🎨 Refactor MOSFET pins layout (#22983)

Marlin/src/inc/SanityCheck.h

@@ -595,6 +595,8 @@
   #error "ARC_SUPPORT now requires MIN_ARC_SEGMENT_MM and MAX_ARC_SEGMENT_MM."
 #elif defined(SPINDLE_LASER_PWM)
   #error "SPINDLE_LASER_PWM (true) is now set with SPINDLE_LASER_USE_PWM (enabled)."
+#elif ANY(IS_RAMPS_EEB, IS_RAMPS_EEF, IS_RAMPS_EFB, IS_RAMPS_EFF, IS_RAMPS_SF)
+  #error "The IS_RAMPS_* conditionals (for heater/fan/bed pins) are now called FET_ORDER_*."
 #endif
 
 #if MB(DUE3DOM_MINI) && PIN_EXISTS(TEMP_2) && DISABLED(TEMP_SENSOR_BOARD)

Marlin/src/pins/linux/pins_RAMPS_LINUX.h

@@ -57,8 +57,6 @@
   #define MARLIN_EEPROM_SIZE              0x1000  // 4KB
 #endif
 
-#define IS_RAMPS_EFB
-
 //
 // Servos
 //
@@ -145,57 +143,40 @@
 #endif
 
 //
-// Augmentation for auto-assigning RAMPS plugs
-//
-#if NONE(IS_RAMPS_EEB, IS_RAMPS_EEF, IS_RAMPS_EFB, IS_RAMPS_EFF, IS_RAMPS_SF) && !PIN_EXISTS(MOSFET_D)
-  #if HAS_MULTI_HOTEND
-    #if TEMP_SENSOR_BED
-      #define IS_RAMPS_EEB
-    #else
-      #define IS_RAMPS_EEF
-    #endif
-  #elif TEMP_SENSOR_BED
-    #define IS_RAMPS_EFB
-  #else
-    #define IS_RAMPS_EFF
-  #endif
-#endif
-
-//
 // Heaters / Fans
 //
-#ifndef MOSFET_D_PIN
-  #define MOSFET_D_PIN                        -1
+#ifndef MOSFET_A_PIN
+  #define MOSFET_A_PIN                        10
 #endif
-#ifndef RAMPS_D8_PIN
-  #define RAMPS_D8_PIN                         8
+#ifndef MOSFET_B_PIN
+  #define MOSFET_B_PIN                         9
 #endif
-#ifndef RAMPS_D9_PIN
-  #define RAMPS_D9_PIN                         9
+#ifndef MOSFET_C_PIN
+  #define MOSFET_C_PIN                         8
 #endif
-#ifndef RAMPS_D10_PIN
-  #define RAMPS_D10_PIN                       10
+#ifndef MOSFET_D_PIN
+  #define MOSFET_D_PIN                        -1
 #endif
 
-#define HEATER_0_PIN               RAMPS_D10_PIN
-
-#if ENABLED(IS_RAMPS_EFB)                         // Hotend, Fan, Bed
-  #define FAN_PIN                   RAMPS_D9_PIN
-  #define HEATER_BED_PIN            RAMPS_D8_PIN
-#elif ENABLED(IS_RAMPS_EEF)                       // Hotend, Hotend, Fan
-  #define HEATER_1_PIN              RAMPS_D9_PIN
-  #define FAN_PIN                   RAMPS_D8_PIN
-#elif ENABLED(IS_RAMPS_EEB)                       // Hotend, Hotend, Bed
-  #define HEATER_1_PIN              RAMPS_D9_PIN
-  #define HEATER_BED_PIN            RAMPS_D8_PIN
-#elif ENABLED(IS_RAMPS_EFF)                       // Hotend, Fan, Fan
-  #define FAN_PIN                   RAMPS_D9_PIN
-  #define FAN1_PIN                  RAMPS_D8_PIN
-#elif ENABLED(IS_RAMPS_SF)                        // Spindle, Fan
-  #define FAN_PIN                   RAMPS_D8_PIN
+#define HEATER_0_PIN                MOSFET_A_PIN
+
+#if FET_ORDER_EFB                                 // Hotend, Fan, Bed
+  #define FAN_PIN                   MOSFET_B_PIN
+  #define HEATER_BED_PIN            MOSFET_C_PIN
+#elif FET_ORDER_EEF                               // Hotend, Hotend, Fan
+  #define HEATER_1_PIN              MOSFET_B_PIN
+  #define FAN_PIN                   MOSFET_C_PIN
+#elif FET_ORDER_EEB                               // Hotend, Hotend, Bed
+  #define HEATER_1_PIN              MOSFET_B_PIN
+  #define HEATER_BED_PIN            MOSFET_C_PIN
+#elif FET_ORDER_EFF                               // Hotend, Fan, Fan
+  #define FAN_PIN                   MOSFET_B_PIN
+  #define FAN1_PIN                  MOSFET_C_PIN
+#elif FET_ORDER_SF                                // Spindle, Fan
+  #define FAN_PIN                   MOSFET_C_PIN
 #else                                             // Non-specific are "EFB" (i.e., "EFBF" or "EFBE")
-  #define FAN_PIN                   RAMPS_D9_PIN
-  #define HEATER_BED_PIN            RAMPS_D8_PIN
+  #define FAN_PIN                   MOSFET_B_PIN
+  #define HEATER_BED_PIN            MOSFET_C_PIN
   #if HOTENDS == 1 && DISABLED(HEATERS_PARALLEL)
     #define FAN1_PIN                MOSFET_D_PIN
   #else

