🔧 Refactor endstop state config (MarlinFirmware#25574)

Author: thinkyhead

Marlin/Configuration.h

@@ -1101,26 +1101,29 @@
   //#define ENDSTOPPULLDOWN_ZMIN_PROBE
 #endif
 
-// Mechanical endstop with COM to ground and NC to Signal uses "false" here (most common setup).
-#define X_MIN_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
-#define Y_MIN_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
-#define Z_MIN_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
-#define I_MIN_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
-#define J_MIN_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
-#define K_MIN_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
-#define U_MIN_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
-#define V_MIN_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
-#define W_MIN_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
-#define X_MAX_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
-#define Y_MAX_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
-#define Z_MAX_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
-#define I_MAX_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
-#define J_MAX_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
-#define K_MAX_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
-#define U_MAX_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
-#define V_MAX_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
-#define W_MAX_ENDSTOP_INVERTING false // Set to true to invert the logic of the endstop.
-#define Z_MIN_PROBE_ENDSTOP_INVERTING false // Set to true to invert the logic of the probe.
+/**
+ * Endstop "Hit" State
+ * Set to the state (HIGH or LOW) that applies to each endstop.
+ */
+#define X_MIN_ENDSTOP_HIT_STATE HIGH
+#define X_MAX_ENDSTOP_HIT_STATE HIGH
+#define Y_MIN_ENDSTOP_HIT_STATE HIGH
+#define Y_MAX_ENDSTOP_HIT_STATE HIGH
+#define Z_MIN_ENDSTOP_HIT_STATE HIGH
+#define Z_MAX_ENDSTOP_HIT_STATE HIGH
+#define I_MIN_ENDSTOP_HIT_STATE HIGH
+#define I_MAX_ENDSTOP_HIT_STATE HIGH
+#define J_MIN_ENDSTOP_HIT_STATE HIGH
+#define J_MAX_ENDSTOP_HIT_STATE HIGH
+#define K_MIN_ENDSTOP_HIT_STATE HIGH
+#define K_MAX_ENDSTOP_HIT_STATE HIGH
+#define U_MIN_ENDSTOP_HIT_STATE HIGH
+#define U_MAX_ENDSTOP_HIT_STATE HIGH
+#define V_MIN_ENDSTOP_HIT_STATE HIGH
+#define V_MAX_ENDSTOP_HIT_STATE HIGH
+#define W_MIN_ENDSTOP_HIT_STATE HIGH
+#define W_MAX_ENDSTOP_HIT_STATE HIGH
+#define Z_MIN_PROBE_ENDSTOP_HIT_STATE HIGH
 
 // Enable this feature if all enabled endstop pins are interrupt-capable.
 // This will remove the need to poll the interrupt pins, saving many CPU cycles.

Marlin/src/gcode/config/M43.cpp

@@ -139,24 +139,17 @@ inline void servo_probe_test() {
     bool deploy_state = false, stow_state;
 
     #if ENABLED(Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN)
-
+      constexpr bool probe_hit_state = Z_MIN_ENDSTOP_HIT_STATE;
       #define PROBE_TEST_PIN Z_MIN_PIN
-      constexpr bool probe_inverting = Z_MIN_ENDSTOP_INVERTING;
-
-      SERIAL_ECHOLNPGM(". Probe Z_MIN_PIN: ", PROBE_TEST_PIN);
-      SERIAL_ECHOPGM(". Z_MIN_ENDSTOP_INVERTING: ");
-
+      #define _PROBE_PREF "Z_MIN"
     #else
-
+      constexpr bool probe_hit_state = Z_MIN_PROBE_ENDSTOP_HIT_STATE;
       #define PROBE_TEST_PIN Z_MIN_PROBE_PIN
-      constexpr bool probe_inverting = Z_MIN_PROBE_ENDSTOP_INVERTING;
-
-      SERIAL_ECHOLNPGM(". Probe Z_MIN_PROBE_PIN: ", PROBE_TEST_PIN);
-      SERIAL_ECHOPGM(   ". Z_MIN_PROBE_ENDSTOP_INVERTING: ");
-
+      #define _PROBE_PREF "Z_MIN_PROBE"
     #endif
 
