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64 lines
1.8 KiB
64 lines
1.8 KiB
/**
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* Marlin 3D Printer Firmware
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* Copyright (C) 2016 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 <http://www.gnu.org/licenses/>.
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*
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*/
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#include "../gcode.h"
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#include "../../Marlin.h" // for pin_is_protected
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#include "../../inc/MarlinConfig.h"
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/**
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* M42: Change pin status via GCode
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*
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* P<pin> Pin number (LED if omitted)
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* S<byte> Pin status from 0 - 255
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*/
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void GcodeSuite::M42() {
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if (!parser.seenval('S')) return;
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const byte pin_status = parser.value_byte();
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int pin_number = PARSED_PIN_INDEX('P', GET_PIN_MAP_INDEX(LED_PIN));
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if (pin_number < 0) return;
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const pin_t pin = GET_PIN_MAP_PIN(pin_number);
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if (pin_is_protected(pin)) {
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SERIAL_ERROR_START();
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SERIAL_ERRORLNPGM(MSG_ERR_PROTECTED_PIN);
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return;
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}
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pinMode(pin, OUTPUT);
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digitalWrite(pin, pin_status);
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analogWrite(pin, pin_status);
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#if FAN_COUNT > 0
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switch (pin) {
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#if HAS_FAN0
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case FAN_PIN: fanSpeeds[0] = pin_status; break;
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#endif
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#if HAS_FAN1
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case FAN1_PIN: fanSpeeds[1] = pin_status; break;
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#endif
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#if HAS_FAN2
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case FAN2_PIN: fanSpeeds[2] = pin_status; break;
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#endif
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}
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#endif
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}
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