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/**
* Marlin 3D Printer Firmware
* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
*
* Based on Sprinter and grbl.
* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
#include "../../inc/MarlinConfig.h"
#if ENABLED(BAUD_RATE_GCODE)
#include "../gcode.h"
/**
* M575 - Change serial baud rate
*
* P<index> - Serial port index. Omit for all.
* B<baudrate> - Baud rate (bits per second)
*/
void GcodeSuite::M575() {
int32_t baud = parser.ulongval('B');
switch (baud) {
case 24:
case 96:
case 192:
case 384:
case 576:
case 1152: baud *= 100; break;
case 250:
case 500: baud *= 1000; break;
case 19: baud = 19200; break;
case 38: baud = 38400; break;
case 57: baud = 57600; break;
case 115: baud = 115200; break;
}
switch (baud) {
case 2400: case 9600: case 19200: case 38400: case 57600:
case 115200: case 250000: case 500000: case 1000000: {
const int8_t port = parser.intval('P', -99);
const bool set0 = (port == -99 || port == 0);
if (set0) SERIAL_ECHO_MSG(" Serial ", '0', " baud rate set to ", baud);
#if HAS_MULTI_SERIAL
const bool set1 = (port == -99 || port == 1);
if (set1) SERIAL_ECHO_MSG(" Serial ", '1', " baud rate set to ", baud);
#endif
SERIAL_FLUSH();
if (set0) { MYSERIAL0.end(); MYSERIAL0.begin(baud); }
#if HAS_MULTI_SERIAL
if (set1) { MYSERIAL1.end(); MYSERIAL1.begin(baud); }
#endif
} break;
default: SERIAL_ECHO_MSG("?(B)aud rate implausible.");
}
}
#endif // BAUD_RATE_GCODE
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