Marlin/src/pins/lpc1768/pins_AZSMZ_MINI.h

@@ -145,9 +145,9 @@
  *  PWM1.4   DIO53   SDSS(SSEL0)      J3-5  AUX-3
  *  PWM1.4   DIO46   Z_STEP_PIN
  *  PWM1.5   DIO3    X_MIN_PIN        10K PULLUP TO 3.3v, 1K SERIES
- *  PWM1.5   DIO9    RAMPS_D9_PIN
+ *  PWM1.5   DIO9    MOSFET_B_PIN
  *  PWM1.6   DIO14   Y_MIN_PIN        10K PULLUP TO 3.3v, 1K SERIES
- *  PWM1.6   DIO10   RAMPS_D10_PIN
+ *  PWM1.6   DIO10   MOSFET_A_PIN
  */
 
  /**

Marlin/src/pins/lpc1768/pins_MKS_SBASE.h

@@ -363,9 +363,9 @@
  *  PWM1.4   P1_23   SDSS(SSEL0)      J3-5  AUX-3
  *  PWM1.4   P2_03   Z_STEP_PIN
  *  PWM1.5   P1_24   X_MIN_PIN        10K PULLUP TO 3.3v, 1K SERIES
- *  PWM1.5   P2_04   RAMPS_D9_PIN
+ *  PWM1.5   P2_04   MOSFET_B_PIN
  *  PWM1.6   P1_26   Y_MIN_PIN        10K PULLUP TO 3.3v, 1K SERIES
- *  PWM1.6   P2_05   RAMPS_D10_PIN
+ *  PWM1.6   P2_05   MOSFET_A_PIN
  */
 
 /**

Marlin/src/pins/lpc1768/pins_RAMPS_RE_ARM.h

@@ -169,51 +169,34 @@
 #define FILWIDTH_PIN                    P0_02_A7  // A7 - ( 1)  - TXD0 - J4-5 & AUX-1
 
 //
-// Augmentation for auto-assigning RAMPS plugs
-//
-#if NONE(IS_RAMPS_EEB, IS_RAMPS_EEF, IS_RAMPS_EFB, IS_RAMPS_EFF, IS_RAMPS_SF) && !PIN_EXISTS(MOSFET_D)
-  #if HAS_MULTI_HOTEND
-    #if TEMP_SENSOR_BED
-      #define IS_RAMPS_EEB
-    #else
-      #define IS_RAMPS_EEF
-    #endif
-  #elif TEMP_SENSOR_BED
-    #define IS_RAMPS_EFB
-  #else
-    #define IS_RAMPS_EFF
-  #endif
-#endif
-
-//
 // Heaters / Fans
 //
-#ifndef MOSFET_D_PIN
-  #define MOSFET_D_PIN                     -1
+#ifndef MOSFET_A_PIN
+  #define MOSFET_A_PIN                     P2_05
 #endif
-#ifndef RAMPS_D8_PIN
-  #define RAMPS_D8_PIN                     P2_07  // (8)
+#ifndef MOSFET_B_PIN
+  #define MOSFET_B_PIN                     P2_04
 #endif
-#ifndef RAMPS_D9_PIN
-  #define RAMPS_D9_PIN                     P2_04  // (9)
+#ifndef MOSFET_C_PIN
+  #define MOSFET_C_PIN                     P2_07
 #endif
-#ifndef RAMPS_D10_PIN
-  #define RAMPS_D10_PIN                    P2_05  // (10)
+#ifndef MOSFET_D_PIN
+  #define MOSFET_D_PIN                     -1
 #endif
 
