make spacepackets no_std

spacepackets/Cargo.toml

@@ -2,13 +2,33 @@
 name = "spacepackets"
 version = "0.1.0"
 edition = "2021"
-
+authors = ["Robin Mueller <muellerr@irs.uni-stuttgart.de>"]
+description = "Generic implementations for various CCSDS and ECSS packet standards"
+homepage = "https://egit.irs.uni-stuttgart.de/rust/spacepackets"
+repository = "https://egit.irs.uni-stuttgart.de/rust/spacepackets"
+license = "Apache-2.0"
+keywords = ["no-std", "space", "packets", "ccsds", "ecss"]
+categories = ["aerospace", "aerospace::space-protocols", "no-std", "hardware-support", "embedded"]
 # 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"
 zerocopy = "0.6.1"
 crc = "3.0.0"
 delegate = "0.7.0"
+
+[dependencies.heapless]
+version = "0.7.14"
+optional = true
+
+[dev-dependencies]
+
+[dev-dependencies.postcard]
+version = "0.7.3"
+features = ["use-std"]
+
+[features]
+
+default = ["heapless", "alloc"]
+alloc = ["serde/alloc"]

spacepackets/src/ecss.rs

@@ -1,7 +1,7 @@
 use crate::{CcsdsPacket, PacketError};
 use crc::{Crc, CRC_16_IBM_3740};
 use serde::{Deserialize, Serialize};
-use std::mem::size_of;
+use core::mem::size_of;
 
 /// CRC algorithm used by the PUS standard
 pub const CRC_CCITT_FALSE: Crc<u16> = Crc::<u16>::new(&CRC_16_IBM_3740);

spacepackets/src/lib.rs

@@ -1,4 +1,7 @@
 //! # Space related components including CCSDS and ECSS packet standards
+#![no_std]
+extern crate alloc;
+
 use crate::ecss::CCSDS_HEADER_LEN;
 use serde::{Deserialize, Serialize};
 
@@ -237,7 +240,7 @@ pub trait CcsdsPrimaryHeader {
     ) -> Self;
 }
 
-pub mod srd {
+pub mod ser {
     use crate::{
         CcsdsPacket, CcsdsPrimaryHeader, PacketId, PacketSequenceCtrl, PacketType, SequenceFlags,
     };
@@ -412,12 +415,13 @@ pub mod zc {
         }
     }
 
-    sph_from_other!(SpHeader, crate::srd::SpHeader);
+    sph_from_other!(SpHeader, crate::ser::SpHeader);
 }
 
 #[cfg(test)]
 mod tests {
-    use crate::srd::SpHeader;
+    use alloc::vec;
+    use crate::ser::SpHeader;
     use crate::{
         packet_type_in_raw_packet_id, zc, CcsdsPacket, CcsdsPrimaryHeader, PacketId,
         PacketSequenceCtrl, PacketType, SequenceFlags,

spacepackets/src/tc.rs

@@ -1,6 +1,6 @@
 use crate::ecss::PusVersion;
 use crate::CCSDS_HEADER_LEN;
-use std::mem::size_of;
+use core::mem::size_of;
 
 type CrcType = u16;
 
@@ -32,7 +32,7 @@ pub trait PusTcSecondaryHeader {
 
 pub mod zc {
     use crate::ecss::{PusError, PusVersion};
-    use crate::tc::{srd, PusTcSecondaryHeader};
+    use crate::tc::{ser, PusTcSecondaryHeader};
     use zerocopy::{AsBytes, FromBytes, NetworkEndian, Unaligned, U16};
 
     #[derive(FromBytes, AsBytes, Unaligned)]
@@ -44,9 +44,9 @@ pub mod zc {
         source_id: U16<NetworkEndian>,
     }
 
-    impl TryFrom<srd::PusTcDataFieldHeader> for PusTcDataFieldHeader {
+    impl TryFrom<ser::PusTcDataFieldHeader> for PusTcDataFieldHeader {
         type Error = PusError;
-        fn try_from(value: srd::PusTcDataFieldHeader) -> Result<Self, Self::Error> {
+        fn try_from(value: ser::PusTcDataFieldHeader) -> Result<Self, Self::Error> {
             if value.version != PusVersion::PusC {
                 return Err(PusError::VersionNotSupported(value.version));
             }
@@ -88,9 +88,10 @@ pub mod zc {
     }
 }
 
-pub mod srd {
+pub mod ser {
+    use alloc::vec::Vec;
     use crate::ecss::{PusError, PusPacket, PusVersion, CRC_CCITT_FALSE};
-    use crate::srd::SpHeader;
+    use crate::ser::SpHeader;
     use crate::tc::{
         PusTcSecondaryHeader, ACK_ALL, PUC_TC_SECONDARY_HEADER_LEN,
         PUS_TC_MIN_LEN_WITHOUT_APP_DATA, PUS_VERSION,
@@ -98,7 +99,7 @@ pub mod srd {
     use crate::{zc, CcsdsPacket, PacketError, PacketId, PacketSequenceCtrl, PacketType};
     use delegate::delegate;
     use serde::{Deserialize, Serialize};
-    use std::mem::size_of;
+    use core::mem::size_of;
     use zerocopy::AsBytes;
 
     #[derive(PartialEq, Copy, Clone, Serialize, Deserialize)]
@@ -392,9 +393,10 @@ pub mod srd {
 
 #[cfg(test)]
 mod tests {
+    use alloc::vec::Vec;
     use crate::ecss::PusPacket;
-    use crate::srd::SpHeader;
-    use crate::tc::srd::PusTc;
+    use crate::ser::SpHeader;
+    use crate::tc::ser::PusTc;
     use crate::tc::PusTcSecondaryHeader;
     use crate::tc::ACK_ALL;
     use crate::{CcsdsPacket, PacketType};