New CCSDS & ECSS Components #7

Merged
muellerr merged 17 commits from workspace-spacepackets into main 2022-06-16 15:48:04 +02:00
20 changed files with 1407 additions and 36 deletions

View File

@ -7,6 +7,7 @@
<option name="allFeatures" value="false" />
<option name="emulateTerminal" value="false" />
<option name="withSudo" value="false" />
<option name="buildTarget" value="REMOTE" />
<option name="backtrace" value="SHORT" />
<envs />
<option name="isRedirectInput" value="false" />

538
Cargo.lock generated
View File

@ -2,24 +2,81 @@
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version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
[[package]]
name = "wyz"
version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "129e027ad65ce1453680623c3fb5163cbf7107bfe1aa32257e7d0e63f9ced188"
dependencies = [
"tap",
]
[[package]]
name = "zerocopy"
version = "0.6.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "332f188cc1bcf1fe1064b8c58d150f497e697f49774aa846f2dc949d9a25f236"
dependencies = [
"byteorder",
"zerocopy-derive",
]
[[package]]
name = "zerocopy-derive"
version = "0.3.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a0fbc82b82efe24da867ee52e015e58178684bd9dd64c34e66bdf21da2582a9f"
dependencies = [
"proc-macro2",
"syn",
"synstructure",
]

View File

@ -1,11 +1,6 @@
[package]
name = "launchpad"
version = "0.1.0"
edition = "2021"
[workspace]
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
thiserror = "1.0"
bus = "2.2.3"
num = "0.4"
members = [
"fsrc-core",
"spacepackets",
]

82
archive.rs Normal file
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@ -0,0 +1,82 @@
/*
pub mod deku {
pub use ccsds_spacepacket::PrimaryHeader as SpHeader;
use crate::sp::{self, PacketId, PacketSequenceCtrl};
use crate::sp::{CcsdsPrimaryHeader, PacketType, SequenceFlags};
impl CcsdsPrimaryHeader for SpHeader {
fn from_composite_fields(packet_id: PacketId, psc: PacketSequenceCtrl, data_len: u16, version: Option<u8>) -> Self {
let mut version_to_set = 0b000;
if let Some(version) = version {
version_to_set = version;
}
let packet_type = match packet_id.ptype {
PacketType::Tm => ccsds_spacepacket::types::PacketType::Data,
PacketType::Tc => ccsds_spacepacket::types::PacketType::Command
};
let sec_header_flag = match packet_id.sec_header_flag {
true => ccsds_spacepacket::types::SecondaryHeaderFlag::Present,
false => ccsds_spacepacket::types::SecondaryHeaderFlag::NotPresent
};
let sequence_flags = match psc.seq_flags {
SequenceFlags::ContinuationSegment => ccsds_spacepacket::types::SeqFlag::Continuation,
SequenceFlags::FirstSegment => ccsds_spacepacket::types::SeqFlag::FirstSegment,
SequenceFlags::LastSegment => ccsds_spacepacket::types::SeqFlag::LastSegment,
SequenceFlags::Unsegmented => ccsds_spacepacket::types::SeqFlag::Unsegmented
};
SpHeader {
version: version_to_set,
packet_type,
sec_header_flag,
app_proc_id: packet_id.apid,
sequence_flags,
sequence_count: psc.ssc,
data_length: data_len
}
}
#[inline]
fn version(&self) -> u8 {
self.version
}
#[inline]
fn packet_id(&self) -> PacketId {
PacketId {
ptype: PacketType::try_from(self.packet_type as u8).unwrap(),
apid: self.app_proc_id,
sec_header_flag: self.sec_header_flag as u8 != 0
}
}
#[inline]
fn psc(&self) -> PacketSequenceCtrl {
PacketSequenceCtrl {
seq_flags: SequenceFlags::try_from(self.sequence_flags as u8).unwrap(),
ssc: self.sequence_count
}
}
#[inline]
fn data_len(&self) -> u16 {
self.data_length
}
}
sph_from_other!(SpHeader, sp::srd::SpHeader);
sph_from_other!(SpHeader, sp::zc::SpHeader);
}
*/
/*
#[test]
fn test_deser_to_raw_packed_deku() {
let sp_header = SpHeader::tc(0x42, 12).expect("Error creating SP header");
// TODO: Wait with these tests until KubOS merged
// https://github.com/KubOS-Preservation-Group/ccsds-spacepacket/pull/14
let _deku_header =
deku::SpHeader::try_from(sp_header).expect("Error creating Deku Sp Header");
// deku_header.to_bytes().unwrap();
}
*/