-#define HEATER_0_PIN               RAMPS_D10_PIN
-
-#if ENABLED(IS_RAMPS_EFB)                         // Hotend, Fan, Bed
-  #define HEATER_BED_PIN            RAMPS_D8_PIN
-#elif ENABLED(IS_RAMPS_EEF)                       // Hotend, Hotend, Fan
-  #define HEATER_1_PIN              RAMPS_D9_PIN
-#elif ENABLED(IS_RAMPS_EEB)                       // Hotend, Hotend, Bed
-  #define HEATER_1_PIN              RAMPS_D9_PIN
-  #define HEATER_BED_PIN            RAMPS_D8_PIN
-#elif ENABLED(IS_RAMPS_EFF)                       // Hotend, Fan, Fan
-  #define FAN1_PIN                  RAMPS_D8_PIN
-#elif DISABLED(IS_RAMPS_SF)                       // Not Spindle, Fan (i.e., "EFBF" or "EFBE")
-  #define HEATER_BED_PIN            RAMPS_D8_PIN
+#define HEATER_0_PIN                MOSFET_A_PIN
+
+#if FET_ORDER_EFB                                 // Hotend, Fan, Bed
+  #define HEATER_BED_PIN            MOSFET_C_PIN
+#elif FET_ORDER_EEF                               // Hotend, Hotend, Fan
+  #define HEATER_1_PIN              MOSFET_B_PIN
+#elif FET_ORDER_EEB                               // Hotend, Hotend, Bed
+  #define HEATER_1_PIN              MOSFET_B_PIN
+  #define HEATER_BED_PIN            MOSFET_C_PIN
+#elif FET_ORDER_EFF                               // Hotend, Fan, Fan
+  #define FAN1_PIN                  MOSFET_C_PIN
+#elif DISABLED(FET_ORDER_SF)                      // Not Spindle, Fan (i.e., "EFBF" or "EFBE")
+  #define HEATER_BED_PIN            MOSFET_C_PIN
   #if HOTENDS == 1 && DISABLED(HEATERS_PARALLEL)
     #define FAN1_PIN                MOSFET_D_PIN
   #else
@@ -222,14 +205,14 @@
 #endif
 
 #ifndef FAN_PIN
-  #if EITHER(IS_RAMPS_EFB, IS_RAMPS_EFF)          // Hotend, Fan, Bed or Hotend, Fan, Fan
-    #define FAN_PIN                 RAMPS_D9_PIN
-  #elif EITHER(IS_RAMPS_EEF, IS_RAMPS_SF)         // Hotend, Hotend, Fan or Spindle, Fan
-    #define FAN_PIN                 RAMPS_D8_PIN
-  #elif ENABLED(IS_RAMPS_EEB)                     // Hotend, Hotend, Bed
+  #if EITHER(FET_ORDER_EFB, FET_ORDER_EFF)        // Hotend, Fan, Bed or Hotend, Fan, Fan
+    #define FAN_PIN                 MOSFET_B_PIN
+  #elif EITHER(FET_ORDER_EEF, FET_ORDER_SF)       // Hotend, Hotend, Fan or Spindle, Fan
+    #define FAN_PIN                 MOSFET_C_PIN
+  #elif FET_ORDER_EEB                             // Hotend, Hotend, Bed
     #define FAN_PIN                        P1_18  // (4) IO pin. Buffer needed
   #else                                           // Non-specific are "EFB" (i.e., "EFBF" or "EFBE")
-    #define FAN_PIN                 RAMPS_D9_PIN
+    #define FAN_PIN                 MOSFET_B_PIN
   #endif
 #endif
 
@@ -484,14 +467,14 @@
  *  All Fast PWMs have a 50Hz rate.
  *
  *  The following pins/signals use the direct method. All other pins use the
- *  the interrupt method. Note that SERVO2_PIN and RAMPS_D8_PIN use the
+ *  the interrupt method. Note that SERVO2_PIN and MOSFET_C_PIN use the
  *  interrupt method.
  *
  *     P1_20 (11)   SERVO0_PIN
  *     P1_21 ( 6)   SERVO1_PIN       J5-1
  *     P0_18 ( 4)   SERVO3_PIN       5V output
- *    *P2_04 ( 9)   RAMPS_D9_PIN
- *    *P2_05 (10)   RAMPS_D10_PIN
+ *    *P2_04 ( 9)   MOSFET_B_PIN
+ *    *P2_05 (10)   MOSFET_A_PIN
  *
  *    * - If used as a heater driver then a Fast PWM is NOT assigned. If used as
  *        a fan driver then enabling FAST_PWM_FAN assigns a Fast PWM to it.

