muele-marlin/Marlin/src/gcode/host/M118.cpp

67 lines
2 KiB
C++

/**
* 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 "../gcode.h"
#include "../../core/serial.h"
/**
* M118: Display a message in the host console.
*
* A1 Prepend '// ' for an action command, as in OctoPrint
* E1 Have the host 'echo:' the text
* Pn Redirect to another serial port
* 0 : Announce to all ports
* 1-9 : Serial ports 1 to 9
*/
void GcodeSuite::M118() {
bool hasE = false, hasA = false;
#if HAS_MULTI_SERIAL
int8_t port = -1; // Assume no redirect
#endif
char *p = parser.string_arg;
for (uint8_t i = 3; i--;) {
// A1, E1, and Pn are always parsed out
if (!( ((p[0] == 'A' || p[0] == 'E') && p[1] == '1') || (p[0] == 'P' && NUMERIC(p[1])) )) break;
switch (p[0]) {
case 'A': hasA = true; break;
case 'E': hasE = true; break;
#if HAS_MULTI_SERIAL
case 'P': port = p[1] - '0'; break;
#endif
}
p += 2;
while (*p == ' ') ++p;
}
#if HAS_MULTI_SERIAL
const int8_t old_serial = multiSerial.portMask;
if (WITHIN(port, 0, NUM_SERIAL))
multiSerial.portMask = port ? _BV(port - 1) : SERIAL_ALL;
#endif
if (hasE) SERIAL_ECHO_START();
if (hasA) SERIAL_ECHOPGM("//");
SERIAL_ECHOLN(p);
TERN_(HAS_MULTI_SERIAL, multiSerial.portMask = old_serial);
}