16
fsrc-core/Cargo.toml Normal file
View File

@ -0,0 +1,16 @@
[package]
name = "fsrc-core"
version = "0.1.0"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
thiserror = "1.0"
bus = "2.2.3"
num = "0.4"
heapless = "0.7.13"
postcard = { version = "0.7.3", features = ["use-std"] }
serde = "1.0.137"
deku = "0.13"
zerocopy = "0.6.1"

View File

@ -1,5 +1,5 @@
//! [Event][crate::core::events::Event] management and forwarding
use crate::core::events::{Event, EventRaw, GroupId};
use crate::events::{Event, EventRaw, GroupId};
use std::collections::HashMap;
#[derive(PartialEq, Eq, Hash, Copy, Clone)]
@ -115,8 +115,8 @@ impl<E> EventManager<E> {
#[cfg(test)]
mod tests {
use super::{EventListener, HandlerResult, ReceivesAllEvent};
use crate::core::event_man::EventManager;
use crate::core::events::{Event, Severity};
use crate::event_man::EventManager;
use crate::events::{Event, Severity};
use std::sync::mpsc::{channel, Receiver, SendError, Sender};
use std::thread;
use std::time::Duration;

View File

@ -95,7 +95,7 @@ impl TryFrom<EventRaw> for Event {
#[cfg(test)]
mod tests {
use super::Event;
use crate::core::events::Severity;
use crate::events::Severity;
#[test]
fn test_events() {

View File

@ -10,7 +10,7 @@
//! ```
//! use std::any::Any;
//! use std::error::Error;
//! use launchpad::core::objects::{ManagedSystemObject, ObjectId, ObjectManager, SystemObject};
//! use fsrc_core::objects::{ManagedSystemObject, ObjectId, ObjectManager, SystemObject};
//!
//! struct ExampleSysObj {
//! id: ObjectId,
@ -125,7 +125,7 @@ impl ObjectManager {
#[cfg(test)]
mod tests {
use crate::core::objects::{ManagedSystemObject, ObjectId, ObjectManager, SystemObject};
use crate::objects::{ManagedSystemObject, ObjectId, ObjectManager, SystemObject};
use std::any::Any;
use std::error::Error;
use std::sync::{Arc, Mutex};

View File

@ -13,7 +13,7 @@
//! # Example
//!
//! ```
//! use launchpad::core::pool::{LocalPool, PoolCfg};
//! use fsrc_core::pool::{LocalPool, PoolCfg};
//!
//! // 4 buckets of 4 bytes, 2 of 8 bytes and 1 of 16 bytes
//! let pool_cfg = PoolCfg::new(vec![(4, 4), (2, 8), (1, 16)]);
@ -308,7 +308,7 @@ impl LocalPool {
#[cfg(test)]
mod tests {
use crate::core::pool::{LocalPool, PoolCfg, StoreAddr, StoreError, StoreIdError};
use crate::pool::{LocalPool, PoolCfg, StoreAddr, StoreError, StoreIdError};
#[test]
fn test_cfg() {

14
spacepackets/Cargo.toml Normal file
View File

@ -0,0 +1,14 @@
[package]
name = "spacepackets"
version = "0.1.0"
edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
num = "0.4"
postcard = { version = "0.7.3", features = ["use-std"] }
serde = "1.0.137"
deku = "0.13"
zerocopy = "0.6.1"
crc = "3.0.0"