Marlin/src/pins/mega/pins_MIGHTYBOARD_REVE.h

@@ -151,54 +151,43 @@
 // With no heated bed, an additional 24V fan is possible.
 //
 
-// Labels from the schematic:
-#define EX1_HEAT_PIN                           6  // H3
-#define EX1_FAN_PIN                            7  // H4
-#define EX2_HEAT_PIN                          11  // B5
-#define EX2_FAN_PIN                           12  // B6
-#define HBP_PIN                               45  // L4
-#define EXTRA_FET_PIN                         44  // L5
-
-#if HAS_MULTI_HOTEND
-  #if TEMP_SENSOR_BED
-    #define IS_EEB
-  #else
-    #define IS_EEF
-  #endif
-#elif TEMP_SENSOR_BED
-  #define IS_EFB
-#else
-  #define IS_EFF
-#endif
+#define MOSFET_A_PIN                           6  // H3 EX1_HEAT_PIN
+#define MOSFET_B_PIN                          11  // B5 EX2_HEAT_PIN
+#define MOSFET_C_PIN                          45  // L4 HBP_PIN
+#define MOSFET_D_PIN                          44  // L5 EXTRA_FET_PIN
 
 //
 // Heaters / Fans (24V)
 //
-#define HEATER_0_PIN                EX1_HEAT_PIN
-
-#if ENABLED(IS_EFB)                               // Hotend, Fan, Bed
-  #define HEATER_BED_PIN                 HBP_PIN
-#elif ENABLED(IS_EEF)                             // Hotend, Hotend, Fan
-  #define HEATER_1_PIN              EX2_HEAT_PIN
-#elif ENABLED(IS_EEB)                             // Hotend, Hotend, Bed
-  #define HEATER_1_PIN              EX2_HEAT_PIN
-  #define HEATER_BED_PIN                 HBP_PIN
-#elif ENABLED(IS_EFF)                             // Hotend, Fan, Fan
-  #define FAN1_PIN                       HBP_PIN
+#define HEATER_0_PIN                MOSFET_A_PIN
+
+#if FET_ORDER_EFB                                 // Hotend, Fan, Bed
+  #define HEATER_BED_PIN            MOSFET_C_PIN
+#elif FET_ORDER_EEF                               // Hotend, Hotend, Fan
+  #define HEATER_1_PIN              MOSFET_B_PIN
+#elif FET_ORDER_EEB                               // Hotend, Hotend, Bed
+  #define HEATER_1_PIN              MOSFET_B_PIN
+  #define HEATER_BED_PIN            MOSFET_C_PIN
+#elif FET_ORDER_EFF                               // Hotend, Fan, Fan
+  #define FAN1_PIN                  MOSFET_C_PIN
 #endif
 
 #ifndef FAN_PIN
-  #if EITHER(IS_EFB, IS_EFF)                      // Hotend, Fan, Bed or Hotend, Fan, Fan
-    #define FAN_PIN                 EX2_HEAT_PIN
-  #elif EITHER(IS_EEF, IS_SF)                     // Hotend, Hotend, Fan or Spindle, Fan
-    #define FAN_PIN                      HBP_PIN
+  #if EITHER(FET_ORDER_EFB, FET_ORDER_EFF)        // Hotend, Fan, Bed or Hotend, Fan, Fan
+    #define FAN_PIN                 MOSFET_B_PIN
+  #elif EITHER(FET_ORDER_EEF, FET_ORDER_SF)       // Hotend, Hotend, Fan or Spindle, Fan
+    #define FAN_PIN                 MOSFET_C_PIN
   #else
-    #define FAN_PIN                EXTRA_FET_PIN
+    #define FAN_PIN                 MOSFET_D_PIN
   #endif
 #endif
 
+#ifndef FAN1_PIN
+  #define FAN1_PIN                             7  // H4 EX1_FAN_PIN
+#endif
+
 #ifndef CONTROLLER_FAN_PIN
-  #define CONTROLLER_FAN_PIN         EX2_FAN_PIN
+  #define CONTROLLER_FAN_PIN                  12  // B6 EX2_FAN_PIN
 #endif
 
 //
@@ -268,9 +257,6 @@
 #define SDSS                                  53  // B0
 #define SD_DETECT_PIN                          9  // H6
 
