From ea29b71a3aae563a4635ca75883186b6039ee549 Mon Sep 17 00:00:00 2001
From: Scott Lahteine <github@thinkyhead.com>
Date: Sat, 22 Sep 2018 03:22:55 -0400
Subject: [PATCH] Fix endstop reporting inverting logic

---
 Marlin/endstops.cpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Marlin/endstops.cpp b/Marlin/endstops.cpp
index eb45e47ad..3480e9828 100644
--- a/Marlin/endstops.cpp
+++ b/Marlin/endstops.cpp
@@ -317,7 +317,7 @@ static void print_es_state(const bool is_hit, const char * const label=NULL) {
 
 void _O2 Endstops::M119() {
   SERIAL_PROTOCOLLNPGM(MSG_M119_REPORT);
-  #define ES_REPORT(S) print_es_state(READ(S##_PIN) == S##_ENDSTOP_INVERTING, PSTR(MSG_##S))
+  #define ES_REPORT(S) print_es_state(READ(S##_PIN) != S##_ENDSTOP_INVERTING, PSTR(MSG_##S))
   #if HAS_X_MIN
     ES_REPORT(X_MIN);
   #endif
@@ -355,12 +355,12 @@ void _O2 Endstops::M119() {
     ES_REPORT(Z2_MAX);
   #endif
   #if ENABLED(Z_MIN_PROBE_ENDSTOP)
-    print_es_state(READ(Z_MIN_PROBE_PIN) == Z_MIN_PROBE_ENDSTOP_INVERTING, PSTR(MSG_Z_PROBE));
+    print_es_state(READ(Z_MIN_PROBE_PIN) != Z_MIN_PROBE_ENDSTOP_INVERTING, PSTR(MSG_Z_PROBE));
   #endif
   #if ENABLED(FILAMENT_RUNOUT_SENSOR)
     #define FRS_COUNT (1 + PIN_EXISTS(FIL_RUNOUT2) + PIN_EXISTS(FIL_RUNOUT3) + PIN_EXISTS(FIL_RUNOUT4) + PIN_EXISTS(FIL_RUNOUT5))
     #if FRS_COUNT == 1
-      print_es_state(READ(FIL_RUNOUT_PIN) == FIL_RUNOUT_INVERTING, MSG_FILAMENT_RUNOUT_SENSOR);
+      print_es_state(READ(FIL_RUNOUT_PIN) != FIL_RUNOUT_INVERTING, MSG_FILAMENT_RUNOUT_SENSOR);
     #else
       for (uint8_t i = 1; i <=
         #if   FRS_COUNT == 5
@@ -393,7 +393,7 @@ void _O2 Endstops::M119() {
         }
         SERIAL_PROTOCOLPGM(MSG_FILAMENT_RUNOUT_SENSOR);
         if (i > 1) { SERIAL_CHAR(' '); SERIAL_CHAR('0' + i); }
-        print_es_state(digitalRead(pin) == FIL_RUNOUT_INVERTING);
+        print_es_state(digitalRead(pin) != FIL_RUNOUT_INVERTING);
       }
     #endif
   #endif