Cleanup to software PWM variables

Marlin/Marlin_main.cpp

     const millis_t ms = millis();
     if (ELAPSED(ms, nextMotorCheck)) {
       nextMotorCheck = ms + 2500UL; // Not a time critical function, so only check every 2.5s
-      if (X_ENABLE_READ == X_ENABLE_ON || Y_ENABLE_READ == Y_ENABLE_ON || Z_ENABLE_READ == Z_ENABLE_ON || thermalManager.soft_pwm_bed > 0
+      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
           || E0_ENABLE_READ == E_ENABLE_ON // If any of the drivers are enabled...
           #if E_STEPPERS > 1
             || E1_ENABLE_READ == E_ENABLE_ON

Marlin/planner.cpp

 
     #if ENABLED(FAN_SOFT_PWM)
       #if HAS_FAN0
-        thermalManager.fanSpeedSoftPwm[0] = CALC_FAN_SPEED(0);
+        thermalManager.soft_pwm_amount_fan[0] = CALC_FAN_SPEED(0);
       #endif
       #if HAS_FAN1
-        thermalManager.fanSpeedSoftPwm[1] = CALC_FAN_SPEED(1);
+        thermalManager.soft_pwm_amount_fan[1] = CALC_FAN_SPEED(1);
       #endif
       #if HAS_FAN2
-        thermalManager.fanSpeedSoftPwm[2] = CALC_FAN_SPEED(2);
+        thermalManager.soft_pwm_amount_fan[2] = CALC_FAN_SPEED(2);
       #endif
     #else
       #if HAS_FAN0

Marlin/temperature.cpp

   float Temperature::redundant_temperature = 0.0;
 #endif
 
-uint8_t Temperature::soft_pwm_bed;
-
-#if ENABLED(FAN_SOFT_PWM)
-  uint8_t Temperature::fanSpeedSoftPwm[FAN_COUNT];
-#endif
-
 #if ENABLED(PIDTEMP)
   #if ENABLED(PID_PARAMS_PER_HOTEND) && HOTENDS > 1
     float Temperature::Kp[HOTENDS] = ARRAY_BY_HOTENDS1(DEFAULT_Kp),
   millis_t Temperature::next_auto_fan_check_ms = 0;
 #endif
 
-uint8_t Temperature::soft_pwm[HOTENDS];
+uint8_t Temperature::soft_pwm_amount[HOTENDS],
+        Temperature::soft_pwm_amount_bed;
 
 #if ENABLED(FAN_SOFT_PWM)
-  uint8_t Temperature::soft_pwm_fan[FAN_COUNT];
+  uint8_t Temperature::soft_pwm_amount_fan[FAN_COUNT],
+          Temperature::soft_pwm_count_fan[FAN_COUNT];
 #endif
 
 #if ENABLED(FILAMENT_WIDTH_SENSOR)
 
 #if ENABLED(PROBING_HEATERS_OFF)
   bool Temperature::paused;
-  int16_t Temperature::paused_hotend_temps[HOTENDS];
+  int16_t Temperature::paused_hotend_temp[HOTENDS];
   #if HAS_TEMP_BED
     int16_t Temperature::paused_bed_temp;
   #endif
 
     #if HAS_PID_FOR_BOTH
       if (hotend < 0)
-        soft_pwm_bed = bias = d = (MAX_BED_POWER) >> 1;
+        soft_pwm_amount_bed = bias = d = (MAX_BED_POWER) >> 1;
       else
-        soft_pwm[hotend] = bias = d = (PID_MAX) >> 1;
+        soft_pwm_amount[hotend] = bias = d = (PID_MAX) >> 1;
     #elif ENABLED(PIDTEMP)
-      soft_pwm[hotend] = bias = d = (PID_MAX) >> 1;
+      soft_pwm_amount[hotend] = bias = d = (PID_MAX) >> 1;
     #else
-      soft_pwm_bed = bias = d = (MAX_BED_POWER) >> 1;
+      soft_pwm_amount_bed = bias = d = (MAX_BED_POWER) >> 1;
     #endif
 
