What is BTN_PIN ?

thinkyhead · thinkyhead · commit 164bcd775c6c · 2021-08-21T17:06:34.000-05:00
diff --git a/Marlin/src/pins/stm32f4/pins_FYSETC_S6.h b/Marlin/src/pins/stm32f4/pins_FYSETC_S6.h
@@ -198,7 +198,6 @@
 // Misc. Functions
 //
 //#define LED_PIN                           PB14
-//#define BTN_PIN                           PC10
 //#define PS_ON_PIN                         PE11
 //#define KILL_PIN                          PC5
 
diff --git a/Marlin/src/pins/stm32f4/pins_RUMBA32_AUS3D.h b/Marlin/src/pins/stm32f4/pins_RUMBA32_AUS3D.h
@@ -51,7 +51,6 @@
 #if MB(RUMBA32_V1_1)
 
   #define SERVO0_PIN                        PA15
-  #undef BTN_PIN
 
   #if HAS_TMC_UART
     //
diff --git a/Marlin/src/pins/stm32f4/pins_RUMBA32_BTT.h b/Marlin/src/pins/stm32f4/pins_RUMBA32_BTT.h
@@ -42,10 +42,7 @@
 
 #include "pins_RUMBA32_common.h"
 
-#define X_MIN_PIN                           PB12
-
 #define SERVO0_PIN                          PA15  // Pin is not broken out, is a test point only.
-#undef BTN_PIN
 
 #if HAS_TMC_UART
   //
diff --git a/Marlin/src/pins/stm32f4/pins_RUMBA32_common.h b/Marlin/src/pins/stm32f4/pins_RUMBA32_common.h
@@ -134,7 +134,6 @@
 // Misc. Functions
 //
 #define LED_PIN                             PB14
-#define BTN_PIN                             PC10
 #define PS_ON_PIN                           PE11
 #define KILL_PIN                            PC5
 
