Merge pull request 'Rework ACS' (#264) from rework-acs into main

Reviewed-on: #264

.github/workflows/ci.yml

@@ -11,7 +11,12 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
-      - run: cargo check --release
+      - name: Install libudev-dev on Ubuntu
+        if: ${{ matrix.os == 'ubuntu-latest' }}
+        run: sudo apt update && sudo apt install -y libudev-dev
+      - run: cargo check
+      # Check example with static pool configuration
+      - run: cargo check -p satrs-example --no-default-features
 
   test:
     name: Run Tests
@@ -21,8 +26,9 @@ jobs:
       - uses: dtolnay/rust-toolchain@stable
       - name: Install nextest
         uses: taiki-e/install-action@nextest
+      - run: sudo apt update && sudo apt install -y libudev-dev
       - run: cargo nextest run --all-features
-      - run: cargo test --doc
+      - run: cargo test --doc --all-features
 
   cross-check:
     name: Check Cross-Compilation
@@ -37,7 +43,7 @@ jobs:
       - uses: dtolnay/rust-toolchain@stable
         with:
           targets: "armv7-unknown-linux-gnueabihf, thumbv7em-none-eabihf"
-      - run: cargo check -p satrs --release --target=${{matrix.target}} --no-default-features
+      - run: cargo check -p satrs --target=${{matrix.target}} --no-default-features
 
   fmt:
     name: Check formatting
@@ -45,6 +51,8 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
+        with:
+          components: rustfmt
       - run: cargo fmt --all -- --check
 
   docs:
@@ -53,7 +61,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@nightly
-      - run: cargo +nightly doc --all-features --config 'build.rustdocflags=["--cfg", "docs_rs"]'
+      - run: RUSTDOCFLAGS="--cfg docsrs" cargo +nightly doc -p satrs --all-features --no-deps
 
   clippy:
     name: Clippy
@@ -61,4 +69,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: dtolnay/rust-toolchain@stable
+        with:
+          components: clippy
+      - run: sudo apt update && sudo apt install -y libudev-dev
       - run: cargo clippy -- -D warnings

.gitignore

@@ -2,6 +2,7 @@ target/
 
 output.log
 /Cargo.lock
+output.log
 
 output.log
 

Cargo.toml

@@ -4,11 +4,14 @@ members = [
     "satrs",
     "satrs-mib",
     "satrs-example",
-    "satrs-minisim",
+    "satrs-example/models",
+    "satrs-example/client",
+    "satrs-example/minisim",
     "satrs-shared",
+    "embedded-examples/embedded-client",
 ]
 
 exclude = [
-    "satrs-example-stm32f3-disco",
+    "embedded-examples/stm32f3-disco-rtic",
+    "embedded-examples/stm32h7-nucleo-rtic",
 ]
-

README.md

@@ -1,9 +1,10 @@
 <p align="center"> <img src="misc/satrs-logo-v2.png" width="40%"> </p>
 
 [![sat-rs website](https://img.shields.io/badge/sat--rs-website-darkgreen?style=flat)](https://absatsw.irs.uni-stuttgart.de/projects/sat-rs/)
-[![sat-rs book](https://img.shields.io/badge/sat--rs-book-darkgreen?style=flat)](https://absatsw.irs.uni-stuttgart.de/projects/sat-rs/book/)
+[![sat-rs book](https://img.shields.io/badge/sat--rs-book-darkgreen?style=flat)](https://robamu.github.io/sat-rs/book/)
 [![Crates.io](https://img.shields.io/crates/v/satrs)](https://crates.io/crates/satrs)
 [![docs.rs](https://img.shields.io/docsrs/satrs)](https://docs.rs/satrs)
+[![matrix chat](https://img.shields.io/matrix/sat-rs%3Amatrix.org)](https://matrix.to/#/#sat-rs:matrix.org)
 
 sat-rs
 =========
@@ -11,7 +12,7 @@ sat-rs
 This is the repository of the sat-rs library. Its primary goal is to provide re-usable components
 to write on-board software for remote systems like rovers or satellites. It is specifically written
 for the special requirements for these systems. You can find an overview of the project and the
-link to the [more high-level sat-rs book](https://absatsw.irs.uni-stuttgart.de/projects/sat-rs/)
+link to the [more high-level sat-rs book](https://robamu.github.io/sat-rs/book/)
 at the [IRS software projects website](https://absatsw.irs.uni-stuttgart.de/projects/sat-rs/).
 
 This is early-stage software. Important features are missing. New releases
@@ -37,22 +38,47 @@ This project currently contains following crates:
 * [`satrs-example`](https://egit.irs.uni-stuttgart.de/rust/sat-rs/src/branch/main/satrs-example):
    Example of a simple example on-board software using various sat-rs components which can be run
    on a host computer or on any system with a standard runtime like a Raspberry Pi.
+* [`satrs-minisim`](https://egit.irs.uni-stuttgart.de/rust/sat-rs/src/branch/main/satrs-minisim):
+   Mini-Simulator based on [nexosim](https://github.com/asynchronics/nexosim) which
+   simulates some physical devices for the `satrs-example` application device handlers.
 * [`satrs-mib`](https://egit.irs.uni-stuttgart.de/rust/sat-rs/src/branch/main/satrs-mib):
    Components to build a mission information base from the on-board software directly.
-* [`satrs-example-stm32f3-disco`](https://egit.irs.uni-stuttgart.de/rust/sat-rs/src/branch/main/satrs-example-stm32f3-disco):
+* [`satrs-stm32f3-disco-rtic`](https://egit.irs.uni-stuttgart.de/rust/sat-rs/src/branch/main/embedded-examples/stm32f3-disco-rtic):
    Example of a simple example using low-level sat-rs components on a bare-metal system
-   with constrained resources.
+   with constrained resources. This example uses the [RTIC](https://github.com/rtic-rs/rtic)
+   framework on the STM32F3-Discovery device.
+* [`satrs-stm32h-nucleo-rtic`](https://egit.irs.uni-stuttgart.de/rust/sat-rs/src/branch/main/embedded-examples/stm32h7-nucleo-rtic):
+   Example of a simple example using sat-rs components on a bare-metal system
+   with constrained resources. This example uses the [RTIC](https://github.com/rtic-rs/rtic)
+   framework on the STM32H743ZIT device.
 
 Each project has its own `CHANGELOG.md`.
 
 # Related projects
- 
+
  In addition to the crates in this repository, the sat-rs project also maintains other libraries.
 
  * [`spacepackets`](https://egit.irs.uni-stuttgart.de/rust/spacepackets): Basic ECSS and CCSDS
    packet protocol implementations. This repository is re-exported in the
    [`satrs`](https://egit.irs.uni-stuttgart.de/rust/satrs/src/branch/main/satrs)
    crate.
+ * [`cfdp`](https://egit.irs.uni-stuttgart.de/rust/cfdp): CCSDS File Delivery Protocol
+   (CFDP) high-level library components.
+
+# Flight Heritage
+
+There is an active and continuous effort to get early flight heritage for the sat-rs library.
+Currently this library has the following flight heritage:
+
+- Submission as an [OPS-SAT experiment](https://www.esa.int/Enabling_Support/Operations/OPS-SAT)
+  which has also
+  [flown on the satellite](https://blogs.esa.int/rocketscience/2024/05/21/ops-sat-reentry-tomorrow-final-experiments-continue/).
+  The application is strongly based on the sat-rs example application. You can find the repository
+  of the experiment [here](https://egit.irs.uni-stuttgart.de/rust/ops-sat-rs).
+- Development and use of a sat-rs-based [demonstration on-board software](https://egit.irs.uni-stuttgart.de/rust/eurosim-obsw)
+  alongside a Flight System Simulator in the context of a
+  [Bachelors Thesis](https://www.researchgate.net/publication/380785984_Design_and_Development_of_a_Hardware-in-the-Loop_EuroSim_Demonstrator)
+  at [Airbus Netherlands](https://www.airbusdefenceandspacenetherlands.nl/).
 