13
spacepackets/src/ecss.rs Normal file
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@ -0,0 +1,13 @@
use crate::CcsdsPacket;
pub trait PusPacket: CcsdsPacket {
fn service(&self) -> u8;
fn subservice(&self) -> u8;
fn source_id(&self) -> u16;
fn ack_flags(&self) -> u8;
fn user_data(&self) -> Option<&[u8]>;
fn crc16(&self) -> Option<u16>;
/// Verify that the packet is valid. PUS packets have a CRC16 checksum to do this
fn verify(&mut self) -> bool;
}

539
spacepackets/src/lib.rs Normal file
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@ -0,0 +1,539 @@
//! # Space related components including CCSDS and ECSS packet standards
use serde::{Deserialize, Serialize};
pub mod ecss;
pub mod tc;
pub mod tm;
#[derive(Debug, Copy, Clone, PartialEq)]
pub enum PacketError {
/// The passed slice is too small. Returns the required size of the failed size chgeck
ToBytesSliceTooSmall(usize),
/// The [zerocopy] library failed to write to bytes
ToBytesZeroCopyError,
}
#[derive(Serialize, Deserialize, Debug, PartialEq, Copy, Clone)]
pub enum PacketType {
Tm = 0,
Tc = 1,
}
impl TryFrom<u8> for PacketType {
type Error = ();
fn try_from(value: u8) -> Result<Self, Self::Error> {
match value {
x if x == PacketType::Tm as u8 => Ok(PacketType::Tm),
x if x == PacketType::Tc as u8 => Ok(PacketType::Tc),
_ => Err(()),
}
}
}
pub fn type_from_packet_id(packet_id: u16) -> PacketType {
PacketType::try_from((packet_id >> 12) as u8 & 0b1).unwrap()
}
#[derive(Serialize, Deserialize, Debug, PartialEq, Copy, Clone)]
pub enum SequenceFlags {
ContinuationSegment = 0b00,
FirstSegment = 0b01,
LastSegment = 0b10,
Unsegmented = 0b11,
}
impl TryFrom<u8> for SequenceFlags {
type Error = ();
fn try_from(value: u8) -> Result<Self, Self::Error> {
match value {
x if x == SequenceFlags::ContinuationSegment as u8 => {
Ok(SequenceFlags::ContinuationSegment)
}
x if x == SequenceFlags::FirstSegment as u8 => Ok(SequenceFlags::FirstSegment),
x if x == SequenceFlags::LastSegment as u8 => Ok(SequenceFlags::LastSegment),
x if x == SequenceFlags::Unsegmented as u8 => Ok(SequenceFlags::Unsegmented),
_ => Err(()),
}
}
}
#[derive(Serialize, Deserialize, Debug, PartialEq, Copy, Clone)]
pub struct PacketId {
pub ptype: PacketType,
pub sec_header_flag: bool,
apid: u16,
}
impl PacketId {
pub fn new(ptype: PacketType, sec_header_flag: bool, apid: u16) -> Option<PacketId> {
if apid > num::pow(2, 11) - 1 {
return None;
}
Some(PacketId {
ptype,
sec_header_flag,
apid,
})
}
pub fn set_apid(&mut self, apid: u16) -> bool {
if apid > num::pow(2, 11) {
return false;
}
self.apid = apid;
true
}
pub fn apid(&self) -> u16 {
self.apid
}
pub fn raw(&self) -> u16 {
((self.ptype as u16) << 12) | ((self.sec_header_flag as u16) << 11) | self.apid
}
}
impl From<u16> for PacketId {
fn from(raw_id: u16) -> Self {
PacketId {
ptype: PacketType::try_from(((raw_id >> 12) & 0b1) as u8).unwrap(),
sec_header_flag: ((raw_id >> 11) & 0b1) != 0,
apid: raw_id & 0x7FF,
}
}
}
#[derive(Serialize, Deserialize, Debug, PartialEq, Copy, Clone)]
pub struct PacketSequenceCtrl {
pub seq_flags: SequenceFlags,
ssc: u16,
}
impl PacketSequenceCtrl {
pub fn new(seq_flags: SequenceFlags, ssc: u16) -> Option<PacketSequenceCtrl> {
if ssc > num::pow(2, 14) - 1 {
return None;
}
Some(PacketSequenceCtrl { seq_flags, ssc })
}
