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Robin Müller 2024-05-19 21:44:09 +02:00
parent 1c78be6e90
commit f1a1cd6054
Signed by: muellerr
GPG Key ID: A649FB78196E3849
17 changed files with 108926 additions and 0 deletions

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@ -10,5 +10,6 @@ members = [
exclude = [ exclude = [
"embedded-examples/stm32f3-disco-rtic", "embedded-examples/stm32f3-disco-rtic",
"embedded-examples/stm32h7-rtic",
] ]

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@ -0,0 +1,3 @@
/target
/.cargo/config*
/.vscode

412
embedded-examples/stm32h7-rtic/Cargo.lock generated Normal file
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@ -0,0 +1,412 @@
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[package]
authors = ["Robin Mueller <robin.mueller.m@gmail.com>"]
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edition = "2021"
version = "0.1.0"
default-run = "satrs-stm32h7-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 = "0.3"
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cortex-m-semihosting = "0.5.0"
stm32h7xx-hal = { version="0.16", features= ["stm32h743v"] }
[dev-dependencies]
defmt-test = "0.3"
# cargo build/run
[profile.dev]
codegen-units = 1
debug = 2
debug-assertions = true # <-
incremental = false
opt-level = 'z' # <-
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 # <-

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@ -0,0 +1,201 @@
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# `app-template`
> Quickly set up a [`probe-rs`] + [`defmt`] + [`flip-link`] embedded project
[`probe-rs`]: https://crates.io/crates/probe-rs
[`defmt`]: https://github.com/knurling-rs/defmt
[`flip-link`]: https://github.com/knurling-rs/flip-link
## Dependencies
#### 1. `flip-link`:
```console
$ cargo install flip-link
```
#### 2. `probe-rs`:
``` console
$ # make sure to install v0.2.0 or later
$ cargo install probe-rs --features cli
```
#### 3. [`cargo-generate`]:
``` console
$ cargo install cargo-generate
```
[`cargo-generate`]: https://crates.io/crates/cargo-generate
> *Note:* You can also just clone this repository instead of using `cargo-generate`, but this involves additional manual adjustments.
## Setup
#### 1. Initialize the project template
``` console
$ cargo generate \
--git https://github.com/knurling-rs/app-template \
--branch main \
--name my-app
```
If you look into your new `my-app` folder, you'll find that there are a few `TODO`s in the files marking the properties you need to set.
Let's walk through them together now.
#### 2. Set `probe-rs` chip
Pick a chip from ` probe-rs chip list` and enter it into `.cargo/config.toml`.
If, for example, you have a nRF52840 Development Kit from one of [our workshops], replace `{{chip}}` with `nRF52840_xxAA`.
[our workshops]: https://github.com/ferrous-systems/embedded-trainings-2020
``` diff
# .cargo/config.toml
[target.'cfg(all(target_arch = "arm", target_os = "none"))']
-runner = "probe-rs run --chip {{chip}}"
+runner = "probe-rs run --chip nRF52840_xxAA"
```
#### 2.1 Pass custom log format
You need to use an array of strings instead of a single string for the `runner` if you use a custom log format.
```toml
runner = ["probe-rs", "run", "--chip", "$CHIP", "--log-format", "{L} {s}"]
```
#### 3. Adjust the compilation target
In `.cargo/config.toml`, pick the right compilation target for your board.
``` diff
# .cargo/config.toml
[build]
-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)
+target = "thumbv7em-none-eabihf" # Cortex-M4F (with FPU)
```
Add the target with `rustup`.
``` console
$ rustup target add thumbv7em-none-eabihf
```
#### 4. Add a HAL as a dependency
In `Cargo.toml`, list the Hardware Abstraction Layer (HAL) for your board as a dependency.
For the nRF52840 you'll want to use the [`nrf52840-hal`].
[`nrf52840-hal`]: https://crates.io/crates/nrf52840-hal
``` diff
# Cargo.toml
[dependencies]
-# some-hal = "1.2.3"
+nrf52840-hal = "0.14.0"
```
⚠️ Note for RP2040 users ⚠️
You will need to not just specify the `rp-hal` HAL, but a BSP (board support crate) which includes a second stage bootloader. Please find a list of available BSPs [here](https://github.com/rp-rs/rp-hal-boards#packages).
#### 5. Import your HAL
Now that you have selected a HAL, fix the HAL import in `src/lib.rs`
``` diff
// my-app/src/lib.rs
-// use some_hal as _; // memory layout
+use nrf52840_hal as _; // memory layout
```
#### (6. Get a linker script)
Some HAL crates require that you manually copy over a file called `memory.x` from the HAL to the root of your project. For nrf52840-hal, this is done automatically so no action is needed. For other HAL crates, you can get it from your local Cargo folder, the default location is under:
```
~/.cargo/registry/src/
```
Not all HALs provide a `memory.x` file, you may need to write it yourself. Check the documentation for the HAL you are using.
#### 7. Run!
You are now all set to `cargo-run` your first `defmt`-powered application!
There are some examples in the `src/bin` directory.
Start by `cargo run`-ning `my-app/src/bin/hello.rs`:
``` console
$ # `rb` is an alias for `run --bin`
$ cargo rb hello
Finished dev [optimized + debuginfo] target(s) in 0.03s
flashing program ..
DONE
resetting device
0.000000 INFO Hello, world!
(..)
$ echo $?
0
```
If you're running out of memory (`flip-link` bails with an overflow error), you can decrease the size of the device memory buffer by setting the `DEFMT_RTT_BUFFER_SIZE` environment variable. The default value is 1024 bytes, and powers of two should be used for optimal performance:
``` console
$ DEFMT_RTT_BUFFER_SIZE=64 cargo rb hello
```
#### (8. Set `rust-analyzer.linkedProjects`)
If you are using [rust-analyzer] with VS Code for IDE-like features you can add following configuration to your `.vscode/settings.json` to make it work transparently across workspaces. Find the details of this option in the [RA docs].
```json
{
"rust-analyzer.linkedProjects": [
"Cargo.toml",
"firmware/Cargo.toml",
]
}
```
[RA docs]: https://rust-analyzer.github.io/manual.html#configuration
[rust-analyzer]: https://rust-analyzer.github.io/
## Running tests
The template comes configured for running unit tests and integration tests on the target.
Unit tests reside in the library crate and can test private API; the initial set of unit tests are in `src/lib.rs`.
`cargo test --lib` will run those unit tests.
``` console
$ cargo test --lib
(1/1) running `it_works`...
└─ app::unit_tests::__defmt_test_entry @ src/lib.rs:33
all tests passed!
└─ app::unit_tests::__defmt_test_entry @ src/lib.rs:28
```
Integration tests reside in the `tests` directory; the initial set of integration tests are in `tests/integration.rs`.
`cargo test --test integration` will run those integration tests.
Note that the argument of the `--test` flag must match the name of the test file in the `tests` directory.
``` console
$ cargo test --test integration
(1/1) running `it_works`...
└─ integration::tests::__defmt_test_entry @ tests/integration.rs:13
all tests passed!
└─ integration::tests::__defmt_test_entry @ tests/integration.rs:8
```
Note that to add a new test file to the `tests` directory you also need to add a new `[[test]]` section to `Cargo.toml`.
## Support
`app-template` is part of the [Knurling] project, [Ferrous Systems]' effort at
improving tooling used to develop for embedded systems.
If you think that our work is useful, consider sponsoring it via [GitHub
Sponsors].
## License
Licensed under either of
- Apache License, Version 2.0 ([LICENSE-APACHE](LICENSE-APACHE) or
http://www.apache.org/licenses/LICENSE-2.0)
- MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)
at your option.
### Contribution
Unless you explicitly state otherwise, any contribution intentionally submitted
for inclusion in the work by you, as defined in the Apache-2.0 license, shall be
licensed as above, without any additional terms or conditions.
[Knurling]: https://knurling.ferrous-systems.com
[Ferrous Systems]: https://ferrous-systems.com/
[GitHub Sponsors]: https://github.com/sponsors/knurling-rs