 # Coverage
 
@@ -64,5 +90,5 @@ rustup component add llvm-tools-preview
 cargo install grcov --locked
 ```
 
-After that, you can simply run `coverage.py` to test the `satrs-core` crate with coverage. You can
+After that, you can simply run `coverage.py` to test the `satrs` crate with coverage. You can
 optionally supply the `--open` flag to open the coverage report in your webbrowser.

automation/Jenkinsfile

@@ -33,7 +33,7 @@ pipeline {
     stage('Test') {
       steps {
         sh 'cargo nextest r --all-features'
-        sh 'cargo test --doc'
+        sh 'cargo test --doc --all-features'
       }
     }
     stage('Check with all features') {

docs.sh

@@ -0,0 +1,3 @@
+#!/bin/sh
+export RUSTDOCFLAGS="--cfg docsrs --generate-link-to-definition -Z unstable-options"
+cargo +nightly doc --all-features --open

embedded-examples/embedded-client/Cargo.toml

@@ -0,0 +1,18 @@
+[package]
+name = "embedded-client"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+clap = { version = "4", features = ["derive"] }
+serialport = "4"
+toml = "0.9"
+serde = { version = "1", features = ["derive"] }
+satrs-stm32f3-disco-rtic = { path = "../stm32f3-disco-rtic" }
+spacepackets = { version = "0.17" }
+tmtc-utils = { git = "https://egit.irs.uni-stuttgart.de/rust/tmtc-utils.git", version = "0.1" }
+postcard = { version = "1", features = ["alloc"] }
+cobs = "0.5"
+fern = "0.7"
+humantime = "2"
+log = "0.4"

embedded-examples/embedded-client/config.toml

@@ -0,0 +1,2 @@
+[interface]
+serial_port = "/dev/ttyUSB0"

embedded-examples/embedded-client/src/main.rs

@@ -0,0 +1,107 @@
+use std::{
+    fs::File,
+    io::Read,
+    path::Path,
+    time::{Duration, SystemTime},
+};
+
+use clap::Parser;
+use cobs::CobsDecoderOwned;
+use satrs_stm32f3_disco_rtic::Request;
+use spacepackets::{CcsdsPacketCreatorOwned, CcsdsPacketReader, SpHeader};
+use tmtc_utils::transport::serial::PacketTransportSerialCobs;
+
+#[derive(Parser, Debug)]
+struct Cli {
+    #[arg(short, long)]
+    ping: bool,
+
+    /// Set frequency in milliseconds.
+    #[arg(short, long)]
+    set_led_frequency: Option<u32>,
+}
+
+#[derive(Debug, serde::Deserialize)]
+struct Config {
+    interface: Interface,
+}
+
+#[derive(Debug, serde::Deserialize)]
+struct Interface {
+    serial_port: String,
+}
+
+fn setup_logger() -> Result<(), fern::InitError> {
+    fern::Dispatch::new()
+        .format(|out, message, record| {
+            out.finish(format_args!(
+                "[{} {} {}] {}",
+                humantime::format_rfc3339_seconds(SystemTime::now()),
+                record.level(),
+                record.target(),
+                message
+            ))
+        })
+        .level(log::LevelFilter::Debug)
+        .chain(std::io::stdout())
+        .chain(fern::log_file("output.log")?)
+        .apply()?;
+    Ok(())
+}
+
+fn main() {
+    setup_logger().expect("failed to initialize logger");
+    println!("sat-rs embedded examples TMTC client");
+
+    let cli = Cli::parse();
+    let mut config_file =
+        File::open(Path::new("config.toml")).expect("opening config.toml file failed");
+    let mut toml_str = String::new();
+    config_file
+        .read_to_string(&mut toml_str)
+        .expect("reading config.toml file failed");
+    let config: Config = toml::from_str(&toml_str).expect("parsing config.toml file failed");
+    println!("Connecting to serial port {}", config.interface.serial_port);
+
+    let serial = serialport::new(config.interface.serial_port, 115200)
+        .open()
+        .expect("opening serial port failed");
+    let mut transport = PacketTransportSerialCobs::new(serial, CobsDecoderOwned::new(1024));
+
+    if cli.ping {
+        let request = Request::Ping;
+        let tc = create_stm32f3_tc(&request);
+        log::info!(
+            "Sending ping request with TC ID: {:#010x}",
+            tc.ccsds_packet_id_and_psc().raw()
+        );
+        transport.send(&tc.to_vec()).unwrap();
+    }
+
+    if let Some(freq_ms) = cli.set_led_frequency {
+        let request = Request::ChangeBlinkFrequency(Duration::from_millis(freq_ms as u64));
+        let tc = create_stm32f3_tc(&request);
+        log::info!(
+            "Sending change blink frequency request {:?} with TC ID: {:#010x}",
+            request,
+            tc.ccsds_packet_id_and_psc().raw()
+        );
+        transport.send(&tc.to_vec()).unwrap();
+    }
+
+    log::info!("Waiting for response...");
+    loop {
+        transport
+            .receive(|packet: &[u8]| {
+                let reader = CcsdsPacketReader::new_with_checksum(packet);
+                log::info!("Received packet: {:?}", reader);
+            })
+            .unwrap();
+    }
+}
+
+fn create_stm32f3_tc(request: &Request) -> CcsdsPacketCreatorOwned {
+    let req_raw = postcard::to_allocvec(&request).unwrap();
+    let sp_header = SpHeader::new_from_apid(satrs_stm32f3_disco_rtic::APID);
+    CcsdsPacketCreatorOwned::new_tc_with_checksum(sp_header, &req_raw).unwrap()
+}

embedded-examples/stm32f3-disco-rtic/.cargo/config.toml.template

@@ -34,4 +34,4 @@ rustflags = [
 target = "thumbv7em-none-eabihf" # Cortex-M4F and Cortex-M7F (with FPU)
 
 [env]
-DEFMT_LOG = "info"
+DEFMT_LOG = "info"

embedded-examples/stm32f3-disco-rtic/.gitignore

@@ -0,0 +1,4 @@
+/target
+/itm.txt
+/.cargo/config.toml
+/.vscode

embedded-examples/stm32f3-disco-rtic/Cargo.toml

@@ -0,0 +1,62 @@
+[package]
+name = "satrs-stm32f3-disco-rtic"
+version = "0.1.0"
+edition = "2021"
+default-run = "satrs-stm32f3-disco-rtic"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+cortex-m = { version = "0.7", features = ["critical-section-single-core"] }
+cortex-m-rt = "0.7"
+defmt = "1"
+defmt-rtt = { version = "1" }
+panic-probe = { version = "1", features = ["print-defmt"] }
+embedded-hal = "1"
+cortex-m-semihosting = "0.5.0"
+embassy-stm32 = { version = "0.4", features = ["defmt", "stm32f303vc", "unstable-pac"] }
+enumset = "1"
+heapless = "0.9"
+spacepackets = { version = "0.17", default-features = false, features = ["defmt", "serde"] }
+static_cell = "2"
+cobs = { version = "0.5", default-features = false, features = ["defmt"] }
+postcard = { version = "1" }
+arbitrary-int = "2"
+thiserror = { version = "2", default-features = false }
+serde = { version = "1", default-features = false, features = ["derive"] }
+
+rtic = { version = "2", features = ["thumbv7-backend"] }
+rtic-sync = { version = "1" }
+rtic-monotonics = { version = "2", features = ["cortex-m-systick"] }
+
+[dev-dependencies]
+defmt-test = "0.4"
+
+# cargo test
+[profile.test]
+codegen-units = 1
+debug = 2
+debug-assertions = true # <-
+incremental = false
+opt-level = "s" # <-
+overflow-checks = true # <-
+
+# cargo build/run --release
+[profile.release]
+codegen-units = 1
+debug = 2
+debug-assertions = false # <-
+incremental = false
+lto = 'fat'
+opt-level = "s" # <-
+overflow-checks = false # <-
+
+# cargo test --release
+[profile.bench]
+codegen-units = 1
+debug = 2
+debug-assertions = false # <-
+incremental = false
+lto = 'fat'
+opt-level = "s" # <-
+overflow-checks = false # <-

embedded-examples/stm32f3-disco-rtic/README.md

@@ -1,10 +1,10 @@
 sat-rs example for the STM32F3-Discovery board
 =======
 
-This example application shows how the [sat-rs framework](https://egit.irs.uni-stuttgart.de/rust/satrs-launchpad)
+This example application shows how the [sat-rs library](https://egit.irs.uni-stuttgart.de/rust/sat-rs)
 can be used on an embedded target.
 It also shows how a relatively simple OBSW could be built when no standard runtime is available.
-It uses [RTIC](https://rtic.rs/1/book/en/) as the concurrency framework and the
+It uses [RTIC](https://rtic.rs/2/book/en/) as the concurrency framework and the
 [defmt](https://defmt.ferrous-systems.com/) framework for logging.
 
 The STM32F3-Discovery device was picked because it is a cheap Cortex-M4 based device which is also

embedded-examples/stm32f3-disco-rtic/src/bin/blinky.rs

@@ -0,0 +1,61 @@
+#![no_main]
+#![no_std]
+
+use panic_probe as _;
+use rtic::app;
+
+#[app(device = embassy_stm32)]
+mod app {
+    use rtic_monotonics::fugit::ExtU32;
+    use rtic_monotonics::Monotonic as _;
+    use satrs_stm32f3_disco_rtic::{Direction, LedPinSet, Leds};
+
+    rtic_monotonics::systick_monotonic!(Mono, 1000);
+
+    #[shared]
+    struct Shared {}
+
+    #[local]
+    struct Local {
+        leds: Leds,
+        current_dir: Direction,
+    }
+
+    #[init]
+    fn init(cx: init::Context) -> (Shared, Local) {
+        let p = embassy_stm32::init(Default::default());
+
+        defmt::info!("Starting sat-rs demo application for the STM32F3-Discovery using RTICv2");
+
+        let led_pin_set = LedPinSet {
+            pin_n: p.PE8,
+            pin_ne: p.PE9,
+            pin_e: p.PE10,
+            pin_se: p.PE11,
+            pin_s: p.PE12,
+            pin_sw: p.PE13,
+            pin_w: p.PE14,
+            pin_nw: p.PE15,
+        };
+        let leds = Leds::new(led_pin_set);
+
+        // Initialize the systick interrupt & obtain the token to prove that we did
+        Mono::start(cx.core.SYST, 8_000_000);
+        blinky::spawn().expect("failed to spawn blinky task");
+        (
+            Shared {},
+            Local {
+                leds,
+                current_dir: Direction::North,
+            },
+        )
+    }
+
+    #[task(local = [leds, current_dir])]
+    async fn blinky(cx: blinky::Context) {
+        loop {
+            cx.local.leds.blink_next(cx.local.current_dir);
+            Mono::delay(200.millis()).await;
+        }
+    }
+}

embedded-examples/stm32f3-disco-rtic/src/lib.rs

@@ -0,0 +1,190 @@
+#![no_main]
+#![no_std]
+
+use arbitrary_int::u11;
+use core::time::Duration;
+use embassy_stm32::gpio::Output;
+use spacepackets::{
+    ccsds_packet_len_for_user_data_len_with_checksum, CcsdsPacketCreationError,
+    CcsdsPacketCreatorWithReservedData, CcsdsPacketIdAndPsc, SpacePacketHeader,
+};
+
+pub const APID: u11 = u11::new(0x02);
+
+#[derive(defmt::Format, serde::Serialize, serde::Deserialize, PartialEq, Eq, Clone, Copy)]
+pub enum Direction {
+    North,
+    NorthEast,
+    East,
+    SouthEast,
+    South,
+    SouthWest,
+    West,
+    NorthWest,
+}
+
+impl Direction {
+    pub fn switch_to_next(&mut self) -> (Self, Self) {
+        let curr = *self;
+        *self = match self {
+            Direction::North => Direction::NorthEast,
+            Direction::NorthEast => Direction::East,
+            Direction::East => Direction::SouthEast,
+            Direction::SouthEast => Direction::South,
+            Direction::South => Direction::SouthWest,
+            Direction::SouthWest => Direction::West,
+            Direction::West => Direction::NorthWest,
+            Direction::NorthWest => Direction::North,
+        };
+        (curr, *self)
+    }
+}
+
+#[derive(Copy, Clone, Debug, defmt::Format, serde::Serialize, serde::Deserialize)]
+pub enum Request {
+    Ping,
+    ChangeBlinkFrequency(Duration),
+}
+
+#[derive(Debug, defmt::Format, serde::Serialize, serde::Deserialize)]
+pub struct TmHeader {
+    pub tc_packet_id: Option<CcsdsPacketIdAndPsc>,
+    pub uptime_millis: u32,
+}
+
+#[derive(Debug, defmt::Format, serde::Serialize, serde::Deserialize)]
+pub enum Response {
+    CommandDone,
+}
+
+pub fn tm_size(tm_header: &TmHeader, response: &Response) -> usize {
+    ccsds_packet_len_for_user_data_len_with_checksum(
+        postcard::experimental::serialized_size(tm_header).unwrap()
+            + postcard::experimental::serialized_size(response).unwrap(),
+    )
+    .unwrap()
+}
+
+pub fn create_tm_packet(
+    buf: &mut [u8],
+    sp_header: SpacePacketHeader,
+    tm_header: TmHeader,
+    response: Response,
+) -> Result<usize, CcsdsPacketCreationError> {
+    let packet_data_size = postcard::experimental::serialized_size(&tm_header).unwrap()
+        + postcard::experimental::serialized_size(&response).unwrap();
+    let mut creator =
+        CcsdsPacketCreatorWithReservedData::new_tm_with_checksum(sp_header, packet_data_size, buf)?;
+
+    let current_index = postcard::to_slice(&tm_header, creator.packet_data_mut())
+        .unwrap()
+        .len();
+    postcard::to_slice(&response, &mut creator.packet_data_mut()[current_index..]).unwrap();
+    Ok(creator.finish())
+}
+
+pub struct Leds {
+    pub north: Output<'static>,
+    pub north_east: Output<'static>,
+    pub east: Output<'static>,
+    pub south_east: Output<'static>,
+    pub south: Output<'static>,
+    pub south_west: Output<'static>,
+    pub west: Output<'static>,
+    pub north_west: Output<'static>,
+}
+
+impl Leds {
+    pub fn blink_next(&mut self, current_dir: &mut Direction) {
+        let (prev, curr) = current_dir.switch_to_next();
+        self.set_dir_low(prev);
+        self.set_dir_high(curr);
+    }
+
+    pub fn set_dir(&mut self, dir: Direction, level: embassy_stm32::gpio::Level) {
+        match dir {
+            Direction::North => self.north.set_level(level),
+            Direction::NorthEast => self.north_east.set_level(level),
+            Direction::East => self.east.set_level(level),
+            Direction::SouthEast => self.south_east.set_level(level),
+            Direction::South => self.south.set_level(level),
+            Direction::SouthWest => self.south_west.set_level(level),
+            Direction::West => self.west.set_level(level),
+            Direction::NorthWest => self.north_west.set_level(level),
+        }
+    }
+
+    pub fn set_dir_low(&mut self, dir: Direction) {
+        self.set_dir(dir, embassy_stm32::gpio::Level::Low);
+    }
+
+    pub fn set_dir_high(&mut self, dir: Direction) {
+        self.set_dir(dir, embassy_stm32::gpio::Level::High);
+    }
+}
+
+pub struct LedPinSet {
+    pub pin_n: embassy_stm32::Peri<'static, embassy_stm32::peripherals::PE8>,
+    pub pin_ne: embassy_stm32::Peri<'static, embassy_stm32::peripherals::PE9>,
+    pub pin_e: embassy_stm32::Peri<'static, embassy_stm32::peripherals::PE10>,
+    pub pin_se: embassy_stm32::Peri<'static, embassy_stm32::peripherals::PE11>,
+    pub pin_s: embassy_stm32::Peri<'static, embassy_stm32::peripherals::PE12>,
+    pub pin_sw: embassy_stm32::Peri<'static, embassy_stm32::peripherals::PE13>,
+    pub pin_w: embassy_stm32::Peri<'static, embassy_stm32::peripherals::PE14>,
+    pub pin_nw: embassy_stm32::Peri<'static, embassy_stm32::peripherals::PE15>,
+}
+
+impl Leds {
+    pub fn new(pin_set: LedPinSet) -> Self {
+        let led_n = Output::new(
+            pin_set.pin_n,
+            embassy_stm32::gpio::Level::Low,
+            embassy_stm32::gpio::Speed::Medium,
+        );
+        let led_ne = Output::new(
+            pin_set.pin_ne,
+            embassy_stm32::gpio::Level::Low,
+            embassy_stm32::gpio::Speed::Medium,
+        );
+        let led_e = Output::new(
+            pin_set.pin_e,
+            embassy_stm32::gpio::Level::Low,
+            embassy_stm32::gpio::Speed::Medium,
+        );
+        let led_se = Output::new(
+            pin_set.pin_se,
+            embassy_stm32::gpio::Level::Low,
+            embassy_stm32::gpio::Speed::Medium,
+        );
+        let led_s = Output::new(
+            pin_set.pin_s,
+            embassy_stm32::gpio::Level::Low,
+            embassy_stm32::gpio::Speed::Medium,
+        );
+        let led_sw = Output::new(
+            pin_set.pin_sw,
+            embassy_stm32::gpio::Level::Low,
+            embassy_stm32::gpio::Speed::Medium,
+        );
+        let led_w = Output::new(
+            pin_set.pin_w,
+            embassy_stm32::gpio::Level::Low,
+            embassy_stm32::gpio::Speed::Medium,
+        );
+        let led_nw = Output::new(
+            pin_set.pin_nw,
+            embassy_stm32::gpio::Level::Low,
+            embassy_stm32::gpio::Speed::Medium,
+        );
+        Self {
+            north: led_n,
+            north_east: led_ne,
+            east: led_e,
+            south_east: led_se,
+            south: led_s,
+            south_west: led_sw,
+            west: led_w,
+            north_west: led_nw,
+        }
+    }
+}

embedded-examples/stm32f3-disco-rtic/src/main.rs

@@ -0,0 +1,349 @@
+#![no_std]
+#![no_main]
+use arbitrary_int::{u11, u14};
+use cortex_m_semihosting::debug::{self, EXIT_FAILURE, EXIT_SUCCESS};
+use satrs_stm32f3_disco_rtic::{create_tm_packet, tm_size, CcsdsPacketId, Request, Response};
+use spacepackets::{CcsdsPacketCreationError, SpHeader};
+
+use defmt_rtt as _; // global logger
+
+use panic_probe as _;
+
+use rtic::app;
+
+#[allow(unused_imports)]
+use rtic_monotonics::fugit::{MillisDurationU32, TimerInstantU32};
+use rtic_monotonics::systick::prelude::*;
+
+use crate::app::Mono;
+
+const UART_BAUD: u32 = 115200;
+const DEFAULT_BLINK_FREQ_MS: u32 = 1000;
+const TX_HANDLER_FREQ_MS: u32 = 20;
+const MAX_TC_LEN: usize = 128;
+const MAX_TM_LEN: usize = 128;
+
+pub const PUS_APID: u11 = u11::new(0x02);
+
+// This is the predictable maximum overhead of the COBS encoding scheme.
+// It is simply the maximum packet lenght dividied by 254 rounded up.
+const COBS_TM_OVERHEAD: usize = cobs::max_encoding_overhead(MAX_TM_LEN);
+
+const TM_BUF_LEN: usize = MAX_TC_LEN + COBS_TM_OVERHEAD;
+
+const TC_DMA_BUF_LEN: usize = 512;
+
+type TmPacket = heapless::Vec<u8, MAX_TM_LEN>;
+
+static TM_QUEUE: heapless::mpmc::Queue<TmPacket, 16> = heapless::mpmc::Queue::new();
+
+#[derive(Debug, defmt::Format, thiserror::Error)]
+pub enum TmSendError {
+    #[error("packet creation error: {0}")]
+    PacketCreation(#[from] CcsdsPacketCreationError),
+    #[error("queue error")]
+    Queue,
+}
+
+#[derive(Debug, defmt::Format)]
+pub struct RequestWithTcId {
+    pub request: Request,
+    pub tc_id: CcsdsPacketId,
+}
+
+#[app(device = embassy_stm32)]
+mod app {
+    use core::time::Duration;
+
+    use super::*;
+    use arbitrary_int::u14;
+    use rtic::Mutex;
+    use rtic_sync::{
+        channel::{Receiver, Sender},
+        make_channel,
+    };
+    use satrs_stm32f3_disco_rtic::{CcsdsPacketId, LedPinSet, Request, Response};
+    use spacepackets::CcsdsPacketReader;
+
+    systick_monotonic!(Mono, 1000);
+
+    embassy_stm32::bind_interrupts!(struct Irqs {
+        USART2 => embassy_stm32::usart::InterruptHandler<embassy_stm32::peripherals::USART2>;
+    });
+
+    #[shared]
+    struct Shared {
+        blink_freq: Duration,
+    }
+
+    #[local]
+    struct Local {
+        leds: satrs_stm32f3_disco_rtic::Leds,
+        current_dir: satrs_stm32f3_disco_rtic::Direction,
+        seq_count: u14,
+        tx: embassy_stm32::usart::UartTx<'static, embassy_stm32::mode::Async>,
+        rx: embassy_stm32::usart::RingBufferedUartRx<'static>,
+    }
+
+    #[init]
+    fn init(cx: init::Context) -> (Shared, Local) {
+        static DMA_BUF: static_cell::ConstStaticCell<[u8; TC_DMA_BUF_LEN]> =
+            static_cell::ConstStaticCell::new([0; TC_DMA_BUF_LEN]);
+
+        let p = embassy_stm32::init(Default::default());
+
+        let (req_sender, req_receiver) = make_channel!(RequestWithTcId, 16);
+        // Initialize the systick interrupt & obtain the token to prove that we did
+        Mono::start(cx.core.SYST, 8_000_000);
+
+        defmt::info!("sat-rs demo application for the STM32F3-Discovery with RTICv2");
+        let led_pin_set = LedPinSet {
+            pin_n: p.PE8,
+            pin_ne: p.PE9,
+            pin_e: p.PE10,
+            pin_se: p.PE11,
+            pin_s: p.PE12,
+            pin_sw: p.PE13,
+            pin_w: p.PE14,
+            pin_nw: p.PE15,
+        };
+        let leds = satrs_stm32f3_disco_rtic::Leds::new(led_pin_set);
+
+        let mut config = embassy_stm32::usart::Config::default();
+        config.baudrate = UART_BAUD;
+        let uart = embassy_stm32::usart::Uart::new(
+            p.USART2, p.PA3, p.PA2, Irqs, p.DMA1_CH7, p.DMA1_CH6, config,
+        )
+        .unwrap();
+
+        let (tx, rx) = uart.split();
+        defmt::info!("Spawning tasks");
+        blinky::spawn().unwrap();
+        serial_tx_handler::spawn().unwrap();
+        serial_rx_handler::spawn(req_sender).unwrap();
+        req_handler::spawn(req_receiver).unwrap();
+
+        (
+            Shared {
+                blink_freq: Duration::from_millis(DEFAULT_BLINK_FREQ_MS as u64),
+            },
+            Local {
+                leds,
+                tx,
+                seq_count: u14::new(0),
+                rx: rx.into_ring_buffered(DMA_BUF.take()),
+                current_dir: satrs_stm32f3_disco_rtic::Direction::North,
+            },
+        )
+    }
+
+    #[task(local = [leds, current_dir], shared=[blink_freq])]
+    async fn blinky(mut cx: blinky::Context) {
+        loop {
+            cx.local.leds.blink_next(cx.local.current_dir);
+            let current_blink_freq = cx.shared.blink_freq.lock(|current| *current);
+            Mono::delay(MillisDurationU32::from_ticks(
+                current_blink_freq.as_millis() as u32,
+            ))
+            .await;
+        }
+    }
+
+    #[task(
+        local = [
+            tx,
+            encoded_buf: [u8; TM_BUF_LEN] = [0; TM_BUF_LEN]
+        ],
+        shared = [],
+    )]
+    async fn serial_tx_handler(cx: serial_tx_handler::Context) {
+        loop {
+            while let Some(vec) = TM_QUEUE.dequeue() {
+                let encoded_len =
+                    cobs::encode_including_sentinels(&vec[0..vec.len()], cx.local.encoded_buf);
+                defmt::debug!("sending {} bytes over UART", encoded_len);
+                cx.local
+                    .tx
+                    .write(&cx.local.encoded_buf[0..encoded_len])
+                    .await
+                    .unwrap();
+                continue;
+            }
+            Mono::delay(TX_HANDLER_FREQ_MS.millis()).await;
+        }
+    }
+
+    #[task(
+        local = [
+            rx,
+            read_buf: [u8; 128] = [0; 128],
+            decode_buf: [u8; MAX_TC_LEN] = [0; MAX_TC_LEN],
+        ],
+        shared = [blink_freq]
+    )]
+    async fn serial_rx_handler(
+        cx: serial_rx_handler::Context,
+        mut sender: Sender<'static, RequestWithTcId, 16>,
+    ) {
+        let mut decoder = cobs::CobsDecoder::new(cx.local.decode_buf);
+        loop {
+            match cx.local.rx.read(cx.local.read_buf).await {
+                Ok(bytes) => {
+                    defmt::debug!("received {} bytes over UART", bytes);
+                    for byte in cx.local.read_buf[0..bytes].iter() {
+                        match decoder.feed(*byte) {
+                            Ok(None) => (),
+                            Ok(Some(packet_size)) => {
+                                match CcsdsPacketReader::new_with_checksum(
+                                    &decoder.dest()[0..packet_size],
+                                ) {
+                                    Ok(packet) => {
+                                        let packet_id = packet.packet_id();
+                                        let psc = packet.psc();
+                                        let tc_packet_id = CcsdsPacketId { packet_id, psc };
+                                        if let Ok(request) =
+                                            postcard::from_bytes::<Request>(packet.packet_data())
+                                        {
+                                            sender
+                                                .send(RequestWithTcId {
+                                                    request,
+                                                    tc_id: tc_packet_id,
+                                                })
+                                                .await
+                                                .unwrap();
+                                        }
+                                    }
+                                    Err(e) => {
+                                        defmt::error!("error unpacking ccsds packet: {}", e);
+                                    }
+                                }
+                            }
+                            Err(e) => {
+                                defmt::error!("cobs decoding error: {}", e);
+                            }
+                        }
+                    }
+                }
+                Err(e) => {
+                    defmt::error!("uart read error: {}", e);
+                }
+            }
+        }
+    }
+
+    #[task(shared = [blink_freq], local = [seq_count])]
+    async fn req_handler(
+        mut cx: req_handler::Context,
+        mut receiver: Receiver<'static, RequestWithTcId, 16>,
+    ) {
+        loop {
+            match receiver.recv().await {
+                Ok(request_with_tc_id) => {
+                    let tm_send_result = match request_with_tc_id.request {
+                        Request::Ping => handle_ping_request(&mut cx, request_with_tc_id.tc_id),
+                        Request::ChangeBlinkFrequency(duration) => {
+                            handle_change_blink_frequency_request(
+                                &mut cx,
+                                request_with_tc_id.tc_id,
+                                duration,
+                            )
+                        }
+                    };
+                    if let Err(e) = tm_send_result {
+                        defmt::error!("error sending TM response: {}", e);
+                    }
+                }
+                Err(_e) => defmt::error!("request receive error"),
+            }
+        }
+    }
+
+    fn handle_ping_request(
+        cx: &mut req_handler::Context,
+        tc_packet_id: CcsdsPacketId,
+    ) -> Result<(), TmSendError> {
+        defmt::info!("Received PUS ping telecommand, sending ping reply");
+        send_tm(tc_packet_id, Response::CommandDone, *cx.local.seq_count)?;
+        *cx.local.seq_count = cx.local.seq_count.wrapping_add(u14::new(1));
+        Ok(())
+    }
+
+    fn handle_change_blink_frequency_request(
+        cx: &mut req_handler::Context,
+        tc_packet_id: CcsdsPacketId,
+        duration: Duration,
+    ) -> Result<(), TmSendError> {
+        defmt::info!(
+            "Received ChangeBlinkFrequency request, new frequency: {} ms",
+            duration.as_millis()
+        );
+        cx.shared
+            .blink_freq
+            .lock(|blink_freq| *blink_freq = duration);
+        send_tm(tc_packet_id, Response::CommandDone, *cx.local.seq_count)?;
+        *cx.local.seq_count = cx.local.seq_count.wrapping_add(u14::new(1));
+        Ok(())
+    }
+}
+
+fn send_tm(
+    tc_packet_id: CcsdsPacketId,
+    response: Response,
+    current_seq_count: u14,
+) -> Result<(), TmSendError> {
+    let sp_header = SpHeader::new_for_unseg_tc(PUS_APID, current_seq_count, 0);
+    let tm_header = satrs_stm32f3_disco_rtic::TmHeader {
+        tc_packet_id: Some(tc_packet_id),
+        uptime_millis: Mono::now().duration_since_epoch().to_millis(),
+    };
+    let mut tm_packet = TmPacket::new();
+    let tm_size = tm_size(&tm_header, &response);
+    tm_packet.resize(tm_size, 0).expect("vec resize failed");
+    create_tm_packet(&mut tm_packet, sp_header, tm_header, response)?;
+    if TM_QUEUE.enqueue(tm_packet).is_err() {
+        defmt::warn!("TC queue full");
+        return Err(TmSendError::Queue);
+    }
+    Ok(())
+}
+
+// same panicking *behavior* as `panic-probe` but doesn't print a panic message
+// this prevents the panic message being printed *twice* when `defmt::panic` is invoked
+#[defmt::panic_handler]
+fn panic() -> ! {
+    cortex_m::asm::udf()
+}
+
+/// Terminates the application and makes a semihosting-capable debug tool exit
+/// with status code 0.
+pub fn exit() -> ! {
+    loop {
+        debug::exit(EXIT_SUCCESS);
+    }
+}
+
+/// Hardfault handler.
+///
+/// Terminates the application and makes a semihosting-capable debug tool exit
+/// with an error. This seems better than the default, which is to spin in a
+/// loop.
+#[cortex_m_rt::exception]
+unsafe fn HardFault(_frame: &cortex_m_rt::ExceptionFrame) -> ! {
+    loop {
+        debug::exit(EXIT_FAILURE);
+    }
+}
+
+// defmt-test 0.3.0 has the limitation that this `#[tests]` attribute can only be used
+// once within a crate. the module can be in any file but there can only be at most
+// one `#[tests]` module in this library crate
+#[cfg(test)]
+#[defmt_test::tests]
+mod unit_tests {
+    use defmt::assert;
+
+    #[test]
+    fn it_works() {
+        assert!(true)
+    }
+}

embedded-examples/stm32f3-disco-rtic/vscode/launch.json

@@ -12,11 +12,11 @@
       "chip": "STM32F303VCTx",
       "coreConfigs": [
         {
-          "programBinary": "${workspaceFolder}/target/thumbv7em-none-eabihf/debug/satrs-example-stm32f3-disco",
+          "programBinary": "${workspaceFolder}/target/thumbv7em-none-eabihf/debug/satrs-stm32f3-disco-rtic",
           "rttEnabled": true,
           "svdFile": "STM32F303.svd"
         }
       ]
     }
   ]
-}
+}

embedded-examples/stm32h7-nucleo-rtic/.cargo/def_config.toml

@@ -0,0 +1,29 @@
+[target.'cfg(all(target_arch = "arm", target_os = "none"))']
+runner = "probe-rs run --chip STM32H743ZITx"
+# runner = ["probe-rs", "run", "--chip", "$CHIP", "--log-format", "{L} {s}"]
+
+rustflags = [
+  "-C", "linker=flip-link",
+  "-C", "link-arg=-Tlink.x",
+  "-C", "link-arg=-Tdefmt.x",
+  # This is needed if your flash or ram addresses are not aligned to 0x10000 in memory.x
+  # See https://github.com/rust-embedded/cortex-m-quickstart/pull/95
+  "-C", "link-arg=--nmagic",
+  # Can be useful for debugging.
+  # "-Clink-args=-Map=app.map"
+]
+
+[build]
+# (`thumbv6m-*` is compatible with all ARM Cortex-M chips but using the right
+# target improves performance)
+# target = "thumbv6m-none-eabi"    # Cortex-M0 and Cortex-M0+
+# target = "thumbv7m-none-eabi"    # Cortex-M3
+# target = "thumbv7em-none-eabi"   # Cortex-M4 and Cortex-M7 (no FPU)
+target = "thumbv7em-none-eabihf" # Cortex-M4F and Cortex-M7F (with FPU)
+
+[alias]
+rb = "run --bin"
+rrb = "run --release --bin"
+
+[env]
+DEFMT_LOG = "info"

embedded-examples/stm32h7-nucleo-rtic/.gitignore

@@ -1,4 +1,4 @@
 /target
-/itm.txt
 /.cargo/config*
 /.vscode
+/app.map

embedded-examples/stm32h7-nucleo-rtic/Cargo.toml

@@ -0,0 +1,85 @@
+[package]
+authors = ["Robin Mueller <robin.mueller.m@gmail.com>"]
+name = "satrs-stm32h7-nucleo-rtic"
+edition = "2021"
+version = "0.1.0"
+default-run = "satrs-stm32h7-nucleo-rtic"
+
+[lib]
+harness = false
+
+# needed for each integration test
+[[test]]
+name = "integration"
+harness = false
+
+[dependencies]
+cortex-m = { version = "0.7", features = ["critical-section-single-core"] }
+cortex-m-rt = "0.7"
+defmt = "1"
+defmt-brtt = { version = "0.1", default-features = false, features = ["rtt"] }
+panic-probe = { version = "1", features = ["print-defmt"] }
+cortex-m-semihosting = "0.5.0"
+# TODO: Replace with embassy-hal.
+stm32h7xx-hal = { version="0.16", features= ["stm32h743v", "ethernet"] }
+embedded-alloc = "0.6"
+rtic-sync = { version = "1", features = ["defmt-03"] }
+
+[dependencies.smoltcp]
+version = "0.12"
+default-features = false
+features = ["medium-ethernet", "proto-ipv4", "socket-raw", "socket-dhcpv4", "socket-udp", "defmt"]
+
+[dependencies.rtic]
+version = "2"
+features = ["thumbv7-backend"]
+
+[dependencies.rtic-monotonics]
+version = "2"
+features = ["cortex-m-systick"]
+
+[dependencies.satrs]
+path = "../../satrs"
+default-features = false
+features = ["defmt", "heapless"]
+
+[dev-dependencies]
+defmt-test = "0.4"
+
+# cargo build/run
+[profile.dev]
+codegen-units = 1
+debug = 2
+debug-assertions = true # <-
+incremental = false
+opt-level = 's'         # <-
+overflow-checks = true  # <-
+
+# cargo test
+[profile.test]
+codegen-units = 1
+debug = 2
+debug-assertions = true # <-
+incremental = false
+opt-level = 3           # <-
+overflow-checks = true  # <-
+
+# cargo build/run --release
+[profile.release]
+codegen-units = 1
+debug = 2
+debug-assertions = false # <-
+incremental = false
+lto = 'fat'
+opt-level = 3            # <-
+overflow-checks = false  # <-
+
+# cargo test --release
+[profile.bench]
+codegen-units = 1
+debug = 2
+debug-assertions = false # <-
+incremental = false
+lto = 'fat'
+opt-level = 3            # <-
+overflow-checks = false  # <-

embedded-examples/stm32h7-nucleo-rtic/LICENSE-APACHE

@@ -0,0 +1,201 @@
+                              Apache License
+                        Version 2.0, January 2004
+                     http://www.apache.org/licenses/
+
+TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+1. Definitions.
+
+   "License" shall mean the terms and conditions for use, reproduction,
+   and distribution as defined by Sections 1 through 9 of this document.
+
+   "Licensor" shall mean the copyright owner or entity authorized by
+   the copyright owner that is granting the License.
+
+   "Legal Entity" shall mean the union of the acting entity and all
+   other entities that control, are controlled by, or are under common
+   control with that entity. For the purposes of this definition,
+   "control" means (i) the power, direct or indirect, to cause the
+   direction or management of such entity, whether by contract or
+   otherwise, or (ii) ownership of fifty percent (50%) or more of the
+   outstanding shares, or (iii) beneficial ownership of such entity.
+
+   "You" (or "Your") shall mean an individual or Legal Entity
+   exercising permissions granted by this License.
+
+   "Source" form shall mean the preferred form for making modifications,
+   including but not limited to software source code, documentation
+   source, and configuration files.
+
+   "Object" form shall mean any form resulting from mechanical
+   transformation or translation of a Source form, including but
+   not limited to compiled object code, generated documentation,
+   and conversions to other media types.
+
+   "Work" shall mean the work of authorship, whether in Source or
+   Object form, made available under the License, as indicated by a
+   copyright notice that is included in or attached to the work
+   (an example is provided in the Appendix below).
+
+   "Derivative Works" shall mean any work, whether in Source or Object
+   form, that is based on (or derived from) the Work and for which the
+   editorial revisions, annotations, elaborations, or other modifications
+   represent, as a whole, an original work of authorship. For the purposes
+   of this License, Derivative Works shall not include works that remain
+   separable from, or merely link (or bind by name) to the interfaces of,
+   the Work and Derivative Works thereof.
+
+   "Contribution" shall mean any work of authorship, including
+   the original version of the Work and any modifications or additions
+   to that Work or Derivative Works thereof, that is intentionally
+   submitted to Licensor for inclusion in the Work by the copyright owner
+   or by an individual or Legal Entity authorized to submit on behalf of
+   the copyright owner. For the purposes of this definition, "submitted"
+   means any form of electronic, verbal, or written communication sent
+   to the Licensor or its representatives, including but not limited to
+   communication on electronic mailing lists, source code control systems,
+   and issue tracking systems that are managed by, or on behalf of, the
+   Licensor for the purpose of discussing and improving the Work, but
+   excluding communication that is conspicuously marked or otherwise
+   designated in writing by the copyright owner as "Not a Contribution."
+
+   "Contributor" shall mean Licensor and any individual or Legal Entity
+   on behalf of whom a Contribution has been received by Licensor and
+   subsequently incorporated within the Work.
+
+2. Grant of Copyright License. Subject to the terms and conditions of
+   this License, each Contributor hereby grants to You a perpetual,
+   worldwide, non-exclusive, no-charge, royalty-free, irrevocable
+   copyright license to reproduce, prepare Derivative Works of,
+   publicly display, publicly perform, sublicense, and distribute the
+   Work and such Derivative Works in Source or Object form.
+
+3. Grant of Patent License. Subject to the terms and conditions of
+   this License, each Contributor hereby grants to You a perpetual,
+   worldwide, non-exclusive, no-charge, royalty-free, irrevocable
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embedded-examples/stm32h7-nucleo-rtic/README.md

@@ -0,0 +1,118 @@
+sat-rs example for the STM32H73ZI-Nucleo board
+=======
+
+This example application shows how the [sat-rs library](https://egit.irs.uni-stuttgart.de/rust/sat-rs)
+can be used on an embedded target.
+It also shows how a relatively simple OBSW could be built when no standard runtime is available.
+It uses [RTIC](https://rtic.rs/2/book/en/) as the concurrency framework and the
+[defmt](https://defmt.ferrous-systems.com/) framework for logging.
+
+The STM32H743ZIT device was picked because it is one of the more powerful Cortex-M based devices
+available for STM with which also has a little bit more RAM available and also allows commanding
+via TCP/IP.
+
+## Pre-Requisites
+
+Make sure the following tools are installed:
+
+1. [`probe-rs`](https://probe.rs/): Application used to flash and debug the MCU.
+2. Optional and recommended: [VS Code](https://code.visualstudio.com/) with
+   [probe-rs plugin](https://marketplace.visualstudio.com/items?itemName=probe-rs.probe-rs-debugger)
+   for debugging.
+
+## Preparing Rust and the repository
+
+Building an application requires the `thumbv7em-none-eabihf` cross-compiler toolchain.
+If you have not installed it yet, you can do so with
+
+```sh
+rustup target add thumbv7em-none-eabihf
+```
+
+A default `.cargo` config file is provided for this project, but needs to be copied to have
+the correct name. This is so that the config file can be updated or edited for custom needs
+without being tracked by git.
+
+```sh
+cp def_config.toml config.toml
+```
+
+The configuration file will also set the target so it does not always have to be specified with
+the `--target` argument.
+
+## Building
+
+After that, assuming that you have a `.cargo/config.toml` setting the correct build target,
+you can simply build the application with
+
+```sh
+cargo build
+```
+
+## Flashing from the command line
+
+You can flash the application from the command line using `probe-rs`:
+
+```sh
+probe-rs run --chip STM32H743ZITx
+```
+
+## Debugging with VS Code
+
+The STM32F3-Discovery comes with an on-board ST-Link so all that is required to flash and debug
+the board is a Mini-USB cable. The code in this repository was debugged using [`probe-rs`](https://probe.rs/docs/tools/debuggerA)
+and the VS Code [`probe-rs` plugin](https://marketplace.visualstudio.com/items?itemName=probe-rs.probe-rs-debugger).
+Make sure to install this plugin first.
+
+Sample configuration files are provided inside the `vscode` folder.
+Use `cp vscode .vscode -r` to use them for your project.
+
+Some sample configuration files for VS Code were provided as well. You can simply use `Run` and `Debug`
+to automatically rebuild and flash your application.
+
+The `tasks.json` and `launch.json` files are generic and you can use them immediately by opening
+the folder in VS code or adding it to a workspace.
+
+## Commanding with Python
+
+When the SW is running on the Discovery board, you can command the MCU via a serial interface,
+using COBS encoded PUS packets.
+
+It is recommended to use a virtual environment to do this. To set up one in the command line,
+you can use `python3 -m venv venv` on Unix systems or `py -m venv venv` on Windows systems.
+After doing this, you can check the [venv tutorial](https://docs.python.org/3/tutorial/venv.html)
+on how to activate the environment and then use the following command to install the required
+dependency:
+
+```sh
+pip install -r requirements.txt
+```
+
+The packets are exchanged using a dedicated serial interface. You can use any generic USB-to-UART
+converter device with the TX pin connected to the PA3 pin and the RX pin connected to the PA2 pin.
+
+A default configuration file for the python application is provided and can be used by running
+
+```sh
+cp def_tmtc_conf.json tmtc_conf.json
+```
+
+After that, you can for example send a ping to the MCU using the following command
+
+```sh
+./main.py -p /ping
+```
+
+You can configure the blinky frequency using
+
+```sh
+./main.py -p /change_blink_freq
+```
+