     wait_for_heatup = true;
             heating = false;
             #if HAS_PID_FOR_BOTH
               if (hotend < 0)
-                soft_pwm_bed = (bias - d) >> 1;
+                soft_pwm_amount_bed = (bias - d) >> 1;
               else
-                soft_pwm[hotend] = (bias - d) >> 1;
+                soft_pwm_amount[hotend] = (bias - d) >> 1;
             #elif ENABLED(PIDTEMP)
-              soft_pwm[hotend] = (bias - d) >> 1;
+              soft_pwm_amount[hotend] = (bias - d) >> 1;
             #elif ENABLED(PIDTEMPBED)
-              soft_pwm_bed = (bias - d) >> 1;
+              soft_pwm_amount_bed = (bias - d) >> 1;
             #endif
             t1 = ms;
             t_high = t1 - t2;
             }
             #if HAS_PID_FOR_BOTH
               if (hotend < 0)
-                soft_pwm_bed = (bias + d) >> 1;
+                soft_pwm_amount_bed = (bias + d) >> 1;
               else
-                soft_pwm[hotend] = (bias + d) >> 1;
+                soft_pwm_amount[hotend] = (bias + d) >> 1;
             #elif ENABLED(PIDTEMP)
-              soft_pwm[hotend] = (bias + d) >> 1;
+              soft_pwm_amount[hotend] = (bias + d) >> 1;
             #else
-              soft_pwm_bed = (bias + d) >> 1;
+              soft_pwm_amount_bed = (bias + d) >> 1;
             #endif
             cycles++;
             min = temp;
 }
 
 int Temperature::getHeaterPower(int heater) {
-  return heater < 0 ? soft_pwm_bed : soft_pwm[heater];
+  return heater < 0 ? soft_pwm_amount_bed : soft_pwm_amount[heater];
 }
 
 #if HAS_AUTO_FAN
     float pid_output = get_pid_output(e);
 
     // Check if temperature is within the correct range
-    soft_pwm[e] = (current_temperature[e] > minttemp[e] || is_preheating(e)) && current_temperature[e] < maxttemp[e] ? (int)pid_output >> 1 : 0;
+    soft_pwm_amount[e] = (current_temperature[e] > minttemp[e] || is_preheating(e)) && current_temperature[e] < maxttemp[e] ? (int)pid_output >> 1 : 0;
 
     // Check if the temperature is failing to increase
     #if WATCH_HOTENDS
     #if ENABLED(PIDTEMPBED)
       float pid_output = get_pid_output_bed();
 
-      soft_pwm_bed = WITHIN(current_temperature_bed, BED_MINTEMP, BED_MAXTEMP) ? (int)pid_output >> 1 : 0;
+      soft_pwm_amount_bed = WITHIN(current_temperature_bed, BED_MINTEMP, BED_MAXTEMP) ? (int)pid_output >> 1 : 0;
 
     #elif ENABLED(BED_LIMIT_SWITCHING)
       // Check if temperature is within the correct band
       if (WITHIN(current_temperature_bed, BED_MINTEMP, BED_MAXTEMP)) {
         if (current_temperature_bed >= target_temperature_bed + BED_HYSTERESIS)
-          soft_pwm_bed = 0;
+          soft_pwm_amount_bed = 0;
         else if (current_temperature_bed <= target_temperature_bed - (BED_HYSTERESIS))
-          soft_pwm_bed = MAX_BED_POWER >> 1;
+          soft_pwm_amount_bed = MAX_BED_POWER >> 1;
       }
       else {
-        soft_pwm_bed = 0;
+        soft_pwm_amount_bed = 0;
         WRITE_HEATER_BED(LOW);
       }
     #else // !PIDTEMPBED && !BED_LIMIT_SWITCHING
       // Check if temperature is within the correct range
       if (WITHIN(current_temperature_bed, BED_MINTEMP, BED_MAXTEMP)) {
-        soft_pwm_bed = current_temperature_bed < target_temperature_bed ? MAX_BED_POWER >> 1 : 0;
+        soft_pwm_amount_bed = current_temperature_bed < target_temperature_bed ? MAX_BED_POWER >> 1 : 0;
       }
       else {
-        soft_pwm_bed = 0;
+        soft_pwm_amount_bed = 0;
         WRITE_HEATER_BED(LOW);
       }
     #endif
 
   #if ENABLED(PROBING_HEATERS_OFF)
     paused = false;
-    ZERO(paused_hotend_temps);
+    ZERO(paused_hotend_temp);
     #if HAS_TEMP_BED
       paused_bed_temp = 0;
     #endif
   // Unpause and reset everything
   #if ENABLED(PROBING_HEATERS_OFF)
     paused = false;
-    ZERO(paused_hotend_temps);
+    ZERO(paused_hotend_temp);
     #if HAS_TEMP_BED
       paused_bed_temp = 0;
     #endif
 