-    serialprint_truefalse(probe_inverting);
+    SERIAL_ECHOLNPGM(". Probe " _PROBE_PREF "_PIN: ", PROBE_TEST_PIN);
+    serial_ternary(probe_hit_state, F(". " _PROBE_PREF "_ENDSTOP_HIT_STATE: "), F("HIGH"), F("LOW"));
     SERIAL_EOL();
 
     SET_INPUT_PULLUP(PROBE_TEST_PIN);
@@ -173,11 +166,11 @@ inline void servo_probe_test() {
       SERIAL_ECHOLNPGM(". Check for BLTOUCH");
       bltouch._reset();
       bltouch._stow();
-      if (probe_inverting == READ(PROBE_TEST_PIN)) {
+      if (READ(PROBE_TEST_PIN) != probe_hit_state) {
         bltouch._set_SW_mode();
-        if (probe_inverting != READ(PROBE_TEST_PIN)) {
+        if (READ(PROBE_TEST_PIN) == probe_hit_state) {
           bltouch._deploy();
-          if (probe_inverting == READ(PROBE_TEST_PIN)) {
+          if (READ(PROBE_TEST_PIN) != probe_hit_state) {
             bltouch._stow();
             SERIAL_ECHOLNPGM("= BLTouch Classic 1.2, 1.3, Smart 1.0, 2.0, 2.2, 3.0, 3.1 detected.");
             // Check for a 3.1 by letting the user trigger it, later
@@ -195,31 +188,30 @@ inline void servo_probe_test() {
     if (!blt) {
       // DEPLOY and STOW 4 times and see if the signal follows
       // Then it is a mechanical switch
-      uint8_t i = 0;
       SERIAL_ECHOLNPGM(". Deploy & stow 4 times");
-      do {
+      LOOP_L_N(i, 4) {
         servo[probe_index].move(servo_angles[Z_PROBE_SERVO_NR][0]); // Deploy
         safe_delay(500);
         deploy_state = READ(PROBE_TEST_PIN);
         servo[probe_index].move(servo_angles[Z_PROBE_SERVO_NR][1]); // Stow
         safe_delay(500);
         stow_state = READ(PROBE_TEST_PIN);
-      } while (++i < 4);
+      }
 
-      if (probe_inverting != deploy_state) SERIAL_ECHOLNPGM("WARNING: INVERTING setting probably backwards.");
+      if (probe_hit_state == deploy_state) SERIAL_ECHOLNPGM("WARNING: " _PROBE_PREF "_ENDSTOP_HIT_STATE is probably wrong.");
 
       if (deploy_state != stow_state) {
         SERIAL_ECHOLNPGM("= Mechanical Switch detected");
         if (deploy_state) {
-          SERIAL_ECHOLNPGM("  DEPLOYED state: HIGH (logic 1)",
-                            "  STOWED (triggered) state: LOW (logic 0)");
+          SERIAL_ECHOLNPGM(". DEPLOYED state: HIGH (logic 1)\n"
+                           ". STOWED (triggered) state: LOW (logic 0)");
         }
         else {
-          SERIAL_ECHOLNPGM("  DEPLOYED state: LOW (logic 0)",
-                            "  STOWED (triggered) state: HIGH (logic 1)");
+          SERIAL_ECHOLNPGM(". DEPLOYED state: LOW (logic 0)\n"
+                           ". STOWED (triggered) state: HIGH (logic 1)");
         }
         #if ENABLED(BLTOUCH)
-          SERIAL_ECHOLNPGM("FAIL: BLTOUCH enabled - Set up this device as a Servo Probe with INVERTING set to 'true'.");
+          SERIAL_ECHOLNPGM("FAIL: Can't enable BLTOUCH. Check your settings.");
         #endif
         return;
       }