+All these commands will package a PUS telecommand which will be sent to the MCU using the COBS
+format as the packet framing format.
+
+## Resources
+
+- [STM32H743ZI Ethernet link checker example](https://github.com/stm32-rs/stm32h7xx-hal/blob/master/examples/ethernet-nucleo-h743zi2.rs)
+- [smoltcp DHCP client](https://github.com/smoltcp-rs/smoltcp/blob/main/examples/dhcp_client.rs)

embedded-examples/stm32h7-nucleo-rtic/memory.x

@@ -0,0 +1,119 @@
+/* Taken from https://github.com/stm32-rs/stm32h7xx-hal/pull/299, adapted slightly to work with */
+/* flip-link */
+MEMORY
+{
+  /* This file is intended for parts in the STM32H743/743v/753/753v families (RM0433), */
+  /* with the exception of the STM32H742/742v parts which have a different RAM layout. */
+  /* - FLASH and RAM are mandatory memory sections.                                    */
+  /* - The sum of all non-FLASH sections must add to 1060K total device RAM.           */
+  /* - The FLASH section size must match your device, see table below.                 */
+
+  /* FLASH */
+  /* Flash is divided in two independent banks (except 750xB). */
+  /* Select the appropriate FLASH size for your device.        */
+  /* - STM32H750xB                          128K (only FLASH1) */
+  /* - STM32H750xB                            1M (512K + 512K) */
+  /* - STM32H743xI/753xI                      2M (  1M +   1M) */
+  FLASH1 : ORIGIN = 0x08000000, LENGTH = 1M
+  FLASH2  : ORIGIN = 0x08100000, LENGTH = 1M
+
+  /* Data TCM  */
+  /* - Two contiguous 64KB RAMs.                                     */
+  /* - Used for interrupt handlers, stacks and general RAM.          */
+  /* - Zero wait-states.                                             */
+  /* - The DTCM is taken as the origin of the base ram. (See below.) */
+  /*   This is also where the interrupt table and such will live,    */
+  /*   which is required for deterministic performance.              */
+  /* Need a region called RAM */
+  /* DTCM : ORIGIN = 0x20000000, LENGTH = 128K */
+  RAM : ORIGIN = 0x20000000, LENGTH = 128K
+
+  /* Instruction TCM */
+  /* - Used for latency-critical interrupt handlers etc. */
+  /* - Zero wait-states.                                 */
+  ITCM    : ORIGIN = 0x00000000, LENGTH = 64K
+
+  /* AXI SRAM */
+  /* - AXISRAM is in D1 and accessible by all system masters except BDMA. */
+  /* - Suitable for application data not stored in DTCM.                  */
+  /* - Zero wait-states.                                                  */
+  AXISRAM : ORIGIN = 0x24000000, LENGTH = 512K
+
+  /* AHB SRAM */
+  /* - SRAM1-3 are in D2 and accessible by all system masters except BDMA.   */
+  /*   Suitable for use as DMA buffers.                                      */
+  /* - SRAM4 is in D3 and additionally accessible by the BDMA. Used for BDMA */
+  /*   buffers, for storing application data in lower-power modes.           */
+  /* - Zero wait-states.                                                     */
+  SRAM1   : ORIGIN = 0x30000000, LENGTH = 128K
+  SRAM2   : ORIGIN = 0x30020000, LENGTH = 128K
+  SRAM3   : ORIGIN = 0x30040000, LENGTH = 32K
+  SRAM4   : ORIGIN = 0x38000000, LENGTH = 64K
+
+  /* Backup SRAM */
+  BSRAM   : ORIGIN = 0x38800000, LENGTH = 4K
+}
+
+/*
+/* Assign the memory regions defined above for use. */
+/*
+
+/* Provide the mandatory FLASH and RAM definitions for cortex-m-rt's linker script. */
+/* These do not work with flip-link */
+REGION_ALIAS(FLASH, FLASH1);
+/* REGION_ALIAS(RAM,   DTCM); */
+
+/* The location of the stack can be overridden using the `_stack_start` symbol. */
+/* - Set the stack location at the end of RAM, using all remaining space.       */
+_stack_start = ORIGIN(RAM) + LENGTH(RAM);
+
+/* The location of the .text section can be overridden using the  */
+/* `_stext` symbol. By default it will place after .vector_table. */
+/* _stext = ORIGIN(FLASH) + 0x40c; */
+
+/* Define sections for placing symbols into the extra memory regions above.   */
+/* This makes them accessible from code.                                      */
+/* - ITCM, DTCM and AXISRAM connect to a 64-bit wide bus -> align to 8 bytes. */
+/* - All other memories     connect to a 32-bit wide bus -> align to 4 bytes. */
+SECTIONS {
+  .flash2 (NOLOAD) : ALIGN(4) {
+    *(.flash2 .flash2.*);
+    . = ALIGN(4);
+    } > FLASH2
+
+  .itcm (NOLOAD) : ALIGN(8) {
+    *(.itcm .itcm.*);
+    . = ALIGN(8);
+    } > ITCM
+
+  .axisram (NOLOAD) : ALIGN(8) {
+    *(.axisram .axisram.*);
+    . = ALIGN(8);
+    } > AXISRAM
+
+  .sram1 (NOLOAD) : ALIGN(8) {
+    *(.sram1 .sram1.*);
+    . = ALIGN(4);
+    } > SRAM1
+
+  .sram2 (NOLOAD) : ALIGN(8) {
+    *(.sram2 .sram2.*);
+    . = ALIGN(4);
+    } > SRAM2
+
+  .sram3 (NOLOAD) : ALIGN(4) {
+    *(.sram3 .sram3.*);
+    . = ALIGN(4);
+    } > SRAM3
+
+  .sram4 (NOLOAD) : ALIGN(4) {
+    *(.sram4 .sram4.*);
+    . = ALIGN(4);
+    } > SRAM4
+
+  .bsram (NOLOAD) : ALIGN(4) {
+    *(.bsram .bsram.*);
+    . = ALIGN(4);
+    } > BSRAM
+
+};

embedded-examples/stm32h7-nucleo-rtic/pyclient/def_tmtc_conf.json

@@ -0,0 +1,4 @@
+{
+    "com_if": "udp",
+    "tcpip_udp_port": 7301
+}

embedded-examples/stm32h7-nucleo-rtic/pyclient/main.py

@@ -9,7 +9,7 @@ from prompt_toolkit.history import FileHistory, History
 from spacepackets.ecss.tm import CdsShortTimestamp
 
 import tmtccmd
-from spacepackets.ecss import PusTelemetry, PusTelecommand, PusVerificator
+from spacepackets.ecss import PusTelemetry, PusTelecommand, PusTm, PusVerificator
 from spacepackets.ecss.pus_17_test import Service17Tm
 from spacepackets.ecss.pus_1_verification import UnpackParams, Service1Tm
 
@@ -43,7 +43,7 @@ from tmtccmd.tmtc import (
     DefaultPusQueueHelper,
 )
 from tmtccmd.pus.s5_fsfw_event import Service5Tm
-from tmtccmd.util import FileSeqCountProvider, PusFileSeqCountProvider
+from spacepackets.seqcount import FileSeqCountProvider, PusFileSeqCountProvider
 from tmtccmd.util.obj_id import ObjectIdDictT
 
 _LOGGER = logging.getLogger()
@@ -53,7 +53,7 @@ EXAMPLE_PUS_APID = 0x02
 
 class SatRsConfigHook(HookBase):
     def __init__(self, json_cfg_path: str):
-        super().__init__(json_cfg_path=json_cfg_path)
+        super().__init__(json_cfg_path)
 
     def get_communication_interface(self, com_if_key: str) -> Optional[ComInterface]:
         from tmtccmd.config.com import (
@@ -111,9 +111,10 @@ class PusHandler(SpecificApidHandlerBase):
         self.verif_wrapper = verif_wrapper
 
     def handle_tm(self, packet: bytes, _user_args: Any):
-        time_reader = CdsShortTimestamp.empty()
         try:
-            pus_tm = PusTelemetry.unpack(packet, time_reader=CdsShortTimestamp.empty())
+            pus_tm = PusTm.unpack(
+                packet, timestamp_len=CdsShortTimestamp.TIMESTAMP_SIZE
+            )
         except ValueError as e:
             _LOGGER.warning("Could not generate PUS TM object from raw data")
             _LOGGER.warning(f"Raw Packet: [{packet.hex(sep=',')}], REPR: {packet!r}")
@@ -122,7 +123,7 @@ class PusHandler(SpecificApidHandlerBase):
         tm_packet = None
         if service == 1:
             tm_packet = Service1Tm.unpack(
-                data=packet, params=UnpackParams(time_reader, 1, 2)
+                data=packet, params=UnpackParams(CdsShortTimestamp.TIMESTAMP_SIZE, 1, 2)
             )
             res = self.verif_wrapper.add_tm(tm_packet)
             if res is None:
@@ -139,16 +140,16 @@ class PusHandler(SpecificApidHandlerBase):
         if service == 3:
             _LOGGER.info("No handling for HK packets implemented")
             _LOGGER.info(f"Raw packet: 0x[{packet.hex(sep=',')}]")
-            pus_tm = PusTelemetry.unpack(packet, CdsShortTimestamp.empty())
+            pus_tm = PusTelemetry.unpack(packet, CdsShortTimestamp.TIMESTAMP_SIZE)
             if pus_tm.subservice == 25:
                 if len(pus_tm.source_data) < 8:
                     raise ValueError("No addressable ID in HK packet")
                 json_str = pus_tm.source_data[8:]
                 _LOGGER.info("received JSON string: " + json_str.decode("utf-8"))
         if service == 5:
-            tm_packet = Service5Tm.unpack(packet, time_reader)
+            tm_packet = Service5Tm.unpack(packet, CdsShortTimestamp.TIMESTAMP_SIZE)
         if service == 17:
-            tm_packet = Service17Tm.unpack(packet, time_reader)
+            tm_packet = Service17Tm.unpack(packet, CdsShortTimestamp.TIMESTAMP_SIZE)
             if tm_packet.subservice == 2:
                 _LOGGER.info("Received Ping Reply TM[17,2]")
             else:
@@ -159,7 +160,7 @@ class PusHandler(SpecificApidHandlerBase):
             _LOGGER.info(
                 f"The service {service} is not implemented in Telemetry Factory"
             )
-            tm_packet = PusTelemetry.unpack(packet, time_reader)
+            tm_packet = PusTelemetry.unpack(packet, CdsShortTimestamp.TIMESTAMP_SIZE)
         self.raw_logger.log_tm(pus_tm)
 
 
@@ -203,15 +204,15 @@ class TcHandler(TcHandlerBase):
             _LOGGER.info(log_entry.log_str)
 
     def queue_finished_cb(self, info: ProcedureWrapper):
-        if info.proc_type == TcProcedureType.DEFAULT:
-            def_proc = info.to_def_procedure()
+        if info.proc_type == TcProcedureType.TREE_COMMANDING:
+            def_proc = info.to_tree_commanding_procedure()
             _LOGGER.info(f"Queue handling finished for command {def_proc.cmd_path}")
 
     def feed_cb(self, info: ProcedureWrapper, wrapper: FeedWrapper):
         q = self.queue_helper
         q.queue_wrapper = wrapper.queue_wrapper
-        if info.proc_type == TcProcedureType.DEFAULT:
-            def_proc = info.to_def_procedure()
+        if info.proc_type == TcProcedureType.TREE_COMMANDING:
+            def_proc = info.to_tree_commanding_procedure()
             cmd_path = def_proc.cmd_path
             if cmd_path == "/ping":
                 q.add_log_cmd("Sending PUS ping telecommand")

embedded-examples/stm32h7-nucleo-rtic/pyclient/requirements.txt

@@ -1,2 +1,2 @@
-tmtccmd == 8.0.0rc.0
+tmtccmd == 8.0.1
 # -e git+https://github.com/robamu-org/tmtccmd.git@main#egg=tmtccmd

embedded-examples/stm32h7-nucleo-rtic/src/bin/blinky.rs

@@ -0,0 +1,55 @@
+//! Blinks an LED
+//!
+//! This assumes that LD2 (blue) is connected to pb7 and LD3 (red) is connected
+//! to pb14. This assumption is true for the nucleo-h743zi board.
+
+#![no_std]
+#![no_main]
+use satrs_stm32h7_nucleo_rtic as _;
+
+use stm32h7xx_hal::{block, prelude::*, timer::Timer};
+
+use cortex_m_rt::entry;
+
+#[entry]
+fn main() -> ! {
+    defmt::println!("starting stm32h7 blinky example");
+
+    // Get access to the device specific peripherals from the peripheral access crate
+    let dp = stm32h7xx_hal::stm32::Peripherals::take().unwrap();
+
+    // Take ownership over the RCC devices and convert them into the corresponding HAL structs
+    let rcc = dp.RCC.constrain();
+
+    let pwr = dp.PWR.constrain();
+    let pwrcfg = pwr.freeze();
+
+    // Freeze the configuration of all the clocks in the system and
+    // retrieve the Core Clock Distribution and Reset (CCDR) object
+    let rcc = rcc.use_hse(8.MHz()).bypass_hse();
+    let ccdr = rcc.freeze(pwrcfg, &dp.SYSCFG);
+
+    // Acquire the GPIOB peripheral
+    let gpiob = dp.GPIOB.split(ccdr.peripheral.GPIOB);
+
+    // Configure gpio B pin 0 as a push-pull output.
+    let mut ld1 = gpiob.pb0.into_push_pull_output();
+
+    // Configure gpio B pin 7 as a push-pull output.
+    let mut ld2 = gpiob.pb7.into_push_pull_output();
+
+    // Configure gpio B pin 14 as a push-pull output.
+    let mut ld3 = gpiob.pb14.into_push_pull_output();
+
+    // Configure the timer to trigger an update every second
+    let mut timer = Timer::tim1(dp.TIM1, ccdr.peripheral.TIM1, &ccdr.clocks);
+    timer.start(1.Hz());
+
+    // Wait for the timer to trigger an update and change the state of the LED
+    loop {
+        ld1.toggle();
+        ld2.toggle();
+        ld3.toggle();
+        block!(timer.wait()).unwrap();
+    }
+}

embedded-examples/stm32h7-nucleo-rtic/src/bin/hello.rs

@@ -0,0 +1,11 @@
+#![no_main]
+#![no_std]
+
+use satrs_stm32h7_nucleo_rtic as _; // global logger + panicking-behavior + memory layout
+
+#[cortex_m_rt::entry]
+fn main() -> ! {
+    defmt::println!("Hello, world!");
+
+    satrs_stm32h7_nucleo_rtic::exit()
+}

embedded-examples/stm32h7-nucleo-rtic/src/lib.rs

@@ -5,7 +5,8 @@ use cortex_m_semihosting::debug;
 
 use defmt_brtt as _; // global logger
 
-use stm32f3xx_hal as _; // memory layout
+// TODO(5) adjust HAL import
+use stm32h7xx_hal as _; // memory layout
 
 use panic_probe as _;
 

embedded-examples/stm32h7-nucleo-rtic/src/main.rs

@@ -0,0 +1,523 @@
+#![no_main]
+#![no_std]
+extern crate alloc;
+
+use rtic::app;
+use rtic_monotonics::systick::prelude::*;
+use satrs::pool::{PoolAddr, PoolProvider, StaticHeaplessMemoryPool};
+use satrs::static_subpool;
+// global logger + panicking-behavior + memory layout
+use satrs_stm32h7_nucleo_rtic as _;
+use smoltcp::socket::udp::UdpMetadata;
+use smoltcp::socket::{dhcpv4, udp};
+
+use core::mem::MaybeUninit;
+use embedded_alloc::LlffHeap as Heap;
+use smoltcp::iface::{Config, Interface, SocketHandle, SocketSet, SocketStorage};
+use smoltcp::wire::{HardwareAddress, IpAddress, IpCidr};
+use stm32h7xx_hal::ethernet;
+
+const DEFAULT_BLINK_FREQ_MS: u32 = 1000;
+const PORT: u16 = 7301;
+
+const HEAP_SIZE: usize = 131_072;
+
+const TC_SOURCE_CHANNEL_DEPTH: usize = 16;
+pub type SharedPool = StaticHeaplessMemoryPool<3>;
+pub type TcSourceChannel = rtic_sync::channel::Channel<PoolAddr, TC_SOURCE_CHANNEL_DEPTH>;
+pub type TcSourceTx = rtic_sync::channel::Sender<'static, PoolAddr, TC_SOURCE_CHANNEL_DEPTH>;
+pub type TcSourceRx = rtic_sync::channel::Receiver<'static, PoolAddr, TC_SOURCE_CHANNEL_DEPTH>;
+
+#[global_allocator]
+static HEAP: Heap = Heap::empty();
+
+systick_monotonic!(Mono, 1000);
+
+// We place the memory pool buffers inside the larger AXISRAM.
+pub const SUBPOOL_SMALL_NUM_BLOCKS: u16 = 32;
+pub const SUBPOOL_SMALL_BLOCK_SIZE: usize = 32;
+pub const SUBPOOL_MEDIUM_NUM_BLOCKS: u16 = 16;
+pub const SUBPOOL_MEDIUM_BLOCK_SIZE: usize = 128;
+pub const SUBPOOL_LARGE_NUM_BLOCKS: u16 = 8;
+pub const SUBPOOL_LARGE_BLOCK_SIZE: usize = 2048;
+
+// This data will be held by Net through a mutable reference
+pub struct NetStorageStatic<'a> {
+    socket_storage: [SocketStorage<'a>; 8],
+}
+// MaybeUninit allows us write code that is correct even if STORE is not
+// initialised by the runtime
+static mut STORE: MaybeUninit<NetStorageStatic> = MaybeUninit::uninit();
+
+static mut UDP_RX_META: [udp::PacketMetadata; 12] = [udp::PacketMetadata::EMPTY; 12];
+static mut UDP_RX: [u8; 2048] = [0; 2048];
+static mut UDP_TX_META: [udp::PacketMetadata; 12] = [udp::PacketMetadata::EMPTY; 12];
+static mut UDP_TX: [u8; 2048] = [0; 2048];
+
+/// Locally administered MAC address
+const MAC_ADDRESS: [u8; 6] = [0x02, 0x00, 0x11, 0x22, 0x33, 0x44];
+
+pub struct Net {
+    iface: Interface,
+    ethdev: ethernet::EthernetDMA<4, 4>,
+    dhcp_handle: SocketHandle,
+}
+
+impl Net {
+    pub fn new(
+        sockets: &mut SocketSet<'static>,
+        mut ethdev: ethernet::EthernetDMA<4, 4>,
+        ethernet_addr: HardwareAddress,
+    ) -> Self {
+        let config = Config::new(ethernet_addr);
+        let mut iface = Interface::new(
+            config,
+            &mut ethdev,
+            smoltcp::time::Instant::from_millis(Mono::now().duration_since_epoch().to_millis()),
+        );
+        // Create sockets
+        let dhcp_socket = dhcpv4::Socket::new();
+        iface.update_ip_addrs(|addrs| {
+            let _ = addrs.push(IpCidr::new(IpAddress::v4(192, 168, 1, 99), 0));
+        });
+
+        let dhcp_handle = sockets.add(dhcp_socket);
+        Net {
+            iface,
+            ethdev,
+            dhcp_handle,
+        }
+    }
+
+    /// Polls on the ethernet interface. You should refer to the smoltcp
+    /// documentation for poll() to understand how to call poll efficiently
+    pub fn poll<'a>(&mut self, sockets: &'a mut SocketSet) -> bool {
+        let uptime = Mono::now().duration_since_epoch();
+        let timestamp = smoltcp::time::Instant::from_millis(uptime.to_millis());
+
+        self.iface.poll(timestamp, &mut self.ethdev, sockets)
+    }
+
+    pub fn poll_dhcp<'a>(&mut self, sockets: &'a mut SocketSet) -> Option<dhcpv4::Event<'a>> {
+        let opt_event = sockets.get_mut::<dhcpv4::Socket>(self.dhcp_handle).poll();
+        if let Some(event) = &opt_event {
+            match event {
+                dhcpv4::Event::Deconfigured => {
+                    defmt::info!("DHCP lost configuration");
+                    self.iface.update_ip_addrs(|addrs| addrs.clear());
+                    self.iface.routes_mut().remove_default_ipv4_route();
+                }
+                dhcpv4::Event::Configured(config) => {
+                    defmt::info!("DHCP configuration acquired");
+                    defmt::info!("IP address: {}", config.address);
+                    self.iface.update_ip_addrs(|addrs| {
+                        addrs.clear();
+                        addrs.push(IpCidr::Ipv4(config.address)).unwrap();
+                    });
+
+                    if let Some(router) = config.router {
+                        defmt::debug!("Default gateway: {}", router);
+                        self.iface
+                            .routes_mut()
+                            .add_default_ipv4_route(router)
+                            .unwrap();
+                    } else {
+                        defmt::debug!("Default gateway: None");
+                        self.iface.routes_mut().remove_default_ipv4_route();
+                    }
+                }
+            }
+        }
+        opt_event
+    }
+}
+
+pub struct UdpNet {
+    udp_handle: SocketHandle,
+    last_client: Option<UdpMetadata>,
+    tc_source_tx: TcSourceTx,
+}
+
+impl UdpNet {
+    pub fn new<'sockets>(sockets: &mut SocketSet<'sockets>, tc_source_tx: TcSourceTx) -> Self {
+        // SAFETY: The RX and TX buffers are passed here and not used anywhere else.
+        let udp_rx_buffer =
+            smoltcp::socket::udp::PacketBuffer::new(unsafe { &mut UDP_RX_META[..] }, unsafe {
+                &mut UDP_RX[..]
+            });
+        let udp_tx_buffer =
+            smoltcp::socket::udp::PacketBuffer::new(unsafe { &mut UDP_TX_META[..] }, unsafe {
+                &mut UDP_TX[..]
+            });
+        let udp_socket = smoltcp::socket::udp::Socket::new(udp_rx_buffer, udp_tx_buffer);
+
+        let udp_handle = sockets.add(udp_socket);
+        Self {
+            udp_handle,
+            last_client: None,
+            tc_source_tx,
+        }
+    }
+
+    pub fn poll<'sockets>(
+        &mut self,
+        sockets: &'sockets mut SocketSet,
+        shared_pool: &mut SharedPool,
+    ) {
+        let socket = sockets.get_mut::<udp::Socket>(self.udp_handle);
+        if !socket.is_open() {
+            if let Err(e) = socket.bind(PORT) {
+                defmt::warn!("binding UDP socket failed: {}", e);
+            }
+        }
+        loop {
+            match socket.recv() {
+                Ok((data, client)) => {
+                    match shared_pool.add(data) {
+                        Ok(store_addr) => {
+                            if let Err(e) = self.tc_source_tx.try_send(store_addr) {
+                                defmt::warn!("TC source channel is full: {}", e);
+                            }
+                        }
+                        Err(e) => {
+                            defmt::warn!("could not add UDP packet to shared pool: {}", e);
+                        }
+                    }
+                    self.last_client = Some(client);
+                    // TODO: Implement packet wiretapping.
+                }
+                Err(e) => match e {
+                    udp::RecvError::Exhausted => {
+                        break;
+                    }
+                    udp::RecvError::Truncated => {
+                        defmt::warn!("UDP packet was truncacted");
+                    }
+                },
+            };
+        }
+    }
+}
+
+#[app(device = stm32h7xx_hal::stm32, peripherals = true)]
+mod app {
+    use core::ptr::addr_of_mut;
+
+    use super::*;
+    use rtic_monotonics::fugit::MillisDurationU32;
+    use satrs::spacepackets::ecss::tc::PusTcReader;
+    use stm32h7xx_hal::ethernet::{EthernetMAC, PHY};
+    use stm32h7xx_hal::gpio::{Output, Pin};
+    use stm32h7xx_hal::prelude::*;
+    use stm32h7xx_hal::stm32::Interrupt;
+
+    struct BlinkyLeds {
+        led1: Pin<'B', 7, Output>,
+        led2: Pin<'B', 14, Output>,
+    }
+
+    #[local]
+    struct Local {
+        leds: BlinkyLeds,
+        link_led: Pin<'B', 0, Output>,
+        net: Net,
+        udp: UdpNet,
+        tc_source_rx: TcSourceRx,
+        phy: ethernet::phy::LAN8742A<EthernetMAC>,
+    }
+
+    #[shared]
+    struct Shared {
+        blink_freq: MillisDurationU32,
+        eth_link_up: bool,
+        sockets: SocketSet<'static>,
+        shared_pool: SharedPool,
+    }
+
+    #[init]
+    fn init(mut cx: init::Context) -> (Shared, Local) {
+        defmt::println!("Starting sat-rs demo application for the STM32H743ZIT");
+
+        let pwr = cx.device.PWR.constrain();
+        let pwrcfg = pwr.freeze();
+
+        let rcc = cx.device.RCC.constrain();
+        // Try to keep the clock configuration similar to one used in STM examples:
+        // https://github.com/STMicroelectronics/STM32CubeH7/blob/master/Projects/NUCLEO-H743ZI/Examples/GPIO/GPIO_EXTI/Src/main.c
+        let ccdr = rcc
+            .sys_ck(400.MHz())
+            .hclk(200.MHz())
+            .use_hse(8.MHz())
+            .bypass_hse()
+            .pclk1(100.MHz())
+            .pclk2(100.MHz())
+            .pclk3(100.MHz())
+            .pclk4(100.MHz())
+            .freeze(pwrcfg, &cx.device.SYSCFG);
+
+        // Initialize the systick interrupt & obtain the token to prove that we did
+        Mono::start(cx.core.SYST, ccdr.clocks.sys_ck().to_Hz());
+
+        // Those are used in the smoltcp of the stm32h7xx-hal , I am not fully sure what they are
+        // good for.
+        cx.core.SCB.enable_icache();
+        cx.core.DWT.enable_cycle_counter();
+
+        let gpioa = cx.device.GPIOA.split(ccdr.peripheral.GPIOA);
+        let gpiob = cx.device.GPIOB.split(ccdr.peripheral.GPIOB);
+        let gpioc = cx.device.GPIOC.split(ccdr.peripheral.GPIOC);
+        let gpiog = cx.device.GPIOG.split(ccdr.peripheral.GPIOG);
+
+        let link_led = gpiob.pb0.into_push_pull_output();
+        let mut led1 = gpiob.pb7.into_push_pull_output();
+        let mut led2 = gpiob.pb14.into_push_pull_output();
+
+        // Criss-cross pattern looks cooler.
+        led1.set_high();
+        led2.set_low();
+        let leds = BlinkyLeds { led1, led2 };
+
+        let rmii_ref_clk = gpioa.pa1.into_alternate::<11>();
+        let rmii_mdio = gpioa.pa2.into_alternate::<11>();
+        let rmii_mdc = gpioc.pc1.into_alternate::<11>();
+        let rmii_crs_dv = gpioa.pa7.into_alternate::<11>();
+        let rmii_rxd0 = gpioc.pc4.into_alternate::<11>();
+        let rmii_rxd1 = gpioc.pc5.into_alternate::<11>();
+        let rmii_tx_en = gpiog.pg11.into_alternate::<11>();
+        let rmii_txd0 = gpiog.pg13.into_alternate::<11>();
+        let rmii_txd1 = gpiob.pb13.into_alternate::<11>();
+
+        let mac_addr = smoltcp::wire::EthernetAddress::from_bytes(&MAC_ADDRESS);
+
+        /// Ethernet descriptor rings are a global singleton
+        #[link_section = ".sram3.eth"]
+        static mut DES_RING: MaybeUninit<ethernet::DesRing<4, 4>> = MaybeUninit::uninit();
+
+        let (eth_dma, eth_mac) = ethernet::new(
+            cx.device.ETHERNET_MAC,
+            cx.device.ETHERNET_MTL,
+            cx.device.ETHERNET_DMA,
+            (
+                rmii_ref_clk,
+                rmii_mdio,
+                rmii_mdc,
+                rmii_crs_dv,
+                rmii_rxd0,
+                rmii_rxd1,
+                rmii_tx_en,
+                rmii_txd0,
+                rmii_txd1,
+            ),
+            // SAFETY: We do not move the returned DMA struct across thread boundaries, so this
+            // should be safe according to the docs.
+            unsafe { DES_RING.assume_init_mut() },
+            mac_addr,
+            ccdr.peripheral.ETH1MAC,
+            &ccdr.clocks,
+        );
+        // Initialise ethernet PHY...
+        let mut lan8742a = ethernet::phy::LAN8742A::new(eth_mac.set_phy_addr(0));
+        lan8742a.phy_reset();
+        lan8742a.phy_init();
+
+        unsafe {
+            ethernet::enable_interrupt();
+            cx.core.NVIC.set_priority(Interrupt::ETH, 196); // Mid prio
+            cortex_m::peripheral::NVIC::unmask(Interrupt::ETH);
+        }
+
+        // unsafe: mutable reference to static storage, we only do this once
+        let store = unsafe {
+            let store_ptr = STORE.as_mut_ptr();
+
+            // Initialise the socket_storage field. Using `write` instead of
+            // assignment via `=` to not call `drop` on the old, uninitialised
+            // value
+            addr_of_mut!((*store_ptr).socket_storage).write([SocketStorage::EMPTY; 8]);
+
+            // Now that all fields are initialised we can safely use
+            // assume_init_mut to return a mutable reference to STORE
+            STORE.assume_init_mut()
+        };
+
+        let (tc_source_tx, tc_source_rx) =
+            rtic_sync::make_channel!(PoolAddr, TC_SOURCE_CHANNEL_DEPTH);
+
+        let mut sockets = SocketSet::new(&mut store.socket_storage[..]);
+        let net = Net::new(&mut sockets, eth_dma, mac_addr.into());
+        let udp = UdpNet::new(&mut sockets, tc_source_tx);
+
+        let mut shared_pool: SharedPool = StaticHeaplessMemoryPool::new(true);
+        static_subpool!(
+            SUBPOOL_SMALL,
+            SUBPOOL_SMALL_SIZES,
+            SUBPOOL_SMALL_NUM_BLOCKS as usize,
+            SUBPOOL_SMALL_BLOCK_SIZE,
+            link_section = ".axisram"
+        );
+        static_subpool!(
+            SUBPOOL_MEDIUM,
+            SUBPOOL_MEDIUM_SIZES,
+            SUBPOOL_MEDIUM_NUM_BLOCKS as usize,
+            SUBPOOL_MEDIUM_BLOCK_SIZE,
+            link_section = ".axisram"
+        );
+        static_subpool!(
+            SUBPOOL_LARGE,
+            SUBPOOL_LARGE_SIZES,
+            SUBPOOL_LARGE_NUM_BLOCKS as usize,
+            SUBPOOL_LARGE_BLOCK_SIZE,
+            link_section = ".axisram"
+        );
+
+        shared_pool
+            .grow(
+                SUBPOOL_SMALL.get_mut().unwrap(),
+                SUBPOOL_SMALL_SIZES.get_mut().unwrap(),
+                SUBPOOL_SMALL_NUM_BLOCKS,
+                true,
+            )
+            .expect("growing heapless memory pool failed");
+        shared_pool
+            .grow(
+                SUBPOOL_MEDIUM.get_mut().unwrap(),
+                SUBPOOL_MEDIUM_SIZES.get_mut().unwrap(),
+                SUBPOOL_MEDIUM_NUM_BLOCKS,
+                true,
+            )
+            .expect("growing heapless memory pool failed");
+        shared_pool
+            .grow(
+                SUBPOOL_LARGE.get_mut().unwrap(),
+                SUBPOOL_LARGE_SIZES.get_mut().unwrap(),
+                SUBPOOL_LARGE_NUM_BLOCKS,
+                true,
+            )
+            .expect("growing heapless memory pool failed");
+
+        // Set up global allocator. Use AXISRAM for the heap.
+        #[link_section = ".axisram"]
+        static mut HEAP_MEM: [MaybeUninit<u8>; HEAP_SIZE] = [MaybeUninit::uninit(); HEAP_SIZE];
+        unsafe { HEAP.init(&raw mut HEAP_MEM as usize, HEAP_SIZE) }
+
+        eth_link_check::spawn().expect("eth link check failed");
+        blinky::spawn().expect("spawning blink task failed");
+        udp_task::spawn().expect("spawning UDP task failed");
+        tc_source_task::spawn().expect("spawning TC source task failed");
+
+        (
+            Shared {
+                blink_freq: MillisDurationU32::from_ticks(DEFAULT_BLINK_FREQ_MS),
+                eth_link_up: false,
+                sockets,
+                shared_pool,
+            },
+            Local {
+                link_led,
+                leds,
+                net,
+                udp,
+                tc_source_rx,
+                phy: lan8742a,
+            },
+        )
+    }
+
+    #[task(local = [leds], shared=[blink_freq])]
+    async fn blinky(mut cx: blinky::Context) {
+        let leds = cx.local.leds;
+        loop {
+            leds.led1.toggle();
+            leds.led2.toggle();
+            let current_blink_freq = cx.shared.blink_freq.lock(|current| *current);
+            Mono::delay(current_blink_freq).await;
+        }
+    }
+
+    /// This task checks for the network link.
+    #[task(local=[link_led, phy], shared=[eth_link_up])]
+    async fn eth_link_check(mut cx: eth_link_check::Context) {
+        let phy = cx.local.phy;
+        let link_led = cx.local.link_led;
+        loop {
+            let link_was_up = cx.shared.eth_link_up.lock(|link_up| *link_up);
+            if phy.poll_link() {
+                if !link_was_up {
+                    link_led.set_high();
+                    cx.shared.eth_link_up.lock(|link_up| *link_up = true);
+                    defmt::info!("Ethernet link up");
+                }
+            } else if link_was_up {
+                link_led.set_low();
+                cx.shared.eth_link_up.lock(|link_up| *link_up = false);
+                defmt::info!("Ethernet link down");
+            }
+            Mono::delay(100.millis()).await;
+        }
+    }
+
+    #[task(binds=ETH, local=[net], shared=[sockets])]
+    fn eth_isr(mut cx: eth_isr::Context) {
+        // SAFETY: We do not write the register mentioned inside the docs anywhere else.
+        unsafe {
+            ethernet::interrupt_handler();
+        }
+        // Check and process ETH frames and DHCP. UDP is checked in a different task.
+        cx.shared.sockets.lock(|sockets| {
+            cx.local.net.poll(sockets);
+            cx.local.net.poll_dhcp(sockets);
+        });
+    }
+
+    /// This task routes UDP packets.
+    #[task(local=[udp], shared=[sockets, shared_pool])]
+    async fn udp_task(mut cx: udp_task::Context) {
+        loop {
+            cx.shared.sockets.lock(|sockets| {
+                cx.shared.shared_pool.lock(|pool| {
+                    cx.local.udp.poll(sockets, pool);
+                })
+            });
+            Mono::delay(40.millis()).await;
+        }
+    }
+
+    /// This task handles all the incoming telecommands.
+    #[task(local=[read_buf: [u8; 1024] = [0; 1024], tc_source_rx], shared=[shared_pool])]
+    async fn tc_source_task(mut cx: tc_source_task::Context) {
+        loop {
+            let recv_result = cx.local.tc_source_rx.recv().await;
+            match recv_result {
+                Ok(pool_addr) => {
+                    cx.shared.shared_pool.lock(|pool| {
+                        match pool.read(&pool_addr, cx.local.read_buf.as_mut()) {
+                            Ok(packet_len) => {
+                                defmt::info!("received {} bytes in the TC source task", packet_len);
+                                match PusTcReader::new(&cx.local.read_buf[0..packet_len]) {
+                                    Ok((packet, _tc_len)) => {
+                                        // TODO: Handle packet here or dispatch to dedicated PUS
+                                        // handler? Dispatching could simplify some things and make
+                                        // the software more scalable..
+                                        defmt::info!("received PUS packet: {}", packet);
+                                    }
+                                    Err(e) => {
+                                        defmt::info!("invalid TC format, not a PUS packet: {}", e);
+                                    }
+                                }
+                                if let Err(e) = pool.delete(pool_addr) {
+                                    defmt::warn!("deleting TC data failed: {}", e);
+                                }
+                            }
+                            Err(e) => {
+                                defmt::warn!("TC packet read failed: {}", e);
+                            }
+                        }
+                    });
+                }
+                Err(e) => {
+                    defmt::warn!("TC source reception error: {}", e);
+                }
+            };
+        }
+    }
+}

embedded-examples/stm32h7-nucleo-rtic/tests/integration.rs

@@ -0,0 +1,16 @@
+#![no_std]
+#![no_main]
+
+use stm32h7_testapp as _; // memory layout + panic handler
+
+// See https://crates.io/crates/defmt-test/0.3.0 for more documentation (e.g. about the 'state'
+// feature)
+#[defmt_test::tests]
+mod tests {
+    use defmt::assert;
+
+    #[test]
+    fn it_works() {
+        assert!(true)
+    }
+}

embedded-examples/stm32h7-nucleo-rtic/vscode/.gitignore

@@ -0,0 +1,2 @@
+/settings.json
+/.cortex-debug.*

embedded-examples/stm32h7-nucleo-rtic/vscode/extensions.json

@@ -0,0 +1,12 @@
+{
+	// See https://go.microsoft.com/fwlink/?LinkId=827846 to learn about workspace recommendations.
+	// Extension identifier format: ${publisher}.${name}. Example: vscode.csharp
+
+	// List of extensions which should be recommended for users of this workspace.
+	"recommendations": [
+		"rust-lang.rust",
+		"probe-rs.probe-rs-debugger"
+	],
+	// List of extensions recommended by VS Code that should not be recommended for users of this workspace.
+	"unwantedRecommendations": []
+}

embedded-examples/stm32h7-nucleo-rtic/vscode/launch.json

@@ -0,0 +1,22 @@
+{
+  "version": "0.2.0",
+  "configurations": [
+    {
+      "preLaunchTask": "${defaultBuildTask}",
+      "type": "probe-rs-debug",
+      "request": "launch",
+      "name": "probe-rs Debugging ",
+      "flashingConfig": {
+        "flashingEnabled": true
+      },
+      "chip": "STM32H743ZITx",
+      "coreConfigs": [
+        {
+          "programBinary": "${workspaceFolder}/target/thumbv7em-none-eabihf/debug/satrs-stm32h7-nucleo-rtic",
+          "rttEnabled": true,
+          "svdFile": "STM32H743.svd"
+        }
+      ]
+    }
+  ]
+}

embedded-examples/stm32h7-nucleo-rtic/vscode/tasks.json

@@ -0,0 +1,20 @@
+{
+    // See https://go.microsoft.com/fwlink/?LinkId=733558 
+    // for the documentation about the tasks.json format
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "label": "cargo build",
+            "type": "shell",
+            "command": "~/.cargo/bin/cargo", // note: full path to the cargo
+            "args": [
+                "build"
+            ],
+            "group": {
+                "kind": "build",
+                "isDefault": true
+            }
+        },
+
+    ]
+}

experiments/satrs-gen/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "satrs-gen"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+toml = "0.8"
+heck = "0.5"

experiments/satrs-gen/components.toml

@@ -0,0 +1,34 @@
+[apid]
+Sched = 1
+GenericPus = 2
+Acs = 3
+Cfdp = 4
+Tmtc = 5
+Eps = 6
+
+
+[ids]
+[ids.Eps]
+Pcdu = 0
+Subsystem = 1
+
+[ids.Tmtc]
+UdpServer = 0
+TcpServer = 1
+
+[ids.GenericPus]
+PusEventManagement = 0
+PusRouting = 1
+PusTest = 2
+PusAction = 3
+PusMode = 4
+PusHk = 5
+
+[ids.Sched]
+PusSched = 0
+
+[ids.Acs]
+Subsystem = 1
+Assembly = 2
+Mgm0 = 3
+Mgm1 = 4

experiments/satrs-gen/src/main.rs

@@ -0,0 +1,91 @@
+use heck::{ToShoutySnakeCase, ToSnakeCase};
+use std::{
+    collections::BTreeMap,
+    fs::{self, File},
+    io::{self, Write},
+};
+
+use toml::{Value, map::Map};
+
+fn main() -> io::Result<()> {
+    // Read the configuration file
+    let config_str = fs::read_to_string("components.toml").expect("Unable to read file");
+    let config: Value = toml::from_str(&config_str).expect("Unable to parse TOML");
+
+    let mut output = File::create("../satrs-example/src/ids.rs")?;
+
+    generate_rust_code(&config, &mut output);
+    Ok(())
+}
+
+fn sort_enum_table(table_map: &Map<String, Value>) -> BTreeMap<u64, &str> {
+    // Collect entries into a BTreeMap to sort them by key
+    let mut sorted_entries: BTreeMap<u64, &str> = BTreeMap::new();
+
+    for (key, value) in table_map {
+        if let Some(value) = value.as_integer() {
+            if !(0..=0x7FF).contains(&value) {
+                panic!("Invalid APID value: {}", value);
+            }
+            sorted_entries.insert(value as u64, key);
+        }
+    }
+    sorted_entries
+}
+
+fn generate_rust_code(config: &Value, writer: &mut impl Write) {
+    writeln!(
+        writer,
+        "//! This is an auto-generated configuration module."
+    )
+    .unwrap();
+    writeln!(writer, "use satrs::request::UniqueApidTargetId;").unwrap();
+    writeln!(writer).unwrap();
+
+    // Generate the main module
+    writeln!(
+        writer,
+        "#[derive(Debug, Copy, Clone, PartialEq, Eq, strum::EnumIter)]"
+    )
+    .unwrap();
+    writeln!(writer, "pub enum Apid {{").unwrap();
+
+    // Generate constants for the main module
+    if let Some(apid_table) = config.get("apid").and_then(Value::as_table) {
+        let sorted_entries = sort_enum_table(apid_table);
+        // Write the sorted entries to the writer
+        for (value, key) in sorted_entries {
+            writeln!(writer, "    {} = {},", key, value).unwrap();
+        }
+    }
+    writeln!(writer, "}}").unwrap();
+
+    // Generate ID tables.
+    if let Some(id_tables) = config.get("ids").and_then(Value::as_table) {
+        for (mod_name, table) in id_tables {
+            let mod_name_as_snake = mod_name.to_snake_case();
+            writeln!(writer).unwrap();
+            writeln!(writer, "pub mod {} {{", mod_name_as_snake).unwrap();
+            let sorted_entries = sort_enum_table(table.as_table().unwrap());
+            writeln!(writer, "    #[derive(Debug, Copy, Clone, PartialEq, Eq)]").unwrap();
+            writeln!(writer, "    pub enum Id {{").unwrap();
+            // Write the sorted entries to the writer
+            for (value, key) in &sorted_entries {
+                writeln!(writer, "        {} = {},", key, value).unwrap();
+            }
+            writeln!(writer, "    }}").unwrap();
+            writeln!(writer).unwrap();
+
+            for (_value, key) in sorted_entries {
+                let key_shouting = key.to_shouty_snake_case();
+                writeln!(
+                    writer,
+                    "    pub const {}: super::UniqueApidTargetId = super::UniqueApidTargetId::new(super::Apid::{} as u16, Id::{} as u32);",
+                key_shouting, mod_name, key
+                ).unwrap();
+            }
+
+            writeln!(writer, "}}").unwrap();
+        }
+    }
+}

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justfile

@@ -0,0 +1,29 @@
+all: check build embedded test check-fmt clippy docs
+
+check:
+  cargo check
+  cargo check -p satrs-example --no-default-features
+
+build:
+  cargo build
+
+test:
+  cargo nextest run --all-features
+  cargo test --doc --all-features
+
+embedded:
+  cargo check -p satrs --target=thumbv7em-none-eabihf --no-default-features
+
+check-fmt:
+  cargo fmt --all -- --check
+
+fmt:
+  cargo fmt --all
+
+clippy:
+  cargo clippy -- -D warnings
+
+docs-satrs:
+  RUSTDOCFLAGS="--cfg docsrs --generate-link-to-definition -Z unstable-options" cargo +nightly doc -p satrs --all-features
+
+docs: docs-satrs

satrs-book/src/constrained-systems.md

@@ -3,20 +3,20 @@
 Software for space systems oftentimes has different requirements than the software for host
 systems or servers. Currently, most space systems are considered embedded systems.
 
-For these systems, the computation power and the available heap are the most important resources
-which are constrained. This might make completeley heap based memory management schemes which
+For these systems, the computation power and the available heap are important resources
+which are also constrained. This might make completeley heap based memory management schemes which
 are oftentimes used on host and server based systems unfeasable. Still, completely forbidding
 heap allocations might make software development unnecessarilly difficult, especially in a
 time where the OBSW might be running on Linux based systems with hundreds of MBs of RAM.
 
