Firmware2/Marlin/src/gcode/control/M226.cpp
Thomas Moore 9e699811d2 Make LPC1768 pinmapping not specific to Re-ARM (#8063)
* Merging early because of build failures.  See #8105

* Make LPC1768 pinmapping not specific to Re-ARM

* Add HAL_PIN_TYPE and LPC1768 pin features

* M43 Updates

* Move pin map into pinsDebug_LPC1768.h

* Incorporate comments and M226

* Fix persistent store compilation issues

* Update pin features

* Update MKS SBASE pins

* Use native LPC1768 pin numbers in M42, M43, and M226
2017-10-26 13:37:26 -05:00

60 lines
1.8 KiB
C++

/**
* Marlin 3D Printer Firmware
* Copyright (C) 2016 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 <http://www.gnu.org/licenses/>.
*
*/
#include "../gcode.h"
#include "../../Marlin.h" // for pin_is_protected and idle()
#include "../../module/stepper.h"
/**
* M226: Wait until the specified pin reaches the state required (M226 P<pin> S<state>)
*/
void GcodeSuite::M226() {
if (parser.seen('P')) {
const int pin_number = PARSED_PIN_INDEX('P', 0),
pin_state = parser.intval('S', -1); // required pin state - default is inverted
const pin_t pin = GET_PIN_MAP_PIN(pin_number);
if (WITHIN(pin_state, -1, 1) && pin > -1 && !pin_is_protected(pin)) {
int target = LOW;
stepper.synchronize();
pinMode(pin, INPUT);
switch (pin_state) {
case 1:
target = HIGH;
break;
case 0:
target = LOW;
break;
case -1:
target = !digitalRead(pin);
break;
}
while (digitalRead(pin) != target) idle();
} // pin_state -1 0 1 && pin > -1
} // parser.seen('P')
}