-//
-// TMC 220x
-//
 #if HAS_TMC_UART
   /**
    * TMC220x stepper drivers

Marlin/src/pins/pins.h

@@ -38,15 +38,23 @@
 #define MAX_E_STEPPERS 8
 
 #if   MB(RAMPS_13_EFB, RAMPS_14_EFB, RAMPS_PLUS_EFB, RAMPS_14_RE_ARM_EFB, RAMPS_SMART_EFB, RAMPS_DUO_EFB, RAMPS4DUE_EFB)
-  #define IS_RAMPS_EFB
+  #define FET_ORDER_EFB 1
 #elif MB(RAMPS_13_EEB, RAMPS_14_EEB, RAMPS_PLUS_EEB, RAMPS_14_RE_ARM_EEB, RAMPS_SMART_EEB, RAMPS_DUO_EEB, RAMPS4DUE_EEB)
-  #define IS_RAMPS_EEB
+  #define FET_ORDER_EEB 1
 #elif MB(RAMPS_13_EFF, RAMPS_14_EFF, RAMPS_PLUS_EFF, RAMPS_14_RE_ARM_EFF, RAMPS_SMART_EFF, RAMPS_DUO_EFF, RAMPS4DUE_EFF)
-  #define IS_RAMPS_EFF
+  #define FET_ORDER_EFF 1
 #elif MB(RAMPS_13_EEF, RAMPS_14_EEF, RAMPS_PLUS_EEF, RAMPS_14_RE_ARM_EEF, RAMPS_SMART_EEF, RAMPS_DUO_EEF, RAMPS4DUE_EEF)
-  #define IS_RAMPS_EEF
-#elif MB(RAMPS_13_SF,  RAMPS_14_SF,  RAMPS_PLUS_SF,  RAMPS_14_RE_ARM_SF,  RAMPS_SMART_SF,  RAMPS_DUO_SF,  RAMPS4DUE_SF)
-  #define IS_RAMPS_SF
+  #define FET_ORDER_EEF 1
+#elif MB(RAMPS_13_SF,  RAMPS_14_SF,  RAMPS_PLUS_SF,  RAMPS_14_RE_ARM_SF,  RAMPS_SMART_SF,  RAMPS_DUO_SF,  RAMPS4DUE_SF) || EITHER(SPINDLE_FEATURE, LASER_FEATURE)
+  #define FET_ORDER_SF 1
+#elif HAS_MULTI_HOTEND && TEMP_SENSOR_BED
+  #define FET_ORDER_EEB 1
+#elif HAS_MULTI_HOTEND
+  #define FET_ORDER_EEF 1
+#elif TEMP_SENSOR_BED
+  #define FET_ORDER_EFB 1
+#else
+  #define FET_ORDER_EFF 1
 #endif
 
 #if !(BOTH(IS_ULTRA_LCD, IS_NEWPANEL) && ANY(PANEL_ONE, VIKI2, miniVIKI, WYH_L12864, MINIPANEL, REPRAPWORLD_KEYPAD))

Marlin/src/pins/pinsDebug_list.h

@@ -909,15 +909,6 @@
 #if _EXISTS(REF_CLK)
   REPORT_NAME_DIGITAL(__LINE__, REF_CLK)
 #endif
-#if PIN_EXISTS(RAMPS_D10)
-  REPORT_NAME_DIGITAL(__LINE__, RAMPS_D10_PIN)
-#endif
-#if PIN_EXISTS(RAMPS_D8)
-  REPORT_NAME_DIGITAL(__LINE__, RAMPS_D8_PIN)
-#endif
-#if PIN_EXISTS(RAMPS_D9)
-  REPORT_NAME_DIGITAL(__LINE__, RAMPS_D9_PIN)
-#endif
 #if PIN_EXISTS(NEOPIXEL)
   REPORT_NAME_DIGITAL(__LINE__, NEOPIXEL_PIN)
 #endif

Marlin/src/pins/ramps/pins_3DRAG.h

@@ -62,8 +62,8 @@
 //
 // Heaters / Fans
 //
-#define RAMPS_D8_PIN                           9
-#define RAMPS_D9_PIN                           8
+#define MOSFET_B_PIN                           8
+#define MOSFET_C_PIN                           9
 #define MOSFET_D_PIN                          12
 
 //

Marlin/src/pins/ramps/pins_BQ_ZUM_MEGA_3D.h

@@ -68,9 +68,9 @@
 //
 // Heaters / Fans
 //
-#define RAMPS_D8_PIN                          10
-#define RAMPS_D9_PIN                          12
-#define RAMPS_D10_PIN                          9
+#define MOSFET_A_PIN                           9
+#define MOSFET_B_PIN                          12
+#define MOSFET_C_PIN                          10
 #define MOSFET_D_PIN                           7
 
 //

Marlin/src/pins/ramps/pins_FORMBOT_RAPTOR.h

@@ -122,23 +122,6 @@
 #endif
 
 //
-// Augmentation for auto-assigning RAMPS plugs
-//
-#if NONE(IS_RAMPS_EEB, IS_RAMPS_EEF, IS_RAMPS_EFB, IS_RAMPS_EFF, IS_RAMPS_SF) && !PIN_EXISTS(MOSFET_D)
-  #if HAS_MULTI_HOTEND
-    #if TEMP_SENSOR_BED
-      #define IS_RAMPS_EEB
-    #else
-      #define IS_RAMPS_EEF
-    #endif
-  #elif TEMP_SENSOR_BED
-    #define IS_RAMPS_EFB
-  #else
-    #define IS_RAMPS_EFF
-  #endif
-#endif
-
-//
 // Heaters / Fans
 //
 #define HEATER_0_PIN                          10