-A useful pattern used commonly in space systems is to limit heap allocations to program
+A useful pattern commonly used in space systems is to limit heap allocations to program
 initialization time and avoid frequent run-time allocations. This prevents issues like
 running out of memory (something even Rust can not protect from) or heap fragmentation on systems
 without a MMU.
 
 # Using pre-allocated pool structures
 
-A huge candidate for heap allocations is the TMTC and  handling. TC, TMs and IPC data are all
+A candidate for heap allocations is the TMTC and  handling. TC, TMs and IPC data are all
 candidates where the data size might vary greatly. The regular solution for host systems
 might be to send around this data as a `Vec<u8>` until it is dropped. `sat-rs` provides
 another solution to avoid run-time allocations by offering pre-allocated static

satrs-book/src/events.md

@@ -17,3 +17,8 @@ The following images shows how the flow of events could look like in a system wh
 can generate events, and where other system components might be interested in those events:
 
 ![Event flow](images/events/event_man_arch.png)
+
+For the concrete implementation of your own event management and/or event routing system, you
+can have a look at the event management documentation inside the
+[API documentation](https://docs.rs/satrs/latest/satrs/event_man/index.html) where you can also
+find references to all examples.

satrs-book/src/introduction.md

@@ -5,10 +5,8 @@ This book is the primary information resource for the [sat-rs library](https://e
 in addition to the regular API documentation. It contains the following resources:
 
 1. Architecture informations and consideration which would exceeds the scope of the regular API.
-2. General information on how to build On-Board Software and how `sat-rs` can help to fulfill
+2. General information on how to build on-board Software and how `sat-rs` can help to fulfill
    the unique requirements of writing software for remote systems.
-2. A Getting-Started workshop where a small On-Board Software is built from scratch using
-   sat-rs components.
 
 # Introduction
 
@@ -31,4 +29,21 @@ and [EIVE](https://www.irs.uni-stuttgart.de/en/research/satellitetechnology-and-
 The [`satrs-example`](https://egit.irs.uni-stuttgart.de/rust/sat-rs/src/branch/main/satrs-example)
 provides various practical usage examples of the `sat-rs` framework. If you are more interested in
 the practical application of `sat-rs` inside an application, it is recommended to have a look at
-the example application.
+the example application. The [`satrs-minisim`](https://egit.irs.uni-stuttgart.de/rust/sat-rs/src/branch/main/satrs-minisim)
+applicatin complements the example application and can be used to simulate some physical devices
+for the `satrs-example` device handlers.
+
+# Flight Heritage
+
+There is an active and continuous effort to get early flight heritage for the sat-rs library.
+Currently this library has the following flight heritage:
+
+- Submission as an [OPS-SAT experiment](https://www.esa.int/Enabling_Support/Operations/OPS-SAT)
+  which has also
+  [flown on the satellite](https://blogs.esa.int/rocketscience/2024/05/21/ops-sat-reentry-tomorrow-final-experiments-continue/).
+  The application is strongly based on the sat-rs example application. You can find the repository
+  of the experiment [here](https://egit.irs.uni-stuttgart.de/rust/ops-sat-rs).
+- Development and use of a sat-rs-based [demonstration on-board software](https://egit.irs.uni-stuttgart.de/rust/eurosim-obsw)
+  alongside a Flight System Simulator in the context of a
+  [Bachelors Thesis](https://www.researchgate.net/publication/380785984_Design_and_Development_of_a_Hardware-in-the-Loop_EuroSim_Demonstrator)
+  at [Airbus Netherlands](https://www.airbusdefenceandspacenetherlands.nl/).

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-source = "git+https://github.com/robamu/stm32f3xx-hal?branch=complete-dma-update#04fc76b7912649c84b57bd0ab803ea3ccf2aadae"
-dependencies = [
- "bxcan",
- "cfg-if",
- "cortex-m",
- "cortex-m-rt",
- "critical-section",
- "embedded-dma",
- "embedded-hal 0.2.7",
- "embedded-time",
- "enumset",
- "nb 1.1.0",
- "num-traits",
- "paste",
- "rtcc",
- "slice-group-by",
- "stm32-usbd",
- "stm32f3",
- "void",
-]
-
-[[package]]
-name = "switch-hal"
-version = "0.4.0"
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-checksum = "90a4adc8cbd1726249b161898e48e0f3f1ce74d34dc784cbbc98fba4ed283fbf"
-dependencies = [
- "embedded-hal 0.2.7",
-]
-
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-name = "syn"
-version = "1.0.109"
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- "proc-macro2",
- "quote",
- "unicode-ident",
-]
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-name = "syn"
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- "proc-macro2",
- "quote",
- "unicode-ident",
-]
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- "thiserror-impl",
-]
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- "proc-macro2",
- "quote",
- "syn 2.0.58",
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- "zerocopy-derive",
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- "proc-macro2",
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satrs-example-stm32f3-disco/Cargo.toml

@@ -1,83 +0,0 @@
-[package]
-name = "satrs-example-stm32f3-disco"
-version = "0.1.0"
-edition = "2021"
-default-run = "satrs-example-stm32f3-disco"
-
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-
-[dependencies]
-cortex-m = { version = "0.7", features = ["critical-section-single-core"] }
-cortex-m-rt = "0.7"
-defmt = "0.3"
-defmt-brtt = { version = "0.1", default-features = false, features = ["rtt"] }
-panic-probe = { version = "0.3", features = ["print-defmt"] }
-embedded-hal = "0.2.7"
-cortex-m-semihosting = "0.5.0"
-enumset = "1"
-heapless = "0.8"
-
-[dependencies.rtic]
-version = "2"
-features = ["thumbv7-backend"]
-
-[dependencies.rtic-monotonics]
-version = "1"
-features = ["cortex-m-systick"]
-
-[dependencies.cobs]
-git = "https://github.com/robamu/cobs.rs.git"
-branch = "all_features"
-default-features = false
-
-[dependencies.stm32f3xx-hal]
-git = "https://github.com/robamu/stm32f3xx-hal"
-version = "0.11.0-alpha.0"
-features = ["stm32f303xc", "rt", "enumset"]
-branch = "complete-dma-update"
-# Can be used in workspace to develop and update HAL
-# path = "../stm32f3xx-hal"
-
-[dependencies.stm32f3-discovery]
-git = "https://github.com/robamu/stm32f3-discovery"
-version = "0.8.0-alpha.0"
-branch = "complete-dma-update-hal"
-# Can be used in workspace to develop and update BSP
-# path = "../stm32f3-discovery"
-
-[dependencies.satrs]
-path = "../satrs"
-default-features = false
-features = ["defmt"]
-
-[dev-dependencies]
-defmt-test = "0.3"
-
-# cargo test
-[profile.test]
-codegen-units = 1
-debug = 2
-debug-assertions = true # <-
-incremental = false
-opt-level = "s" # <-
-overflow-checks = true # <-
-
-# cargo build/run --release
-[profile.release]
-codegen-units = 1
-debug = 2
-debug-assertions = false # <-
-incremental = false
-lto = 'fat'
-opt-level = "s" # <-
-overflow-checks = false # <-
-
-# cargo test --release
-[profile.bench]
-codegen-units = 1
-debug = 2
-debug-assertions = false # <-
-incremental = false
-lto = 'fat'
-opt-level = "s" # <-
-overflow-checks = false # <-

satrs-example-stm32f3-disco/legacy/jlink.gdb

@@ -1,10 +0,0 @@
-target extended-remote localhost:2331
-
-monitor reset
-
-# *try* to stop at the user entry point (it might be gone due to inlining)
-break main
-
-load
-
-continue

satrs-example-stm32f3-disco/legacy/openocd.cfg

@@ -1,12 +0,0 @@
-# Sample OpenOCD configuration for the STM32F3DISCOVERY development board
-
-# Depending on the hardware revision you got you'll have to pick ONE of these
-# interfaces. At any time only one interface should be commented out.
-
-# Revision C (newer revision)
-source [find interface/stlink.cfg]
-
-# Revision A and B (older revisions)
-# source [find interface/stlink-v2.cfg]
-
-source [find target/stm32f3x.cfg]

satrs-example-stm32f3-disco/legacy/openocd.gdb

@@ -1,42 +0,0 @@
-target extended-remote :3333
-
-# print demangled symbols
-set print asm-demangle on
-
-# set backtrace limit to not have infinite backtrace loops
-set backtrace limit 32
-
-# detect unhandled exceptions, hard faults and panics
-break DefaultHandler
-break HardFault
-break rust_begin_unwind
-# # run the next few lines so the panic message is printed immediately
-# # the number needs to be adjusted for your panic handler
-# commands $bpnum
-# next 4
-# end
-
-# *try* to stop at the user entry point (it might be gone due to inlining)
-break main
-
-# monitor arm semihosting enable
-
-# # send captured ITM to the file itm.fifo
-# # (the microcontroller SWO pin must be connected to the programmer SWO pin)
-# # 8000000 must match the core clock frequency
-# # 2000000 is the frequency of the SWO pin. This was added for newer
-# openocd versions like v0.12.0.
-# monitor tpiu config internal itm.txt uart off 8000000 2000000
-
-# # OR: make the microcontroller SWO pin output compatible with UART (8N1)
-# # 8000000 must match the core clock frequency
-# # 2000000 is the frequency of the SWO pin
-# monitor tpiu config external uart off 8000000 2000000
-
-# # enable ITM port 0
-# monitor itm port 0 on
-
-load
-
-# start the process but immediately halt the processor
-stepi

satrs-example-stm32f3-disco/pyclient/def_tmtc_conf.json

@@ -1,4 +0,0 @@
-{
-    "com_if": "serial_cobs",
-    "serial_baudrate": 115200
-}

satrs-example-stm32f3-disco/src/bin/blinky.rs

@@ -1,76 +0,0 @@
-#![no_std]
-#![no_main]
-use satrs_example_stm32f3_disco as _;
-
-use stm32f3_discovery::leds::Leds;
-use stm32f3_discovery::stm32f3xx_hal::delay::Delay;
-use stm32f3_discovery::stm32f3xx_hal::{pac, prelude::*};
-use stm32f3_discovery::switch_hal::{OutputSwitch, ToggleableOutputSwitch};
-
-#[cortex_m_rt::entry]
-fn main() -> ! {
-    defmt::println!("STM32F3 Discovery Blinky");
-    let dp = pac::Peripherals::take().unwrap();
-    let mut rcc = dp.RCC.constrain();
-    let cp = cortex_m::Peripherals::take().unwrap();
-    let mut flash = dp.FLASH.constrain();
-    let clocks = rcc.cfgr.freeze(&mut flash.acr);
-    let mut delay = Delay::new(cp.SYST, clocks);
-
-    let mut gpioe = dp.GPIOE.split(&mut rcc.ahb);
-    let mut leds = Leds::new(
-        gpioe.pe8,
-        gpioe.pe9,
-        gpioe.pe10,
-        gpioe.pe11,
-        gpioe.pe12,
-        gpioe.pe13,
-        gpioe.pe14,
-        gpioe.pe15,
-        &mut gpioe.moder,
-        &mut gpioe.otyper,
-    );
-    let delay_ms = 200u16;
-    loop {
-        leds.ld3_n.toggle().ok();
-        delay.delay_ms(delay_ms);
-        leds.ld3_n.toggle().ok();
-        delay.delay_ms(delay_ms);
-
-        //explicit on/off
-        leds.ld4_nw.on().ok();
-        delay.delay_ms(delay_ms);
-        leds.ld4_nw.off().ok();
-        delay.delay_ms(delay_ms);
-
-        leds.ld5_ne.on().ok();
-        delay.delay_ms(delay_ms);
-        leds.ld5_ne.off().ok();
-        delay.delay_ms(delay_ms);
-
-        leds.ld6_w.on().ok();
-        delay.delay_ms(delay_ms);
-        leds.ld6_w.off().ok();
-        delay.delay_ms(delay_ms);
-
-        leds.ld7_e.on().ok();
-        delay.delay_ms(delay_ms);
-        leds.ld7_e.off().ok();
-        delay.delay_ms(delay_ms);
-
-        leds.ld8_sw.on().ok();
-        delay.delay_ms(delay_ms);
-        leds.ld8_sw.off().ok();
-        delay.delay_ms(delay_ms);
-
-        leds.ld9_se.on().ok();
-        delay.delay_ms(delay_ms);
-        leds.ld9_se.off().ok();
-        delay.delay_ms(delay_ms);
-
-        leds.ld10_s.on().ok();
-        delay.delay_ms(delay_ms);
-        leds.ld10_s.off().ok();
-        delay.delay_ms(delay_ms);
-    }
-}

satrs-example-stm32f3-disco/src/main.rs

@@ -1,684 +0,0 @@
-#![no_std]
-#![no_main]
-use satrs::pus::verification::{
-    FailParams, TcStateAccepted, VerificationReportCreator, VerificationToken,
-};
-use satrs::spacepackets::ecss::tc::PusTcReader;
-use satrs::spacepackets::ecss::tm::{PusTmCreator, PusTmSecondaryHeader};
-use satrs::spacepackets::ecss::EcssEnumU16;
-use satrs::spacepackets::CcsdsPacket;
-use satrs::spacepackets::{ByteConversionError, SpHeader};
-// global logger + panicking-behavior + memory layout
-use satrs_example_stm32f3_disco as _;
-
-use rtic::app;
-
-use heapless::{mpmc::Q8, Vec};
-#[allow(unused_imports)]
-use rtic_monotonics::systick::fugit::{MillisDurationU32, TimerInstantU32};
-use rtic_monotonics::systick::ExtU32;
-use satrs::seq_count::SequenceCountProviderCore;
-use satrs::spacepackets::{ecss::PusPacket, ecss::WritablePusPacket};
-use stm32f3xx_hal::dma::dma1;
-use stm32f3xx_hal::gpio::{PushPull, AF7, PA2, PA3};
-use stm32f3xx_hal::pac::USART2;
-use stm32f3xx_hal::serial::{Rx, RxEvent, Serial, SerialDmaRx, SerialDmaTx, Tx, TxEvent};
-
-const UART_BAUD: u32 = 115200;
-const DEFAULT_BLINK_FREQ_MS: u32 = 1000;
-const TX_HANDLER_FREQ_MS: u32 = 20;
-const MIN_DELAY_BETWEEN_TX_PACKETS_MS: u32 = 5;
-const MAX_TC_LEN: usize = 128;
-const MAX_TM_LEN: usize = 128;
-pub const PUS_APID: u16 = 0x02;
-
-type TxType = Tx<USART2, PA2<AF7<PushPull>>>;
-type RxType = Rx<USART2, PA3<AF7<PushPull>>>;
-type InstantFugit = TimerInstantU32<1000>;
-type TxDmaTransferType = SerialDmaTx<&'static [u8], dma1::C7, TxType>;
-type RxDmaTransferType = SerialDmaRx<&'static mut [u8], dma1::C6, RxType>;
-
-// This is the predictable maximum overhead of the COBS encoding scheme.
-// It is simply the maximum packet lenght dividied by 254 rounded up.
-const COBS_TC_OVERHEAD: usize = (MAX_TC_LEN + 254 - 1) / 254;
-const COBS_TM_OVERHEAD: usize = (MAX_TM_LEN + 254 - 1) / 254;
-
-const TC_BUF_LEN: usize = MAX_TC_LEN + COBS_TC_OVERHEAD;
-const TM_BUF_LEN: usize = MAX_TC_LEN + COBS_TM_OVERHEAD;
-
-// This is a static buffer which should ONLY (!) be used as the TX DMA
-// transfer buffer.
-static mut DMA_TX_BUF: [u8; TM_BUF_LEN] = [0; TM_BUF_LEN];
-// This is a static buffer which should ONLY (!) be used as the RX DMA
-// transfer buffer.
-static mut DMA_RX_BUF: [u8; TC_BUF_LEN] = [0; TC_BUF_LEN];
-
-type TmPacket = Vec<u8, MAX_TM_LEN>;
-type TcPacket = Vec<u8, MAX_TC_LEN>;
-
-static TM_REQUESTS: Q8<TmPacket> = Q8::new();
-
-use core::sync::atomic::{AtomicU16, Ordering};
-
-pub struct SeqCountProviderAtomicRef {
-    atomic: AtomicU16,
-    ordering: Ordering,
-}
-
-impl SeqCountProviderAtomicRef {
-    pub const fn new(ordering: Ordering) -> Self {
-        Self {
-            atomic: AtomicU16::new(0),
-            ordering,
-        }
-    }
-}
-
-impl SequenceCountProviderCore<u16> for SeqCountProviderAtomicRef {
-    fn get(&self) -> u16 {
-        self.atomic.load(self.ordering)
-    }
-
-    fn increment(&self) {
-        self.atomic.fetch_add(1, self.ordering);
-    }
-
-    fn get_and_increment(&self) -> u16 {
-        self.atomic.fetch_add(1, self.ordering)
-    }
-}
-
-static SEQ_COUNT_PROVIDER: SeqCountProviderAtomicRef =
-    SeqCountProviderAtomicRef::new(Ordering::Relaxed);
-
-pub struct TxIdle {
-    tx: TxType,
-    dma_channel: dma1::C7,
-}
-
-#[derive(Debug, defmt::Format)]
-pub enum TmSendError {
-    ByteConversion(ByteConversionError),
-    Queue,
-}
-
-impl From<ByteConversionError> for TmSendError {
-    fn from(value: ByteConversionError) -> Self {
-        Self::ByteConversion(value)
-    }
-}
-
-fn send_tm(tm_creator: PusTmCreator) -> Result<(), TmSendError> {
-    if tm_creator.len_written() > MAX_TM_LEN {
-        return Err(ByteConversionError::ToSliceTooSmall {
-            expected: tm_creator.len_written(),
-            found: MAX_TM_LEN,
-        }
-        .into());
-    }
-    let mut tm_vec = TmPacket::new();
-    tm_vec
-        .resize(tm_creator.len_written(), 0)
-        .expect("vec resize failed");
-    tm_creator.write_to_bytes(tm_vec.as_mut_slice())?;
-    defmt::info!(
-        "Sending TM[{},{}] with size {}",
-        tm_creator.service(),
-        tm_creator.subservice(),
-        tm_creator.len_written()
-    );
-    TM_REQUESTS
-        .enqueue(tm_vec)
-        .map_err(|_| TmSendError::Queue)?;
-    Ok(())
-}
-
-fn handle_tm_send_error(error: TmSendError) {
-    defmt::warn!("sending tm failed with error {}", error);
-}
-
-pub enum UartTxState {
-    // Wrapped in an option because we need an owned type later.
-    Idle(Option<TxIdle>),
-    // Same as above
-    Transmitting(Option<TxDmaTransferType>),
-}
-
-pub struct UartTxShared {
-    last_completed: Option<InstantFugit>,
-    state: UartTxState,
-}
-
-pub struct RequestWithToken {
-    token: VerificationToken<TcStateAccepted>,
-    request: Request,
-}
-
-#[derive(Debug, defmt::Format)]
-pub enum Request {
-    Ping,
-    ChangeBlinkFrequency(u32),
-}
-
-#[derive(Debug, defmt::Format)]
-pub enum RequestError {
-    InvalidApid = 1,
-    InvalidService = 2,
-    InvalidSubservice = 3,
-    NotEnoughAppData = 4,
-}
-
-pub fn convert_pus_tc_to_request(
-    tc: &PusTcReader,
-    verif_reporter: &mut VerificationReportCreator,
-    src_data_buf: &mut [u8],
-    timestamp: &[u8],
-) -> Result<RequestWithToken, RequestError> {
-    defmt::info!(
-        "Found PUS TC [{},{}] with length {}",
-        tc.service(),
-        tc.subservice(),
-        tc.len_packed()
-    );
-
-    let token = verif_reporter.add_tc(tc);
-    if tc.apid() != PUS_APID {
-        defmt::warn!("Received tc with unknown APID {}", tc.apid());
-        let result = send_tm(
-            verif_reporter
-                .acceptance_failure(
-                    src_data_buf,
-                    token,
-                    SEQ_COUNT_PROVIDER.get_and_increment(),
-                    0,
-                    FailParams::new(timestamp, &EcssEnumU16::new(0), &[]),
-                )
-                .unwrap(),
-        );
-        if let Err(e) = result {
-            handle_tm_send_error(e);
-        }
-        return Err(RequestError::InvalidApid);
-    }
-    let (tm_creator, accepted_token) = verif_reporter
-        .acceptance_success(
-            src_data_buf,
-            token,
-            SEQ_COUNT_PROVIDER.get_and_increment(),
-            0,
-            timestamp,
-        )
-        .unwrap();
-
-    if let Err(e) = send_tm(tm_creator) {
-        handle_tm_send_error(e);
-    }
-
-    if tc.service() == 17 && tc.subservice() == 1 {
-        if tc.subservice() == 1 {
-            return Ok(RequestWithToken {
-                request: Request::Ping,
-                token: accepted_token,
-            });
-        } else {
-            return Err(RequestError::InvalidSubservice);
-        }
-    } else if tc.service() == 8 {
-        if tc.subservice() == 1 {
-            if tc.user_data().len() < 4 {
-                return Err(RequestError::NotEnoughAppData);
-            }
-            let new_freq_ms = u32::from_be_bytes(tc.user_data()[0..4].try_into().unwrap());
-            return Ok(RequestWithToken {
-                request: Request::ChangeBlinkFrequency(new_freq_ms),
-                token: accepted_token,
-            });
-        } else {
-            return Err(RequestError::InvalidSubservice);
-        }
-    } else {
-        return Err(RequestError::InvalidService);
-    }
-}
-
-#[app(device = stm32f3xx_hal::pac, peripherals = true)]
-mod app {
-    use super::*;
-    use core::slice::Iter;
-    use rtic_monotonics::systick::Systick;
-    use rtic_monotonics::Monotonic;
-    use satrs::pus::verification::{TcStateStarted, VerificationReportCreator};
-    use satrs::spacepackets::{ecss::tc::PusTcReader, time::cds::P_FIELD_BASE};
-    #[allow(unused_imports)]
-    use stm32f3_discovery::leds::Direction;
-    use stm32f3_discovery::leds::Leds;
-    use stm32f3xx_hal::prelude::*;
-
-    use stm32f3_discovery::switch_hal::OutputSwitch;
-    use stm32f3xx_hal::Switch;
-    #[allow(dead_code)]
-    type SerialType = Serial<USART2, (PA2<AF7<PushPull>>, PA3<AF7<PushPull>>)>;
-
-    #[shared]
-    struct Shared {
-        blink_freq: MillisDurationU32,
-        tx_shared: UartTxShared,
-        rx_transfer: Option<RxDmaTransferType>,
-    }
-
-    #[local]
-    struct Local {
-        verif_reporter: VerificationReportCreator,
-        leds: Leds,
-        last_dir: Direction,
-        curr_dir: Iter<'static, Direction>,
-    }
-
-    #[init]
-    fn init(cx: init::Context) -> (Shared, Local) {
-        let mut rcc = cx.device.RCC.constrain();
-
-        // Initialize the systick interrupt & obtain the token to prove that we did
-        let systick_mono_token = rtic_monotonics::create_systick_token!();
-        Systick::start(cx.core.SYST, 8_000_000, systick_mono_token);
-
-        let mut flash = cx.device.FLASH.constrain();
-        let clocks = rcc
-            .cfgr
-            .use_hse(8.MHz())
-            .sysclk(8.MHz())
-            .pclk1(8.MHz())
-            .freeze(&mut flash.acr);
-
-        // Set up monotonic timer.
-        //let mono_timer = MonoTimer::new(cx.core.DWT, clocks, &mut cx.core.DCB);
-
-        defmt::info!("Starting sat-rs demo application for the STM32F3-Discovery");
-        let mut gpioe = cx.device.GPIOE.split(&mut rcc.ahb);
-
-        let leds = Leds::new(
-            gpioe.pe8,
-            gpioe.pe9,
-            gpioe.pe10,
-            gpioe.pe11,
-            gpioe.pe12,
-            gpioe.pe13,
-            gpioe.pe14,
-            gpioe.pe15,
-            &mut gpioe.moder,
-            &mut gpioe.otyper,
-        );
-        let mut gpioa = cx.device.GPIOA.split(&mut rcc.ahb);
-        // USART2 pins
-        let mut pins = (
-            // TX pin: PA2
-            gpioa
-                .pa2
-                .into_af_push_pull(&mut gpioa.moder, &mut gpioa.otyper, &mut gpioa.afrl),
-            // RX pin: PA3
-            gpioa
-                .pa3
-                .into_af_push_pull(&mut gpioa.moder, &mut gpioa.otyper, &mut gpioa.afrl),
-        );
-        pins.1.internal_pull_up(&mut gpioa.pupdr, true);
-        let mut usart2 = Serial::new(
-            cx.device.USART2,
-            pins,
-            UART_BAUD.Bd(),
-            clocks,
-            &mut rcc.apb1,
-        );
-        usart2.configure_rx_interrupt(RxEvent::Idle, Switch::On);
-        // This interrupt is enabled to re-schedule new transfers in the interrupt handler immediately.
-        usart2.configure_tx_interrupt(TxEvent::TransmissionComplete, Switch::On);
-
-        let dma1 = cx.device.DMA1.split(&mut rcc.ahb);
-        let (mut tx_serial, mut rx_serial) = usart2.split();
-
-        // This interrupt is immediately triggered, clear it. It will only be reset
-        // by the hardware when data is received on RX (RXNE event)
-        rx_serial.clear_event(RxEvent::Idle);
-        // For some reason, this is also immediately triggered..
-        tx_serial.clear_event(TxEvent::TransmissionComplete);
-        let rx_transfer = rx_serial.read_exact(unsafe { DMA_RX_BUF.as_mut_slice() }, dma1.ch6);
-        defmt::info!("Spawning tasks");
-        blink::spawn().unwrap();
-        serial_tx_handler::spawn().unwrap();
-
-        let verif_reporter = VerificationReportCreator::new(PUS_APID).unwrap();
-
-        (
-            Shared {
-                blink_freq: MillisDurationU32::from_ticks(DEFAULT_BLINK_FREQ_MS),
-                tx_shared: UartTxShared {
-                    last_completed: None,
-                    state: UartTxState::Idle(Some(TxIdle {
-                        tx: tx_serial,
-                        dma_channel: dma1.ch7,
-                    })),
-                },
-                rx_transfer: Some(rx_transfer),
-            },
-            Local {
-                verif_reporter,
-                leds,
-                last_dir: Direction::North,
-                curr_dir: Direction::iter(),
-            },
-        )
-    }
-
-    #[task(local = [leds, curr_dir, last_dir], shared=[blink_freq])]
-    async fn blink(mut cx: blink::Context) {
-        let blink::LocalResources {
-            leds,
-            curr_dir,
-            last_dir,
-            ..
-        } = cx.local;
-        let mut toggle_leds = |dir: &Direction| {
-            let last_led = leds.for_direction(*last_dir);
-            last_led.off().ok();
-            let led = leds.for_direction(*dir);
-            led.on().ok();
-            *last_dir = *dir;
-        };
-        loop {
-            match curr_dir.next() {
-                Some(dir) => {
-                    toggle_leds(dir);
-                }
-                None => {
-                    *curr_dir = Direction::iter();
-                    toggle_leds(curr_dir.next().unwrap());
-                }
-            }
-            let current_blink_freq = cx.shared.blink_freq.lock(|current| *current);
-            Systick::delay(current_blink_freq).await;
-        }
-    }
-
-    #[task(
-        shared = [tx_shared],
-    )]
-    async fn serial_tx_handler(mut cx: serial_tx_handler::Context) {
-        loop {
-            let is_idle = cx.shared.tx_shared.lock(|tx_shared| {
-                if let UartTxState::Idle(_) = tx_shared.state {
-                    return true;
-                }
-                false
-            });
-            if is_idle {
-                let last_completed = cx.shared.tx_shared.lock(|shared| shared.last_completed);
-                if let Some(last_completed) = last_completed {
-                    let elapsed_ms = (Systick::now() - last_completed).to_millis();
-                    if elapsed_ms < MIN_DELAY_BETWEEN_TX_PACKETS_MS {
-                        Systick::delay((MIN_DELAY_BETWEEN_TX_PACKETS_MS - elapsed_ms).millis())
-                            .await;
-                    }
-                }
-            } else {
-                // Check for completion after 1 ms
-                Systick::delay(1.millis()).await;
-                continue;
-            }
-            if let Some(vec) = TM_REQUESTS.dequeue() {
-                cx.shared
-                    .tx_shared
-                    .lock(|tx_shared| match &mut tx_shared.state {
-                        UartTxState::Idle(tx) => {
-                            let encoded_len;
-                            //debug!(target: "serial_tx_handler", "bytes: {:x?}", &buf[0..len]);
-                            // Safety: We only copy the data into the TX DMA buffer in this task.
-                            // If the DMA is active, another branch will be taken.
-                            unsafe {
-                                // 0 sentinel value as start marker
-                                DMA_TX_BUF[0] = 0;
-                                encoded_len =
-                                    cobs::encode(&vec[0..vec.len()], &mut DMA_TX_BUF[1..]);
-                                // Should never panic, we accounted for the overhead.
-                                // Write into transfer buffer directly, no need for intermediate
-                                // encoding buffer.
-                                // 0 end marker
-                                DMA_TX_BUF[encoded_len + 1] = 0;
-                            }
-                            //debug!(target: "serial_tx_handler", "Sending {} bytes", encoded_len + 2);
-                            //debug!("sent: {:x?}", &mut_tx_dma_buf[0..encoded_len + 2]);
-                            let tx_idle = tx.take().unwrap();
-                            // Transfer completion and re-scheduling of new TX transfers will be done
-                            // by the IRQ handler.
-                            // SAFETY: The DMA is the exclusive writer to the DMA buffer now.
-                            let transfer = tx_idle.tx.write_all(
-                                unsafe { &DMA_TX_BUF[0..encoded_len + 2] },
-                                tx_idle.dma_channel,
-                            );
-                            tx_shared.state = UartTxState::Transmitting(Some(transfer));
-                            // The memory block is automatically returned to the pool when it is dropped.
-                        }
-                        UartTxState::Transmitting(_) => (),
-                    });
-                // Check for completion after 1 ms
-                Systick::delay(1.millis()).await;
-                continue;
-            }
-            // Nothing to do, and we are idle.
-            Systick::delay(TX_HANDLER_FREQ_MS.millis()).await;
-        }
-    }
-
-    #[task(
-        local = [
-            verif_reporter,
-            decode_buf: [u8; MAX_TC_LEN] = [0; MAX_TC_LEN],
-            src_data_buf: [u8; MAX_TM_LEN] = [0; MAX_TM_LEN],
-            timestamp: [u8; 7] = [0; 7],
-        ],
-        shared = [blink_freq]
-    )]
-    async fn serial_rx_handler(
-        mut cx: serial_rx_handler::Context,
-        received_packet: Vec<u8, MAX_TC_LEN>,
-    ) {
-        cx.local.timestamp[0] = P_FIELD_BASE;
-        defmt::info!("Received packet with {} bytes", received_packet.len());
-        let decode_buf = cx.local.decode_buf;
-        let packet = received_packet.as_slice();
-        let mut start_idx = None;
-        for (idx, byte) in packet.iter().enumerate() {
-            if *byte != 0 {
-                start_idx = Some(idx);
-                break;
-            }
-        }
-        if start_idx.is_none() {
-            defmt::warn!("decoding error, can only process cobs encoded frames, data is all 0");
-            return;
-        }
-        let start_idx = start_idx.unwrap();
-        match cobs::decode(&received_packet.as_slice()[start_idx..], decode_buf) {
-            Ok(len) => {
-                defmt::info!("Decoded packet length: {}", len);
-                let pus_tc = PusTcReader::new(decode_buf);
-                match pus_tc {
-                    Ok((tc, _tc_len)) => {
-                        match convert_pus_tc_to_request(
-                            &tc,
-                            cx.local.verif_reporter,
-                            cx.local.src_data_buf,
-                            cx.local.timestamp,
-                        ) {
-                            Ok(request_with_token) => {
-                                let started_token = handle_start_verification(
-                                    request_with_token.token,
-                                    cx.local.verif_reporter,
-                                    cx.local.src_data_buf,
-                                    cx.local.timestamp,
-                                );
-
-                                match request_with_token.request {
-                                    Request::Ping => {
-                                        handle_ping_request(cx.local.timestamp);
-                                    }
-                                    Request::ChangeBlinkFrequency(new_freq_ms) => {
-                                        defmt::info!("Received blink frequency change request with new frequncy {}", new_freq_ms);
-                                        cx.shared.blink_freq.lock(|blink_freq| {
-                                            *blink_freq =
-                                                MillisDurationU32::from_ticks(new_freq_ms);
-                                        });
-                                    }
-                                }
-                                handle_completion_verification(
-                                    started_token,
-                                    cx.local.verif_reporter,
-                                    cx.local.src_data_buf,
-                                    cx.local.timestamp,
-                                );
-                            }
-                            Err(e) => {
-                                // TODO: Error handling: Send verification failure based on request error.
-                                defmt::warn!("request error {}", e);
-                            }
-                        }
-                    }
-                    Err(e) => {
-                        defmt::warn!("Error unpacking PUS TC: {}", e);
-                    }
-                }
-            }
-            Err(_) => {
-                defmt::warn!("decoding error, can only process cobs encoded frames")
-            }
-        }
-    }
-
-    fn handle_ping_request(timestamp: &[u8]) {
-        defmt::info!("Received PUS ping telecommand, sending ping reply TM[17,2]");
-        let sp_header =
-            SpHeader::new_for_unseg_tc(PUS_APID, SEQ_COUNT_PROVIDER.get_and_increment(), 0);
-        let sec_header = PusTmSecondaryHeader::new_simple(17, 2, timestamp);
-        let ping_reply = PusTmCreator::new(sp_header, sec_header, &[], true);
-        let mut tm_packet = TmPacket::new();
-        tm_packet
-            .resize(ping_reply.len_written(), 0)
-            .expect("vec resize failed");
-        ping_reply.write_to_bytes(&mut tm_packet).unwrap();
-        if TM_REQUESTS.enqueue(tm_packet).is_err() {
-            defmt::warn!("TC queue full");
-            return;
-        }
-    }
-
-    fn handle_start_verification(
-        accepted_token: VerificationToken<TcStateAccepted>,
-        verif_reporter: &mut VerificationReportCreator,
-        src_data_buf: &mut [u8],
-        timestamp: &[u8],
-    ) -> VerificationToken<TcStateStarted> {
-        let (tm_creator, started_token) = verif_reporter
-            .start_success(
-                src_data_buf,
-                accepted_token,
-                SEQ_COUNT_PROVIDER.get(),
-                0,
-                &timestamp,
-            )
-            .unwrap();
-        let result = send_tm(tm_creator);
-        if let Err(e) = result {
-            handle_tm_send_error(e);
-        }
-        started_token
-    }
-
-    fn handle_completion_verification(
-        started_token: VerificationToken<TcStateStarted>,
-        verif_reporter: &mut VerificationReportCreator,
-        src_data_buf: &mut [u8],
-        timestamp: &[u8],
-    ) {
-        let result = send_tm(
-            verif_reporter
-                .completion_success(
-                    src_data_buf,
-                    started_token,
-                    SEQ_COUNT_PROVIDER.get(),
-                    0,
-                    timestamp,
-                )
-                .unwrap(),
-        );
-        if let Err(e) = result {
-            handle_tm_send_error(e);
-        }
-    }
-
-    #[task(binds = DMA1_CH6, shared = [rx_transfer])]
-    fn rx_dma_isr(mut cx: rx_dma_isr::Context) {
-        let mut tc_packet = TcPacket::new();
-        cx.shared.rx_transfer.lock(|rx_transfer| {
-            let rx_ref = rx_transfer.as_ref().unwrap();
-            if rx_ref.is_complete() {
-                let uart_rx_owned = rx_transfer.take().unwrap();
-                let (buf, c, rx) = uart_rx_owned.stop();
-                // The received data is transferred to another task now to avoid any processing overhead
-                // during the interrupt. There are multiple ways to do this, we use a stack allocaed vector here
-                // to do this.
-                tc_packet.resize(buf.len(), 0).expect("vec resize failed");
-                tc_packet.copy_from_slice(buf);
-
-                // Start the next transfer as soon as possible.
-                *rx_transfer = Some(rx.read_exact(buf, c));
-
-                // Send the vector to a regular task.
-                serial_rx_handler::spawn(tc_packet).expect("spawning rx handler task failed");
-                // If this happens, there is a high chance that the maximum packet length was
-                // exceeded. Circular mode is not used here, so data might be missed.
-                defmt::warn!(
-                    "rx transfer with maximum length {}, might miss data",
-                    TC_BUF_LEN
-                );
-            }
-        });
-    }
-
-    #[task(binds = USART2_EXTI26, shared = [rx_transfer, tx_shared])]
-    fn serial_isr(mut cx: serial_isr::Context) {
-        cx.shared
-            .tx_shared
-            .lock(|tx_shared| match &mut tx_shared.state {
-                UartTxState::Idle(_) => (),
-                UartTxState::Transmitting(transfer) => {
-                    let transfer_ref = transfer.as_ref().unwrap();
-                    if transfer_ref.is_complete() {
-                        let transfer = transfer.take().unwrap();
-                        let (_, dma_channel, mut tx) = transfer.stop();
-                        tx.clear_event(TxEvent::TransmissionComplete);
-                        tx_shared.state = UartTxState::Idle(Some(TxIdle { tx, dma_channel }));
-                        // We cache the last completed time to ensure that there is a minimum delay between consecutive
-                        // transferred packets.
-                        tx_shared.last_completed = Some(Systick::now());
-                    }
-                }
-            });
-        let mut tc_packet = TcPacket::new();
-        cx.shared.rx_transfer.lock(|rx_transfer| {
-            let rx_transfer_ref = rx_transfer.as_ref().unwrap();
-            // Received a partial packet.
-            if rx_transfer_ref.is_event_triggered(RxEvent::Idle) {
-                let rx_transfer_owned = rx_transfer.take().unwrap();
-                let (buf, ch, mut rx, rx_len) = rx_transfer_owned.stop_and_return_received_bytes();
-                // The received data is transferred to another task now to avoid any processing overhead
-                // during the interrupt. There are multiple ways to do this, we use a stack
-                // allocated vector to do this.
-                tc_packet
-                    .resize(rx_len as usize, 0)
-                    .expect("vec resize failed");
-                tc_packet[0..rx_len as usize].copy_from_slice(&buf[0..rx_len as usize]);
-                rx.clear_event(RxEvent::Idle);
-                serial_rx_handler::spawn(tc_packet).expect("spawning rx handler failed");
-                *rx_transfer = Some(rx.read_exact(buf, ch));
-            }
-        });
-    }
-}

satrs-example/CHANGELOG.md

@@ -7,3 +7,13 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
 # [unreleased]
+
+# [v0.1.1] 2024-02-21
+
+satrs v0.2.0-rc.0
+satrs-mib v0.1.1
+
+# [v0.1.0] 2024-02-13
+
+satrs v0.1.1
+satrs-mib v0.1.0

satrs-example/Cargo.toml

@@ -1,39 +1,41 @@
 [package]
 name = "satrs-example"
 version = "0.1.1"
-edition = "2021"
+edition = "2024"
 authors = ["Robin Mueller <muellerr@irs.uni-stuttgart.de>"]
 default-run = "satrs-example"
 homepage = "https://egit.irs.uni-stuttgart.de/rust/sat-rs"
 repository = "https://egit.irs.uni-stuttgart.de/rust/sat-rs"
 
 [dependencies]
-fern = "0.6"
+fern = "0.7"
 chrono = "0.4"
 log = "0.4"
 crossbeam-channel = "0.5"
-delegate = "0.10"
-zerocopy = "0.6"
+delegate = "0.13"
+zerocopy = "0.8"
 csv = "1"
 num_enum = "0.7"
-thiserror = "1"
+thiserror = "2"
 lazy_static = "1"
-strum = { version = "0.26", features = ["derive"] }
-derive-new = "0.5"
+strum = { version = "0.28", features = ["derive"] }
+derive-new = "0.7"
+cfg-if = "1"
+arbitrary-int = "2"
+bitbybit = "2"
+postcard = "1"
+ctrlc = "3"
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 
-[dependencies.satrs]
-path = "../satrs"
-features = ["test_util"]
-
-[dependencies.satrs-mib]
-version = "0.1.1"
-path = "../satrs-mib"
+satrs = { path = "../satrs", features = ["test_util"] }
+models = { path = "./models" }
+satrs-minisim = { path = "./minisim" }
+satrs-mib = { path = "../satrs-mib" }
 
 [features]
-dyn_tmtc = []
-default = ["dyn_tmtc"]
+# default = ["heap_tmtc"]
+# heap_tmtc = []
 
 [dev-dependencies]
 env_logger = "0.11"

satrs-example/README.md

@@ -14,7 +14,7 @@ You can run the application using `cargo run`.
 
 # Features
 
-The example has the `dyn_tmtc` feature which is enabled by default. With this feature enabled,
+The example has the `heap_tmtc` feature which is enabled by default. With this feature enabled,
 TMTC packets are exchanged using the heap as the backing memory instead of pre-allocated static
 stores.
 
@@ -48,16 +48,17 @@ It is recommended to use a virtual environment to do this. To set up one in the
 you can use `python3 -m venv venv` on Unix systems or `py -m venv venv` on Windows systems.
 After doing this, you can check the [venv tutorial](https://docs.python.org/3/tutorial/venv.html)
 on how to activate the environment and then use the following command to install the required
-dependency:
+dependency interactively:
 
