doc cfg support

Cargo.toml

@@ -36,3 +36,7 @@ version = "1.0.1"
 default = ["std"]
 std = ["chrono/std", "chrono/clock", "alloc"]
 alloc = ["postcard/alloc"]
+
+[package.metadata.docs.rs]
+all-features = true
+rustdoc-args = ["--cfg", "doc_cfg"]

src/ecss.rs

@@ -158,7 +158,7 @@ macro_rules! sp_header_impls {
 pub(crate) use ccsds_impl;
 pub(crate) use sp_header_impls;
 
-/// Generic trait for ECSS enumeration which consist of a PFC field denoting their length
+/// Generic trait for ECSS enumeration which consist of a PFC field denoting their bit length
 /// and an unsigned value. The trait makes no assumptions about the actual type of the unsigned
 /// value and only requires implementors to implement a function which writes the enumeration into
 /// a raw byte format.

src/lib.rs

@@ -65,6 +65,7 @@ pub struct SizeMissmatch {
     pub found: usize,
     pub expected: usize,
 }
+
 #[derive(Debug, Copy, Clone, PartialEq, Eq)]
 pub enum ByteConversionError {
     /// The passed slice is too small. Returns the found and expected minimum size

src/tc.rs

@@ -370,6 +370,7 @@ impl<'slice> PusTc<'slice> {
     }
 
     #[cfg(feature = "alloc")]
+    #[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
     pub fn append_to_vec(&self, vec: &mut Vec<u8>) -> Result<usize, PusError> {
         let sph_zc = crate::zc::SpHeader::from(self.sp_header);
         let mut appended_len = PUS_TC_MIN_LEN_WITHOUT_APP_DATA;

src/time.rs

@@ -47,6 +47,7 @@ pub enum TimestampError {
 }
 
 #[cfg(feature = "std")]
+#[cfg_attr(doc_cfg, doc(cfg(feature = "std")))]
 pub fn seconds_since_epoch() -> f64 {
     SystemTime::now()
         .duration_since(SystemTime::UNIX_EPOCH)
@@ -133,6 +134,7 @@ impl CdsShortTimeProvider {
     }
 
     #[cfg(feature = "std")]
+    #[cfg_attr(doc_cfg, doc(cfg(feature = "std")))]
     pub fn from_now() -> Result<Self, SystemTimeError> {
         let now = SystemTime::now().duration_since(SystemTime::UNIX_EPOCH)?;
         let epoch = now.as_secs();
@@ -151,6 +153,7 @@ impl CdsShortTimeProvider {
     }
 
     #[cfg(feature = "std")]
+    #[cfg_attr(doc_cfg, doc(cfg(feature = "std")))]
     pub fn update_from_now(&mut self) -> Result<(), SystemTimeError> {
         let now = SystemTime::now().duration_since(SystemTime::UNIX_EPOCH)?;
         let epoch = now.as_secs();
@@ -168,6 +171,7 @@ impl CdsShortTimeProvider {
     }
 
     #[cfg(feature = "std")]
+    #[cfg_attr(doc_cfg, doc(cfg(feature = "std")))]
     pub fn ms_of_day_using_sysclock() -> u32 {
         Self::ms_of_day(seconds_since_epoch())
     }

src/tm.rs

@@ -352,6 +352,7 @@ impl<'slice> PusTm<'slice> {
 
     /// Append the raw PUS byte representation to a provided [alloc::vec::Vec]
     #[cfg(feature = "alloc")]
+    #[cfg_attr(doc_cfg, doc(cfg(feature = "alloc")))]
     pub fn append_to_vec(&self, vec: &mut Vec<u8>) -> Result<usize, PusError> {
         let sph_zc = crate::zc::SpHeader::from(self.sp_header);
         let mut appended_len =