Marlin/src/pins/ramps/pins_FORMBOT_TREX2PLUS.h

@@ -119,23 +119,6 @@
 #endif
 
 //
-// Augmentation for auto-assigning RAMPS plugs
-//
-#if NONE(IS_RAMPS_EEB, IS_RAMPS_EEF, IS_RAMPS_EFB, IS_RAMPS_EFF, IS_RAMPS_SF) && !PIN_EXISTS(MOSFET_D)
-  #if HAS_MULTI_HOTEND
-    #if TEMP_SENSOR_BED
-      #define IS_RAMPS_EEB
-    #else
-      #define IS_RAMPS_EEF
-    #endif
-  #elif TEMP_SENSOR_BED
-    #define IS_RAMPS_EFB
-  #else
-    #define IS_RAMPS_EFF
-  #endif
-#endif
-
-//
 // Heaters / Fans
 //
 #define HEATER_0_PIN                          10

Marlin/src/pins/ramps/pins_K8600.h

@@ -59,7 +59,6 @@
 //
 // Other RAMPS pins
 //
-#define IS_RAMPS_EFB                              // Override autodetection. Bed will be undefined.
 #include "pins_RAMPS.h"
 
 //

Marlin/src/pins/ramps/pins_LONGER3D_LKx_PRO.h

@@ -116,5 +116,4 @@
 //
 // Other RAMPS 1.3 pins
 //
-#define IS_RAMPS_EFB                              // Override autodetection. Bed will be undefined.
 #include "pins_RAMPS_13.h" // ... RAMPS

Marlin/src/pins/ramps/pins_RAMPS.h

@@ -190,51 +190,34 @@
 #endif
 
 //
-// Augmentation for auto-assigning RAMPS plugs
-//
-#if NONE(IS_RAMPS_EEB, IS_RAMPS_EEF, IS_RAMPS_EFB, IS_RAMPS_EFF, IS_RAMPS_SF) && !PIN_EXISTS(MOSFET_D)
-  #if HAS_MULTI_HOTEND
-    #if TEMP_SENSOR_BED
-      #define IS_RAMPS_EEB
-    #else
-      #define IS_RAMPS_EEF
-    #endif
-  #elif TEMP_SENSOR_BED
-    #define IS_RAMPS_EFB
-  #else
-    #define IS_RAMPS_EFF
-  #endif
-#endif
-
-//
 // Heaters / Fans
 //
-#ifndef MOSFET_D_PIN
-  #define MOSFET_D_PIN                        -1
+#ifndef MOSFET_A_PIN
+  #define MOSFET_A_PIN                        10
 #endif
-#ifndef RAMPS_D8_PIN
-  #define RAMPS_D8_PIN                         8
+#ifndef MOSFET_B_PIN
+  #define MOSFET_B_PIN                         9
 #endif
-#ifndef RAMPS_D9_PIN
-  #define RAMPS_D9_PIN                         9
+#ifndef MOSFET_C_PIN
+  #define MOSFET_C_PIN                         8
 #endif
-#ifndef RAMPS_D10_PIN
-  #define RAMPS_D10_PIN                       10
+#ifndef MOSFET_D_PIN
+  #define MOSFET_D_PIN                        -1
 #endif
 
-#define HEATER_0_PIN               RAMPS_D10_PIN
+#define HEATER_0_PIN                MOSFET_A_PIN
 
-#if ENABLED(IS_RAMPS_EFB)                         // Hotend, Fan, Bed
-  #define HEATER_BED_PIN            RAMPS_D8_PIN
-#elif ENABLED(IS_RAMPS_EEF)                       // Hotend, Hotend, Fan
-  #define HEATER_1_PIN              RAMPS_D9_PIN
-#elif ENABLED(IS_RAMPS_EEB)                       // Hotend, Hotend, Bed
-  #define HEATER_1_PIN              RAMPS_D9_PIN
-  #define HEATER_BED_PIN            RAMPS_D8_PIN
-#elif ENABLED(IS_RAMPS_EFF)                       // Hotend, Fan, Fan
-  #define FAN1_PIN                  RAMPS_D8_PIN
-#elif DISABLED(IS_RAMPS_SF)                       // Not Spindle, Fan (i.e., "EFBF" or "EFBE")
-  #define HEATER_BED_PIN            RAMPS_D8_PIN
+#if FET_ORDER_EFB                                 // Hotend, Fan, Bed
+  #define HEATER_BED_PIN            MOSFET_C_PIN
+#elif FET_ORDER_EEF                               // Hotend, Hotend, Fan
+  #define HEATER_1_PIN              MOSFET_B_PIN
+#elif FET_ORDER_EEB                               // Hotend, Hotend, Bed
+  #define HEATER_1_PIN              MOSFET_B_PIN
+  #define HEATER_BED_PIN            MOSFET_C_PIN
+#elif FET_ORDER_EFF                               // Hotend, Fan, Fan
+  #define FAN1_PIN                  MOSFET_C_PIN
+#elif DISABLED(FET_ORDER_SF)                      // Not Spindle, Fan (i.e., "EFBF" or "EFBE")
+  #define HEATER_BED_PIN            MOSFET_C_PIN
   #if EITHER(HAS_MULTI_HOTEND, HEATERS_PARALLEL)
     #define HEATER_1_PIN            MOSFET_D_PIN
   #else
@@ -243,14 +226,14 @@
 #endif
 