Marlin/src/inc/Conditionals_LCD.h

@@ -779,8 +779,8 @@
 #if !HAS_Y_AXIS
   #undef ENDSTOPPULLUP_YMIN
   #undef ENDSTOPPULLUP_YMAX
-  #undef Y_MIN_ENDSTOP_INVERTING
-  #undef Y_MAX_ENDSTOP_INVERTING
+  #undef Y_MIN_ENDSTOP_HIT_STATE
+  #undef Y_MAX_ENDSTOP_HIT_STATE
   #undef Y2_DRIVER_TYPE
   #undef Y_ENABLE_ON
   #undef DISABLE_Y
@@ -796,8 +796,8 @@
 #if !HAS_Z_AXIS
   #undef ENDSTOPPULLUP_ZMIN
   #undef ENDSTOPPULLUP_ZMAX
-  #undef Z_MIN_ENDSTOP_INVERTING
-  #undef Z_MAX_ENDSTOP_INVERTING
+  #undef Z_MIN_ENDSTOP_HIT_STATE
+  #undef Z_MAX_ENDSTOP_HIT_STATE
   #undef Z2_DRIVER_TYPE
   #undef Z3_DRIVER_TYPE
   #undef Z4_DRIVER_TYPE
@@ -815,8 +815,8 @@
 #if !HAS_I_AXIS
   #undef ENDSTOPPULLUP_IMIN
   #undef ENDSTOPPULLUP_IMAX
-  #undef I_MIN_ENDSTOP_INVERTING
-  #undef I_MAX_ENDSTOP_INVERTING
+  #undef I_MIN_ENDSTOP_HIT_STATE
+  #undef I_MAX_ENDSTOP_HIT_STATE
   #undef I_ENABLE_ON
   #undef DISABLE_I
   #undef INVERT_I_DIR
@@ -831,8 +831,8 @@
 #if !HAS_J_AXIS
   #undef ENDSTOPPULLUP_JMIN
   #undef ENDSTOPPULLUP_JMAX
-  #undef J_MIN_ENDSTOP_INVERTING
-  #undef J_MAX_ENDSTOP_INVERTING
+  #undef J_MIN_ENDSTOP_HIT_STATE
+  #undef J_MAX_ENDSTOP_HIT_STATE
   #undef J_ENABLE_ON
   #undef DISABLE_J
   #undef INVERT_J_DIR
@@ -847,8 +847,8 @@
 #if !HAS_K_AXIS
   #undef ENDSTOPPULLUP_KMIN
   #undef ENDSTOPPULLUP_KMAX
-  #undef K_MIN_ENDSTOP_INVERTING
-  #undef K_MAX_ENDSTOP_INVERTING
+  #undef K_MIN_ENDSTOP_HIT_STATE
+  #undef K_MAX_ENDSTOP_HIT_STATE
   #undef K_ENABLE_ON
   #undef DISABLE_K
   #undef INVERT_K_DIR
@@ -863,8 +863,8 @@
 #if !HAS_U_AXIS
   #undef ENDSTOPPULLUP_UMIN
   #undef ENDSTOPPULLUP_UMAX
-  #undef U_MIN_ENDSTOP_INVERTING
-  #undef U_MAX_ENDSTOP_INVERTING
+  #undef U_MIN_ENDSTOP_HIT_STATE
+  #undef U_MAX_ENDSTOP_HIT_STATE
   #undef U_ENABLE_ON
   #undef DISABLE_U
   #undef INVERT_U_DIR
@@ -879,8 +879,8 @@
 #if !HAS_V_AXIS
   #undef ENDSTOPPULLUP_VMIN
   #undef ENDSTOPPULLUP_VMAX
-  #undef V_MIN_ENDSTOP_INVERTING
-  #undef V_MAX_ENDSTOP_INVERTING
+  #undef V_MIN_ENDSTOP_HIT_STATE
+  #undef V_MAX_ENDSTOP_HIT_STATE
   #undef V_ENABLE_ON
   #undef DISABLE_V
   #undef INVERT_V_DIR
@@ -895,8 +895,8 @@
 #if !HAS_W_AXIS
   #undef ENDSTOPPULLUP_WMIN
   #undef ENDSTOPPULLUP_WMAX
-  #undef W_MIN_ENDSTOP_INVERTING
-  #undef W_MAX_ENDSTOP_INVERTING
+  #undef W_MIN_ENDSTOP_HIT_STATE
+  #undef W_MAX_ENDSTOP_HIT_STATE
   #undef W_ENABLE_ON
   #undef DISABLE_W
   #undef INVERT_W_DIR
@@ -1055,10 +1055,8 @@
  * The BLTouch Probe emulates a servo probe
  * and uses "special" angles for its state.
  */
-#if ENABLED(BLTOUCH)
-  #ifndef Z_PROBE_SERVO_NR
-    #define Z_PROBE_SERVO_NR 0
-  #endif
+#if ENABLED(BLTOUCH) && !defined(Z_PROBE_SERVO_NR)
+  #define Z_PROBE_SERVO_NR 0
 #endif
 
 /**