Test water cooling pwm

MK/Configuration_Laser.h

@@ -21,6 +21,9 @@
 #define LASER_WATER_COOLING
 #define LASER_WATER_MAXTEMP 25
 
+// Uncomment the following to enable LASER_WATER_COOLING PWM instead of bang-bang
+#define LASER_PWM
+#define LASER_PWM_FREQUENCY 1000 // Frequency in Hz
 
 //// The following defines select which G codes tell the laser to fire.  It's OK to uncomment more than one.
 #define LASER_FIRE_G1 10 // fire the laser on a G1 move, extinguish when the move ends

MK/Configuration_Pins.h

@@ -119,11 +119,11 @@
    #endif // LASER_POWER_DOWN
    #if ENABLED(LASER_PERIPHERALS)
       #define LASER_PERIPHERALS_PIN       11
-      #define LASER_PERIPHERALS_STATUS_PIN      32
+      #define LASER_PERIPHERALS_STATUS_PIN      4
    #endif // LASER_PERIPHERALS
    #if ENABLED(LASER_WATER_COOLING)
-      #define LASER_WATER_COOLING_PIN 4
-   #endif
+      #define LASER_WATER_COOLING_PIN 1
+   #endif // LASER WATER_COOLING
 #endif
 
 

MK/module/temperature/temperature.cpp

@@ -990,6 +990,12 @@ void tp_init() {
     #endif
   #endif
 
+  #if ENABLED(LASER_WATER_COOLING)
+     SET_OUTPUT(LASER_WATER_COOLING_PIN);
+     setPwmFrequency(LASER_WATER_COOLING_PIN, 1);
+     analogWrite(LASER_WATER_COOLING_PIN, 128);
+  #endif
+
   #if ENABLED(HEATER_0_USES_MAX6675)
 
     #if DISABLED(SDSUPPORT)