   #define DISABLE_HEATER(NR) { \
     setTargetHotend(0, NR); \
-    soft_pwm[NR] = 0; \
+    soft_pwm_amount[NR] = 0; \
     WRITE_HEATER_ ##NR (LOW); \
   }
 
 
   #if HAS_TEMP_BED
     target_temperature_bed = 0;
-    soft_pwm_bed = 0;
+    soft_pwm_amount_bed = 0;
     #if HAS_HEATER_BED
       WRITE_HEATER_BED(LOW);
     #endif
 
     if (p) {
       HOTEND_LOOP() {
-        paused_hotend_temps[e] = degTargetHotend(e);
+        paused_hotend_temp[e] = degTargetHotend(e);
         setTargetHotend(0, e);
       }
       #if HAS_TEMP_BED
       #endif
     }
     else {
-      HOTEND_LOOP() setTargetHotend(paused_hotend_temps[e], e);
+      HOTEND_LOOP() setTargetHotend(paused_hotend_temp[e], e);
       #if HAS_TEMP_BED
         setTargetBed(paused_bed_temp);
       #endif
   #if ENABLED(SLOW_PWM_HEATERS)
     static uint8_t slow_pwm_count = 0;
     #define ISR_STATICS(n) \
-      static uint8_t soft_pwm_ ## n; \
-      static uint8_t state_heater_ ## n = 0; \
-      static uint8_t state_timer_heater_ ## n = 0
+      static uint8_t soft_pwm_count_ ## n, \
+                     state_heater_ ## n = 0, \
+                     state_timer_heater_ ## n = 0
   #else
-    #define ISR_STATICS(n) static uint8_t soft_pwm_ ## n = 0
+    #define ISR_STATICS(n) static uint8_t soft_pwm_count_ ## n = 0
   #endif
 
   // Statics per heater
      */
     if (pwm_count_tmp >= 127) {
       pwm_count_tmp -= 127;
-      soft_pwm_0 = (soft_pwm_0 & pwm_mask) + soft_pwm[0];
-      WRITE_HEATER_0(soft_pwm_0 > pwm_mask ? HIGH : LOW);
+      soft_pwm_count_0 = (soft_pwm_count_0 & pwm_mask) + soft_pwm_amount[0];
+      WRITE_HEATER_0(soft_pwm_count_0 > pwm_mask ? HIGH : LOW);
       #if HOTENDS > 1
-        soft_pwm_1 = (soft_pwm_1 & pwm_mask) + soft_pwm[1];
-        WRITE_HEATER_1(soft_pwm_1 > pwm_mask ? HIGH : LOW);
+        soft_pwm_count_1 = (soft_pwm_count_1 & pwm_mask) + soft_pwm_amount[1];
+        WRITE_HEATER_1(soft_pwm_count_1 > pwm_mask ? HIGH : LOW);
         #if HOTENDS > 2
-          soft_pwm_2 = (soft_pwm_2 & pwm_mask) + soft_pwm[2];
-          WRITE_HEATER_2(soft_pwm_2 > pwm_mask ? HIGH : LOW);
+          soft_pwm_count_2 = (soft_pwm_count_2 & pwm_mask) + soft_pwm_amount[2];
+          WRITE_HEATER_2(soft_pwm_count_2 > pwm_mask ? HIGH : LOW);
           #if HOTENDS > 3
-            soft_pwm_3 = (soft_pwm_3 & pwm_mask) + soft_pwm[3];
-            WRITE_HEATER_3(soft_pwm_3 > pwm_mask ? HIGH : LOW);
+            soft_pwm_count_3 = (soft_pwm_count_3 & pwm_mask) + soft_pwm_amount[3];
+            WRITE_HEATER_3(soft_pwm_count_3 > pwm_mask ? HIGH : LOW);
             #if HOTENDS > 4
-              soft_pwm_4 = (soft_pwm_4 & pwm_mask) + soft_pwm[4];
-              WRITE_HEATER_4(soft_pwm_4 > pwm_mask ? HIGH : LOW);
+              soft_pwm_count_4 = (soft_pwm_count_4 & pwm_mask) + soft_pwm_amount[4];
+              WRITE_HEATER_4(soft_pwm_count_4 > pwm_mask ? HIGH : LOW);
             #endif // HOTENDS > 4
           #endif // HOTENDS > 3
         #endif // HOTENDS > 2
       #endif // HOTENDS > 1
 