 ```sh
-pip install -r requirements.txt
+pip install -e .
 ```
 
 Alternatively, if you would like to use the GUI functionality provided by `tmtccmd`, you can also
 install it manually with
 
 ```sh
+pip install -e .
 pip install tmtccmd[gui]
 ```
 
@@ -72,3 +73,22 @@ the `simpleclient`:
 ```
 
 You can also simply call the script without any arguments to view the command tree.
+
+## Adding the mini simulator application
+
+This example application features a few device handlers. The
+[`satrs-minisim`](https://egit.irs.uni-stuttgart.de/rust/sat-rs/src/branch/main/satrs-minisim)
+can be used to simulate the physical devices managed by these device handlers.
+
+The example application will attempt communication with the mini simulator on UDP port 7303.
+If this works, the device handlers will use communication interfaces dedicated to the communication
+with the mini simulator. Otherwise, they will be replaced by dummy interfaces which either
+return constant values or behave like ideal devices.
+
+In summary, you can use the following command command to run the mini-simulator first:
+
+```sh
+cargo run -p satrs-minisim
+```
+
+and then start the example using `cargo run -p satrs-example`.

satrs-example/client/Cargo.toml

@@ -0,0 +1,19 @@
+[package]
+name = "client"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+clap = { version = "4", features = ["derive"] }
+log = "0.4"
+fern = "0.7"
+humantime = "2"
+serde = { version = "1" }
+satrs-example = { path = ".." }
+models = { path = "../models" }
+spacepackets = { version = "0.17", git = "https://egit.irs.uni-stuttgart.de/rust/spacepackets.git", default-features = false }
+bitbybit = "2"
+arbitrary-int = "2"
+ctrlc = { version = "3.5" }
+postcard = { version = "1" }
+anyhow = "1"

satrs-example/client/src/main.rs

@@ -0,0 +1,334 @@
+use anyhow::bail;
+use arbitrary_int::u11;
+use clap::Parser as _;
+use models::{Apid, MessageType, TcHeader, mgm::request::HkRequest};
+use satrs_example::config::{OBSW_SERVER_ADDR, SERVER_PORT};
+use spacepackets::{CcsdsPacketIdAndPsc, SpacePacketHeader};
+use std::{
+    net::{IpAddr, SocketAddr, UdpSocket},
+    sync::{
+        Arc,
+        atomic::{AtomicBool, Ordering},
+    },
+    time::{Duration, SystemTime},
+};
+
+#[derive(clap::Parser)]
+pub struct Cli {
+    #[arg(short, long)]
+    ping: bool,
+    #[arg(short, long)]
+    test_event: bool,
+
+    #[command(subcommand)]
+    commands: Option<Commands>,
+}
+
+#[derive(clap::Subcommand)]
+enum Commands {
+    Mgm0(MgmArgs),
+    Mgm1(MgmArgs),
+    MgmAssy(MgmAssemblyArgs),
+}
+
+impl Commands {
+    #[inline]
+    pub fn target_id(&self) -> models::ComponentId {
+        match self {
+            Commands::Mgm0(_mgm_args) => models::ComponentId::AcsMgm0,
+            Commands::Mgm1(_mgm_args) => models::ComponentId::AcsMgm1,
+            Commands::MgmAssy(_mgm_assembly_args) => models::ComponentId::AcsMgmAssembly,
+        }
+    }
+}
+
+#[derive(Debug, PartialEq, Eq, Clone, Copy, clap::Parser)]
+struct MgmArgs {
+    #[arg(short, long)]
+    ping: bool,
+    #[arg(long)]
+    request_hk: bool,
+    #[arg(short, long)]
+    mode: Option<DeviceModeSelect>,
+}
+
+#[derive(Debug, PartialEq, Eq, Clone, Copy, clap::Parser)]
+struct MgmAssemblyArgs {
+    #[arg(short, long)]
+    ping: bool,
+    #[arg(short, long)]
+    mode: Option<AssemblyModeSelect>,
+}
+
+#[derive(Debug, PartialEq, Eq, Clone, Copy, clap::ValueEnum)]
+pub enum DeviceModeSelect {
+    Off,
+    Normal,
+}
+
+#[derive(Debug, PartialEq, Eq, Clone, Copy, clap::ValueEnum)]
+pub enum AssemblyModeSelect {
+    NoModeKeeping,
+    Off,
+    Normal,
+}
+
+fn setup_logger(level: log::LevelFilter) -> Result<(), fern::InitError> {
+    fern::Dispatch::new()
+        .format(|out, message, record| {
+            out.finish(format_args!(
+                "[{} {} {}] {}",
+                humantime::format_rfc3339_seconds(SystemTime::now()),
+                record.level(),
+                record.target(),
+                message
+            ))
+        })
+        .level(level)
+        .chain(std::io::stdout())
+        .chain(fern::log_file("output.log")?)
+        .apply()?;
+    Ok(())
+}
+
+fn main() -> anyhow::Result<()> {
+    setup_logger(log::LevelFilter::Debug).unwrap();
+    let kill_signal = Arc::new(AtomicBool::new(false));
+    let ctrl_kill_signal = kill_signal.clone();
+    ctrlc::set_handler(move || ctrl_kill_signal.store(true, Ordering::Relaxed)).unwrap();
+    let cli = Cli::parse();
+
+    let addr = SocketAddr::new(IpAddr::V4(OBSW_SERVER_ADDR), SERVER_PORT);
+    let client = UdpSocket::bind("127.0.0.1:7302").expect("Connecting to UDP server failed");
+    client.set_nonblocking(true)?;
+    client.set_read_timeout(Some(Duration::from_millis(200)))?;
+
+    if cli.ping {
+        let request = models::ccsds::CcsdsTcPacketOwned::new_with_request(
+            SpacePacketHeader::new_from_apid(u11::new(Apid::Tmtc as u16)),
+            TcHeader::new(models::ComponentId::Controller, models::MessageType::Ping),
+            models::control::request::Request::Ping,
+        );
+        let sent_tc_id = CcsdsPacketIdAndPsc::new_from_ccsds_packet(&request.sp_header);
+        log::info!("sending ping request with TC ID {:#010x}", sent_tc_id.raw());
+        let request_packet = request.to_vec();
+        client.send_to(&request_packet, addr).unwrap();
+    }
+    if cli.test_event {
+        let request = models::ccsds::CcsdsTcPacketOwned::new_with_request(
+            SpacePacketHeader::new_from_apid(u11::new(Apid::Tmtc as u16)),
+            TcHeader::new(models::ComponentId::Controller, models::MessageType::Event),
+            models::control::request::Request::TestEvent,
+        );
+        let sent_tc_id = CcsdsPacketIdAndPsc::new_from_ccsds_packet(&request.sp_header);
+        log::info!(
+            "sending event request with TC ID {:#010x}",
+            sent_tc_id.raw()
+        );
+        let request_packet = request.to_vec();
+        client.send_to(&request_packet, addr).unwrap();
+    }
+    if let Some(cmd) = cli.commands {
+        let target_id = cmd.target_id();
+        match cmd {
+            Commands::Mgm0(args) | Commands::Mgm1(args) => {
+                if args.ping {
+                    let request = models::ccsds::CcsdsTcPacketOwned::new_with_request(
+                        SpacePacketHeader::new_from_apid(u11::new(Apid::Acs as u16)),
+                        TcHeader::new(cmd.target_id(), models::MessageType::Ping),
+                        models::mgm::request::Request::Ping,
+                    );
+                    let sent_tc_id = CcsdsPacketIdAndPsc::new_from_ccsds_packet(&request.sp_header);
+                    log::info!(
+                        "sending {:?} ping request with TC ID {:#010x}",
+                        target_id,
+                        sent_tc_id.raw()
+                    );
+                    let request_packet = request.to_vec();
+                    client.send_to(&request_packet, addr).unwrap();
+                }
+                if args.request_hk {
+                    let request = models::ccsds::CcsdsTcPacketOwned::new_with_request(
+                        SpacePacketHeader::new_from_apid(u11::new(Apid::Acs as u16)),
+                        TcHeader::new(target_id, models::MessageType::Hk),
+                        models::mgm::request::Request::Hk(HkRequest {
+                            id: models::mgm::request::HkId::Sensor,
+                            req_type: models::HkRequestType::OneShot,
+                        }),
+                    );
+                    let sent_tc_id = CcsdsPacketIdAndPsc::new_from_ccsds_packet(&request.sp_header);
+                    log::info!(
+                        "sending {:?} HK request with TC ID {:#010x}",
+                        target_id,
+                        sent_tc_id.raw()
+                    );
+                    let request_packet = request.to_vec();
+                    client.send_to(&request_packet, addr).unwrap();
+                }
+                if let Some(mode) = args.mode {
+                    let dev_mode = match mode {
+                        DeviceModeSelect::Off => models::DeviceMode::Off,
+                        DeviceModeSelect::Normal => models::DeviceMode::Normal,
+                    };
+
+                    let request = models::ccsds::CcsdsTcPacketOwned::new_with_request(
+                        SpacePacketHeader::new_from_apid(u11::new(Apid::Acs as u16)),
+                        TcHeader::new(target_id, models::MessageType::Mode),
+                        models::mgm::request::Request::Mode(
+                            models::mgm::request::ModeRequest::SetMode(dev_mode),
+                        ),
+                    );
+                    let sent_tc_id = CcsdsPacketIdAndPsc::new_from_ccsds_packet(&request.sp_header);
+                    log::info!(
+                        "sending {:?} HK request with TC ID {:#010x}",
+                        target_id,
+                        sent_tc_id.raw()
+                    );
+                    let request_packet = request.to_vec();
+                    client.send_to(&request_packet, addr).unwrap();
+                }
+            }
+            Commands::MgmAssy(mgm_assembly_args) => {
+                if mgm_assembly_args.ping {
+                    let request = models::ccsds::CcsdsTcPacketOwned::new_with_request(
+                        SpacePacketHeader::new_from_apid(u11::new(Apid::Acs as u16)),
+                        TcHeader::new(cmd.target_id(), models::MessageType::Ping),
+                        models::mgm::request::Request::Ping,
+                    );
+                    let sent_tc_id = CcsdsPacketIdAndPsc::new_from_ccsds_packet(&request.sp_header);
+                    log::info!(
+                        "sending {:?} ping request with TC ID {:#010x}",
+                        target_id,
+                        sent_tc_id.raw()
+                    );
+                    let request_packet = request.to_vec();
+                    client.send_to(&request_packet, addr).unwrap();
+                }
+                if let Some(mode) = mgm_assembly_args.mode {
+                    let assembly_mode = match mode {
+                        AssemblyModeSelect::NoModeKeeping => {
+                            models::mgm_assembly::AssemblyMode::NoModeKeeping
+                        }
+                        AssemblyModeSelect::Off => {
+                            models::mgm_assembly::AssemblyMode::Device(models::DeviceMode::Off)
+                        }
+                        AssemblyModeSelect::Normal => {
+                            models::mgm_assembly::AssemblyMode::Device(models::DeviceMode::Normal)
+                        }
+                    };
+
+                    let request = models::ccsds::CcsdsTcPacketOwned::new_with_request(
+                        SpacePacketHeader::new_from_apid(u11::new(Apid::Acs as u16)),
+                        TcHeader::new(target_id, models::MessageType::Mode),
+                        models::mgm_assembly::request::Request::Mode(
+                            models::mgm_assembly::request::ModeRequest::SetMode(assembly_mode),
+                        ),
+                    );
+                    let sent_tc_id = CcsdsPacketIdAndPsc::new_from_ccsds_packet(&request.sp_header);
+                    log::info!(
+                        "sending {:?} HK request with TC ID {:#010x}",
+                        target_id,
+                        sent_tc_id.raw()
+                    );
+                    let request_packet = request.to_vec();
+                    client.send_to(&request_packet, addr).unwrap();
+                }
+            }
+        }
+    }
+
+    let mut recv_buf: Box<[u8; 2048]> = Box::new([0; 2048]);
+    log::info!("entering listening loop");
+    loop {
+        if kill_signal.load(std::sync::atomic::Ordering::Relaxed) {
+            log::info!("received kill signal, exiting");
+            break;
+        }
+        match client.recv(recv_buf.as_mut_slice()) {
+            Ok(received_bytes) => handle_raw_tm_packet(&recv_buf.as_slice()[0..received_bytes])?,
+            Err(e) => {
+                if e.kind() == std::io::ErrorKind::WouldBlock
+                    || e.kind() == std::io::ErrorKind::TimedOut
+                {
+                    continue;
+                }
+                log::warn!("UDP reception error: {}", e)
+            }
+        }
+    }
+    Ok(())
+}
+
+fn handle_raw_tm_packet(data: &[u8]) -> anyhow::Result<()> {
+    match spacepackets::CcsdsPacketReader::new_with_checksum(data) {
+        Ok(packet) => {
+            let tm_header_result =
+                postcard::take_from_bytes::<models::TmHeader>(packet.user_data());
+            if let Err(e) = tm_header_result {
+                bail!("Failed to deserialize TM header: {}", e);
+            }
+            let (tm_header, remainder) = tm_header_result.unwrap();
+            if let Some(tc_id) = tm_header.tc_id {
+                log::info!(
+                    "Received TM with APID {} and from sender {:?} for TC ID {:#010x}",
+                    packet.apid(),
+                    tm_header.sender_id,
+                    tc_id.raw()
+                );
+            } else {
+                log::info!(
+                    "Received unsolicited TM with APID {} and from sender {:?}",
+                    packet.apid(),
+                    tm_header.sender_id,
+                );
+            }
+            if tm_header.message_type == MessageType::Event {
+                let response = postcard::from_bytes::<models::Event>(remainder);
+                log::info!(
+                    "Received event from {:?}: {:?}",
+                    tm_header.sender_id,
+                    response.unwrap()
+                );
+                return Ok(());
+            }
+            match tm_header.sender_id {
+                models::ComponentId::EpsPcdu => {
+                    let response =
+                        postcard::from_bytes::<models::pcdu::response::Response>(remainder);
+                    log::info!("Received response from PCDU: {:?}", response.unwrap());
+                }
+                models::ComponentId::Controller => {
+                    let response =
+                        postcard::from_bytes::<models::control::response::Response>(remainder);
+                    log::info!("Received response from controller: {:?}", response.unwrap());
+                }
+                models::ComponentId::AcsSubsystem => todo!(),
+                models::ComponentId::AcsMgmAssembly => {
+                    let response =
+                        postcard::from_bytes::<models::mgm_assembly::response::Response>(remainder);
+                    log::info!(
+                        "Received response from MGM Assembly: {:?}",
+                        response.unwrap()
+                    );
+                }
+                models::ComponentId::AcsMgm0 => {
+                    let response =
+                        postcard::from_bytes::<models::mgm::response::Response>(remainder);
+                    log::info!("Received response from MGM0: {:?}", response.unwrap());
+                }
+                models::ComponentId::AcsMgm1 => {
+                    let response =
+                        postcard::from_bytes::<models::mgm::response::Response>(remainder);
+                    log::info!("Received response from MGM1: {:?}", response.unwrap());
+                }
+                models::ComponentId::EpsSubsystem => todo!(),
+                models::ComponentId::UdpServer => todo!(),
+                models::ComponentId::TcpServer => todo!(),
+                models::ComponentId::Ground => todo!(),
+                models::ComponentId::EventManager => {}
+            }
+        }
+        Err(_) => todo!(),
+    }
+    Ok(())
+}

satrs-example/minisim/Cargo.toml

@@ -0,0 +1,24 @@
+[package]
+name = "satrs-minisim"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+serde = { version = "1", features = ["derive"] }
+serde_json = "1"
+log = "0.4"
+thiserror = "2"
+fern = "0.7"
+strum = { version = "0.28", features = ["derive"] }
+num_enum = "0.7"
+humantime = "2"
+tai-time = { version = "0.3", features = ["serde"] }
+nexosim = { version = "0.3.1" }
+
+satrs = { path = "../../satrs" }
+models = { path = "../models" }
+
+[dev-dependencies]
+delegate = "0.13"

satrs-example/minisim/README.md

@@ -0,0 +1,32 @@
+sat-rs minisim
+======
+
+This crate contains a mini-simulator based on the open-source discrete-event simulation framework
+[asynchronix](https://github.com/asynchronics/asynchronix).
+
+Right now, this crate is primarily used together with the
+[`satrs-example` application](https://egit.irs.uni-stuttgart.de/rust/sat-rs/src/branch/main/satrs-example)
+to simulate the devices connected to the example application.
+
+You can simply run this application using
+
+```sh
+cargo run
+```
+
+or
+
+```sh
+cargo run -p satrs-minisim
+```
+
+in the workspace. The mini simulator uses the UDP port 7303 to exchange simulation requests and
+simulation replies with any other application.
+
+The simulator was designed in a modular way to be scalable and adaptable to other communication
+schemes. This might allow it to serve a mini-simulator for other example applications which
+still have similar device handlers.
+
+The following graph shows the high-level architecture of the mini-simulator.
+
+<img src="../images/minisim-arch/minisim-arch.png" alt="Mini simulator architecture" width="500" class="center"/>

satrs-example/minisim/src/acs.rs

@@ -1,19 +1,22 @@
 use std::{f32::consts::PI, sync::mpsc, time::Duration};
 
-use asynchronix::{
-    model::{Model, Output},
-    time::Scheduler,
+use models::pcdu::SwitchStateBinary;
+use nexosim::{
+    model::{Context, Model},
+    ports::Output,
 };
-use satrs::power::SwitchStateBinary;
 use satrs_minisim::{
-    acs::{MgmReply, MgmSensorValues, MgtDipole, MgtHkSet, MgtReply, MGT_GEN_MAGNETIC_FIELD},
+    acs::{
+        lis3mdl::MgmLis3MdlReply, MgmReplyCommon, MgmReplyProvider, MgmSensorValuesMicroTesla,
+        MgtDipole, MgtHkSet, MgtReply, MGT_GEN_MAGNETIC_FIELD,
+    },
     SimReply,
 };
 
 use crate::time::current_millis;
 
-// Earth magnetic field varies between -30 uT and 30 uT
-const AMPLITUDE_MGM: f32 = 0.03;
+// Earth magnetic field varies between roughly -30 uT and 30 uT
+const AMPLITUDE_MGM_UT: f32 = 30.0;
 // Lets start with a simple frequency here.
 const FREQUENCY_MGM: f32 = 1.0;
 const PHASE_X: f32 = 0.0;
@@ -23,38 +26,38 @@ const PHASE_Z: f32 = 0.2;
 
 /// Simple model for a magnetometer where the measure magnetic fields are modeled with sine waves.
 ///
-/// Please note that that a more realistic MGM model wouold include the following components
-/// which are not included here to simplify the model:
-///
-/// 1. It would probably generate signed [i16] values which need to be converted to SI units
-///    because it is a digital sensor
-/// 2. It would sample the magnetic field at a high fixed rate. This might not be possible for
-///    a general purpose OS, but self self-sampling at a relatively high rate (20-40 ms) might
-///    stil lbe possible.
-pub struct MagnetometerModel {
+/// An ideal sensor would sample the magnetic field at a high fixed rate. This might not be
+/// possible for a general purpose OS, but self self-sampling at a relatively high rate (20-40 ms)
+/// might still be possible and is probably sufficient for many OBSW needs.
+pub struct MagnetometerModel<ReplyProvider: MgmReplyProvider> {
     pub switch_state: SwitchStateBinary,
+    #[allow(dead_code)]
     pub periodicity: Duration,
-    pub external_mag_field: Option<MgmSensorValues>,
+    pub external_mag_field: Option<MgmSensorValuesMicroTesla>,
     pub reply_sender: mpsc::Sender<SimReply>,
+    pub phatom: std::marker::PhantomData<ReplyProvider>,
 }
 
-impl MagnetometerModel {
-    pub fn new(periodicity: Duration, reply_sender: mpsc::Sender<SimReply>) -> Self {
+impl MagnetometerModel<MgmLis3MdlReply> {
+    pub fn new_for_lis3mdl(periodicity: Duration, reply_sender: mpsc::Sender<SimReply>) -> Self {
         Self {
             switch_state: SwitchStateBinary::Off,
             periodicity,
             external_mag_field: None,
             reply_sender,
+            phatom: std::marker::PhantomData,
         }
     }
+}
 
+impl<ReplyProvider: MgmReplyProvider> MagnetometerModel<ReplyProvider> {
     pub async fn switch_device(&mut self, switch_state: SwitchStateBinary) {
         self.switch_state = switch_state;
     }
 
-    pub async fn send_sensor_values(&mut self, _: (), scheduler: &Scheduler<Self>) {
+    pub async fn send_sensor_values(&mut self, _: (), scheduler: &mut Context<Self>) {
         self.reply_sender
-            .send(SimReply::new(MgmReply {
+            .send(ReplyProvider::create_mgm_reply(MgmReplyCommon {
                 switch_state: self.switch_state,
                 sensor_values: self.calculate_current_mgm_tuple(current_millis(scheduler.time())),
             }))
@@ -63,23 +66,23 @@ impl MagnetometerModel {
 
     // Devices like magnetorquers generate a strong magnetic field which overrides the default
     // model for the measured magnetic field.
-    pub async fn apply_external_magnetic_field(&mut self, field: MgmSensorValues) {
+    pub async fn apply_external_magnetic_field(&mut self, field: MgmSensorValuesMicroTesla) {
         self.external_mag_field = Some(field);
     }
 
-    fn calculate_current_mgm_tuple(&self, time_ms: u64) -> MgmSensorValues {
+    fn calculate_current_mgm_tuple(&self, time_ms: u64) -> MgmSensorValuesMicroTesla {
         if SwitchStateBinary::On == self.switch_state {
             if let Some(ext_field) = self.external_mag_field {
                 return ext_field;
             }
             let base_sin_val = 2.0 * PI * FREQUENCY_MGM * (time_ms as f32 / 1000.0);
-            return MgmSensorValues {
-                x: AMPLITUDE_MGM * (base_sin_val + PHASE_X).sin(),
-                y: AMPLITUDE_MGM * (base_sin_val + PHASE_Y).sin(),
-                z: AMPLITUDE_MGM * (base_sin_val + PHASE_Z).sin(),
+            return MgmSensorValuesMicroTesla {
+                x: AMPLITUDE_MGM_UT * (base_sin_val + PHASE_X).sin(),
+                y: AMPLITUDE_MGM_UT * (base_sin_val + PHASE_Y).sin(),
+                z: AMPLITUDE_MGM_UT * (base_sin_val + PHASE_Z).sin(),
             };
         }
-        MgmSensorValues {
+        MgmSensorValuesMicroTesla {
             x: 0.0,
             y: 0.0,
             z: 0.0,
@@ -87,13 +90,13 @@ impl MagnetometerModel {
     }
 }
 
-impl Model for MagnetometerModel {}
+impl<ReplyProvider: MgmReplyProvider> Model for MagnetometerModel<ReplyProvider> {}
 
 pub struct MagnetorquerModel {
     switch_state: SwitchStateBinary,
     torquing: bool,
     torque_dipole: MgtDipole,
-    pub gen_magnetic_field: Output<MgmSensorValues>,
+    pub gen_magnetic_field: Output<MgmSensorValuesMicroTesla>,
     reply_sender: mpsc::Sender<SimReply>,
 }
 
@@ -111,11 +114,11 @@ impl MagnetorquerModel {
     pub async fn apply_torque(
         &mut self,
         duration_and_dipole: (Duration, MgtDipole),
-        scheduler: &Scheduler<Self>,
+        cx: &mut Context<Self>,
     ) {
         self.torque_dipole = duration_and_dipole.1;
         self.torquing = true;
-        if scheduler
+        if cx
             .schedule_event(duration_and_dipole.0, Self::clear_torque, ())
             .is_err()
         {
@@ -135,25 +138,24 @@ impl MagnetorquerModel {
         self.generate_magnetic_field(()).await;
     }
 
-    pub async fn request_housekeeping_data(&mut self, _: (), scheduler: &Scheduler<Self>) {
+    pub async fn request_housekeeping_data(&mut self, _: (), cx: &mut Context<Self>) {
         if self.switch_state != SwitchStateBinary::On {
             return;
         }
-        scheduler
-            .schedule_event(Duration::from_millis(15), Self::send_housekeeping_data, ())
+        cx.schedule_event(Duration::from_millis(15), Self::send_housekeeping_data, ())
             .expect("requesting housekeeping data failed")
     }
 
     pub fn send_housekeeping_data(&mut self) {
         self.reply_sender
-            .send(SimReply::new(MgtReply::Hk(MgtHkSet {
+            .send(SimReply::new(&MgtReply::Hk(MgtHkSet {
                 dipole: self.torque_dipole,
                 torquing: self.torquing,
             })))
             .unwrap();
     }
 
-    fn calc_magnetic_field(&self, _: MgtDipole) -> MgmSensorValues {
+    fn calc_magnetic_field(&self, _: MgtDipole) -> MgmSensorValuesMicroTesla {
         // Simplified model: Just returns some fixed magnetic field for now.
         // Later, we could make this more fancy by incorporating the commanded dipole.
         MGT_GEN_MAGNETIC_FIELD
@@ -177,11 +179,13 @@ impl Model for MagnetorquerModel {}
 pub mod tests {
     use std::time::Duration;
 
-    use satrs::power::SwitchStateBinary;
+    use models::pcdu::{SwitchId, SwitchStateBinary};
     use satrs_minisim::{
-        acs::{MgmReply, MgmRequest, MgtDipole, MgtHkSet, MgtReply, MgtRequest},
-        eps::PcduSwitch,
-        SerializableSimMsgPayload, SimMessageProvider, SimRequest, SimTarget,
+        acs::{
+            lis3mdl::{self, MgmLis3MdlReply},
+            MgmRequestLis3Mdl, MgtDipole, MgtHkSet, MgtReply, MgtRequest,
+        },
+        SerializableSimMsgPayload, SimComponent, SimMessageProvider, SimRequest,
     };
 
     use crate::{eps::tests::switch_device_on, test_helpers::SimTestbench};
@@ -189,55 +193,71 @@ pub mod tests {
     #[test]
     fn test_basic_mgm_request() {
         let mut sim_testbench = SimTestbench::new();
-        let request = SimRequest::new(MgmRequest::RequestSensorData);
+        let request = SimRequest::new_with_epoch_time(MgmRequestLis3Mdl::RequestSensorData);
         sim_testbench
             .send_request(request)
             .expect("sending MGM request failed");
-        sim_testbench.handle_sim_requests();
-        sim_testbench.step();
+        sim_testbench.handle_sim_requests_time_agnostic();
+        sim_testbench.step().unwrap();
         let sim_reply = sim_testbench.try_receive_next_reply();
         assert!(sim_reply.is_some());
         let sim_reply = sim_reply.unwrap();
-        assert_eq!(sim_reply.target(), SimTarget::Mgm);
-        let reply = MgmReply::from_sim_message(&sim_reply)
+        assert_eq!(sim_reply.component(), SimComponent::Mgm0Lis3Mdl);
+        let reply = MgmLis3MdlReply::from_sim_message(&sim_reply)
             .expect("failed to deserialize MGM sensor values");
-        assert_eq!(reply.switch_state, SwitchStateBinary::Off);
-        assert_eq!(reply.sensor_values.x, 0.0);
-        assert_eq!(reply.sensor_values.y, 0.0);
-        assert_eq!(reply.sensor_values.z, 0.0);
+        assert_eq!(reply.common.switch_state, SwitchStateBinary::Off);
+        assert_eq!(reply.common.sensor_values.x, 0.0);
+        assert_eq!(reply.common.sensor_values.y, 0.0);
+        assert_eq!(reply.common.sensor_values.z, 0.0);
     }
 
