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Fix multi-serial CRC error crash (#21249)

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This commit is contained in:
Victor Oliveira
2021-03-04 20:39:08 -03:00
committed by GitHub
parent a0d312396a
commit 101f09aabd
3 changed files with 4 additions and 5 deletions
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5
Marlin/src/gcode/queue.cpp
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@ -262,8 +262,7 @@ void GCodeQueue::RingBuffer::ok_to_send() {
* Send a "Resend: nnn" message to the host to
* indicate that a command needs to be re-sent.
*/
void GCodeQueue::flush_and_request_resend() {
const serial_index_t serial_ind = ring_buffer.command_port();
void GCodeQueue::flush_and_request_resend(const serial_index_t serial_ind) {
#if HAS_MULTI_SERIAL
if (serial_ind < 0) return; // Never mind. Command came from SD or Flash Drive
PORT_REDIRECT(SERIAL_PORTMASK(serial_ind)); // Reply to the serial port that sent the command
@ -306,7 +305,7 @@ void GCodeQueue::gcode_line_error(PGM_P const err, const serial_index_t serial_i
SERIAL_ERROR_START();
SERIAL_ECHOLNPAIR_P(err, serial_state[serial_ind].last_N);
while (read_serial(serial_ind) != -1) { /* nada */ } // Clear out the RX buffer. Why don't use flush here ?
flush_and_request_resend();
flush_and_request_resend(serial_ind);
serial_state[serial_ind].count = 0;
}