Revert breaking change to _FAN_PWM macro

5 years ago · ee6003be87
1 changed files with 4 additions and 3 deletions
--- a/Marlin/src/module/temperature.cpp
+++ b/Marlin/src/module/temperature.cpp
@ -2591,9 +2591,10 @@ void Temperature::tick() {
      #endif

      #if ENABLED(FAN_SOFT_PWM)
-        #define _FAN_PWM(N) do{ \
-          const uint8_t spcf = (soft_pwm_count_fan[N] & pwm_mask) + (soft_pwm_amount_fan[N] >> 1); \
-          WRITE_FAN(N, (spcf > pwm_mask)); \
+        #define _FAN_PWM(N) do{                                     \
+          uint8_t &spcf = soft_pwm_count_fan[N];                    \
+          spcf = (spcf & pwm_mask) + (soft_pwm_amount_fan[N] >> 1); \
+          WRITE_FAN(N, spcf > pwm_mask ? HIGH : LOW);               \
        }while(0)
        #if HAS_FAN0
          _FAN_PWM(0);