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