     #[test]
     fn test_basic_mgm_request_switched_on() {
         let mut sim_testbench = SimTestbench::new();
-        switch_device_on(&mut sim_testbench, PcduSwitch::Mgm);
+        switch_device_on(&mut sim_testbench, SwitchId::Mgm0);
 
-        let mut request = SimRequest::new(MgmRequest::RequestSensorData);
+        let mut request = SimRequest::new_with_epoch_time(MgmRequestLis3Mdl::RequestSensorData);
         sim_testbench
             .send_request(request)
             .expect("sending MGM request failed");
-        sim_testbench.handle_sim_requests();
-        sim_testbench.step();
+        sim_testbench.handle_sim_requests_time_agnostic();
+        sim_testbench.step().unwrap();
         let mut sim_reply_res = sim_testbench.try_receive_next_reply();
         assert!(sim_reply_res.is_some());
         let mut sim_reply = sim_reply_res.unwrap();
-        assert_eq!(sim_reply.target(), SimTarget::Mgm);
-        let first_reply = MgmReply::from_sim_message(&sim_reply)
+        assert_eq!(sim_reply.component(), SimComponent::Mgm0Lis3Mdl);
+        let first_reply = MgmLis3MdlReply::from_sim_message(&sim_reply)
             .expect("failed to deserialize MGM sensor values");
-        sim_testbench.step_by(Duration::from_millis(50));
+        sim_testbench.step_until(Duration::from_millis(50)).unwrap();
 
-        request = SimRequest::new(MgmRequest::RequestSensorData);
+        request = SimRequest::new_with_epoch_time(MgmRequestLis3Mdl::RequestSensorData);
         sim_testbench
             .send_request(request)
             .expect("sending MGM request failed");
-        sim_testbench.handle_sim_requests();
-        sim_testbench.step();
+        sim_testbench.handle_sim_requests_time_agnostic();
+        sim_testbench.step().unwrap();
         sim_reply_res = sim_testbench.try_receive_next_reply();
         assert!(sim_reply_res.is_some());
         sim_reply = sim_reply_res.unwrap();
 
-        let second_reply = MgmReply::from_sim_message(&sim_reply)
+        let second_reply = MgmLis3MdlReply::from_sim_message(&sim_reply)
             .expect("failed to deserialize MGM sensor values");
+        let x_conv_back = second_reply.raw.x as f32
+            * lis3mdl::FIELD_LSB_PER_GAUSS_4_SENS
+            * lis3mdl::GAUSS_TO_MICROTESLA_FACTOR as f32;
+        let y_conv_back = second_reply.raw.y as f32
+            * lis3mdl::FIELD_LSB_PER_GAUSS_4_SENS
+            * lis3mdl::GAUSS_TO_MICROTESLA_FACTOR as f32;
+        let z_conv_back = second_reply.raw.z as f32
+            * lis3mdl::FIELD_LSB_PER_GAUSS_4_SENS
+            * lis3mdl::GAUSS_TO_MICROTESLA_FACTOR as f32;
+        let diff_x = (second_reply.common.sensor_values.x - x_conv_back).abs();
+        assert!(diff_x < 0.01, "diff x too large: {}", diff_x);
+        let diff_y = (second_reply.common.sensor_values.y - y_conv_back).abs();
+        assert!(diff_y < 0.01, "diff y too large: {}", diff_y);
+        let diff_z = (second_reply.common.sensor_values.z - z_conv_back).abs();
+        assert!(diff_z < 0.01, "diff z too large: {}", diff_z);
+        // assert_eq!(second_reply.raw_reply, SwitchStateBinary::On);
         // Check that the values are changing.
         assert!(first_reply != second_reply);
     }
@@ -245,12 +265,12 @@ pub mod tests {
     #[test]
     fn test_basic_mgt_request_is_off() {
         let mut sim_testbench = SimTestbench::new();
-        let request = SimRequest::new(MgtRequest::RequestHk);
+        let request = SimRequest::new_with_epoch_time(MgtRequest::RequestHk);
         sim_testbench
             .send_request(request)
             .expect("sending MGM request failed");
-        sim_testbench.handle_sim_requests();
-        sim_testbench.step();
+        sim_testbench.handle_sim_requests_time_agnostic();
+        sim_testbench.step().unwrap();
         let sim_reply_res = sim_testbench.try_receive_next_reply();
         assert!(sim_reply_res.is_none());
     }
@@ -258,14 +278,14 @@ pub mod tests {
     #[test]
     fn test_basic_mgt_request_is_on() {
         let mut sim_testbench = SimTestbench::new();
-        switch_device_on(&mut sim_testbench, PcduSwitch::Mgt);
-        let request = SimRequest::new(MgtRequest::RequestHk);
+        switch_device_on(&mut sim_testbench, SwitchId::Mgt);
+        let request = SimRequest::new_with_epoch_time(MgtRequest::RequestHk);
 
         sim_testbench
             .send_request(request)
             .expect("sending MGM request failed");
-        sim_testbench.handle_sim_requests();
-        sim_testbench.step();
+        sim_testbench.handle_sim_requests_time_agnostic();
+        sim_testbench.step().unwrap();
         let sim_reply_res = sim_testbench.try_receive_next_reply();
         assert!(sim_reply_res.is_some());
         let sim_reply = sim_reply_res.unwrap();
@@ -281,12 +301,12 @@ pub mod tests {
     }
 
     fn check_mgt_hk(sim_testbench: &mut SimTestbench, expected_hk_set: MgtHkSet) {
-        let request = SimRequest::new(MgtRequest::RequestHk);
+        let request = SimRequest::new_with_epoch_time(MgtRequest::RequestHk);
         sim_testbench
             .send_request(request)
             .expect("sending MGM request failed");
-        sim_testbench.handle_sim_requests();
-        sim_testbench.step();
+        sim_testbench.handle_sim_requests_time_agnostic();
+        sim_testbench.step().unwrap();
         let sim_reply_res = sim_testbench.try_receive_next_reply();
         assert!(sim_reply_res.is_some());
         let sim_reply = sim_reply_res.unwrap();
@@ -303,21 +323,21 @@ pub mod tests {
     #[test]
     fn test_basic_mgt_request_is_on_and_torquing() {
         let mut sim_testbench = SimTestbench::new();
-        switch_device_on(&mut sim_testbench, PcduSwitch::Mgt);
+        switch_device_on(&mut sim_testbench, SwitchId::Mgt);
         let commanded_dipole = MgtDipole {
             x: -200,
             y: 200,
             z: 1000,
         };
-        let request = SimRequest::new(MgtRequest::ApplyTorque {
+        let request = SimRequest::new_with_epoch_time(MgtRequest::ApplyTorque {
             duration: Duration::from_millis(100),
             dipole: commanded_dipole,
         });
         sim_testbench
             .send_request(request)
             .expect("sending MGM request failed");
-        sim_testbench.handle_sim_requests();
-        sim_testbench.step_by(Duration::from_millis(5));
+        sim_testbench.handle_sim_requests_time_agnostic();
+        sim_testbench.step_until(Duration::from_millis(5)).unwrap();
 
         check_mgt_hk(
             &mut sim_testbench,
@@ -326,7 +346,9 @@ pub mod tests {
                 torquing: true,
             },
         );
-        sim_testbench.step_by(Duration::from_millis(100));
+        sim_testbench
+            .step_until(Duration::from_millis(100))
+            .unwrap();
         check_mgt_hk(
             &mut sim_testbench,
             MgtHkSet {

satrs-example/minisim/src/controller.rs

@@ -0,0 +1,253 @@
+use std::{sync::mpsc, time::Duration};
+
+use nexosim::{
+    simulation::{Address, Scheduler, Simulation},
+    time::{Clock, MonotonicTime, SystemClock},
+};
+use satrs_minisim::{
+    acs::{lis3mdl::MgmLis3MdlReply, MgmRequestLis3Mdl, MgtRequest},
+    eps::PcduRequest,
+    SerializableSimMsgPayload, SimComponent, SimCtrlReply, SimCtrlRequest, SimMessageProvider,
+    SimReply, SimRequest, SimRequestError,
+};
+
+use crate::{
+    acs::{MagnetometerModel, MagnetorquerModel},
+    eps::PcduModel,
+};
+
+const WARNING_FOR_STALE_DATA: bool = false;
+
+const SIM_CTRL_REQ_WIRETAPPING: bool = false;
+const MGM_REQ_WIRETAPPING: bool = false;
+const PCDU_REQ_WIRETAPPING: bool = false;
+const MGT_REQ_WIRETAPPING: bool = false;
+
+pub struct ModelAddrWrapper {
+    mgm_0_addr: Address<MagnetometerModel<MgmLis3MdlReply>>,
+    mgm_1_addr: Address<MagnetometerModel<MgmLis3MdlReply>>,
+    pcdu_addr: Address<PcduModel>,
+    mgt_addr: Address<MagnetorquerModel>,
+}
+
+// The simulation controller processes requests and drives the simulation.
+#[allow(dead_code)]
+pub struct SimController {
+    pub sys_clock: SystemClock,
+    pub request_receiver: mpsc::Receiver<SimRequest>,
+    pub reply_sender: mpsc::Sender<SimReply>,
+    pub simulation: Simulation,
+    pub scheduler: Scheduler,
+    pub addr_wrapper: ModelAddrWrapper,
+}
+
+impl ModelAddrWrapper {
+    pub fn new(
+        mgm_0_addr: Address<MagnetometerModel<MgmLis3MdlReply>>,
+        mgm_1_addr: Address<MagnetometerModel<MgmLis3MdlReply>>,
+        pcdu_addr: Address<PcduModel>,
+        mgt_addr: Address<MagnetorquerModel>,
+    ) -> Self {
+        Self {
+            mgm_0_addr,
+            mgm_1_addr,
+            pcdu_addr,
+            mgt_addr,
+        }
+    }
+}
+impl SimController {
+    pub fn new(
+        sys_clock: SystemClock,
+        request_receiver: mpsc::Receiver<SimRequest>,
+        reply_sender: mpsc::Sender<SimReply>,
+        simulation: Simulation,
+        scheduler: Scheduler,
+        addr_wrapper: ModelAddrWrapper,
+    ) -> Self {
+        Self {
+            sys_clock,
+            request_receiver,
+            reply_sender,
+            simulation,
+            scheduler,
+            addr_wrapper,
+        }
+    }
+
+    pub fn run(&mut self, start_time: MonotonicTime, udp_polling_interval_ms: u64) {
+        let mut t = start_time;
+        loop {
+            let t_old = t;
+            // Check for UDP requests every millisecond. Shift the simulator ahead here to prevent
+            // replies lying in the past.
+            t += Duration::from_millis(udp_polling_interval_ms);
+            let _synch_status = self.sys_clock.synchronize(t);
+            self.handle_sim_requests(t_old);
+            self.simulation
+                .step_until(t)
+                .expect("simulation step failed");
+        }
+    }
+
+    pub fn handle_sim_requests(&mut self, old_timestamp: MonotonicTime) {
+        loop {
+            match self.request_receiver.try_recv() {
+                Ok(request) => {
+                    if request.timestamp < old_timestamp && WARNING_FOR_STALE_DATA {
+                        log::warn!("stale data with timestamp {:?} received", request.timestamp);
+                    }
+                    if let Err(e) = match request.component() {
+                        SimComponent::SimCtrl => self.handle_ctrl_request(&request),
+                        SimComponent::Mgm0Lis3Mdl => self.handle_mgm_request(0, &request),
+                        SimComponent::Mgm1Lis3Mdl => self.handle_mgm_request(1, &request),
+                        SimComponent::Mgt => self.handle_mgt_request(&request),
+                        SimComponent::Pcdu => self.handle_pcdu_request(&request),
+                    } {
+                        self.handle_invalid_request_with_valid_target(e, &request)
+                    }
+                }
+                Err(e) => match e {
+                    mpsc::TryRecvError::Empty => break,
+                    mpsc::TryRecvError::Disconnected => {
+                        panic!("all request sender disconnected")
+                    }
+                },
+            }
+        }
+    }
+
+    fn handle_ctrl_request(&mut self, request: &SimRequest) -> Result<(), SimRequestError> {
+        let sim_ctrl_request = SimCtrlRequest::from_sim_message(request)?;
+        if SIM_CTRL_REQ_WIRETAPPING {
+            log::info!("received sim ctrl request: {sim_ctrl_request:?}");
+        }
+        match sim_ctrl_request {
+            SimCtrlRequest::Ping => {
+                self.reply_sender
+                    .send(SimReply::new(&SimCtrlReply::Pong))
+                    .expect("sending reply from sim controller failed");
+            }
+        }
+        Ok(())
+    }
+
+    fn handle_mgm_request(
+        &mut self,
+        mgm_idx: usize,
+        request: &SimRequest,
+    ) -> Result<(), SimRequestError> {
+        let mgm_request = MgmRequestLis3Mdl::from_sim_message(request)?;
+        if MGM_REQ_WIRETAPPING {
+            log::info!("received MGM request: {mgm_request:?}");
+        }
+        match mgm_request {
+            MgmRequestLis3Mdl::RequestSensorData => {
+                let addr = match mgm_idx {
+                    0 => &self.addr_wrapper.mgm_0_addr,
+                    1 => &self.addr_wrapper.mgm_1_addr,
+
+                    _ => panic!("invalid mgm index"),
+                };
+                self.simulation
+                    .process_event(MagnetometerModel::send_sensor_values, (), addr)
+                    .expect("event execution error for mgm");
+            }
+        }
+        Ok(())
+    }
+
+    fn handle_pcdu_request(&mut self, request: &SimRequest) -> Result<(), SimRequestError> {
+        let pcdu_request = PcduRequest::from_sim_message(request)?;
+        if PCDU_REQ_WIRETAPPING {
+            log::info!("received PCDU request: {pcdu_request:?}");
+        }
+        match pcdu_request {
+            PcduRequest::RequestSwitchInfo => {
+                self.simulation
+                    .process_event(
+                        PcduModel::request_switch_info,
+                        (),
+                        &self.addr_wrapper.pcdu_addr,
+                    )
+                    .unwrap();
+            }
+            PcduRequest::SwitchDevice { switch, state } => {
+                self.simulation
+                    .process_event(
+                        PcduModel::switch_device,
+                        (switch, state),
+                        &self.addr_wrapper.pcdu_addr,
+                    )
+                    .unwrap();
+            }
+        }
+        Ok(())
+    }
+
+    fn handle_mgt_request(&mut self, request: &SimRequest) -> Result<(), SimRequestError> {
+        let mgt_request = MgtRequest::from_sim_message(request)?;
+        if MGT_REQ_WIRETAPPING {
+            log::info!("received MGT request: {mgt_request:?}");
+        }
+        match mgt_request {
+            MgtRequest::ApplyTorque { duration, dipole } => self
+                .simulation
+                .process_event(
+                    MagnetorquerModel::apply_torque,
+                    (duration, dipole),
+                    &self.addr_wrapper.mgt_addr,
+                )
+                .unwrap(),
+            MgtRequest::RequestHk => self
+                .simulation
+                .process_event(
+                    MagnetorquerModel::request_housekeeping_data,
+                    (),
+                    &self.addr_wrapper.mgt_addr,
+                )
+                .unwrap(),
+        };
+        Ok(())
+    }
+
+    fn handle_invalid_request_with_valid_target(
+        &self,
+        error: SimRequestError,
+        request: &SimRequest,
+    ) {
+        log::warn!(
+            "received invalid {:?} request: {:?}",
+            request.component(),
+            error
+        );
+        self.reply_sender
+            .send(SimReply::new(&SimCtrlReply::from(error)))
+            .expect("sending reply from sim controller failed");
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use crate::test_helpers::SimTestbench;
+
+    use super::*;
+
+    #[test]
+    fn test_basic_ping() {
+        let mut sim_testbench = SimTestbench::new();
+        let request = SimRequest::new_with_epoch_time(SimCtrlRequest::Ping);
+        sim_testbench
+            .send_request(request)
+            .expect("sending sim ctrl request failed");
+        sim_testbench.handle_sim_requests_time_agnostic();
+        sim_testbench.step().unwrap();
+        let sim_reply = sim_testbench.try_receive_next_reply();
+        assert!(sim_reply.is_some());
+        let sim_reply = sim_reply.unwrap();
+        assert_eq!(sim_reply.component(), SimComponent::SimCtrl);
+        let reply = SimCtrlReply::from_sim_message(&sim_reply)
+            .expect("failed to deserialize MGM sensor values");
+        assert_eq!(reply, SimCtrlReply::Pong);
+    }
+}

satrs-example/minisim/src/eps.rs

@@ -1,69 +1,67 @@
-use std::{collections::HashMap, sync::mpsc, time::Duration};
+use std::{sync::mpsc, time::Duration};
 
-use asynchronix::{
-    model::{Model, Output},
-    time::Scheduler,
-};
-use satrs::power::SwitchStateBinary;
-use satrs_minisim::{
-    eps::{PcduReply, PcduSwitch, SwitchMap},
-    SimReply,
+use models::pcdu::{SwitchId, SwitchMapBinaryWrapper, SwitchStateBinary};
+use nexosim::{
+    model::{Context, Model},
+    ports::Output,
 };
+use satrs_minisim::{eps::PcduReply, SimReply};
 
 pub const SWITCH_INFO_DELAY_MS: u64 = 10;
 
 pub struct PcduModel {
-    pub switcher_map: SwitchMap,
-    pub mgm_switch: Output<SwitchStateBinary>,
+    pub switcher_map: SwitchMapBinaryWrapper,
+    pub mgm_0_switch: Output<SwitchStateBinary>,
+    pub mgm_1_switch: Output<SwitchStateBinary>,
     pub mgt_switch: Output<SwitchStateBinary>,
     pub reply_sender: mpsc::Sender<SimReply>,
 }
 
 impl PcduModel {
     pub fn new(reply_sender: mpsc::Sender<SimReply>) -> Self {
-        let mut switcher_map = HashMap::new();
-        switcher_map.insert(PcduSwitch::Mgm, SwitchStateBinary::Off);
-        switcher_map.insert(PcduSwitch::Mgt, SwitchStateBinary::Off);
-
         Self {
-            switcher_map,
-            mgm_switch: Output::new(),
+            switcher_map: Default::default(),
+            mgm_0_switch: Output::new(),
+            mgm_1_switch: Output::new(),
             mgt_switch: Output::new(),
             reply_sender,
         }
     }
 
-    pub async fn request_switch_info(&mut self, _: (), scheduler: &Scheduler<Self>) {
-        scheduler
-            .schedule_event(
-                Duration::from_millis(SWITCH_INFO_DELAY_MS),
-                Self::send_switch_info,
-                (),
-            )
-            .expect("requesting switch info failed");
+    pub async fn request_switch_info(&mut self, _: (), cx: &mut Context<Self>) {
+        cx.schedule_event(
+            Duration::from_millis(SWITCH_INFO_DELAY_MS),
+            Self::send_switch_info,
+            (),
+        )
+        .expect("requesting switch info failed");
     }
 
     pub fn send_switch_info(&mut self) {
-        let reply = SimReply::new(PcduReply::SwitchInfo(self.switcher_map.clone()));
+        let reply = SimReply::new(&PcduReply::SwitchInfo(self.switcher_map.0.clone()));
         self.reply_sender.send(reply).unwrap();
     }
 
-    pub async fn switch_device(
-        &mut self,
-        switch_and_target_state: (PcduSwitch, SwitchStateBinary),
-    ) {
+    pub async fn switch_device(&mut self, switch_and_target_state: (SwitchId, SwitchStateBinary)) {
+        log::info!(
+            "switching {:?} to {:?}",
+            switch_and_target_state.0,
+            switch_and_target_state.1
+        );
         let val = self
             .switcher_map
+            .0
             .get_mut(&switch_and_target_state.0)
             .unwrap_or_else(|| panic!("switch {:?} not found", switch_and_target_state.0));
         *val = switch_and_target_state.1;
         match switch_and_target_state.0 {
-            PcduSwitch::Mgm => {
-                self.mgm_switch.send(switch_and_target_state.1).await;
+            SwitchId::Mgm0 => {
+                self.mgm_0_switch.send(switch_and_target_state.1).await;
             }
-            PcduSwitch::Mgt => {
+            SwitchId::Mgt => {
                 self.mgt_switch.send(switch_and_target_state.1).await;
             }
+            SwitchId::Mgm1 => todo!(),
         }
     }
 }
@@ -75,54 +73,52 @@ pub(crate) mod tests {
     use super::*;
     use std::time::Duration;
 
+    use models::pcdu::SwitchMapBinary;
     use satrs_minisim::{
-        eps::PcduRequest, SerializableSimMsgPayload, SimMessageProvider, SimRequest, SimTarget,
+        eps::PcduRequest, SerializableSimMsgPayload, SimComponent, SimMessageProvider, SimRequest,
     };
 
     use crate::test_helpers::SimTestbench;
 
     fn switch_device(
         sim_testbench: &mut SimTestbench,
-        switch: PcduSwitch,
+        switch: SwitchId,
         target: SwitchStateBinary,
     ) {
-        let request = SimRequest::new(PcduRequest::SwitchDevice {
+        let request = SimRequest::new_with_epoch_time(PcduRequest::SwitchDevice {
             switch,
             state: target,
         });
         sim_testbench
             .send_request(request)
             .expect("sending MGM switch request failed");
-        sim_testbench.handle_sim_requests();
-        sim_testbench.step();
+        sim_testbench.handle_sim_requests_time_agnostic();
+        sim_testbench.step().unwrap();
     }
 
     #[allow(dead_code)]
-    pub(crate) fn switch_device_off(sim_testbench: &mut SimTestbench, switch: PcduSwitch) {
+    pub(crate) fn switch_device_off(sim_testbench: &mut SimTestbench, switch: SwitchId) {
         switch_device(sim_testbench, switch, SwitchStateBinary::Off);
     }
-    pub(crate) fn switch_device_on(sim_testbench: &mut SimTestbench, switch: PcduSwitch) {
+    pub(crate) fn switch_device_on(sim_testbench: &mut SimTestbench, switch: SwitchId) {
         switch_device(sim_testbench, switch, SwitchStateBinary::On);
     }
 
-    pub(crate) fn get_all_off_switch_map() -> SwitchMap {
-        let mut switcher_map = SwitchMap::new();
-        switcher_map.insert(super::PcduSwitch::Mgm, super::SwitchStateBinary::Off);
-        switcher_map.insert(super::PcduSwitch::Mgt, super::SwitchStateBinary::Off);
-        switcher_map
+    pub(crate) fn get_all_off_switch_map() -> SwitchMapBinary {
+        SwitchMapBinaryWrapper::default().0
     }
 
-    fn check_switch_state(sim_testbench: &mut SimTestbench, expected_switch_map: &SwitchMap) {
-        let request = SimRequest::new(PcduRequest::RequestSwitchInfo);
+    fn check_switch_state(sim_testbench: &mut SimTestbench, expected_switch_map: &SwitchMapBinary) {
+        let request = SimRequest::new_with_epoch_time(PcduRequest::RequestSwitchInfo);
         sim_testbench
             .send_request(request)
             .expect("sending MGM request failed");
-        sim_testbench.handle_sim_requests();
-        sim_testbench.step();
+        sim_testbench.handle_sim_requests_time_agnostic();
+        sim_testbench.step().unwrap();
         let sim_reply = sim_testbench.try_receive_next_reply();
         assert!(sim_reply.is_some());
         let sim_reply = sim_reply.unwrap();
-        assert_eq!(sim_reply.target(), SimTarget::Pcdu);
+        assert_eq!(sim_reply.component(), SimComponent::Pcdu);
         let pcdu_reply = PcduReply::from_sim_message(&sim_reply)
             .expect("failed to deserialize PCDU switch info");
         match pcdu_reply {
@@ -132,7 +128,7 @@ pub(crate) mod tests {
         }
     }
 
-    fn test_pcdu_switching_single_switch(switch: PcduSwitch, target: SwitchStateBinary) {
+    fn test_pcdu_switching_single_switch(switch: SwitchId, target: SwitchStateBinary) {
         let mut sim_testbench = SimTestbench::new();
         switch_device(&mut sim_testbench, switch, target);
         let mut switcher_map = get_all_off_switch_map();
@@ -143,21 +139,21 @@ pub(crate) mod tests {
     #[test]
     fn test_pcdu_switcher_request() {
         let mut sim_testbench = SimTestbench::new();
-        let request = SimRequest::new(PcduRequest::RequestSwitchInfo);
+        let request = SimRequest::new_with_epoch_time(PcduRequest::RequestSwitchInfo);
         sim_testbench
             .send_request(request)
             .expect("sending MGM request failed");
-        sim_testbench.handle_sim_requests();
-        sim_testbench.step_by(Duration::from_millis(1));
+        sim_testbench.handle_sim_requests_time_agnostic();
+        sim_testbench.step_until(Duration::from_millis(1)).unwrap();
 
         let sim_reply = sim_testbench.try_receive_next_reply();
         assert!(sim_reply.is_none());
         // Reply takes 20ms
-        sim_testbench.step_by(Duration::from_millis(25));
+        sim_testbench.step_until(Duration::from_millis(25)).unwrap();
         let sim_reply = sim_testbench.try_receive_next_reply();
         assert!(sim_reply.is_some());
         let sim_reply = sim_reply.unwrap();
-        assert_eq!(sim_reply.target(), SimTarget::Pcdu);
+        assert_eq!(sim_reply.component(), SimComponent::Pcdu);
         let pcdu_reply = PcduReply::from_sim_message(&sim_reply)
             .expect("failed to deserialize PCDU switch info");
         match pcdu_reply {
@@ -169,17 +165,17 @@ pub(crate) mod tests {
 
     #[test]
     fn test_pcdu_switching_mgm_on() {
-        test_pcdu_switching_single_switch(PcduSwitch::Mgm, SwitchStateBinary::On);
+        test_pcdu_switching_single_switch(SwitchId::Mgm0, SwitchStateBinary::On);
     }
 
     #[test]
     fn test_pcdu_switching_mgt_on() {
-        test_pcdu_switching_single_switch(PcduSwitch::Mgt, SwitchStateBinary::On);
+        test_pcdu_switching_single_switch(SwitchId::Mgt, SwitchStateBinary::On);
     }
 
     #[test]
     fn test_pcdu_switching_mgt_off() {
-        test_pcdu_switching_single_switch(PcduSwitch::Mgt, SwitchStateBinary::On);
-        test_pcdu_switching_single_switch(PcduSwitch::Mgt, SwitchStateBinary::Off);
+        test_pcdu_switching_single_switch(SwitchId::Mgt, SwitchStateBinary::On);
+        test_pcdu_switching_single_switch(SwitchId::Mgt, SwitchStateBinary::Off);
     }
 }

satrs-example/minisim/src/lib.rs

@@ -1,16 +1,18 @@
+use nexosim::time::MonotonicTime;
 use serde::{de::DeserializeOwned, Deserialize, Serialize};
 
-#[derive(Debug, Copy, Clone, PartialEq, Eq, Serialize, Deserialize)]
-pub enum SimTarget {
+#[derive(Debug, Copy, Clone, PartialEq, Eq, Serialize, Deserialize, Hash)]
+pub enum SimComponent {
     SimCtrl,
-    Mgm,
+    Mgm0Lis3Mdl,
+    Mgm1Lis3Mdl,
     Mgt,
     Pcdu,
 }
 
 #[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
 pub struct SimMessage {
-    pub target: SimTarget,
+    pub target: SimComponent,
     pub payload: String,
 }
 
@@ -19,6 +21,7 @@ pub struct SimMessage {
 #[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
 pub struct SimRequest {
     inner: SimMessage,
+    pub timestamp: MonotonicTime,
 }
 
 #[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
@@ -33,10 +36,10 @@ pub enum SimMessageType {
 pub trait SerializableSimMsgPayload<P: SimMessageProvider>:
     Serialize + DeserializeOwned + Sized
 {
-    const TARGET: SimTarget;
+    const TARGET: SimComponent;
 
     fn from_sim_message(sim_message: &P) -> Result<Self, SimMessageError<P>> {
-        if sim_message.target() == Self::TARGET {
+        if sim_message.component() == Self::TARGET {
             return Ok(serde_json::from_str(sim_message.payload())?);
         }
         Err(SimMessageError::TargetRequestMissmatch(sim_message.clone()))
@@ -45,7 +48,7 @@ pub trait SerializableSimMsgPayload<P: SimMessageProvider>:
 
 pub trait SimMessageProvider: Serialize + DeserializeOwned + Clone + Sized {
     fn msg_type(&self) -> SimMessageType;
-    fn target(&self) -> SimTarget;
+    fn component(&self) -> SimComponent;
     fn payload(&self) -> &String;
     fn from_raw_data(data: &[u8]) -> serde_json::Result<Self> {
         serde_json::from_slice(data)
@@ -53,18 +56,28 @@ pub trait SimMessageProvider: Serialize + DeserializeOwned + Clone + Sized {
 }
 
 impl SimRequest {
-    pub fn new<T: SerializableSimMsgPayload<SimRequest>>(serializable_request: T) -> Self {
+    pub fn new_with_epoch_time<T: SerializableSimMsgPayload<SimRequest>>(
+        serializable_request: T,
+    ) -> Self {
+        Self::new(serializable_request, MonotonicTime::EPOCH)
+    }
+
+    pub fn new<T: SerializableSimMsgPayload<SimRequest>>(
+        serializable_request: T,
+        timestamp: MonotonicTime,
+    ) -> Self {
         Self {
             inner: SimMessage {
                 target: T::TARGET,
                 payload: serde_json::to_string(&serializable_request).unwrap(),
             },
+            timestamp,
         }
     }
 }
 
 impl SimMessageProvider for SimRequest {
-    fn target(&self) -> SimTarget {
+    fn component(&self) -> SimComponent {
         self.inner.target
     }
     fn payload(&self) -> &String {
@@ -77,25 +90,25 @@ impl SimMessageProvider for SimRequest {
 }
 
 /// A generic simulation reply type. Right now, the payload data is expected to be
-/// JSON, which might be changed inthe future.
+/// JSON, which might be changed in the future.
 #[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
 pub struct SimReply {
     inner: SimMessage,
 }
 
 impl SimReply {
-    pub fn new<T: SerializableSimMsgPayload<SimReply>>(serializable_reply: T) -> Self {
+    pub fn new<T: SerializableSimMsgPayload<SimReply>>(serializable_reply: &T) -> Self {
         Self {
             inner: SimMessage {
                 target: T::TARGET,
-                payload: serde_json::to_string(&serializable_reply).unwrap(),
+                payload: serde_json::to_string(serializable_reply).unwrap(),
             },
         }
     }
 }
 
 impl SimMessageProvider for SimReply {
-    fn target(&self) -> SimTarget {
+    fn component(&self) -> SimComponent {
         self.inner.target
     }
     fn payload(&self) -> &String {
@@ -112,7 +125,7 @@ pub enum SimCtrlRequest {
 }
 
 impl SerializableSimMsgPayload<SimRequest> for SimCtrlRequest {
-    const TARGET: SimTarget = SimTarget::SimCtrl;
+    const TARGET: SimComponent = SimComponent::SimCtrl;
 }
 
 pub type SimReplyError = SimMessageError<SimReply>;
@@ -137,7 +150,7 @@ pub enum SimCtrlReply {
 }
 
 impl SerializableSimMsgPayload<SimReply> for SimCtrlReply {
-    const TARGET: SimTarget = SimTarget::SimCtrl;
+    const TARGET: SimComponent = SimComponent::SimCtrl;
 }
 
 impl From<SimRequestError> for SimCtrlReply {
@@ -148,82 +161,156 @@ impl From<SimRequestError> for SimCtrlReply {
 
 pub mod eps {
     use super::*;
-    use std::collections::HashMap;
+    use models::pcdu::{SwitchId, SwitchMapBinary, SwitchStateBinary};
 
