Merge pull request #28 from atlas-aero/27-change-txmessage-data-membe…

…rs-to-public

#27 make TxMessage data members public

src/message.rs

@@ -173,6 +173,7 @@ pub struct TxMessage<T: MessageType<L>, const L: usize> {
 }
 
 impl<T: MessageType<L>, const L: usize> TxMessage<T, L> {
+    /// Create new CAN message
     pub fn new(message_type: T, data: Bytes, identifier: Id) -> Result<Self, MessageError> {
         let mut header = TxHeader::new();
 
@@ -202,6 +203,16 @@ impl<T: MessageType<L>, const L: usize> TxMessage<T, L> {
             message_type,
         })
     }
+
+    /// Returns payload as a `&[u8]`
+    pub fn get_payload(&self) -> &[u8] {
+        self.buff.as_ref()
+    }
+
+    /// Returns Header register of Transmit Message Object
+    pub fn get_header(&self) -> &TxHeader {
+        &self.header
+    }
 }
 
 /// Receive message object header

src/tests/message.rs

@@ -111,3 +111,15 @@ fn test_payload_greater_than_generic_type_args() {
     assert_eq!(message_2_0.unwrap_err(), MessageError::InvalidLength(5));
     assert_eq!(message_fd.unwrap_err(), MessageError::InvalidLength(23));
 }
+
+#[test]
+fn test_get_payload() {
+    let payload_bytes = Bytes::copy_from_slice(&[1u8; 8]);
+    let standard_id = StandardId::new(STANDARD_ID).unwrap();
+
+    let msg_type = Can20::<8> {};
+
+    let message = TxMessage::new(msg_type, payload_bytes, Id::Standard(standard_id)).unwrap();
+
+    assert_eq!(message.get_payload(), &[1u8; 8]);
+}