 #ifndef FAN_PIN
-  #if EITHER(IS_RAMPS_EFB, IS_RAMPS_EFF)          // Hotend, Fan, Bed or Hotend, Fan, Fan
-    #define FAN_PIN                 RAMPS_D9_PIN
-  #elif EITHER(IS_RAMPS_EEF, IS_RAMPS_SF)         // Hotend, Hotend, Fan or Spindle, Fan
-    #define FAN_PIN                 RAMPS_D8_PIN
-  #elif ENABLED(IS_RAMPS_EEB)                     // Hotend, Hotend, Bed
+  #if EITHER(FET_ORDER_EFB, FET_ORDER_EFF)        // Hotend, Fan, Bed or Hotend, Fan, Fan
+    #define FAN_PIN                 MOSFET_B_PIN
+  #elif EITHER(FET_ORDER_EEF, FET_ORDER_SF)       // Hotend, Hotend, Fan or Spindle, Fan
+    #define FAN_PIN                 MOSFET_C_PIN
+  #elif FET_ORDER_EEB                             // Hotend, Hotend, Bed
     #define FAN_PIN                            4  // IO pin. Buffer needed
   #else                                           // Non-specific are "EFB" (i.e., "EFBF" or "EFBE")
-    #define FAN_PIN                 RAMPS_D9_PIN
+    #define FAN_PIN                 MOSFET_B_PIN
   #endif
 #endif
 

Marlin/src/pins/ramps/pins_RAMPS_ENDER_4.h

@@ -36,6 +36,6 @@
 #if ENABLED(CASE_LIGHT_ENABLE)
   #undef FAN_PIN
   #ifndef CASE_LIGHT_PIN
-    #define CASE_LIGHT_PIN RAMPS_D9_PIN
+    #define CASE_LIGHT_PIN MOSFET_B_PIN
   #endif
 #endif

Marlin/src/pins/ramps/pins_RAMPS_PLUS.h

@@ -41,8 +41,8 @@
 
 #define BOARD_INFO_NAME "RAMPS 1.4 Plus"
 
-#define RAMPS_D8_PIN                          10
-#define RAMPS_D10_PIN                          8
+#define MOSFET_A_PIN                           8
+#define MOSFET_C_PIN                          10
 
 //
 // Steppers

Marlin/src/pins/ramps/pins_RIGIDBOARD.h

@@ -51,8 +51,8 @@
 //
 // MOSFET changes
 //
-#define RAMPS_D9_PIN                           8  // FAN (by default)
-#define RAMPS_D10_PIN                          9  // EXTRUDER 1
+#define MOSFET_A_PIN                           9  // EXTRUDER 1
+#define MOSFET_B_PIN                           8  // FAN (by default)
 #define MOSFET_D_PIN                          12  // EXTRUDER 2 or FAN
 
 #include "pins_RAMPS.h"

Marlin/src/pins/ramps/pins_SAINSMART_2IN1.h

@@ -34,9 +34,9 @@
 //
 // Heaters / Fans
 //
-#define RAMPS_D10_PIN 9   // E
-#define RAMPS_D9_PIN  7   // F PART FAN in front of board next to Extruder heat
-     // RAMPS_D8_PIN  8   // B
-#define MOSFET_D_PIN 10   // F / E
+#define MOSFET_A_PIN                           9  // E
+#define MOSFET_B_PIN                           7  // F PART FAN in front of board next to Extruder heat
+     // MOSFET_C_PIN                           8  // B
+#define MOSFET_D_PIN                          10  // F / E
 
 #include "pins_RAMPS.h"

Marlin/src/pins/ramps/pins_TRIGORILLA_13.h

@@ -27,8 +27,7 @@
 
 #define BOARD_INFO_NAME "Anycubic RAMPS 1.3"
 
-#define IS_RAMPS_EFB
-#define RAMPS_D9_PIN                         44
+#define MOSFET_B_PIN                         44
 
 #define E1_STEP_PIN                          -1
 #define E1_DIR_PIN                           -1

Marlin/src/pins/ramps/pins_TRIGORILLA_14.h

@@ -27,16 +27,6 @@
 
 #define BOARD_INFO_NAME "Anycubic RAMPS 1.4"
 