       #if HAS_HEATER_BED
-        soft_pwm_BED = (soft_pwm_BED & pwm_mask) + soft_pwm_bed;
-        WRITE_HEATER_BED(soft_pwm_BED > pwm_mask ? HIGH : LOW);
+        soft_pwm_count_BED = (soft_pwm_count_BED & pwm_mask) + soft_pwm_amount_bed;
+        WRITE_HEATER_BED(soft_pwm_count_BED > pwm_mask ? HIGH : LOW);
       #endif
 
       #if ENABLED(FAN_SOFT_PWM)
         #if HAS_FAN0
-          soft_pwm_fan[0] = (soft_pwm_fan[0] & pwm_mask) + fanSpeedSoftPwm[0] >> 1;
-          WRITE_FAN(soft_pwm_fan[0] > pwm_mask ? HIGH : LOW);
+          soft_pwm_count_fan[0] = (soft_pwm_count_fan[0] & pwm_mask) + soft_pwm_amount_fan[0] >> 1;
+          WRITE_FAN(soft_pwm_count_fan[0] > pwm_mask ? HIGH : LOW);
         #endif
         #if HAS_FAN1
-          soft_pwm_fan[1] = (soft_pwm_fan[1] & pwm_mask) + fanSpeedSoftPwm[1] >> 1;
-          WRITE_FAN1(soft_pwm_fan[1] > pwm_mask ? HIGH : LOW);
+          soft_pwm_count_fan[1] = (soft_pwm_count_fan[1] & pwm_mask) + soft_pwm_amount_fan[1] >> 1;
+          WRITE_FAN1(soft_pwm_count_fan[1] > pwm_mask ? HIGH : LOW);
         #endif
         #if HAS_FAN2
-          soft_pwm_fan[2] = (soft_pwm_fan[2] & pwm_mask) + fanSpeedSoftPwm[2] >> 1;
-          WRITE_FAN2(soft_pwm_fan[2] > pwm_mask ? HIGH : LOW);
+          soft_pwm_count_fan[2] = (soft_pwm_count_fan[2] & pwm_mask) + soft_pwm_amount_fan[2] >> 1;
+          WRITE_FAN2(soft_pwm_count_fan[2] > pwm_mask ? HIGH : LOW);
         #endif
       #endif
     }
     else {
-      if (soft_pwm_0 <= pwm_count_tmp) WRITE_HEATER_0(0);
+      if (soft_pwm_count_0 <= pwm_count_tmp) WRITE_HEATER_0(0);
       #if HOTENDS > 1
-        if (soft_pwm_1 <= pwm_count_tmp) WRITE_HEATER_1(0);
+        if (soft_pwm_count_1 <= pwm_count_tmp) WRITE_HEATER_1(0);
         #if HOTENDS > 2
-          if (soft_pwm_2 <= pwm_count_tmp) WRITE_HEATER_2(0);
+          if (soft_pwm_count_2 <= pwm_count_tmp) WRITE_HEATER_2(0);
           #if HOTENDS > 3
-            if (soft_pwm_3 <= pwm_count_tmp) WRITE_HEATER_3(0);
+            if (soft_pwm_count_3 <= pwm_count_tmp) WRITE_HEATER_3(0);
             #if HOTENDS > 4
-              if (soft_pwm_4 <= pwm_count_tmp) WRITE_HEATER_4(0);
+              if (soft_pwm_count_4 <= pwm_count_tmp) WRITE_HEATER_4(0);
             #endif // HOTENDS > 4
           #endif // HOTENDS > 3
         #endif // HOTENDS > 2
       #endif // HOTENDS > 1
 
       #if HAS_HEATER_BED
-        if (soft_pwm_BED <= pwm_count_tmp) WRITE_HEATER_BED(0);
+        if (soft_pwm_count_BED <= pwm_count_tmp) WRITE_HEATER_BED(0);
       #endif
 
       #if ENABLED(FAN_SOFT_PWM)
         #if HAS_FAN0
-          if (soft_pwm_fan[0] <= pwm_count_tmp) WRITE_FAN(0);
+          if (soft_pwm_count_fan[0] <= pwm_count_tmp) WRITE_FAN(0);
         #endif
         #if HAS_FAN1
-          if (soft_pwm_fan[1] <= pwm_count_tmp) WRITE_FAN1(0);
+          if (soft_pwm_count_fan[1] <= pwm_count_tmp) WRITE_FAN1(0);
         #endif
         #if HAS_FAN2
-          if (soft_pwm_fan[2] <= pwm_count_tmp) WRITE_FAN2(0);
+          if (soft_pwm_count_fan[2] <= pwm_count_tmp) WRITE_FAN2(0);
         #endif
       #endif
     }
           WRITE_HEATER_ ##NR(0); \
         } \
       }
-    #define SLOW_PWM_ROUTINE(n) _SLOW_PWM_ROUTINE(n, soft_pwm[n])
+    #define SLOW_PWM_ROUTINE(n) _SLOW_PWM_ROUTINE(n, soft_pwm_amount[n])
 
