123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081 |
- /**
- * Marlin 3D Printer Firmware
- * Copyright (c) 2019 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 "../inc/MarlinConfig.h"
-
- #if ENABLED(USE_CONTROLLER_FAN)
-
- #include "../module/stepper/indirection.h"
- #include "../module/temperature.h"
-
- uint8_t controllerfan_speed;
-
- 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
-
- const bool xory = X_ENABLE_READ() == X_ENABLE_ON || Y_ENABLE_READ() == Y_ENABLE_ON;
-
- // If any of the drivers or the bed are enabled...
- if (xory || Z_ENABLE_READ() == Z_ENABLE_ON
- #if HAS_HEATED_BED
- || thermalManager.temp_bed.soft_pwm_amount > 0
- #endif
- #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
- #define _OR_ENABLED_E(N) || E##N##_ENABLE_READ() == E_ENABLE_ON
- REPEAT(E_STEPPERS, _OR_ENABLED_E)
- #endif
- ) {
- lastMotorOn = ms; //... set time to NOW so the fan will turn on
- }
-
- // Fan off if no steppers have been enabled for CONTROLLERFAN_SECS seconds
- controllerfan_speed = (!lastMotorOn || ELAPSED(ms, lastMotorOn + (CONTROLLERFAN_SECS) * 1000UL)) ? 0 : (
- #ifdef CONTROLLERFAN_SPEED_Z_ONLY
- xory ? CONTROLLERFAN_SPEED : CONTROLLERFAN_SPEED_Z_ONLY
- #else
- CONTROLLERFAN_SPEED
- #endif
- );
-
- // Allow digital or PWM fan output (see M42 handling)
- WRITE(CONTROLLER_FAN_PIN, controllerfan_speed);
- analogWrite(pin_t(CONTROLLER_FAN_PIN), controllerfan_speed);
- }
- }
-
- #endif // USE_CONTROLLER_FAN
|