12730c1303
Add to controllerfan.cpp: #include "../module/stepper_indirection.h" #include "../module/temperature.h"
67 lines
2.5 KiB
C++
67 lines
2.5 KiB
C++
/**
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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 "../inc/MarlinConfig.h"
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#if ENABLED(USE_CONTROLLER_FAN)
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#include "../module/stepper_indirection.h"
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#include "../module/temperature.h"
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void controllerfan_update() {
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static millis_t lastMotorOn = 0, // Last time a motor was turned on
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nextMotorCheck = 0; // Last time the state was checked
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const millis_t ms = millis();
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if (ELAPSED(ms, nextMotorCheck)) {
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nextMotorCheck = ms + 2500UL; // Not a time critical function, so only check every 2.5s
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if (X_ENABLE_READ == X_ENABLE_ON || Y_ENABLE_READ == Y_ENABLE_ON || Z_ENABLE_READ == Z_ENABLE_ON || thermalManager.soft_pwm_amount_bed > 0
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|| E0_ENABLE_READ == E_ENABLE_ON // If any of the drivers are enabled...
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#if E_STEPPERS > 1
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|| E1_ENABLE_READ == E_ENABLE_ON
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#if HAS_X2_ENABLE
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|| X2_ENABLE_READ == X_ENABLE_ON
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#endif
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#if E_STEPPERS > 2
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|| E2_ENABLE_READ == E_ENABLE_ON
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#if E_STEPPERS > 3
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|| E3_ENABLE_READ == E_ENABLE_ON
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#if E_STEPPERS > 4
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|| E4_ENABLE_READ == E_ENABLE_ON
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#endif // E_STEPPERS > 4
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#endif // E_STEPPERS > 3
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#endif // E_STEPPERS > 2
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#endif // E_STEPPERS > 1
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) {
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lastMotorOn = ms; //... set time to NOW so the fan will turn on
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}
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// Fan off if no steppers have been enabled for CONTROLLERFAN_SECS seconds
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uint8_t speed = (!lastMotorOn || ELAPSED(ms, lastMotorOn + (CONTROLLERFAN_SECS) * 1000UL)) ? 0 : CONTROLLERFAN_SPEED;
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// allows digital or PWM fan output to be used (see M42 handling)
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WRITE(CONTROLLER_FAN_PIN, speed);
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analogWrite(CONTROLLER_FAN_PIN, speed);
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}
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}
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#endif // USE_CONTROLLER_FAN
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