Added new limits_enable to avoid full re-init of limits after homing

thus suppressing unnessary messages.

Grbl_Esp32/src/Limits.cpp

@@ -351,6 +351,20 @@ void limits_disable() {
     }
 }
 
+// Re-enables hard limits.
+void limits_enable() {
+    auto n_axis = config->_axes->_numberAxis;
+    for (int axis = 0; axis < n_axis; axis++) {
+        for (int gang_index = 0; gang_index < 2; gang_index++) {
+            auto gangConfig = config->_axes->_axis[axis]->_gangs[gang_index];
+            if (gangConfig->_endstops != nullptr && gangConfig->_endstops->_dual.defined()) {
+                Pin& pin = gangConfig->_endstops->_dual;
+                pin.attachInterrupt(isr_limit_switches, CHANGE, nullptr);
+            }
+        }
+    }
+}
+
 // Returns limit state as a bit-wise uint8 variable. Each bit indicates an axis limit, where
 // triggered is 1 and not triggered is 0. Invert mask is applied. Axes are defined by their
 // number in bit position, i.e. Z_AXIS is bit(2), and Y_AXIS is bit(1).

Grbl_Esp32/src/Limits.h

@@ -37,6 +37,9 @@ void limits_init();
 // Disables hard limits.
 void limits_disable();
 
+// Re-enables hard limits.
+void limits_enable();
+
 // Returns limit state
 AxisMask limits_get_state();
 

Grbl_Esp32/src/MotionControl.cpp

@@ -413,7 +413,7 @@ void mc_homing_cycle(AxisMask axis_mask) {
     // This give kinematics a chance to do something after normal homing
     kinematics_post_homing();
     // If hard limits feature enabled, re-enable hard limits pin change register after homing cycle.
-    limits_init();
+    limits_enable();
 }
 
 // Perform tool length probe cycle. Requires probe switch.