2017-09-06 11:28:31 +00:00
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/**
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* Marlin 3D Printer Firmware
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2020-02-03 14:00:57 +00:00
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* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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2017-09-06 11:28:31 +00:00
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*
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* Based on Sprinter and grbl.
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2019-06-28 04:57:50 +00:00
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* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
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2017-09-06 11:28:31 +00:00
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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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2020-07-23 03:20:14 +00:00
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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2017-09-06 11:28:31 +00:00
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*
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*/
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2020-10-09 21:42:23 +00:00
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#include "../../inc/MarlinConfig.h"
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#if ENABLED(DIRECT_PIN_CONTROL)
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2017-09-17 07:43:36 +00:00
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#include "../gcode.h"
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2020-01-03 01:01:38 +00:00
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#include "../../MarlinCore.h" // for pin_is_protected and idle()
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2017-09-17 07:43:36 +00:00
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#include "../../module/stepper.h"
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2021-01-21 09:40:07 +00:00
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void protected_pin_err();
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2017-09-06 11:28:31 +00:00
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/**
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* M226: Wait until the specified pin reaches the state required (M226 P<pin> S<state>)
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*/
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2017-09-17 07:43:36 +00:00
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void GcodeSuite::M226() {
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2017-09-06 11:28:31 +00:00
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if (parser.seen('P')) {
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2017-10-26 18:37:26 +00:00
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const int pin_number = PARSED_PIN_INDEX('P', 0),
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2017-09-06 11:28:31 +00:00
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pin_state = parser.intval('S', -1); // required pin state - default is inverted
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2017-10-26 18:37:26 +00:00
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const pin_t pin = GET_PIN_MAP_PIN(pin_number);
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2017-09-06 11:28:31 +00:00
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2018-06-10 22:45:39 +00:00
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if (WITHIN(pin_state, -1, 1) && pin > -1) {
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if (pin_is_protected(pin))
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protected_pin_err();
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else {
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int target = LOW;
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planner.synchronize();
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pinMode(pin, INPUT);
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switch (pin_state) {
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case 1: target = HIGH; break;
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case 0: target = LOW; break;
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2019-03-05 06:41:31 +00:00
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case -1: target = !extDigitalRead(pin); break;
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2018-06-10 22:45:39 +00:00
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}
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2019-05-18 21:15:48 +00:00
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while (int(extDigitalRead(pin)) != target) idle();
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2017-09-06 11:28:31 +00:00
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}
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2017-10-26 18:37:26 +00:00
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} // pin_state -1 0 1 && pin > -1
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2017-09-06 11:28:31 +00:00
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} // parser.seen('P')
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}
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2020-10-09 21:42:23 +00:00
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#endif // DIRECT_PIN_CONTROL
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