✨ Two controller fans (MarlinFirmware#24995)

pierre-quelin · Dec 16, 2022 · 79b8847 · 79b8847
1 parent 86a3362
commit 79b8847
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Showing 2 changed files with 11 additions and 0 deletions.
diff --git a/Marlin/Configuration_adv.h b/Marlin/Configuration_adv.h
@@ -538,6 +538,7 @@
 //#define USE_CONTROLLER_FAN
 #if ENABLED(USE_CONTROLLER_FAN)
  //#define CONTROLLER_FAN_PIN -1 // Set a custom pin for the controller fan
+ //#define CONTROLLER_FAN2_PIN -1 // Set a custom pin for second controller fan
  //#define CONTROLLER_FAN_USE_Z_ONLY // With this option only the Z axis is considered
  //#define CONTROLLER_FAN_IGNORE_Z // Ignore Z stepper. Useful when stepper timeout is disabled.
  #define CONTROLLERFAN_SPEED_MIN 0 // (0-255) Minimum speed. (If set below this value the fan is turned off.)

diff --git a/Marlin/src/feature/controllerfan.cpp b/Marlin/src/feature/controllerfan.cpp
@@ -40,6 +40,9 @@ uint8_t ControllerFan::speed;
 
 void ControllerFan::setup() {
  SET_OUTPUT(CONTROLLER_FAN_PIN);
+ #ifdef CONTROLLER_FAN2_PIN
+ SET_OUTPUT(CONTROLLER_FAN2_PIN);
+ #endif
  init();
 }
 
@@ -95,6 +98,13 @@ void ControllerFan::update() {
  hal.set_pwm_duty(pin_t(CONTROLLER_FAN_PIN), speed);
  else
  WRITE(CONTROLLER_FAN_PIN, speed > 0);
+
+ #ifdef CONTROLLER_FAN2_PIN
+ if (PWM_PIN(CONTROLLER_FAN2_PIN))
+ hal.set_pwm_duty(pin_t(CONTROLLER_FAN2_PIN), speed);
+ else
+ WRITE(CONTROLLER_FAN2_PIN, speed > 0);
+ #endif 
  #endif
  }
 }