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Marlin-Artillery-M600/Marlin/src/feature/controllerfan.cpp

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/**
* Marlin 3D Printer Firmware
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* Copyright (C) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
* 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 "../inc/MarlinConfig.h"
#if ENABLED(USE_CONTROLLER_FAN)
#include "../module/stepper_indirection.h"
#include "../module/temperature.h"
uint8_t controllerfan_speed;
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void controllerfan_update() {
static millis_t lastMotorOn = 0, // Last time a motor was turned on
nextMotorCheck = 0; // Last time the state was checked
const millis_t ms = millis();
if (ELAPSED(ms, nextMotorCheck)) {
nextMotorCheck = ms + 2500UL; // Not a time critical function, so only check every 2.5s
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// If any of the drivers or the bed are enabled...
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if (X_ENABLE_READ == X_ENABLE_ON || Y_ENABLE_READ == Y_ENABLE_ON || Z_ENABLE_READ == Z_ENABLE_ON
#if HAS_HEATED_BED
|| thermalManager.temp_bed.soft_pwm_amount > 0
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#endif
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#if HAS_X2_ENABLE
|| X2_ENABLE_READ == X_ENABLE_ON
#endif
#if HAS_Y2_ENABLE
|| Y2_ENABLE_READ == Y_ENABLE_ON
#endif
#if HAS_Z2_ENABLE
|| Z2_ENABLE_READ == Z_ENABLE_ON
#endif
#if HAS_Z3_ENABLE
|| Z3_ENABLE_READ == Z_ENABLE_ON
#endif
#if E_STEPPERS
|| E0_ENABLE_READ == E_ENABLE_ON
#if E_STEPPERS > 1
|| E1_ENABLE_READ == E_ENABLE_ON
#if E_STEPPERS > 2
|| E2_ENABLE_READ == E_ENABLE_ON
#if E_STEPPERS > 3
|| E3_ENABLE_READ == E_ENABLE_ON
#if E_STEPPERS > 4
|| E4_ENABLE_READ == E_ENABLE_ON
#if E_STEPPERS > 5
|| E5_ENABLE_READ == E_ENABLE_ON
#endif // E_STEPPERS > 5
#endif // E_STEPPERS > 4
#endif // E_STEPPERS > 3
#endif // E_STEPPERS > 2
#endif // E_STEPPERS > 1
#endif // E_STEPPERS
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) {
lastMotorOn = ms; //... set time to NOW so the fan will turn on
}
// Fan off if no steppers have been enabled for CONTROLLERFAN_SECS seconds
uint8_t speed = (!lastMotorOn || ELAPSED(ms, lastMotorOn + (CONTROLLERFAN_SECS) * 1000UL)) ? 0 : CONTROLLERFAN_SPEED;
controllerfan_speed = speed;
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// allows digital or PWM fan output to be used (see M42 handling)
WRITE(CONTROLLER_FAN_PIN, speed);
analogWrite(CONTROLLER_FAN_PIN, speed);
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}
}
#endif // USE_CONTROLLER_FAN