From 8ff3d5322cc4dac3a8b232880f9ea9af6fa754f2 Mon Sep 17 00:00:00 2001
From: "B. Perry" <kayvon@yahoo.com>
Date: Tue, 30 Apr 2019 08:36:30 -0600
Subject: [PATCH] Revert simple code changes so only comments have been changed

---
 grbl/limits.c  | 18 ++++++++++--------
 grbl/stepper.c |  8 ++++----
 2 files changed, 14 insertions(+), 12 deletions(-)

diff --git a/grbl/limits.c b/grbl/limits.c
index 40fc750..a0e904b 100644
--- a/grbl/limits.c
+++ b/grbl/limits.c
@@ -236,14 +236,16 @@ void limits_go_home(uint8_t cycle_mask)
         // Check limit state. Lock out cycle axes when they change.
         limit_state = limits_get_state();
         for (idx=0; idx<N_AXIS; idx++) {
-          if ((axislock & step_pin[idx]) && (limit_state & (1 << idx))) {
-            // Clear the axislock bits to prevent axis from moving after limit is hit
-            #ifdef COREXY
-              if (idx==Z_AXIS) { axislock &= ~(step_pin[Z_AXIS]); }
-              else { axislock &= ~(step_pin[A_MOTOR]|step_pin[B_MOTOR]); }
-            #else
-              axislock &= ~(step_pin[idx]);
-            #endif
+          if (axislock & step_pin[idx]) {
+            if (limit_state & (1 << idx)) {
+                // Clear the axislock bits to prevent axis from moving after limit is hit
+                #ifdef COREXY
+                  if (idx==Z_AXIS) { axislock &= ~(step_pin[Z_AXIS]); }
+                  else { axislock &= ~(step_pin[A_MOTOR]|step_pin[B_MOTOR]); }
+                #else
+                  axislock &= ~(step_pin[idx]);
+                #endif
+            }
           }
         }
         sys.homing_axis_lock = axislock;
diff --git a/grbl/stepper.c b/grbl/stepper.c
index 21ecfca..8027c50 100644
--- a/grbl/stepper.c
+++ b/grbl/stepper.c
@@ -249,15 +249,15 @@ void st_go_idle()
   busy = false;
 
   // Set stepper driver idle state, disabled or enabled, depending on settings and circumstances.
-  bool disableStepper = false; // Keep enabled by default.
+  bool pin_state = false; // Stepper is disabled when pin_state is true. Keep enabled by default.
   if (((settings.stepper_idle_lock_time != 0xff) || sys_rt_exec_alarm || sys.state == STATE_SLEEP) && sys.state != STATE_HOMING) {
     // Force stepper dwell to lock axes for a defined amount of time to ensure the axes come to a complete
     // stop and not drift from residual inertial forces at the end of the last movement.
     delay_ms(settings.stepper_idle_lock_time);
-    disableStepper = true; // Override. Disable steppers.
+    pin_state = true; // Override. Disable steppers.
   }
-  if (bit_istrue(settings.flags,BITFLAG_INVERT_ST_ENABLE)) { disableStepper = !disableStepper; } // Apply pin invert.
-  if (disableStepper) { STEPPERS_DISABLE_PORT |= STEPPERS_DISABLE_MASK; }
+  if (bit_istrue(settings.flags,BITFLAG_INVERT_ST_ENABLE)) { pin_state = !pin_state; } // Apply pin invert.
+  if (pin_state) { STEPPERS_DISABLE_PORT |= STEPPERS_DISABLE_MASK; }
   else { STEPPERS_DISABLE_PORT &= ~STEPPERS_DISABLE_MASK; }
 }