pub fn raw(&self) -> u16 {
((self.seq_flags as u16) << 14) | self.ssc
}
pub fn set_ssc(&mut self, ssc: u16) -> bool {
if ssc > num::pow(2, 14) - 1 {
return false;
}
self.ssc = ssc;
true
}
pub fn ssc(&self) -> u16 {
self.ssc
}
}
impl From<u16> for PacketSequenceCtrl {
fn from(raw_id: u16) -> Self {
PacketSequenceCtrl {
seq_flags: SequenceFlags::try_from(((raw_id >> 14) & 0b11) as u8).unwrap(),
ssc: raw_id & SSC_MASK,
}
}
}
macro_rules! sph_from_other {
($Self: path, $other: path) => {
impl From<$other> for $Self {
fn from(other: $other) -> Self {
Self::from_composite_fields(
other.packet_id(),
other.psc(),
other.data_len(),
Some(other.version()),
)
}
}
};
}
const SSC_MASK: u16 = 0x3FFF;
const VERSION_MASK: u16 = 0xE000;
/// Generic trait to access fields of a CCSDS space packet header according to CCSDS 133.0-B-2
pub trait CcsdsPacket {
fn version(&self) -> u8;
fn packet_id(&self) -> PacketId;
fn psc(&self) -> PacketSequenceCtrl;
/// Retrieve data length field
fn data_len(&self) -> u16;
/// Retrieve 13 bit Packet Identification field. Can usually be retrieved with a bitwise AND
/// of the first 2 bytes with 0x1FFF
#[inline]
fn packet_id_raw(&self) -> u16 {
self.packet_id().raw()
}
/// Retrieve Packet Sequence Count
#[inline]
fn psc_raw(&self) -> u16 {
self.psc().raw()
}
#[inline]
/// Retrieve Packet Type (TM: 0, TC: 1)
fn ptype(&self) -> PacketType {
// This call should never fail because only 0 and 1 can be passed to the try_from call
self.packet_id().ptype
}
#[inline]
fn is_tm(&self) -> bool {
self.ptype() == PacketType::Tm
}
#[inline]
fn is_tc(&self) -> bool {
self.ptype() == PacketType::Tc
}
/// Retrieve the secondary header flag. Returns true if a secondary header is present
/// and false if it is not
#[inline]
fn sec_header_flag(&self) -> bool {
self.packet_id().sec_header_flag
}
/// Retrieve Application Process ID
#[inline]
fn apid(&self) -> u16 {
self.packet_id().apid
}
#[inline]
fn ssc(&self) -> u16 {
self.psc().ssc
}
#[inline]
fn sequence_flags(&self) -> SequenceFlags {
// This call should never fail because the mask ensures that only valid values are passed
// into the try_from function
self.psc().seq_flags
}
}
pub trait CcsdsPrimaryHeader {
fn from_composite_fields(
packet_id: PacketId,
psc: PacketSequenceCtrl,
data_len: u16,
version: Option<u8>,
) -> Self;
}
pub mod srd {
use crate::{
CcsdsPacket, CcsdsPrimaryHeader, PacketId, PacketSequenceCtrl, PacketType,
SequenceFlags,
};
/// Space Packet Primary Header according to CCSDS 133.0-B-2
#[derive(serde::Serialize, serde::Deserialize, Debug, PartialEq, Copy, Clone)]
pub struct SpHeader {
pub version: u8,
pub packet_id: PacketId,
pub psc: PacketSequenceCtrl,
pub data_len: u16,
}
impl Default for SpHeader {
fn default() -> Self {
SpHeader {
version: 0,
packet_id: PacketId {
ptype: PacketType::Tm,
apid: 0,
sec_header_flag: true,
},
psc: PacketSequenceCtrl {
seq_flags: SequenceFlags::Unsegmented,
ssc: 0,
},
data_len: 0,
}
}
}
impl SpHeader {
pub fn new(apid: u16, ptype: PacketType, ssc: u16) -> Option<Self> {
if ssc > num::pow(2, 14) || apid > num::pow(2, 11) {
return None;
}
let mut header = SpHeader::default();
header.packet_id.apid = apid;
header.packet_id.ptype = ptype;
header.psc.ssc = ssc;
Some(header)
}
pub fn tm(apid: u16, ssc: u16) -> Option<Self> {