-// Board labeled pins:
-
-#define TG_HEATER_BED_PIN                      8
-#define TG_HEATER_0_PIN                       10
-#define TG_HEATER_1_PIN                       45  // Anycubic Kossel: Unused
-
-#define TG_FAN0_PIN                            9  // Anycubic Kossel: Usually the part cooling fan
-#define TG_FAN1_PIN                            7  // Anycubic Kossel: Unused
-#define TG_FAN2_PIN                           44  // Anycubic Kossel: Hotend fan
-
 //
 // Servos
 //
@@ -47,45 +37,45 @@
   #define SERVO3_PIN                           6
 #endif
 
-// Remap MOSFET pins to common usages:
-
-#define RAMPS_D10_PIN            TG_HEATER_0_PIN  // HEATER_0_PIN is always RAMPS_D10_PIN in pins_RAMPS.h
+//
+// PWM FETS
+//
+#if EITHER(FET_ORDER_EEF, FET_ORDER_EEB)
+  #define MOSFET_B_PIN                        45  // HEATER1
+#elif FET_ORDER_EFB
+  #define MOSFET_B_PIN                         9  // FAN0
+#else
+  #define MOSFET_B_PIN                         7  // FAN1
+#endif
 
-#if HAS_MULTI_HOTEND                              // EEF and EEB
-  #define RAMPS_D9_PIN           TG_HEATER_1_PIN
-  #if !TEMP_SENSOR_BED
-    // EEF
-    #define RAMPS_D8_PIN             TG_FAN0_PIN
+#if FET_ORDER_EEB
+  #define MOSFET_C_PIN                         8  // BED
+#elif FET_ORDER_EFB
+  #if DISABLED(ANYCUBIC_LCD_CHIRON)
+    #define MOSFET_C_PIN                       8
   #else
-    // EEB
-    #define RAMPS_D8_PIN       TG_HEATER_BED_PIN
-    #define FAN_PIN                  TG_FAN0_PIN  // Override pin 4 in pins_RAMPS.h
+    #define MOSFET_C_PIN                      45
   #endif
-#elif TEMP_SENSOR_BED
-  // EFB (Anycubic Kossel default)
-  #define RAMPS_D9_PIN               TG_FAN0_PIN
-  #if ENABLED(ANYCUBIC_LCD_CHIRON)
-    #define RAMPS_D8_PIN         TG_HEATER_1_PIN  // Heated bed is connected to HEATER1 output
-  #else
-    #define RAMPS_D8_PIN       TG_HEATER_BED_PIN
-  #endif
-#else
-  // EFF
-  #define RAMPS_D9_PIN               TG_FAN1_PIN
-  #define RAMPS_D8_PIN               TG_FAN0_PIN
+#else                                             // EEF, EFF
+  #define MOSFET_C_PIN                         9
 #endif
 
-#if HAS_MULTI_HOTEND || TEMP_SENSOR_BED           // EEF, EEB, EFB
-  #define FAN1_PIN                   TG_FAN1_PIN
+#if FET_ORDER_EEB
+  #define FAN_PIN                              9  // Override pin 4 in pins_RAMPS.h
 #endif
-#define FAN2_PIN                     TG_FAN2_PIN
 
+//
+// Heaters / Fans
+//
+#if ANY(FET_ORDER_EEF, FET_ORDER_EEB, FET_ORDER_EFB)
+  #define FAN1_PIN                             7
+#endif
+#define FAN2_PIN                              44
 #ifndef E0_AUTO_FAN_PIN
-  #define E0_AUTO_FAN_PIN            TG_FAN2_PIN  // Used in Anycubic Kossel example config
+  #define E0_AUTO_FAN_PIN                     44  // Used in Anycubic Kossel example config
 #endif
-
 #if ENABLED(ANYCUBIC_LCD_I3MEGA)
-  #define CONTROLLER_FAN_PIN         TG_FAN1_PIN
+  #define CONTROLLER_FAN_PIN                   7
 #endif
 
 //

Marlin/src/pins/ramps/pins_VORON.h

@@ -28,7 +28,7 @@
 
 #define BOARD_INFO_NAME "VORON Design v2"
 
-#define RAMPS_D8_PIN                          11
+#define MOSFET_C_PIN                          11
 
 #include "pins_RAMPS.h"
 

Marlin/src/pins/ramps/pins_ZRIB_V52.h

@@ -32,11 +32,11 @@
 #define BOARD_INFO_NAME "ZRIB V5.2"
 
 #define MKS_BASE_VERSION                      14
-#define IS_RAMPS_EFB
 
 //
 // Heaters / Fans
 //
+#define HEATER_1_PIN                           7
 #define FAN_PIN                                9  // PH6 ** Pin18 ** PWM9
 #define FAN1_PIN                               6
 
@@ -46,7 +46,6 @@
 #define E2_STEP_PIN                            4
 #define E2_DIR_PIN                             5
 #define E2_ENABLE_PIN                         22
-#define HEATER_1_PIN                           7
 
 #include "pins_MKS_BASE_common.h" // ... RAMPS