message: write only one byte to the UART device
diff: @@ -16,7 +16,7 @@ impl SerialPort {
  if byte == b'\n' {
  unsafe {
  asm!(
  - "str x8, [{port}]",
  + "strb w8, [{port}]",
  port = in(reg) port,
  in("x8") b'\r',
  options(nostack),
  @@ -26,7 +26,7 @@ impl SerialPort {
  unsafe {
  asm!(
  - "str x8, [{port}]",
  + "strb w8, [{port}]",
  port = in(reg) port,
  in("x8") byte,
  options(nostack),
  