Self::new(apid, PacketType::Tm, ssc)
}
pub fn tc(apid: u16, ssc: u16) -> Option<Self> {
Self::new(apid, PacketType::Tc, ssc)
}
}
impl CcsdsPacket for SpHeader {
#[inline]
fn version(&self) -> u8 {
self.version
}
#[inline]
fn packet_id(&self) -> PacketId {
self.packet_id
}
#[inline]
fn psc(&self) -> PacketSequenceCtrl {
self.psc
}
#[inline]
fn data_len(&self) -> u16 {
self.data_len
}
}
impl CcsdsPrimaryHeader for SpHeader {
fn from_composite_fields(
packet_id: PacketId,
psc: PacketSequenceCtrl,
data_len: u16,
version: Option<u8>,
) -> Self {
let mut version_to_set = 0b000;
if let Some(version) = version {
version_to_set = version;
}
SpHeader {
version: version_to_set,
packet_id,
psc,
data_len,
}
}
}
sph_from_other!(SpHeader, crate::zc::SpHeader);
}
pub mod zc {
use crate::{
CcsdsPacket, CcsdsPrimaryHeader, PacketId, PacketSequenceCtrl, VERSION_MASK,
};
use zerocopy::byteorder::NetworkEndian;
use zerocopy::{AsBytes, FromBytes, Unaligned, U16};
#[derive(FromBytes, AsBytes, Unaligned, Debug)]
#[repr(C)]
pub struct SpHeader {
version_packet_id: U16<NetworkEndian>,
psc: U16<NetworkEndian>,
data_len: U16<NetworkEndian>,
}
impl SpHeader {
pub fn new(
packet_id: PacketId,
psc: PacketSequenceCtrl,
data_len: u16,
version: Option<u8>,
) -> Self {
let mut version_packet_id = packet_id.raw();
if let Some(version) = version {
version_packet_id = ((version as u16) << 13) | packet_id.raw()
}
SpHeader {
version_packet_id: U16::from(version_packet_id),
psc: U16::from(psc.raw()),
data_len: U16::from(data_len),
}
}
pub fn from_bytes(slice: impl AsRef<[u8]>) -> Option<Self> {
SpHeader::read_from(slice.as_ref())
}
pub fn to_bytes(&self, mut slice: impl AsMut<[u8]>) -> Option<()> {
self.write_to(slice.as_mut())
}
}
impl CcsdsPacket for SpHeader {
#[inline]
fn version(&self) -> u8 {
((self.version_packet_id.get() >> 13) as u8) & 0b111
}
fn packet_id_raw(&self) -> u16 {
self.version_packet_id.get() & (!VERSION_MASK)
}
fn packet_id(&self) -> PacketId {
PacketId::from(self.packet_id_raw())
}
fn psc_raw(&self) -> u16 {
self.psc.get()
}
fn psc(&self) -> PacketSequenceCtrl {
PacketSequenceCtrl::from(self.psc_raw())
}
#[inline]
fn data_len(&self) -> u16 {
self.data_len.get()
}
}
impl CcsdsPrimaryHeader for SpHeader {
fn from_composite_fields(
packet_id: PacketId,
psc: PacketSequenceCtrl,
data_len: u16,
version: Option<u8>,
) -> Self {
SpHeader::new(packet_id, psc, data_len, version)
}
}
sph_from_other!(SpHeader, crate::srd::SpHeader);
}
#[cfg(test)]
mod tests {
use crate::srd::SpHeader;
use crate::{zc, CcsdsPacket, PacketId, PacketSequenceCtrl, PacketType, SequenceFlags};
use postcard::{from_bytes, to_stdvec};
#[test]
fn test_helpers() {
let packet_id = PacketId {
ptype: PacketType::Tm,
sec_header_flag: false,
apid: 0x42,
};
assert_eq!(packet_id.raw(), 0x42);
let packet_id_from_raw = PacketId::from(packet_id.raw());
assert_eq!(packet_id_from_raw, packet_id);
let packet_id_invalid = PacketId::new(PacketType::Tc, true, 0xFFFF);
assert!(packet_id_invalid.is_none());
let packet_id_from_new = PacketId::new(PacketType::Tm, false, 0x42).unwrap();
assert_eq!(packet_id_from_new, packet_id);
let psc = PacketSequenceCtrl {
seq_flags: SequenceFlags::ContinuationSegment,
ssc: 77,
};
assert_eq!(psc.raw(), 77);
let psc_from_raw = PacketSequenceCtrl::from(psc.raw());