-    use satrs::power::SwitchStateBinary;
-
-    pub type SwitchMap = HashMap<PcduSwitch, SwitchStateBinary>;
-
-    #[derive(Debug, Copy, Clone, PartialEq, Eq, Serialize, Deserialize, Hash)]
-    pub enum PcduSwitch {
-        Mgm = 0,
-        Mgt = 1,
+    #[derive(Debug, Copy, Clone)]
+    #[repr(u8)]
+    pub enum PcduRequestId {
+        SwitchDevice = 0,
+        RequestSwitchInfo = 1,
     }
 
-    #[derive(Debug, Copy, Clone, Serialize, Deserialize)]
+    #[derive(Debug, Copy, Clone, PartialEq, Eq, Serialize, Deserialize)]
     pub enum PcduRequest {
         SwitchDevice {
-            switch: PcduSwitch,
+            switch: SwitchId,
             state: SwitchStateBinary,
         },
         RequestSwitchInfo,
     }
 
     impl SerializableSimMsgPayload<SimRequest> for PcduRequest {
-        const TARGET: SimTarget = SimTarget::Pcdu;
+        const TARGET: SimComponent = SimComponent::Pcdu;
     }
 
-    #[derive(Debug, Clone, Serialize, Deserialize)]
+    #[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
     pub enum PcduReply {
-        SwitchInfo(SwitchMap),
+        // Ack,
+        SwitchInfo(SwitchMapBinary),
     }
 
     impl SerializableSimMsgPayload<SimReply> for PcduReply {
-        const TARGET: SimTarget = SimTarget::Pcdu;
+        const TARGET: SimComponent = SimComponent::Pcdu;
     }
 }
 
 pub mod acs {
     use std::time::Duration;
 
-    use satrs::power::SwitchStateBinary;
+    use models::pcdu::SwitchStateBinary;
 
     use super::*;
 
+    pub trait MgmReplyProvider: Send + 'static {
+        fn create_mgm_reply(common: MgmReplyCommon) -> SimReply;
+    }
+
     #[derive(Debug, Copy, Clone, Serialize, Deserialize)]
-    pub enum MgmRequest {
+    pub enum MgmRequestLis3Mdl {
         RequestSensorData,
     }
 
-    impl SerializableSimMsgPayload<SimRequest> for MgmRequest {
-        const TARGET: SimTarget = SimTarget::Mgm;
+    impl SerializableSimMsgPayload<SimRequest> for MgmRequestLis3Mdl {
+        const TARGET: SimComponent = SimComponent::Mgm0Lis3Mdl;
     }
 
     // Normally, small magnetometers generate their output as a signed 16 bit raw format or something
     // similar which needs to be converted to a signed float value with physical units. We will
-    // simplify this now and generate the signed float values directly.
+    // simplify this now and generate the signed float values directly. The unit is micro tesla.
     #[derive(Debug, Copy, Clone, PartialEq, Serialize, Deserialize)]
-    pub struct MgmSensorValues {
+    pub struct MgmSensorValuesMicroTesla {
         pub x: f32,
         pub y: f32,
         pub z: f32,
     }
 
     #[derive(Debug, Copy, Clone, PartialEq, Serialize, Deserialize)]
-    pub struct MgmReply {
+    pub struct MgmReplyCommon {
         pub switch_state: SwitchStateBinary,
-        pub sensor_values: MgmSensorValues,
+        pub sensor_values: MgmSensorValuesMicroTesla,
     }
 
-    impl SerializableSimMsgPayload<SimReply> for MgmReply {
-        const TARGET: SimTarget = SimTarget::Mgm;
-    }
-
-    pub const MGT_GEN_MAGNETIC_FIELD: MgmSensorValues = MgmSensorValues {
-        x: 0.03,
-        y: -0.03,
-        z: 0.03,
+    pub const MGT_GEN_MAGNETIC_FIELD: MgmSensorValuesMicroTesla = MgmSensorValuesMicroTesla {
+        x: 30.0,
+        y: -30.0,
+        z: 30.0,
     };
+    pub const ALL_ONES_SENSOR_VAL: i16 = 0xffff_u16 as i16;
+
+    pub mod lis3mdl {
+        use super::*;
+
+        // Field data register scaling
+        pub const GAUSS_TO_MICROTESLA_FACTOR: u32 = 100;
+        pub const FIELD_LSB_PER_GAUSS_4_SENS: f32 = 1.0 / 6842.0;
+        pub const FIELD_LSB_PER_GAUSS_8_SENS: f32 = 1.0 / 3421.0;
+        pub const FIELD_LSB_PER_GAUSS_12_SENS: f32 = 1.0 / 2281.0;
+        pub const FIELD_LSB_PER_GAUSS_16_SENS: f32 = 1.0 / 1711.0;
+
+        #[derive(Default, Debug, Copy, Clone, PartialEq, Serialize, Deserialize)]
+        pub struct MgmLis3RawValues {
+            pub x: i16,
+            pub y: i16,
+            pub z: i16,
+        }
+
+        #[derive(Debug, Copy, Clone, PartialEq, Serialize, Deserialize)]
+        pub struct MgmLis3MdlReply {
+            pub common: MgmReplyCommon,
+            // Raw sensor values which are transmitted by the LIS3 device in little-endian
+            // order.
+            pub raw: MgmLis3RawValues,
+        }
+
+        impl MgmLis3MdlReply {
+            pub fn new(common: MgmReplyCommon) -> Self {
+                match common.switch_state {
+                    SwitchStateBinary::Off => Self {
+                        common,
+                        raw: MgmLis3RawValues {
+                            x: ALL_ONES_SENSOR_VAL,
+                            y: ALL_ONES_SENSOR_VAL,
+                            z: ALL_ONES_SENSOR_VAL,
+                        },
+                    },
+                    SwitchStateBinary::On => {
+                        let mut raw_reply: [u8; 7] = [0; 7];
+                        let raw_x: i16 = (common.sensor_values.x
+                            / (GAUSS_TO_MICROTESLA_FACTOR as f32 * FIELD_LSB_PER_GAUSS_4_SENS))
+                            .round() as i16;
+                        let raw_y: i16 = (common.sensor_values.y
+                            / (GAUSS_TO_MICROTESLA_FACTOR as f32 * FIELD_LSB_PER_GAUSS_4_SENS))
+                            .round() as i16;
+                        let raw_z: i16 = (common.sensor_values.z
+                            / (GAUSS_TO_MICROTESLA_FACTOR as f32 * FIELD_LSB_PER_GAUSS_4_SENS))
+                            .round() as i16;
+                        // The first byte is a dummy byte.
+                        raw_reply[1..3].copy_from_slice(&raw_x.to_be_bytes());
+                        raw_reply[3..5].copy_from_slice(&raw_y.to_be_bytes());
+                        raw_reply[5..7].copy_from_slice(&raw_z.to_be_bytes());
+                        Self {
+                            common,
+                            raw: MgmLis3RawValues {
+                                x: raw_x,
+                                y: raw_y,
+                                z: raw_z,
+                            },
+                        }
+                    }
+                }
+            }
+        }
+
+        impl SerializableSimMsgPayload<SimReply> for MgmLis3MdlReply {
+            const TARGET: SimComponent = SimComponent::Mgm0Lis3Mdl;
+        }
+
+        impl MgmReplyProvider for MgmLis3MdlReply {
+            fn create_mgm_reply(common: MgmReplyCommon) -> SimReply {
+                SimReply::new(&Self::new(common))
+            }
+        }
+    }
 
     // Simple model using i16 values.
     #[derive(Default, Debug, Copy, Clone, PartialEq, Eq, Serialize, Deserialize)]
@@ -248,7 +335,7 @@ pub mod acs {
     }
 
     impl SerializableSimMsgPayload<SimRequest> for MgtRequest {
-        const TARGET: SimTarget = SimTarget::Mgt;
+        const TARGET: SimComponent = SimComponent::Mgt;
     }
 
     #[derive(Debug, Copy, Clone, PartialEq, Eq, Serialize, Deserialize)]
@@ -265,78 +352,12 @@ pub mod acs {
     }
 
     impl SerializableSimMsgPayload<SimReply> for MgtReply {
-        const TARGET: SimTarget = SimTarget::Mgm;
+        const TARGET: SimComponent = SimComponent::Mgm0Lis3Mdl;
     }
 }
 
 pub mod udp {
-    use std::{
-        net::{SocketAddr, UdpSocket},
-        time::Duration,
-    };
-
-    use thiserror::Error;
-
-    use crate::{SimReply, SimRequest};
-
-    #[derive(Error, Debug)]
-    pub enum ReceptionError {
-        #[error("IO error: {0}")]
-        Io(#[from] std::io::Error),
-        #[error("Serde JSON error: {0}")]
-        SerdeJson(#[from] serde_json::Error),
-    }
-
-    pub struct SimUdpClient {
-        socket: UdpSocket,
-        pub reply_buf: [u8; 4096],
-    }
-
-    impl SimUdpClient {
-        pub fn new(
-            server_addr: &SocketAddr,
-            non_blocking: bool,
-            read_timeot_ms: Option<u64>,
-        ) -> std::io::Result<Self> {
-            let socket = UdpSocket::bind("127.0.0.1:0")?;
-            socket.set_nonblocking(non_blocking)?;
-            socket
-                .connect(server_addr)
-                .expect("could not connect to server addr");
-            if let Some(read_timeout) = read_timeot_ms {
-                // Set a read timeout so the test does not hang on failures.
-                socket.set_read_timeout(Some(Duration::from_millis(read_timeout)))?;
-            }
-            Ok(Self {
-                socket,
-                reply_buf: [0; 4096],
-            })
-        }
-
-        pub fn set_nonblocking(&self, non_blocking: bool) -> std::io::Result<()> {
-            self.socket.set_nonblocking(non_blocking)
-        }
-
-        pub fn set_read_timeout(&self, read_timeout_ms: u64) -> std::io::Result<()> {
-            self.socket
-                .set_read_timeout(Some(Duration::from_millis(read_timeout_ms)))
-        }
-
-        pub fn send_request(&self, sim_request: &SimRequest) -> std::io::Result<usize> {
-            self.socket.send(
-                &serde_json::to_vec(sim_request).expect("conversion of request to vector failed"),
-            )
-        }
-
-        pub fn recv_raw(&mut self) -> std::io::Result<usize> {
-            self.socket.recv(&mut self.reply_buf)
-        }
-
-        pub fn recv_sim_reply(&mut self) -> Result<SimReply, ReceptionError> {
-            let read_len = self.recv_raw()?;
-            Ok(serde_json::from_slice(&self.reply_buf[0..read_len])?)
-        }
-    }
+    pub const SIM_CTRL_PORT: u16 = 7303;
 }
 
 #[cfg(test)]
@@ -349,7 +370,7 @@ pub mod tests {
     }
 
     impl SerializableSimMsgPayload<SimRequest> for DummyRequest {
-        const TARGET: SimTarget = SimTarget::SimCtrl;
+        const TARGET: SimComponent = SimComponent::SimCtrl;
     }
 
     #[derive(Debug, Copy, Clone, PartialEq, Eq, Serialize, Deserialize)]
@@ -358,13 +379,13 @@ pub mod tests {
     }
 
     impl SerializableSimMsgPayload<SimReply> for DummyReply {
-        const TARGET: SimTarget = SimTarget::SimCtrl;
+        const TARGET: SimComponent = SimComponent::SimCtrl;
     }
 
     #[test]
     fn test_basic_request() {
-        let sim_request = SimRequest::new(DummyRequest::Ping);
-        assert_eq!(sim_request.target(), SimTarget::SimCtrl);
+        let sim_request = SimRequest::new_with_epoch_time(DummyRequest::Ping);
+        assert_eq!(sim_request.component(), SimComponent::SimCtrl);
         assert_eq!(sim_request.msg_type(), SimMessageType::Request);
         let dummy_request =
             DummyRequest::from_sim_message(&sim_request).expect("deserialization failed");
@@ -373,8 +394,8 @@ pub mod tests {
 
     #[test]
     fn test_basic_reply() {
-        let sim_reply = SimReply::new(DummyReply::Pong);
-        assert_eq!(sim_reply.target(), SimTarget::SimCtrl);
+        let sim_reply = SimReply::new(&DummyReply::Pong);
+        assert_eq!(sim_reply.component(), SimComponent::SimCtrl);
         assert_eq!(sim_reply.msg_type(), SimMessageType::Reply);
         let dummy_request =
             DummyReply::from_sim_message(&sim_reply).expect("deserialization failed");

satrs-example/minisim/src/main.rs

@@ -0,0 +1,143 @@
+use acs::{MagnetometerModel, MagnetorquerModel};
+use controller::{ModelAddrWrapper, SimController};
+use eps::PcduModel;
+use nexosim::simulation::{Mailbox, SimInit};
+use nexosim::time::{MonotonicTime, SystemClock};
+use satrs_minisim::udp::SIM_CTRL_PORT;
+use satrs_minisim::{SimReply, SimRequest};
+use std::sync::mpsc;
+use std::thread;
+use std::time::{Duration, SystemTime};
+use udp::SimUdpServer;
+
+mod acs;
+mod controller;
+mod eps;
+#[cfg(test)]
+mod test_helpers;
+mod time;
+mod udp;
+
+#[derive(Debug, Copy, Clone, PartialEq, Eq)]
+pub enum ThreadingModel {
+    Default = 0,
+    Single = 1,
+}
+
+fn create_sim_controller(
+    threading_model: ThreadingModel,
+    start_time: MonotonicTime,
+    reply_sender: mpsc::Sender<SimReply>,
+    request_receiver: mpsc::Receiver<SimRequest>,
+) -> SimController {
+    // Instantiate models and their mailboxes.
+    let mgm_0_model =
+        MagnetometerModel::new_for_lis3mdl(Duration::from_millis(50), reply_sender.clone());
+    let mgm_1_model =
+        MagnetometerModel::new_for_lis3mdl(Duration::from_millis(50), reply_sender.clone());
+
+    let mgm_0_mailbox = Mailbox::new();
+    let mgm_0_addr = mgm_0_mailbox.address();
+    let mgm_1_mailbox = Mailbox::new();
+    let mgm_1_addr = mgm_1_mailbox.address();
+    let pcdu_mailbox = Mailbox::new();
+    let pcdu_addr = pcdu_mailbox.address();
+    let mgt_mailbox = Mailbox::new();
+    let mgt_addr = mgt_mailbox.address();
+
+    let mut pcdu_model = PcduModel::new(reply_sender.clone());
+    pcdu_model
+        .mgm_0_switch
+        .connect(MagnetometerModel::switch_device, &mgm_0_addr);
+    pcdu_model
+        .mgm_1_switch
+        .connect(MagnetometerModel::switch_device, &mgm_1_addr);
+
+    let mut mgt_model = MagnetorquerModel::new(reply_sender.clone());
+    // Input connections.
+    pcdu_model
+        .mgt_switch
+        .connect(MagnetorquerModel::switch_device, &mgt_addr);
+    // Output connections.
+    mgt_model.gen_magnetic_field.connect(
+        MagnetometerModel::apply_external_magnetic_field,
+        &mgm_0_addr,
+    );
+    mgt_model.gen_magnetic_field.connect(
+        MagnetometerModel::apply_external_magnetic_field,
+        &mgm_1_addr,
+    );
+
+    // Instantiate the simulator
+    let sys_clock = SystemClock::from_system_time(start_time, SystemTime::now());
+    let sim_init = if threading_model == ThreadingModel::Single {
+        SimInit::with_num_threads(1)
+    } else {
+        SimInit::new()
+    };
+    let addrs = ModelAddrWrapper::new(mgm_0_addr, mgm_1_addr, pcdu_addr, mgt_addr);
+    let (simulation, scheduler) = sim_init
+        .add_model(mgm_0_model, mgm_0_mailbox, "MGM 0 model")
+        .add_model(mgm_1_model, mgm_1_mailbox, "MGM 1 model")
+        .add_model(pcdu_model, pcdu_mailbox, "PCDU model")
+        .add_model(mgt_model, mgt_mailbox, "MGT model")
+        .init(start_time)
+        .unwrap();
+    SimController::new(
+        sys_clock,
+        request_receiver,
+        reply_sender,
+        simulation,
+        scheduler,
+        addrs,
+    )
+}
+
+fn main() {
+    let (request_sender, request_receiver) = mpsc::channel();
+    let (reply_sender, reply_receiver) = mpsc::channel();
+    let t0 = MonotonicTime::EPOCH;
+    let mut sim_ctrl =
+        create_sim_controller(ThreadingModel::Default, t0, reply_sender, request_receiver);
+    // Configure logger at runtime
+    fern::Dispatch::new()
+        // Perform allocation-free log formatting
+        .format(|out, message, record| {
+            out.finish(format_args!(
+                "[{} {} {}] {}",
+                humantime::format_rfc3339(std::time::SystemTime::now()),
+                record.level(),
+                record.target(),
+                message
+            ))
+        })
+        // Add blanket level filter -
+        .level(log::LevelFilter::Debug)
+        // - and per-module overrides
+        // Output to stdout, files, and other Dispatch configurations
+        .chain(std::io::stdout())
+        .chain(fern::log_file("output.log").expect("could not open log output file"))
+        // Apply globally
+        .apply()
+        .expect("could not apply logger configuration");
+
+    log::info!("starting simulation thread");
+    // This thread schedules the simulator.
+    let sim_thread = thread::spawn(move || {
+        sim_ctrl.run(t0, 1);
+    });
+
+    let mut udp_server =
+        SimUdpServer::new(SIM_CTRL_PORT, request_sender, reply_receiver, 200, None)
+            .expect("could not create UDP request server");
+    log::info!("starting UDP server on port {SIM_CTRL_PORT}");
+    // This thread manages the simulator UDP server.
+    let udp_tc_thread = thread::spawn(move || {
+        udp_server.run();
+    });
+
+    sim_thread.join().expect("joining simulation thread failed");
+    udp_tc_thread
+        .join()
+        .expect("joining UDP server thread failed");
+}

satrs-example/minisim/src/test_helpers.rs

@@ -1,7 +1,10 @@
 use delegate::delegate;
-use std::{sync::mpsc, time::Duration};
+use std::sync::mpsc;
 
-use asynchronix::time::MonotonicTime;
+use nexosim::{
+    simulation::ExecutionError,
+    time::{Deadline, MonotonicTime},
+};
 use satrs_minisim::{SimReply, SimRequest};
 
 use crate::{controller::SimController, create_sim_controller, ThreadingModel};
@@ -26,14 +29,17 @@ impl SimTestbench {
             request_sender,
         }
     }
+    pub fn handle_sim_requests_time_agnostic(&mut self) {
+        self.handle_sim_requests(MonotonicTime::EPOCH);
+    }
 
     delegate! {
         to self.sim_controller {
-            pub fn handle_sim_requests(&mut self);
+            pub fn handle_sim_requests(&mut self, old_timestamp: MonotonicTime);
         }
         to self.sim_controller.simulation {
-            pub fn step(&mut self);
-            pub fn step_by(&mut self, duration: Duration);
+            pub fn step(&mut self) -> Result<(), ExecutionError>;
+            pub fn step_until(&mut self, duration: impl Deadline) -> Result<(), ExecutionError>;
         }
     }
 

satrs-example/minisim/src/time.rs

@@ -1,4 +1,4 @@
-use asynchronix::time::MonotonicTime;
+use nexosim::time::MonotonicTime;
 
 pub fn current_millis(time: MonotonicTime) -> u64 {
     (time.as_secs() as u64 * 1000) + (time.subsec_nanos() as u64 / 1_000_000)

satrs-example/minisim/src/udp.rs

@@ -91,11 +91,8 @@ impl SimUdpServer {
             self.sender_addr = Some(src);
 
             let sim_req = SimRequest::from_raw_data(&self.req_buf[..bytes_read]);
-            if sim_req.is_err() {
-                log::warn!(
-                    "received UDP request with invalid format: {}",
-                    sim_req.unwrap_err()
-                );
+            if let Err(e) = sim_req {
+                log::warn!("received UDP request with invalid format: {}", e);
                 return processed_requests;
             }
             self.request_sender.send(sim_req.unwrap()).unwrap();
@@ -150,6 +147,7 @@ impl SimUdpServer {
 mod tests {
     use std::{
         io::ErrorKind,
+        net::{SocketAddr, UdpSocket},
         sync::{
             atomic::{AtomicBool, Ordering},
             mpsc, Arc,
@@ -159,7 +157,6 @@ mod tests {
 
     use satrs_minisim::{
         eps::{PcduReply, PcduRequest},
-        udp::{ReceptionError, SimUdpClient},
         SimCtrlReply, SimCtrlRequest, SimReply, SimRequest,
     };
 
@@ -171,8 +168,57 @@ mod tests {
     // Wait time to ensure even possibly laggy systems like CI servers can run the tests.
     const SERVER_WAIT_TIME_MS: u64 = 50;
 
+    #[derive(thiserror::Error, Debug)]
+    pub enum ReceptionError {
+        #[error("IO error: {0}")]
+        Io(#[from] std::io::Error),
+        #[error("Serde JSON error: {0}")]
+        SerdeJson(#[from] serde_json::Error),
+    }
+
+    pub struct SimUdpTestClient {
+        socket: UdpSocket,
+        pub reply_buf: [u8; 4096],
+    }
+
+    impl SimUdpTestClient {
+        pub fn new(
+            server_addr: &SocketAddr,
+            non_blocking: bool,
+            read_timeot_ms: Option<u64>,
+        ) -> std::io::Result<Self> {
+            let socket = UdpSocket::bind("127.0.0.1:0")?;
+            socket.set_nonblocking(non_blocking)?;
+            socket
+                .connect(server_addr)
+                .expect("could not connect to server addr");
+            if let Some(read_timeout) = read_timeot_ms {
+                // Set a read timeout so the test does not hang on failures.
+                socket.set_read_timeout(Some(Duration::from_millis(read_timeout)))?;
+            }
+            Ok(Self {
+                socket,
+                reply_buf: [0; 4096],
+            })
+        }
+
+        pub fn send_request(&self, sim_request: &SimRequest) -> std::io::Result<usize> {
+            self.socket.send(
+                &serde_json::to_vec(sim_request).expect("conversion of request to vector failed"),
+            )
+        }
+
+        pub fn recv_raw(&mut self) -> std::io::Result<usize> {
+            self.socket.recv(&mut self.reply_buf)
+        }
+
+        pub fn recv_sim_reply(&mut self) -> Result<SimReply, ReceptionError> {
+            let read_len = self.recv_raw()?;
+            Ok(serde_json::from_slice(&self.reply_buf[0..read_len])?)
+        }
+    }
     struct UdpTestbench {
-        client: SimUdpClient,
+        client: SimUdpTestClient,
         stop_signal: Arc<AtomicBool>,
         request_receiver: mpsc::Receiver<SimRequest>,
         reply_sender: mpsc::Sender<SimReply>,
@@ -197,7 +243,7 @@ mod tests {
             let server_addr = server.server_addr()?;
             Ok((
                 Self {
-                    client: SimUdpClient::new(
+                    client: SimUdpTestClient::new(
                         &server_addr,
                         client_non_blocking,
                         client_read_timeout_ms,
@@ -270,7 +316,7 @@ mod tests {
             UdpTestbench::new(true, Some(SERVER_WAIT_TIME_MS), 10)
                 .expect("could not create testbench");
         let server_thread = std::thread::spawn(move || udp_server.run());
-        let sim_request = SimRequest::new(PcduRequest::RequestSwitchInfo);
+        let sim_request = SimRequest::new_with_epoch_time(PcduRequest::RequestSwitchInfo);
         udp_testbench
             .send_request(&sim_request)
             .expect("sending request failed");
@@ -292,10 +338,10 @@ mod tests {
                 .expect("could not create testbench");
         let server_thread = std::thread::spawn(move || udp_server.run());
         udp_testbench
-            .send_request(&SimRequest::new(SimCtrlRequest::Ping))
+            .send_request(&SimRequest::new_with_epoch_time(SimCtrlRequest::Ping))
             .expect("sending request failed");
 
-        let sim_reply = SimReply::new(PcduReply::SwitchInfo(get_all_off_switch_map()));
+        let sim_reply = SimReply::new(&PcduReply::SwitchInfo(get_all_off_switch_map()));
         udp_testbench.send_reply(&sim_reply);
 
         udp_testbench.check_next_sim_reply(&sim_reply);
@@ -316,11 +362,11 @@ mod tests {
         // Send a ping so that the server knows the address of the client.
         // Do not check that the request arrives on the receiver side, is done by other test.
         udp_testbench
-            .send_request(&SimRequest::new(SimCtrlRequest::Ping))
+            .send_request(&SimRequest::new_with_epoch_time(SimCtrlRequest::Ping))
             .expect("sending request failed");
 
         // Send a reply to the server, ensure it gets forwarded to the client.
-        let sim_reply = SimReply::new(PcduReply::SwitchInfo(get_all_off_switch_map()));
+        let sim_reply = SimReply::new(&PcduReply::SwitchInfo(get_all_off_switch_map()));
         udp_testbench.send_reply(&sim_reply);
         std::thread::sleep(Duration::from_millis(SERVER_WAIT_TIME_MS));
 
@@ -339,7 +385,7 @@ mod tests {
         let server_thread = std::thread::spawn(move || udp_server.run());
 
         // Send a reply to the server. The client is not connected, so it won't get forwarded.
-        let sim_reply = SimReply::new(PcduReply::SwitchInfo(get_all_off_switch_map()));
+        let sim_reply = SimReply::new(&PcduReply::SwitchInfo(get_all_off_switch_map()));
         udp_testbench.send_reply(&sim_reply);
         std::thread::sleep(Duration::from_millis(10));
 
@@ -347,7 +393,7 @@ mod tests {
 
         // Connect by sending a ping.
         udp_testbench
-            .send_request(&SimRequest::new(SimCtrlRequest::Ping))
+            .send_request(&SimRequest::new_with_epoch_time(SimCtrlRequest::Ping))
             .expect("sending request failed");
         std::thread::sleep(Duration::from_millis(SERVER_WAIT_TIME_MS));
 
@@ -366,7 +412,7 @@ mod tests {
         let server_thread = std::thread::spawn(move || udp_server.run());
 
         // The server only caches up to 3 replies.
-        let sim_reply = SimReply::new(SimCtrlReply::Pong);
+        let sim_reply = SimReply::new(&SimCtrlReply::Pong);
         for _ in 0..4 {
             udp_testbench.send_reply(&sim_reply);
         }
@@ -376,7 +422,7 @@ mod tests {
 
         // Connect by sending a ping.
         udp_testbench
-            .send_request(&SimRequest::new(SimCtrlRequest::Ping))
+            .send_request(&SimRequest::new_with_epoch_time(SimCtrlRequest::Ping))
             .expect("sending request failed");
         std::thread::sleep(Duration::from_millis(SERVER_WAIT_TIME_MS));
 

satrs-example/models/Cargo.toml

@@ -0,0 +1,15 @@
+[package]
+name = "models"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+serde = { version = "1", features = ["derive"] }
+spacepackets = { version = "0.17", git = "https://egit.irs.uni-stuttgart.de/rust/spacepackets.git", default-features = false }
+satrs = { path = "../../satrs" }
+num_enum = { version = "0.7" }
+strum = { version = "0.28", features = ["derive"] }
+postcard = { version = "1" }
+thiserror = { version = "2" }
+bitbybit = "2"
+arbitrary-int = "2"

satrs-example/models/src/ccsds.rs

@@ -0,0 +1,130 @@
+use crate::TmHeader;
+use serde::Serialize;
+use spacepackets::{
+    CcsdsPacketCreationError, CcsdsPacketCreatorWithReservedData, SpHeader, SpacePacketHeader,
+    ccsds_packet_len_for_user_data_len_with_checksum,
+};
+
+use crate::TcHeader;
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct CcsdsTcPacketOwned {
+    pub sp_header: SpacePacketHeader,
+    pub tc_header: TcHeader,
+    pub payload: alloc::vec::Vec<u8>,
+}
+
+impl CcsdsTcPacketOwned {
+    pub fn new_with_request<R: serde::Serialize>(
+        sp_header: SpacePacketHeader,
+        tc_header: TcHeader,
+        request: R,
+    ) -> Self {
+        let request_serialized = postcard::to_allocvec(&request).unwrap();
+        Self::new(sp_header, tc_header, request_serialized)
+    }
+
+    pub fn new(
+        sp_header: SpacePacketHeader,
+        tc_header: TcHeader,
+        payload: alloc::vec::Vec<u8>,
+    ) -> Self {
+        Self {
+            sp_header,
+            tc_header,
+            payload,
+        }
+    }
+
+    pub fn write_to_bytes(&self, buf: &mut [u8]) -> Result<usize, CcsdsCreationError> {
+        let response_len =
+            postcard::experimental::serialized_size(&self.tc_header)? + self.payload.len();
+        let mut ccsds_tc = CcsdsPacketCreatorWithReservedData::new_tc_with_checksum(
+            self.sp_header,
+            response_len,
+            buf,
+        )?;
+        let user_data = ccsds_tc.packet_data_mut();
+        let ser_len = postcard::to_slice(&self.tc_header, user_data)?.len();
+        user_data[ser_len..ser_len + self.payload.len()].copy_from_slice(&self.payload);
+        let ccsds_packet_len = ccsds_tc.finish();
+        Ok(ccsds_packet_len)
+    }
+
+    pub fn len_written(&self) -> usize {
+        ccsds_packet_len_for_user_data_len_with_checksum(
+            postcard::experimental::serialized_size(&self.tc_header).unwrap() as usize
+                + postcard::experimental::serialized_size(&self.payload).unwrap() as usize,
+        )
+        .unwrap()
+    }
+
+    pub fn to_vec(&self) -> alloc::vec::Vec<u8> {
+        let mut buf = alloc::vec![0u8; self.len_written()];
+        let len = self.write_to_bytes(&mut buf).unwrap();
+        buf.truncate(len);
+        buf
+    }
+}
+
+#[derive(Debug, thiserror::Error)]
+pub enum CcsdsCreationError {
+    #[error("CCSDS packet creation error: {0}")]
+    CcsdsPacketCreation(#[from] CcsdsPacketCreationError),
+    #[error("postcard error: {0}")]
+    Postcard(#[from] postcard::Error),
+    #[error("timestamp generation error")]
+    Time,
+}
+
+/// Unserialized owned TM packet which can be cloned and sent around.
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct CcsdsTmPacketOwned {
+    pub sp_header: SpacePacketHeader,
+    pub tm_header: TmHeader,
+    pub payload: alloc::vec::Vec<u8>,
+}
+
+impl CcsdsTmPacketOwned {
+    pub fn new_with_serde_payload(
+        sp_header: SpHeader,
+        tm_header: &TmHeader,
+        payload: &impl Serialize,
+    ) -> Result<Self, postcard::Error> {
+        Ok(CcsdsTmPacketOwned {
+            sp_header,
+            tm_header: *tm_header,
+            payload: postcard::to_allocvec(&payload)?,
+        })
+    }
+
+    pub fn write_to_bytes(&self, buf: &mut [u8]) -> Result<usize, CcsdsCreationError> {
+        let response_len =
+            postcard::experimental::serialized_size(&self.tm_header)? + self.payload.len();
+        let mut ccsds_tm = CcsdsPacketCreatorWithReservedData::new_tm_with_checksum(
+            self.sp_header,
+            response_len,
+            buf,
+        )?;
+        let user_data = ccsds_tm.packet_data_mut();
+        let ser_len = postcard::to_slice(&self.tm_header, user_data)?.len();
+        user_data[ser_len..ser_len + self.payload.len()].copy_from_slice(&self.payload);
+        let ccsds_packet_len = ccsds_tm.finish();
+        Ok(ccsds_packet_len)
+    }
+
+    pub fn len_written(&self) -> usize {
+        ccsds_packet_len_for_user_data_len_with_checksum(
+            postcard::experimental::serialized_size(&self.tm_header).unwrap() as usize
+                + postcard::experimental::serialized_size(&self.payload).unwrap() as usize,
+        )
+        .unwrap()
+    }
+
+    pub fn to_vec(&self) -> alloc::vec::Vec<u8> {
+        let mut buf = alloc::vec![0u8; self.len_written()];
+        let len = self.write_to_bytes(&mut buf).unwrap();
+        buf.truncate(len);
+        buf
+    }
+}

satrs-example/models/src/control.rs

@@ -0,0 +1,39 @@
+use crate::Message;
+
+#[derive(serde::Serialize, serde::Deserialize, Clone, Copy, Debug)]
+pub enum Event {
+    TestEvent,
+}
+
+impl Message for Event {
+    fn message_type(&self) -> crate::MessageType {
+        crate::MessageType::Event
+    }
+}
+
+pub mod request {
+    #[derive(serde::Serialize, serde::Deserialize, Clone, Copy, Debug)]
+    pub enum Request {
+        Ping,
+        TestEvent,
+    }
+}
+
+pub mod response {
+    use crate::Message;
+
+    #[derive(serde::Serialize, serde::Deserialize, Clone, Copy, Debug)]
+    pub enum Response {
+        Ok,
+        Event(super::Event),
+    }
+
+    impl Message for Response {
+        fn message_type(&self) -> crate::MessageType {
+            match self {
+                Response::Ok => crate::MessageType::Verification,
+                Response::Event(_event) => crate::MessageType::Event,
+            }
+        }
+    }
+}

