Added defmt logging

src/message.rs

@@ -1,3 +1,7 @@
+#[cfg(feature = "defmt")]
+use defmt::{warn, error};
+
+#[cfg(feature = "log")]
 use log::{warn, error};
 
 extern crate alloc;
@@ -223,7 +227,11 @@ impl Protocol300Message {
         
         // Fail if the checksums do not match
         if checksum != checksum_calculated {
+            #[cfg(feature = "log")]
             error!("Failed to decode message: checksum mismatch - received: 0x{checksum:02X}, calculated: 0x{checksum_calculated:02X}, address: 0x{data_address:04X}, message_id: {message_identifier}, function: {function_code}");
+            #[cfg(feature = "defmt")]
+            error!("Failed to decode message: checksum mismatch - received: 0x{:02X}, calculated: 0x{:02X}, address: 0x{:04X}, message_id: {}, function: {}", checksum, checksum_calculated, data_address, defmt::Debug2Format(&message_identifier), defmt::Debug2Format(&function_code));
+            
             return Err(MessageDecodingError::Checksum)
         }
 

src/transmission.rs

@@ -1,6 +1,12 @@
 use crate::{Protocol300Message, message};
 use thiserror::Error;
-use log::error;
+
+#[cfg(feature = "defmt")]
+use defmt::{error};
+
+#[cfg(feature = "log")]
+use log::{error};
+
 extern crate alloc;
 
 use alloc::vec;
@@ -36,7 +42,7 @@ impl Protocol300Transmission {
             [0x16, 0x00, 0x00] => Ok(Self::Init),
             [0x41, ..] => Ok(Self::Message(Protocol300Message::try_from_bytes(bytes)?)),
             _ => {
-                error!("Failed to parse Protocol300 transmission: invalid byte sequence (length: {}, first byte: 0x{:02X?})", 
+                error!("Failed to parse Protocol300 transmission: invalid byte sequence (length: {}, first byte: 0x{:02X})", 
                        bytes.len(), 
                        bytes.first().unwrap_or(&0x00));
                 Err(FromBytesError::InvalidByte)