assert_eq!(psc_from_raw, psc);
let psc_invalid = PacketSequenceCtrl::new(SequenceFlags::FirstSegment, 0xFFFF);
assert!(psc_invalid.is_none());
let psc_from_new = PacketSequenceCtrl::new(SequenceFlags::ContinuationSegment, 77).unwrap();
assert_eq!(psc_from_new, psc);
}
#[test]
fn test_deser_internally() {
let sp_header = SpHeader::tc(0x42, 12).expect("Error creating SP header");
assert_eq!(sp_header.version(), 0b000);
assert!(sp_header.is_tc());
assert!(sp_header.sec_header_flag());
assert_eq!(sp_header.ptype(), PacketType::Tc);
assert_eq!(sp_header.ssc(), 12);
assert_eq!(sp_header.apid(), 0x42);
assert_eq!(sp_header.sequence_flags(), SequenceFlags::Unsegmented);
assert_eq!(sp_header.data_len(), 0);
let output = to_stdvec(&sp_header).unwrap();
let sp_header: SpHeader = from_bytes(&output).unwrap();
assert_eq!(sp_header.version, 0b000);
assert!(sp_header.packet_id.sec_header_flag);
assert_eq!(sp_header.ptype(), PacketType::Tc);
assert_eq!(sp_header.ssc(), 12);
assert_eq!(sp_header.apid(), 0x42);
assert_eq!(sp_header.sequence_flags(), SequenceFlags::Unsegmented);
assert_eq!(sp_header.packet_id_raw(), 0x1842);
assert_eq!(sp_header.psc_raw(), 0xC00C);
assert_eq!(sp_header.version(), 0b000);
assert_eq!(sp_header.data_len, 0);
let mut sp_header = SpHeader::tm(0x7, 22).expect("Error creating SP header");
sp_header.data_len = 36;
assert_eq!(sp_header.version(), 0b000);
assert!(sp_header.is_tm());
assert!(sp_header.sec_header_flag());
assert_eq!(sp_header.ptype(), PacketType::Tm);
assert_eq!(sp_header.ssc(), 22);
assert_eq!(sp_header.apid(), 0x07);
assert_eq!(sp_header.sequence_flags(), SequenceFlags::Unsegmented);
assert_eq!(sp_header.packet_id_raw(), 0x0807);
assert_eq!(sp_header.psc_raw(), 0xC016);
assert_eq!(sp_header.data_len(), 36);
assert_eq!(sp_header.version(), 0b000);
}
#[test]
fn test_deser_zerocopy() {
use zerocopy::AsBytes;
let sp_header = SpHeader::tc(0x7FF, num::pow(2, 14) - 1).expect("Error creating SP header");
assert_eq!(sp_header.packet_id.ptype, PacketType::Tc);
assert!(sp_header.is_tc());
let sp_header_zc = zc::SpHeader::from(sp_header);
let slice = sp_header_zc.as_bytes();
assert_eq!(slice.len(), 6);
assert_eq!(slice[0], 0x1F);
assert_eq!(slice[1], 0xFF);
assert_eq!(slice[2], 0xFF);
assert_eq!(slice[3], 0xFF);
assert_eq!(slice[4], 0x00);
assert_eq!(slice[5], 0x00);
let mut slice = [0; 6];
sp_header_zc.write_to(slice.as_mut_slice());
assert_eq!(slice.len(), 6);
assert_eq!(slice[0], 0x1F);
assert_eq!(slice[1], 0xFF);
assert_eq!(slice[2], 0xFF);
assert_eq!(slice[3], 0xFF);
assert_eq!(slice[4], 0x00);
assert_eq!(slice[5], 0x00);
let mut test_vec = vec![0_u8; 6];
let slice = test_vec.as_mut_slice();
sp_header_zc.write_to(slice);
let slice = test_vec.as_slice();
assert_eq!(slice.len(), 6);
assert_eq!(slice[0], 0x1F);
assert_eq!(slice[1], 0xFF);
assert_eq!(slice[2], 0xFF);
assert_eq!(slice[3], 0xFF);
assert_eq!(slice[4], 0x00);
assert_eq!(slice[5], 0x00);
let sp_header = zc::SpHeader::from_bytes(slice);
assert!(sp_header.is_some());
let sp_header = sp_header.unwrap();
println!("Header: {:?}", sp_header);
assert_eq!(sp_header.version(), 0b000);
assert_eq!(sp_header.packet_id_raw(), 0x1FFF);
assert_eq!(sp_header.apid(), 0x7FF);
assert_eq!(sp_header.ptype(), PacketType::Tc);
assert_eq!(sp_header.data_len(), 0);
}
}