     #define PWM_OFF_ROUTINE(NR) \
       if (soft_pwm_ ##NR < slow_pwm_count) { \
         #endif // HOTENDS > 2
       #endif // HOTENDS > 1
       #if HAS_HEATER_BED
-        _SLOW_PWM_ROUTINE(BED, soft_pwm_bed); // BED
+        _SLOW_PWM_ROUTINE(BED, soft_pwm_amount_bed); // BED
       #endif
 
     } // slow_pwm_count == 0
       if (pwm_count_tmp >= 127) {
         pwm_count_tmp = 0;
         #if HAS_FAN0
-          soft_pwm_fan[0] = fanSpeedSoftPwm[0] >> 1;
-          WRITE_FAN(soft_pwm_fan[0] > 0 ? HIGH : LOW);
+          soft_pwm_count_fan[0] = soft_pwm_amount_fan[0] >> 1;
+          WRITE_FAN(soft_pwm_count_fan[0] > 0 ? HIGH : LOW);
         #endif
         #if HAS_FAN1
-          soft_pwm_fan[1] = fanSpeedSoftPwm[1] >> 1;
-          WRITE_FAN1(soft_pwm_fan[1] > 0 ? HIGH : LOW);
+          soft_pwm_count_fan[1] = soft_pwm_amount_fan[1] >> 1;
+          WRITE_FAN1(soft_pwm_count_fan[1] > 0 ? HIGH : LOW);
         #endif
         #if HAS_FAN2
-          soft_pwm_fan[2] = fanSpeedSoftPwm[2] >> 1;
-          WRITE_FAN2(soft_pwm_fan[2] > 0 ? HIGH : LOW);
+          soft_pwm_count_fan[2] = soft_pwm_amount_fan[2] >> 1;
+          WRITE_FAN2(soft_pwm_count_fan[2] > 0 ? HIGH : LOW);
         #endif
       }
       #if HAS_FAN0
-        if (soft_pwm_fan[0] <= pwm_count_tmp) WRITE_FAN(0);
+        if (soft_pwm_count_fan[0] <= pwm_count_tmp) WRITE_FAN(0);
       #endif
       #if HAS_FAN1
-        if (soft_pwm_fan[1] <= pwm_count_tmp) WRITE_FAN1(0);
+        if (soft_pwm_count_fan[1] <= pwm_count_tmp) WRITE_FAN1(0);
       #endif
       #if HAS_FAN2
-        if (soft_pwm_fan[2] <= pwm_count_tmp) WRITE_FAN2(0);
+        if (soft_pwm_count_fan[2] <= pwm_count_tmp) WRITE_FAN2(0);
       #endif
     #endif // FAN_SOFT_PWM
 

Marlin/temperature.h

       static float redundant_temperature;
     #endif
 
-    static uint8_t soft_pwm_bed;
+    static uint8_t soft_pwm_amount[HOTENDS],
+                   soft_pwm_amount_bed;
 
     #if ENABLED(FAN_SOFT_PWM)
-      static uint8_t fanSpeedSoftPwm[FAN_COUNT];
+      static uint8_t soft_pwm_amount_fan[FAN_COUNT],
+                     soft_pwm_count_fan[FAN_COUNT];
     #endif
 
     #if ENABLED(PIDTEMP) || ENABLED(PIDTEMPBED)
       static millis_t next_auto_fan_check_ms;
     #endif
 
-    static uint8_t soft_pwm[HOTENDS];
-
-    #if ENABLED(FAN_SOFT_PWM)
-      static uint8_t soft_pwm_fan[FAN_COUNT];
-    #endif
-
     #if ENABLED(FILAMENT_WIDTH_SENSOR)
       static int current_raw_filwidth;  //Holds measured filament diameter - one extruder only
     #endif
 
     #if ENABLED(PROBING_HEATERS_OFF)
       static bool paused;
-      static int16_t paused_hotend_temps[HOTENDS];
+      static int16_t paused_hotend_temp[HOTENDS];
 
       #if HAS_TEMP_BED
         static int16_t paused_bed_temp;