fix: send only bytes written to the buffer instead of the entire buffer

src/structures/ring_buffer.rs

@@ -109,14 +109,14 @@ where
         crate::_priv_write_bytes::<P>(data);
     }
 
+    #[inline(never)]
     fn write_bytes(&self, transmit_data: &mut RingBuffer<N>) {
         <Self as SoftSerialWriter<P, &mut RingBuffer<N>>>::write_byte(
             self,
             transmit_data.len() as u8,
         );
 
-        for _ in 0..N {
-            let byte = transmit_data.pop().unwrap_or(0);
+        for byte in transmit_data {
             self.sync_transmitter();
             <Self as SoftSerialWriter<P, &mut RingBuffer<N>>>::write_byte(self, byte);
         }
@@ -132,6 +132,7 @@ where
         crate::_priv_read_byte::<P>()
     }
 
+    #[inline(never)]
     fn read_bytes(&self, recieve_data: &mut RingBuffer<N>) {
         let byte = <Self as SoftSerialReader<P, &mut RingBuffer<N>>>::read_byte(self);