Merge pull request #3222 from thinkyhead/rc_persist_endstop_enabling

M120/M121 also set endstops non-homing state

Marlin/Marlin_main.cpp

   inline void raise_z_after_probing() { do_blocking_move_to_z(current_position[Z_AXIS] + Z_RAISE_AFTER_PROBING); }
 
   static void clean_up_after_endstop_move() {
-    #if ENABLED(ENDSTOPS_ONLY_FOR_HOMING)
-      #if ENABLED(DEBUG_LEVELING_FEATURE)
-        if (marlin_debug_flags & DEBUG_LEVELING) {
-          SERIAL_ECHOLNPGM("clean_up_after_endstop_move > ENDSTOPS_ONLY_FOR_HOMING > enable_endstops(false)");
-        }
-      #endif
-      enable_endstops(false);
+    #if ENABLED(DEBUG_LEVELING_FEATURE)
+      if (marlin_debug_flags & DEBUG_LEVELING) {
+        SERIAL_ECHOLNPGM("clean_up_after_endstop_move > ENDSTOPS_ONLY_FOR_HOMING > endstops_not_homing()");
+      }
     #endif
+    endstops_not_homing();
     feedrate = saved_feedrate;
     feedrate_multiplier = saved_feedrate_multiplier;
     refresh_cmd_timeout();
 }
 
 /**
- * M120: Enable endstops
+ * M120: Enable endstops and set non-homing endstop state to "enabled"
  */
-inline void gcode_M120() { enable_endstops(true); }
+inline void gcode_M120() { enable_endstops_globally(true); }
 
 /**
- * M121: Disable endstops
+ * M121: Disable endstops and set non-homing endstop state to "disabled"
  */
-inline void gcode_M121() { enable_endstops(false); }
+inline void gcode_M121() { enable_endstops_globally(false); }
 
 #if ENABLED(BLINKM)
 

Marlin/stepper.cpp

 #endif
 
 static bool check_endstops = true;
+static bool check_endstops_global =
+  #if ENABLED(ENDSTOPS_ONLY_FOR_HOMING)
+    false
+  #else
+    true
+  #endif
+;
 
 volatile long count_position[NUM_AXIS] = { 0 }; // Positions of stepper motors, in step units
 volatile signed char count_direction[NUM_AXIS] = { 1 };
 #define ENABLE_STEPPER_DRIVER_INTERRUPT()  SBI(TIMSK1, OCIE1A)
 #define DISABLE_STEPPER_DRIVER_INTERRUPT() CBI(TIMSK1, OCIE1A)
 
-void endstops_hit_on_purpose() {
-  endstop_hit_bits = 0;
-}
+void enable_endstops(bool check) { check_endstops = check; }
+
+void enable_endstops_globally(bool check) { check_endstops_global = check_endstops = check; }
+
+void endstops_not_homing() { check_endstops = check_endstops_global; }
+
+void endstops_hit_on_purpose() { endstop_hit_bits = 0; }
 
 void checkHitEndstops() {
   if (endstop_hit_bits) {
   }
 }
 
-void enable_endstops(bool check) { check_endstops = check; }
-
 // Check endstops - Called from ISR!
 inline void update_endstops() {
 

Marlin/stepper.h

 
 void enable_endstops(bool check); // Enable/disable endstop checking
 
+void enable_endstops_globally(bool check);
+void endstops_not_homing();
+
 void checkStepperErrors(); //Print errors detected by the stepper
 
 void finishAndDisableSteppers();