Update Pause Pin

MarlinKimbra/Configuration.h

@@ -683,6 +683,9 @@ your extruder heater takes 2 minutes to hit the target on heating.
 
 // Setting firmware for filament end switch
 //#define FILAMENT_END_SWITCH
+#ifdef FILAMENT_END_SWITCH
+  const bool PAUSE_PIN_INVERTING = false;      // set to true to invert the logic of the pause pin.
+#endif
 
 // define laser beam support
 //#define LASERBEAM

MarlinKimbra/Marlin_main.cpp

@@ -4643,6 +4643,10 @@ void process_commands()
           SERIAL_PROTOCOLPGM(MSG_E_MIN);
           SERIAL_PROTOCOLLN(((READ(E_MIN_PIN)^E_MIN_ENDSTOP_INVERTING)?MSG_ENDSTOP_HIT:MSG_ENDSTOP_OPEN));
         #endif
+        #if defined(PAUSE_PIN) && PAUSE_PIN > -1
+          SERIAL_PROTOCOLPGM(MSG_PAUSE_PIN);
+          SERIAL_PROTOCOLLN(((READ(PAUSE_PIN)^PAUSE_PIN_INVERTING)?MSG_ENDSTOP_HIT:MSG_ENDSTOP_OPEN));
+        #endif
       }
       break;
       case 120: //M120 - Disable Endstop
@@ -6398,7 +6402,7 @@ void kill()
 void pause()
 {
   #if defined(PAUSE_PIN) && PAUSE_PIN > -1
-    if (READ(PAUSE_PIN) == 0 && printing && !paused)
+    if ((READ(PAUSE_PIN)^PAUSE_PIN_INVERTING) && printing && !paused)
     {
       paused = true;
       enquecommand("M600");

MarlinKimbra/language.h

@@ -116,6 +116,7 @@
 #define MSG_Z_MIN                           "z_min: "
 #define MSG_Z_MAX                           "z_max: "
 #define MSG_E_MIN                           "e_min: "
+#define MSG_PAUSE_PIN                       "pause pin: "
 #define MSG_M119_REPORT                     "Reporting endstop status"
 #define MSG_ENDSTOP_HIT                     "TRIGGERED"
 #define MSG_ENDSTOP_OPEN                    "open"