Add SPN renaming and feature, define constants for PGN and PDU length…

…s, and implement source address enum

src/lib.rs

@@ -2,6 +2,7 @@
 #![deny(warnings)]
 #![no_std]
 
+// TODO: Rename to SPN
 // TODO: Make this a feature
 pub mod decode;
 
@@ -13,8 +14,15 @@ pub use pgn::*;
 #[cfg(feature = "can")]
 pub mod can;
 
+/// Maximum number of bytes in a PGN.
+pub const PGN_MAX_LENGTH: usize = 3;
+/// Maximum number of bytes in a PDU.
 pub const PDU_MAX_LENGTH: usize = 8;
 
+/// ASCII delimiter for variable length fields.
+pub const FIELD_DELIMITER: u8 = b'*';
+
+
 /// Protocol Data Unit Format.
 ///
 /// There are two different PDU formats. PDU1 format is used for sending messages with a specific
@@ -112,6 +120,7 @@ impl Id {
         ((self.0 >> 8) & 0xff).try_into().unwrap()
     }
 
+    // TODO: Return the source address enum.
     /// Device source address
     pub fn sa(&self) -> u8 {
         (self.0 & 0xff).try_into().unwrap()
@@ -280,6 +289,7 @@ impl FrameBuilder {
     }
 
     /// Set the frame ID.
+    #[inline]
     pub fn id(mut self, id: Id) -> Self {
         self.id = id;
         self
@@ -296,6 +306,7 @@ impl FrameBuilder {
     }
 
     /// Set PDU length.
+    #[inline]
     pub fn set_len(mut self, len: usize) -> Self {
         self.pdu_length = len;
         self

src/pgn.rs

@@ -41,6 +41,8 @@ pub enum PGN {
     ElectronicEngineController1,
     /// EEC2 - Electronic Engine Controller 2.
     ElectronicEngineController2,
+    /// TCO1 - Tachoraph.
+    Tachoraph,
     /// SOFT - Software Identification.
     SoftwareIdentification,
     /// RQST - Request.
@@ -55,6 +57,10 @@ pub enum PGN {
     AddressClaimed,
     /// PropA - Proprietary A.
     ProprietaryA,
+    // EBC1 - Electronic Brake Controller 1.
+    ElectronicBrakeController1,
+    /// ETC1 - Transmission Message 1.
+    TransmissionMessage1,
     /// CA - Commanded Address.
     CommandedAddress,
     /// TD - Time / Date.
@@ -117,8 +123,11 @@ impl From<u32> for PGN {
             60_416 => PGN::TransportProtocolConnectionManagement,
             60_928 => PGN::AddressClaimed,
             61_184 => PGN::ProprietaryA,
+            61_441 => PGN::ElectronicBrakeController1,
+            61_442 => PGN::TransmissionMessage1,
             61_443 => PGN::ElectronicEngineController2,
             61_444 => PGN::ElectronicEngineController1,
+            65_132 => PGN::Tachoraph,
             65_240 => PGN::CommandedAddress,
             65_242 => PGN::SoftwareIdentification,
             65_254 => PGN::TimeDate,
@@ -160,8 +169,11 @@ impl From<PGN> for u32 {
             PGN::TransportProtocolConnectionManagement => 60_416,
             PGN::AddressClaimed => 60_928,
             PGN::ProprietaryA => 61_184,
+            PGN::ElectronicBrakeController1 => 61_441,
+            PGN::TransmissionMessage1 => 61_442,
             PGN::ElectronicEngineController1 => 61_444,
             PGN::ElectronicEngineController2 => 61_443,
+            PGN::Tachoraph => 65_132,
             PGN::CommandedAddress => 65_240,
             PGN::SoftwareIdentification => 65_242,
             PGN::TimeDate => 65_254,