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MEMORY
{
/* FLASH and RAM are mandatory memory regions */
/* STM32H742xI/743xI/753xI */
/* STM32H745xI/747xI/755xI/757xI */
/* STM32H7A3xI/7B3xI */
FLASH : ORIGIN = 0x08000000, LENGTH = 2M
/* STM32H742xG/743xG */
/* STM32H745xG/STM32H747xG */
/* STM32H7A3xG */
/* FLASH : ORIGIN = 0x08000000, LENGTH = 512K */
/* FLASH1 : ORIGIN = 0x08100000, LENGTH = 512K */
/* STM32H750xB */
/* STM32H7B0 */
/* FLASH : ORIGIN = 0x08000000, LENGTH = 128K */
/* DTCM */
RAM : ORIGIN = 0x20000000, LENGTH = 128K
/* AXISRAM */
AXISRAM : ORIGIN = 0x24000000, LENGTH = 512K
/* SRAM */
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
/* Instruction TCM */
ITCM : ORIGIN = 0x00000000, LENGTH = 64K
}
/* The location of the stack can be overridden using the
`_stack_start` symbol. Place the stack at the end of RAM */
_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; */
/* These sections are used for some of the examples */
SECTIONS {
.axisram (NOLOAD) : ALIGN(8) {
*(.axisram .axisram.*);
. = ALIGN(8);
} > AXISRAM
/* The SRAM1 and SRAM2 section are commonly used as the stack and heap for the
CM4 core in dualcore versions and should thus not be used in examples*/
.sram3 (NOLOAD) : ALIGN(4) {
*(.sram3 .sram3.*);
. = ALIGN(4);
} > SRAM3
.sram4 (NOLOAD) : ALIGN(4) {
*(.sram4 .sram4.*);
. = ALIGN(4);
} > SRAM4
};

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#![no_main]
#![no_std]
use satrs_stm32h7_rtic as _; // global logger + panicking-behavior + memory layout
#[cortex_m_rt::entry]
fn main() -> ! {
defmt::println!("Hello, world!");
satrs_stm32h7_rtic::exit()
}

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#![no_main]
#![no_std]
use cortex_m_semihosting::debug;
use defmt_rtt as _; // global logger
// TODO(5) adjust HAL import
use stm32h7xx_hal as _; // memory layout
use panic_probe as _;
// 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(debug::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(debug::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)
}
}

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#![no_main]
#![no_std]
use satrs_stm32h7_rtic as _; // global logger + panicking-behavior + memory layout
#[cortex_m_rt::entry]
fn main() -> ! {
defmt::println!("Hello, world!");
satrs_stm32h7_rtic::exit()
}

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#![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)
}
}

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/settings.json
/.cortex-debug.*

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{
// 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": []
}

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{
"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-rtic",
"rttEnabled": true,
"svdFile": "STM32H743.svd"
}
]
}
]
}

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{
// 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
}
},
]
}