43
spacepackets/src/main.rs Normal file
View File

@ -0,0 +1,43 @@
use postcard::to_stdvec;
use serde::{Deserialize, Serialize};
use zerocopy::byteorder::{I32, U16};
use zerocopy::{AsBytes, FromBytes, NetworkEndian, Unaligned};
#[derive(AsBytes, FromBytes, Unaligned, Debug, Eq, PartialEq)]
#[repr(C, packed)]
struct ZeroCopyTest {
some_bool: u8,
some_u16: U16<NetworkEndian>,
some_i32: I32<NetworkEndian>,
some_float: [u8; 4],
}
#[derive(Serialize, Deserialize, Debug, PartialEq)]
struct PostcardTest {
some_bool: u8,
some_u16: u16,
some_i32: i32,
some_float: f32,
}
fn main() {
let pc_test = PostcardTest {
some_bool: true as u8,
some_u16: 0x42,
some_i32: -200,
some_float: 7.7_f32,
};
let out = to_stdvec(&pc_test).unwrap();
println!("{:#04x?}", out);
let sample_hk = ZeroCopyTest {
some_bool: true as u8,
some_u16: U16::from(0x42),
some_i32: I32::from(-200),
some_float: 7.7_f32.to_ne_bytes(),
};
let mut slice = [0; 11];
sample_hk.write_to(slice.as_mut_slice());
println!("{:#04x?}", slice);
}

