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Cosmetic fix for HAL_AVR/MarlinSerial.cpp

Instead of using const char, it is better to use uint8_t
pull/1/head
etagle 7 years ago
committed by Scott Lahteine
parent
commit
c9bbef6380
  1. 8
      Marlin/src/HAL/HAL_AVR/MarlinSerial.cpp

8
Marlin/src/HAL/HAL_AVR/MarlinSerial.cpp

@ -84,7 +84,7 @@
// Currently looking for: M108, M112, M410
// If you alter the parser please don't forget to update the capabilities in Conditionals_post.h
FORCE_INLINE void emergency_parser(const unsigned char c) {
FORCE_INLINE void emergency_parser(const uint8_t c) {
static e_parser_state state = state_RESET;
@ -169,13 +169,16 @@
#endif // EMERGENCY_PARSER
FORCE_INLINE void store_rxd_char() {
const ring_buffer_pos_t h = rx_buffer.head,
i = (ring_buffer_pos_t)(h + 1) & (ring_buffer_pos_t)(RX_BUFFER_SIZE - 1);
// Read the character
const uint8_t c = M_UDRx;
// If the character is to be stored at the index just before the tail
// (such that the head would advance to the current tail), the buffer is
// critical, so don't write the character or advance the head.
const char c = M_UDRx;
if (i != rx_buffer.tail) {
rx_buffer.buffer[h] = c;
rx_buffer.head = i;
@ -194,6 +197,7 @@
#endif
#if ENABLED(SERIAL_XON_XOFF)
// for high speed transfers, we can use XON/XOFF protocol to do
// software handshake and avoid overruns.
if ((xon_xoff_state & XON_XOFF_CHAR_MASK) == XON_CHAR) {

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