satrs-example/models/src/lib.rs

@@ -0,0 +1,196 @@
+extern crate alloc;
+use core::str::FromStr;
+
+use spacepackets::{
+    CcsdsPacketIdAndPsc,
+    time::cds::{CdsTime, MIN_CDS_FIELD_LEN},
+};
+
+pub mod ccsds;
+pub mod control;
+pub mod mgm;
+pub mod mgm_assembly;
+pub mod pcdu;
+
+#[derive(
+    Debug,
+    Copy,
+    Clone,
+    PartialEq,
+    Eq,
+    Hash,
+    serde::Serialize,
+    serde::Deserialize,
+    num_enum::TryFromPrimitive,
+    num_enum::IntoPrimitive,
+)]
+#[repr(u64)]
+pub enum ComponentId {
+    Controller,
+
+    AcsSubsystem,
+    AcsMgmAssembly,
+    AcsMgm0,
+    AcsMgm1,
+
+    EpsSubsystem,
+    EpsPcdu,
+
+    UdpServer,
+    TcpServer,
+    EventManager,
+
+    Ground,
+}
+
+#[derive(Debug, PartialEq, Eq, strum::EnumIter)]
+#[bitbybit::bitenum(u11)]
+pub enum Apid {
+    Tmtc = 1,
+    Cfdp = 2,
+
+    Acs = 3,
+    Eps = 6,
+}
+
+#[derive(Debug, Copy, Clone, serde::Serialize, serde::Deserialize)]
+pub enum Event {
+    ControllerEvent(control::Event),
+}
+
+impl Message for Event {
+    fn message_type(&self) -> MessageType {
+        MessageType::Event
+    }
+}
+
+#[derive(Debug, Copy, Clone, PartialEq, Eq, serde::Serialize, serde::Deserialize)]
+#[non_exhaustive]
+pub struct TmHeader {
+    pub sender_id: ComponentId,
+    pub target_id: ComponentId,
+    pub message_type: MessageType,
+    /// Telemetry can either be sent unsolicited, or as a response to telecommands.
+    pub tc_id: Option<CcsdsPacketIdAndPsc>,
+    /// Raw CDS short timestamp.
+    pub timestamp: Option<[u8; 7]>,
+}
+
+impl TmHeader {
+    pub fn new(
+        sender_id: ComponentId,
+        target_id: ComponentId,
+        message_type: MessageType,
+        tc_id: Option<CcsdsPacketIdAndPsc>,
+        cds_timestamp: &CdsTime,
+    ) -> Self {
+        // Can not fail, CDS short always requires 7 bytes.
+        let mut stamp_buf: [u8; MIN_CDS_FIELD_LEN] = [0; MIN_CDS_FIELD_LEN];
+        cds_timestamp.write_to_bytes(&mut stamp_buf).unwrap();
+        Self {
+            sender_id,
+            target_id,
+            tc_id,
+            message_type,
+            timestamp: Some(stamp_buf),
+        }
+    }
+    pub fn new_for_unsolicited_tm(
+        sender_id: ComponentId,
+        target_id: ComponentId,
+        message_type: MessageType,
+        cds_timestamp: &CdsTime,
+    ) -> Self {
+        Self::new(sender_id, target_id, message_type, None, cds_timestamp)
+    }
+
+    pub fn new_for_tc_response(
+        sender_id: ComponentId,
+        target_id: ComponentId,
+        message_type: MessageType,
+        tc_id: CcsdsPacketIdAndPsc,
+        cds_timestamp: &CdsTime,
+    ) -> Self {
+        Self::new(
+            sender_id,
+            target_id,
+            message_type,
+            Some(tc_id),
+            cds_timestamp,
+        )
+    }
+
+    pub fn from_bytes_postcard(data: &[u8]) -> Result<(Self, &[u8]), postcard::Error> {
+        postcard::take_from_bytes::<TmHeader>(data)
+    }
+}
+
+#[derive(Debug, Copy, Clone, PartialEq, Eq, serde::Serialize, serde::Deserialize)]
+#[non_exhaustive]
+pub struct TcHeader {
+    pub target_id: ComponentId,
+    pub request_type: MessageType,
+}
+
+impl TcHeader {
+    pub fn new(target_id: ComponentId, request_type: MessageType) -> Self {
+        Self {
+            target_id,
+            request_type,
+        }
+    }
+}
+
+#[derive(Debug, Copy, Clone, PartialEq, Eq, serde::Serialize, serde::Deserialize)]
+pub enum MessageType {
+    Ping,
+    Mode,
+    Hk,
+    Action,
+    Event,
+    Verification,
+}
+
+pub trait Message {
+    fn message_type(&self) -> MessageType;
+}
+
+/// Generic device mode which covers the requirements of most devices.
+///
+/// The states are related both to the physical and the logical state of the device. Some
+/// device handlers control the power supply of their own device and an off state might also
+/// mean that the device is physically off.
+#[derive(serde::Serialize, serde::Deserialize, Debug, PartialEq, Eq, Copy, Clone)]
+pub enum DeviceMode {
+    Off = 0,
+    On = 1,
+    /// Normal operation mode where periodic polling might be done as well.
+    Normal = 2,
+}
+
+impl FromStr for DeviceMode {
+    type Err = ();
+
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        match s.to_lowercase().as_str() {
+            "off" => Ok(DeviceMode::Off),
+            "on" => Ok(DeviceMode::On),
+            "normal" => Ok(DeviceMode::Normal),
+            _ => Err(()),
+        }
+    }
+}
+
+#[derive(Debug, Copy, Clone, PartialEq, Eq, serde::Serialize, serde::Deserialize)]
+#[non_exhaustive]
+pub enum HkRequestType {
+    OneShot,
+    /// Enable periodic HK generation with a specified frequency.
+    EnablePeriodic(core::time::Duration),
+    DisablePeriodic,
+    /// Modify periodic HK generation interval.
+    ModifyInterval(core::time::Duration),
+}
+
+#[cfg(test)]
+mod tests {}

satrs-example/models/src/mgm.rs

@@ -0,0 +1,90 @@
+pub mod request {
+    use crate::{DeviceMode, HkRequestType, Message};
+
+    #[derive(serde::Serialize, serde::Deserialize, Debug, Clone, Copy, PartialEq, Eq)]
+    pub enum ModeRequest {
+        SetMode(DeviceMode),
+        ReadMode,
+    }
+
+    #[derive(Debug, PartialEq, Eq, Clone, Copy, serde::Serialize, serde::Deserialize)]
+    pub enum HkId {
+        Sensor,
+    }
+
+    #[derive(Debug, PartialEq, Eq, Clone, Copy, serde::Serialize, serde::Deserialize)]
+    pub struct HkRequest {
+        pub id: HkId,
+        pub req_type: HkRequestType,
+    }
+
+    #[derive(serde::Serialize, serde::Deserialize, Clone, Copy, Debug)]
+    pub enum Request {
+        Ping,
+        Hk(HkRequest),
+        Mode(ModeRequest),
+    }
+
+    impl Request {
+        fn message_type(&self) -> crate::MessageType {
+            match self {
+                Request::Ping => crate::MessageType::Verification,
+                Request::Hk(_hk_request) => crate::MessageType::Hk,
+                Request::Mode(_mode) => crate::MessageType::Mode,
+            }
+        }
+    }
+    impl Message for Request {
+        fn message_type(&self) -> crate::MessageType {
+            self.message_type()
+        }
+    }
+}
+
+#[derive(Default, Debug, Copy, Clone, serde::Serialize, serde::Deserialize)]
+pub struct MgmData {
+    pub valid: bool,
+    pub x: f32,
+    pub y: f32,
+    pub z: f32,
+}
+
+pub mod response {
+    use crate::{DeviceMode, Message, mgm::MgmData};
+
+    #[derive(serde::Serialize, serde::Deserialize, Clone, Copy, Debug)]
+    pub enum HkResponse {
+        MgmData(MgmData),
+    }
+
+    #[derive(serde::Serialize, serde::Deserialize, Debug, Clone, Copy)]
+    pub enum ModeResponse {
+        /// New mode has been set.
+        Mode(DeviceMode),
+        /// Setting a mode timed out.
+        SetModeTimeout,
+    }
+
+    #[derive(serde::Serialize, serde::Deserialize, Clone, Copy, Debug)]
+    pub enum Response {
+        Ok,
+        Hk(HkResponse),
+        Mode(ModeResponse),
+    }
+
+    impl Response {
+        fn message_type(&self) -> crate::MessageType {
+            match self {
+                Response::Ok => crate::MessageType::Verification,
+                Response::Hk(_hk_response) => crate::MessageType::Hk,
+                Response::Mode(_mode_failure) => crate::MessageType::Mode,
+            }
+        }
+    }
+
+    impl Message for Response {
+        fn message_type(&self) -> crate::MessageType {
+            self.message_type()
+        }
+    }
+}

satrs-example/models/src/mgm_assembly.rs

@@ -0,0 +1,109 @@
+use core::str::FromStr;
+
+use crate::DeviceMode;
+
+#[derive(serde::Serialize, serde::Deserialize, Debug, Clone, Copy, PartialEq, Eq)]
+pub enum AssemblyMode {
+    /// The assembly mode ressembles the modes of the devices it controls. It also tries to keep
+    /// the children in the correct mode by re-commanding them into the correct mode.
+    Device(DeviceMode),
+    /// Mode keeping disabled.
+    NoModeKeeping,
+}
+
+impl FromStr for AssemblyMode {
+    type Err = ();
+
+    fn from_str(s: &str) -> Result<Self, Self::Err> {
+        match s.to_lowercase().as_str() {
+            "off" => Ok(AssemblyMode::Device(DeviceMode::Off)),
+            "on" => Ok(AssemblyMode::Device(DeviceMode::On)),
+            "normal" => Ok(AssemblyMode::Device(DeviceMode::Normal)),
+            "no_mode_keeping" => Ok(AssemblyMode::NoModeKeeping),
+            _ => Err(()),
+        }
+    }
+}
+
+pub mod request {
+    use crate::{HkRequestType, Message, mgm_assembly::AssemblyMode};
+
+    #[derive(Debug, PartialEq, Eq, Clone, Copy, serde::Serialize, serde::Deserialize)]
+    pub enum HkId {
+        Sensor,
+    }
+
+    #[derive(Debug, Copy, Clone, PartialEq, Eq, serde::Serialize, serde::Deserialize)]
+    pub enum ModeRequest {
+        SetMode(AssemblyMode),
+        ReadMode,
+    }
+
+    #[derive(Debug, PartialEq, Eq, Clone, Copy, serde::Serialize, serde::Deserialize)]
+    pub struct HkRequest {
+        pub id: HkId,
+        pub req_type: HkRequestType,
+    }
+
+    #[derive(serde::Serialize, serde::Deserialize, Clone, Copy, Debug)]
+    pub enum Request {
+        Ping,
+        Mode(ModeRequest),
+    }
+
+    impl Request {
+        fn message_type(&self) -> crate::MessageType {
+            match self {
+                Request::Ping => crate::MessageType::Verification,
+                Request::Mode(_mode) => crate::MessageType::Mode,
+            }
+        }
+    }
+    impl Message for Request {
+        fn message_type(&self) -> crate::MessageType {
+            self.message_type()
+        }
+    }
+}
+
+pub mod response {
+    use crate::{DeviceMode, Message};
+
+    #[derive(serde::Serialize, serde::Deserialize, Clone, Copy, Debug, PartialEq, Eq)]
+    pub enum ModeCommandFailure {
+        Timeout,
+    }
+
+    #[derive(Debug, Copy, Clone, PartialEq, Eq, serde::Serialize, serde::Deserialize)]
+    pub enum ModeReport {
+        /// Mode of the assembly.
+        Mode(super::AssemblyMode),
+        /// Timeout failure setting the children modes.
+        SetModeTimeout([Option<DeviceMode>; 2]),
+        /// Children are in wrong mode after commanding.
+        WrongMode([Option<DeviceMode>; 2]),
+        /// An assembly tried modekeeping but can not keep its mode.
+        CanNotKeepMode([Option<DeviceMode>; 2]),
+    }
+
+    #[derive(serde::Serialize, serde::Deserialize, Clone, Copy, Debug, PartialEq, Eq)]
+    pub enum Response {
+        Ok,
+        Mode(ModeReport),
+    }
+
+    impl Response {
+        fn message_type(&self) -> crate::MessageType {
+            match self {
+                Response::Ok => crate::MessageType::Verification,
+                Response::Mode(_mode_report) => crate::MessageType::Mode,
+            }
+        }
+    }
+
+    impl Message for Response {
+        fn message_type(&self) -> crate::MessageType {
+            self.message_type()
+        }
+    }
+}

satrs-example/models/src/pcdu.rs

@@ -0,0 +1,147 @@
+use std::collections::HashMap;
+
+use strum::IntoEnumIterator as _;
+
+#[bitbybit::bitfield(u16, debug, default = 0x0)]
+#[derive(serde::Serialize, serde::Deserialize)]
+pub struct SwitchesBitfield {
+    #[bit(2, rw)]
+    magnetorquer: bool,
+    #[bit(1, rw)]
+    mgm1: bool,
+    #[bit(0, rw)]
+    mgm0: bool,
+}
+
+#[derive(
+    Debug,
+    Copy,
+    Clone,
+    PartialEq,
+    Eq,
+    serde::Serialize,
+    serde::Deserialize,
+    Hash,
+    strum::EnumIter,
+    num_enum::IntoPrimitive,
+    num_enum::TryFromPrimitive,
+)]
+#[repr(u16)]
+pub enum SwitchId {
+    Mgm0 = 0,
+    Mgm1 = 1,
+    Mgt = 2,
+}
+
+#[derive(Debug, Eq, PartialEq, Copy, Clone, serde::Serialize, serde::Deserialize)]
+pub enum SwitchState {
+    Off = 0,
+    On = 1,
+    Unknown = 2,
+    Faulty = 3,
+}
+
+impl From<SwitchStateBinary> for SwitchState {
+    fn from(value: SwitchStateBinary) -> Self {
+        match value {
+            SwitchStateBinary::Off => SwitchState::Off,
+            SwitchStateBinary::On => SwitchState::On,
+        }
+    }
+}
+
+#[derive(Debug, Eq, PartialEq, Copy, Clone, serde::Serialize, serde::Deserialize)]
+pub enum SwitchStateBinary {
+    Off = 0,
+    On = 1,
+}
+
+pub type SwitchMapBinary = HashMap<SwitchId, SwitchStateBinary>;
+
+pub struct SwitchMapBinaryWrapper(pub SwitchMapBinary);
+
+impl Default for SwitchMapBinaryWrapper {
+    fn default() -> Self {
+        let mut switch_map = SwitchMapBinary::default();
+        for entry in SwitchId::iter() {
+            switch_map.insert(entry, SwitchStateBinary::Off);
+        }
+        Self(switch_map)
+    }
+}
+
+pub struct SwitchRequest {
+    pub switch_id: SwitchId,
+    pub target_state: SwitchStateBinary,
+}
+
+impl SwitchRequest {
+    pub fn new(switch_id: SwitchId, target_state: SwitchStateBinary) -> Self {
+        Self {
+            switch_id,
+            target_state,
+        }
+    }
+
+    pub fn switch_id(&self) -> SwitchId {
+        self.switch_id
+    }
+
+    pub fn target_state(&self) -> SwitchStateBinary {
+        self.target_state
+    }
+}
+
+pub mod request {
+    use crate::{DeviceMode, Message};
+
+    use super::*;
+
+    #[derive(serde::Serialize, serde::Deserialize, Clone, Copy, Debug)]
+    pub enum Request {
+        Mode(DeviceMode),
+        Ping,
+        GetSwitches,
+        EnableSwitches(SwitchesBitfield),
+        DisableSwitches(SwitchesBitfield),
+    }
+
+    impl Request {
+        pub fn message_type(&self) -> crate::MessageType {
+            match self {
+                Request::Mode(_mode) => crate::MessageType::Mode,
+                Request::Ping => crate::MessageType::Verification,
+                Request::GetSwitches => crate::MessageType::Action,
+                Request::EnableSwitches(_switches) | Request::DisableSwitches(_switches) => {
+                    crate::MessageType::Action
+                }
+            }
+        }
+    }
+
+    impl Message for Request {
+        fn message_type(&self) -> crate::MessageType {
+            self.message_type()
+        }
+    }
+}
+
+pub mod response {
+    use super::*;
+    use crate::Message;
+
+    #[derive(serde::Serialize, serde::Deserialize, Clone, Copy, Debug)]
+    pub enum Response {
+        Ok,
+        Switches(SwitchesBitfield),
+    }
+
+    impl Message for Response {
+        fn message_type(&self) -> crate::MessageType {
+            match self {
+                Response::Ok => crate::MessageType::Verification,
+                Response::Switches(_switches) => crate::MessageType::Action,
+            }
+        }
+    }
+}

satrs-example/pytmtc/.gitignore

@@ -1,3 +1,4 @@
+/tmtc_conf.json
 __pycache__
 
 /venv
@@ -7,3 +8,136 @@ __pycache__
 
 /seqcnt.txt
 /.tmtc-history.txt
+
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+pip-wheel-metadata/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+.python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# PyCharm
+.idea

satrs-example/pytmtc/main.py

@@ -1,29 +1,20 @@
 #!/usr/bin/env python3
 """Example client for the sat-rs example application"""
+
 import logging
 import sys
 import time
-from typing import Any, Optional
-from prompt_toolkit.history import History
-from prompt_toolkit.history import FileHistory
 
-from spacepackets.ccsds import PacketId, PacketType
 import tmtccmd
-from spacepackets.ecss import PusTelemetry, PusVerificator
-from spacepackets.ecss.pus_17_test import Service17Tm
-from spacepackets.ecss.pus_1_verification import UnpackParams, Service1Tm
-from spacepackets.ccsds.time import CdsShortTimestamp
+from spacepackets.ecss import PusVerificator
 
-from tmtccmd import TcHandlerBase, ProcedureParamsWrapper
+from tmtccmd import ProcedureParamsWrapper
 from tmtccmd.core.base import BackendRequest
 from tmtccmd.pus import VerificationWrapper
-from tmtccmd.tmtc import CcsdsTmHandler, GenericApidHandlerBase
-from tmtccmd.com import ComInterface
+from tmtccmd.tmtc import CcsdsTmHandler
 from tmtccmd.config import (
-    CmdTreeNode,
     default_json_path,
     SetupParams,
-    HookBase,
     params_to_procedure_conversion,
 )
 from tmtccmd.config import PreArgsParsingWrapper, SetupWrapper
@@ -33,193 +24,20 @@ from tmtccmd.logging.pus import (
     RawTmtcTimedLogWrapper,
     TimedLogWhen,
 )
-from tmtccmd.tmtc import (
-    TcQueueEntryType,
-    ProcedureWrapper,
-    TcProcedureType,
-    FeedWrapper,
-    SendCbParams,
-    DefaultPusQueueHelper,
-    QueueWrapper,
-)
-from spacepackets.seqcount import FileSeqCountProvider, PusFileSeqCountProvider
-from tmtccmd.util.obj_id import ObjectIdDictT
+from spacepackets.seqcount import PusFileSeqCountProvider
 
 
-import pus_tc
-from common import Apid, EventU32
+from pytmtc.config import SatrsConfigHook
+from pytmtc.pus_tc import TcHandler
+from pytmtc.pus_tm import PusHandler
 
 _LOGGER = logging.getLogger()
 
 
-class SatRsConfigHook(HookBase):
-    def __init__(self, json_cfg_path: str):
-        super().__init__(json_cfg_path=json_cfg_path)
-
-    def get_communication_interface(self, com_if_key: str) -> Optional[ComInterface]:
-        from tmtccmd.config.com import (
-            create_com_interface_default,
-            create_com_interface_cfg_default,
-        )
-
-        assert self.cfg_path is not None
-        packet_id_list = []
-        for apid in Apid:
-            packet_id_list.append(PacketId(PacketType.TM, True, apid))
-        cfg = create_com_interface_cfg_default(
-            com_if_key=com_if_key,
-            json_cfg_path=self.cfg_path,
-            space_packet_ids=packet_id_list,
-        )
-        assert cfg is not None
-        return create_com_interface_default(cfg)
-
-    def get_command_definitions(self) -> CmdTreeNode:
-        """This function should return the root node of the command definition tree."""
-        return pus_tc.create_cmd_definition_tree()
-
-    def get_cmd_history(self) -> Optional[History]:
-        """Optionlly return a history class for the past command paths which will be used
-        when prompting a command path from the user in CLI mode."""
-        return FileHistory(".tmtc-history.txt")
-
-    def get_object_ids(self) -> ObjectIdDictT:
-        from tmtccmd.config.objects import get_core_object_ids
-
-        return get_core_object_ids()
-
-
-class PusHandler(GenericApidHandlerBase):
-    def __init__(
-        self,
-        file_logger: logging.Logger,
-        verif_wrapper: VerificationWrapper,
-        raw_logger: RawTmtcTimedLogWrapper,
-    ):
-        super().__init__(None)
-        self.file_logger = file_logger
-        self.raw_logger = raw_logger
-        self.verif_wrapper = verif_wrapper
-
-    def handle_tm(self, apid: int, packet: bytes, _user_args: Any):
-        try:
-            pus_tm = PusTelemetry.unpack(
-                packet, timestamp_len=CdsShortTimestamp.TIMESTAMP_SIZE
-            )
-        except ValueError as e:
-            _LOGGER.warning("Could not generate PUS TM object from raw data")
-            _LOGGER.warning(f"Raw Packet: [{packet.hex(sep=',')}], REPR: {packet!r}")
-            raise e
-        service = pus_tm.service
-        if service == 1:
-            tm_packet = Service1Tm.unpack(
-                data=packet, params=UnpackParams(CdsShortTimestamp.TIMESTAMP_SIZE, 1, 2)
-            )
-            res = self.verif_wrapper.add_tm(tm_packet)
-            if res is None:
-                _LOGGER.info(
-                    f"Received Verification TM[{tm_packet.service}, {tm_packet.subservice}] "
-                    f"with Request ID {tm_packet.tc_req_id.as_u32():#08x}"
-                )
-                _LOGGER.warning(
-                    f"No matching telecommand found for {tm_packet.tc_req_id}"
-                )
-            else:
-                self.verif_wrapper.log_to_console(tm_packet, res)
-                self.verif_wrapper.log_to_file(tm_packet, res)
-        elif service == 3:
-            _LOGGER.info("No handling for HK packets implemented")
-            _LOGGER.info(f"Raw packet: 0x[{packet.hex(sep=',')}]")
-            pus_tm = PusTelemetry.unpack(
-                packet, timestamp_len=CdsShortTimestamp.TIMESTAMP_SIZE
-            )
-            if pus_tm.subservice == 25:
-                if len(pus_tm.source_data) < 8:
-                    raise ValueError("No addressable ID in HK packet")
-                json_str = pus_tm.source_data[8:]
-                _LOGGER.info(json_str)
-        elif service == 5:
-            tm_packet = PusTelemetry.unpack(
-                packet, timestamp_len=CdsShortTimestamp.TIMESTAMP_SIZE
-            )
-            src_data = tm_packet.source_data
-            event_u32 = EventU32.unpack(src_data)
-            _LOGGER.info(
-                f"Received event packet. Source APID: {Apid(tm_packet.apid)!r}, Event: {event_u32}"
-            )
-            if event_u32.group_id == 0 and event_u32.unique_id == 0:
-                _LOGGER.info("Received test event")
-        elif service == 17:
-            tm_packet = Service17Tm.unpack(
-                packet, timestamp_len=CdsShortTimestamp.TIMESTAMP_SIZE
-            )
-            if tm_packet.subservice == 2:
-                self.file_logger.info("Received Ping Reply TM[17,2]")
-                _LOGGER.info("Received Ping Reply TM[17,2]")
-            else:
-                self.file_logger.info(
-                    f"Received Test Packet with unknown subservice {tm_packet.subservice}"
-                )
-                _LOGGER.info(
-                    f"Received Test Packet with unknown subservice {tm_packet.subservice}"
-                )
-        else:
-            _LOGGER.info(
-                f"The service {service} is not implemented in Telemetry Factory"
-            )
-            tm_packet = PusTelemetry.unpack(
-                packet, timestamp_len=CdsShortTimestamp.TIMESTAMP_SIZE
-            )
-        self.raw_logger.log_tm(pus_tm)
-
-
-class TcHandler(TcHandlerBase):
-    def __init__(
-        self,
-        seq_count_provider: FileSeqCountProvider,
-        verif_wrapper: VerificationWrapper,
-    ):
-        super(TcHandler, self).__init__()
-        self.seq_count_provider = seq_count_provider
-        self.verif_wrapper = verif_wrapper
-        self.queue_helper = DefaultPusQueueHelper(
-            queue_wrapper=QueueWrapper.empty(),
-            tc_sched_timestamp_len=CdsShortTimestamp.TIMESTAMP_SIZE,
-            seq_cnt_provider=seq_count_provider,
-            pus_verificator=self.verif_wrapper.pus_verificator,
-            default_pus_apid=None,
-        )
-
-    def send_cb(self, send_params: SendCbParams):
-        entry_helper = send_params.entry
-        if entry_helper.is_tc:
-            if entry_helper.entry_type == TcQueueEntryType.PUS_TC:
-                pus_tc_wrapper = entry_helper.to_pus_tc_entry()
-                raw_tc = pus_tc_wrapper.pus_tc.pack()
-                _LOGGER.info(f"Sending {pus_tc_wrapper.pus_tc}")
-                send_params.com_if.send(raw_tc)
-        elif entry_helper.entry_type == TcQueueEntryType.LOG:
-            log_entry = entry_helper.to_log_entry()
-            _LOGGER.info(log_entry.log_str)
-
-    def queue_finished_cb(self, info: ProcedureWrapper):
-        if info.proc_type == TcProcedureType.TREE_COMMANDING:
-            def_proc = info.to_tree_commanding_procedure()
-            _LOGGER.info(f"Queue handling finished for command {def_proc.cmd_path}")
-
-    def feed_cb(self, info: ProcedureWrapper, wrapper: FeedWrapper):
-        q = self.queue_helper
-        q.queue_wrapper = wrapper.queue_wrapper
-        if info.proc_type == TcProcedureType.TREE_COMMANDING:
-            def_proc = info.to_tree_commanding_procedure()
-            assert def_proc.cmd_path is not None
-            pus_tc.pack_pus_telecommands(q, def_proc.cmd_path)
-
-
 def main():
     add_colorlog_console_logger(_LOGGER)
     tmtccmd.init_printout(False)
-    hook_obj = SatRsConfigHook(json_cfg_path=default_json_path())
+    hook_obj = SatrsConfigHook(json_cfg_path=default_json_path())
     parser_wrapper = PreArgsParsingWrapper()
     parser_wrapper.create_default_parent_parser()
     parser_wrapper.create_default_parser()

satrs-example/pytmtc/pyproject.toml

@@ -0,0 +1,27 @@
+[build-system]
+requires = ["setuptools>=61.0"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "pytmtc"
+description = "Python TMTC client for OPS-SAT"
+readme = "README.md"
+version = "0.1.0"
+requires-python = ">=3.8"
+authors = [
+  {name = "Robin Mueller", email = "robin.mueller.m@gmail.com"},
+]
+dependencies = [
+    "tmtccmd~=8.1",
+    "pydantic~=2.7"
+]
+
+[tool.setuptools.packages]
+find = {}
+
+[tool.ruff]
+extend-exclude = ["archive"]
+[tool.ruff.lint]
+ignore = ["E501"]
+[tool.ruff.lint.extend-per-file-ignores]
+"__init__.py" = ["F401"]

satrs-example/pytmtc/pytmtc/acs/__init__.py

@@ -0,0 +1,11 @@
+from tmtccmd.config import CmdTreeNode
+
+
+def create_acs_node(mode_node: CmdTreeNode, hk_node: CmdTreeNode) -> CmdTreeNode:
+    acs_node = CmdTreeNode("acs", "ACS Subsystem Node")
+    mgm_node = CmdTreeNode("mgms", "MGM devices node")
+    mgm_node.add_child(mode_node)
+    mgm_node.add_child(hk_node)
+
+    acs_node.add_child(mgm_node)
+    return acs_node

satrs-example/pytmtc/pytmtc/acs/mgms.py

@@ -0,0 +1,45 @@
+import logging
+import struct
+import enum
+from typing import List
+from spacepackets.ecss import PusTm
+from tmtccmd.tmtc import DefaultPusQueueHelper
+
+from pytmtc.common import AcsId, Apid
+from pytmtc.hk_common import create_request_one_shot_hk_cmd
+from pytmtc.mode import handle_set_mode_cmd
+
+
+_LOGGER = logging.getLogger(__name__)
+
+
+class SetId(enum.IntEnum):
+    SENSOR_SET = 0
+
+
+def create_mgm_cmds(q: DefaultPusQueueHelper, cmd_path: List[str]):
+    assert len(cmd_path) >= 3
+    if cmd_path[2] == "hk":
+        if cmd_path[3] == "one_shot_hk":
+            q.add_log_cmd("Sending HK one shot request")
+            q.add_pus_tc(
+                create_request_one_shot_hk_cmd(Apid.ACS, AcsId.MGM_0, SetId.SENSOR_SET)
+            )
+
+    if cmd_path[2] == "mode":
+        if cmd_path[3] == "set_mode":
+            handle_set_mode_cmd(q, "MGM 0", cmd_path[4], Apid.ACS, AcsId.MGM_0)
+
+
+def handle_mgm_hk_report(pus_tm: PusTm, set_id: int, hk_data: bytes):
+    if set_id == SetId.SENSOR_SET:
+        if len(hk_data) != 13:
+            raise ValueError(f"invalid HK data length, expected 13, got {len(hk_data)}")
+        data_valid = hk_data[0]
+        mgm_x = struct.unpack("!f", hk_data[1:5])[0]
+        mgm_y = struct.unpack("!f", hk_data[5:9])[0]
+        mgm_z = struct.unpack("!f", hk_data[9:13])[0]
+        _LOGGER.info(
+            f"received MGM HK set in uT: Valid {data_valid} X {mgm_x} Y {mgm_y} Z {mgm_z}"
+        )
+        pass

satrs-example/pytmtc/pytmtc/common.py

@@ -39,7 +39,10 @@ class EventU32:
 
 
 class AcsId(enum.IntEnum):
-    MGM_0 = 0
+    SUBSYSTEM = 1
+    MGM_ASSEMBLY = 2
+    MGM_0 = 3
+    MGM_1 = 4
 
 
 class AcsHkIds(enum.IntEnum):

satrs-example/pytmtc/pytmtc/config.py

@@ -0,0 +1,47 @@
+from typing import Optional
+from prompt_toolkit.history import FileHistory, History
+from spacepackets.ccsds import PacketId, PacketType
+from tmtccmd import HookBase
+from tmtccmd.com import ComInterface
+from tmtccmd.config import CmdTreeNode
+from tmtccmd.util.obj_id import ObjectIdDictT
+
+from pytmtc.common import Apid
+from pytmtc.pus_tc import create_cmd_definition_tree
+
+
+class SatrsConfigHook(HookBase):
+    def __init__(self, json_cfg_path: str):
+        super().__init__(json_cfg_path)
+
+    def get_communication_interface(self, com_if_key: str) -> Optional[ComInterface]:
+        from tmtccmd.config.com import (
+            create_com_interface_default,
+            create_com_interface_cfg_default,
+        )
+
+        assert self.cfg_path is not None
+        packet_id_list = []
+        for apid in Apid:
+            packet_id_list.append(PacketId(PacketType.TM, True, apid))
+        cfg = create_com_interface_cfg_default(
+            com_if_key=com_if_key,
+            json_cfg_path=self.cfg_path,
+            space_packet_ids=packet_id_list,
+        )
+        assert cfg is not None
+        return create_com_interface_default(cfg)
+
+    def get_command_definitions(self) -> CmdTreeNode:
+        """This function should return the root node of the command definition tree."""
+        return create_cmd_definition_tree()
+
+    def get_cmd_history(self) -> Optional[History]:
+        """Optionlly return a history class for the past command paths which will be used
+        when prompting a command path from the user in CLI mode."""
+        return FileHistory(".tmtc-history.txt")
+
+    def get_object_ids(self) -> ObjectIdDictT:
+        from tmtccmd.config.objects import get_core_object_ids
+
+        return get_core_object_ids()