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spacepackets/src/tc.rs Normal file
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use crc::{Crc, CRC_16_IBM_3740};
use serde::{Deserialize, Serialize};
/// All PUS versions. Only PUS C is supported by this library
#[derive(PartialEq, Copy, Clone, Serialize, Deserialize)]
pub enum PusVersion {
EsaPus = 0,
PusA = 1,
PusC = 2,
}
pub const CRC_CCITT_FALSE: Crc<u16> = Crc::<u16>::new(&CRC_16_IBM_3740);
pub mod zc {
use zerocopy::{AsBytes, FromBytes, NetworkEndian, Unaligned, U16};
#[derive(FromBytes, AsBytes, Unaligned)]
#[repr(C)]
pub struct PusTcDataFieldHeader {
version_ack: u8,
service: u8,
subservice: u8,
source_id: U16<NetworkEndian>,
}
}
pub mod srd {
use crate::ecss::PusPacket;
use crate::srd::SpHeader;
use crate::tc::{PusVersion, CRC_CCITT_FALSE};
use crate::{CcsdsPacket, PacketError, PacketId, PacketSequenceCtrl, PacketType};
use serde::{Deserialize, Serialize};
#[derive(PartialEq, Copy, Clone, Serialize, Deserialize)]
pub struct PusTcDataFieldHeader {
pub service: u8,
pub subservice: u8,
pub source_id: u16,
pub ack: u8,
pub version: PusVersion,
}
impl PusTcDataFieldHeader {
pub fn new(service: u8, subservice: u8, ack: u8) -> Self {
PusTcDataFieldHeader {
service,
subservice,
ack,
source_id: 0,
version: PusVersion::PusC,
}
}
}
#[derive(PartialEq, Copy, Clone, Serialize, Deserialize)]
pub struct PusTc<'slice> {
pub sph: SpHeader,
pub data_field_header: PusTcDataFieldHeader,
raw_data: Option<&'slice [u8]>,
app_data: Option<&'slice [u8]>,
crc16: Option<u16>,
}
impl<'slice> PusTc<'slice> {
pub fn new(
sph: &mut SpHeader,
service: u8,
subservice: u8,
app_data: Option<&'slice [u8]>,
) -> Self {
sph.packet_id.ptype = PacketType::Tc;
PusTc {
sph: *sph,
raw_data: None,
app_data,
data_field_header: PusTcDataFieldHeader::new(service, subservice, 0b1111),
crc16: None,
}
}
pub fn write(&mut self, mut slice: impl AsMut<[u8]>) -> Result<(), PacketError> {
let sph_zc = crate::zc::SpHeader::from(self.sph);
if slice.as_mut().len() < 6 {
return Err(PacketError::ToBytesSliceTooSmall(6));
}
sph_zc
.to_bytes(slice)
.ok_or(PacketError::ToBytesZeroCopyError)?;
// TODO: Finish impl
Ok(())
}
}
impl CcsdsPacket for PusTc<'_> {
fn version(&self) -> u8 {
self.sph.version
}
fn packet_id(&self) -> PacketId {
self.sph.packet_id
}
fn psc(&self) -> PacketSequenceCtrl {
self.sph.psc
}
fn data_len(&self) -> u16 {
self.sph.data_len
}
}
impl PusPacket for PusTc<'_> {
fn service(&self) -> u8 {
self.data_field_header.service
}
fn subservice(&self) -> u8 {
self.data_field_header.subservice
}
fn source_id(&self) -> u16 {
self.data_field_header.source_id
}
fn ack_flags(&self) -> u8 {
self.data_field_header.ack
}
fn user_data(&self) -> Option<&[u8]> {
self.app_data
}
fn crc16(&self) -> Option<u16> {
self.crc16
}
fn verify(&mut self) -> bool {
let mut digest = CRC_CCITT_FALSE.digest();
if self.raw_data.is_none() {
return false;
}
digest.update(self.raw_data.unwrap().as_ref());
if digest.finalize() == 0 {
return true;
}
false
}
}
}
#[cfg(test)]
mod tests {
use crate::srd::SpHeader;
use crate::tc::srd::PusTc;
use postcard::to_stdvec;
#[test]
fn test_tc() {
let mut sph = SpHeader::tc(0x42, 12).unwrap();
let pus_tc = PusTc::new(&mut sph, 1, 1, None);
let out = to_stdvec(&pus_tc).unwrap();
println!("Vector {:#04x?} with length {}", out, out.len());
}
}

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spacepackets/src/tm.rs Normal file
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pub mod core;

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fn main() {}