From 68773f4486cf2f740fbb5b1658a1f705e0f5996f Mon Sep 17 00:00:00 2001
From: Scott Lahteine <sourcetree@thinkyhead.com>
Date: Tue, 11 Apr 2017 11:10:26 -0500
Subject: [PATCH] Simplify stepper macros by renaming enable/disable macros

---
 Marlin/Marlin.h        | 104 ++++++++++++++++++++---------------------
 Marlin/Marlin_main.cpp |  56 +++++++++++-----------
 Marlin/planner.cpp     |  92 ++++++++++++++++++------------------
 Marlin/stepper.cpp     |  25 +++++-----
 4 files changed, 139 insertions(+), 138 deletions(-)

diff --git a/Marlin/Marlin.h b/Marlin/Marlin.h
index 122a3547a4..a8c85848f8 100644
--- a/Marlin/Marlin.h
+++ b/Marlin/Marlin.h
@@ -60,36 +60,36 @@ void manage_inactivity(bool ignore_stepper_queue = false);
 #endif
 
 #if HAS_X2_ENABLE
-  #define  enable_x() do{ X_ENABLE_WRITE( X_ENABLE_ON); X2_ENABLE_WRITE( X_ENABLE_ON); }while(0)
-  #define disable_x() do{ X_ENABLE_WRITE(!X_ENABLE_ON); X2_ENABLE_WRITE(!X_ENABLE_ON); axis_known_position[X_AXIS] = false; }while(0)
+  #define  enable_X() do{ X_ENABLE_WRITE( X_ENABLE_ON); X2_ENABLE_WRITE( X_ENABLE_ON); }while(0)
+  #define disable_X() do{ X_ENABLE_WRITE(!X_ENABLE_ON); X2_ENABLE_WRITE(!X_ENABLE_ON); axis_known_position[X_AXIS] = false; }while(0)
 #elif HAS_X_ENABLE
-  #define  enable_x() X_ENABLE_WRITE( X_ENABLE_ON)
-  #define disable_x() do{ X_ENABLE_WRITE(!X_ENABLE_ON); axis_known_position[X_AXIS] = false; }while(0)
+  #define  enable_X() X_ENABLE_WRITE( X_ENABLE_ON)
+  #define disable_X() do{ X_ENABLE_WRITE(!X_ENABLE_ON); axis_known_position[X_AXIS] = false; }while(0)
 #else
-  #define  enable_x() NOOP
-  #define disable_x() NOOP
+  #define  enable_X() NOOP
+  #define disable_X() NOOP
 #endif
 
 #if HAS_Y2_ENABLE
-  #define  enable_y() do{ Y_ENABLE_WRITE( Y_ENABLE_ON); Y2_ENABLE_WRITE(Y_ENABLE_ON); }while(0)
-  #define disable_y() do{ Y_ENABLE_WRITE(!Y_ENABLE_ON); Y2_ENABLE_WRITE(!Y_ENABLE_ON); axis_known_position[Y_AXIS] = false; }while(0)
+  #define  enable_Y() do{ Y_ENABLE_WRITE( Y_ENABLE_ON); Y2_ENABLE_WRITE(Y_ENABLE_ON); }while(0)
+  #define disable_Y() do{ Y_ENABLE_WRITE(!Y_ENABLE_ON); Y2_ENABLE_WRITE(!Y_ENABLE_ON); axis_known_position[Y_AXIS] = false; }while(0)
 #elif HAS_Y_ENABLE
-  #define  enable_y() Y_ENABLE_WRITE( Y_ENABLE_ON)
-  #define disable_y() do{ Y_ENABLE_WRITE(!Y_ENABLE_ON); axis_known_position[Y_AXIS] = false; }while(0)
+  #define  enable_Y() Y_ENABLE_WRITE( Y_ENABLE_ON)
+  #define disable_Y() do{ Y_ENABLE_WRITE(!Y_ENABLE_ON); axis_known_position[Y_AXIS] = false; }while(0)
 #else
-  #define  enable_y() NOOP
-  #define disable_y() NOOP
+  #define  enable_Y() NOOP
+  #define disable_Y() NOOP
 #endif
 
 #if HAS_Z2_ENABLE
-  #define  enable_z() do{ Z_ENABLE_WRITE( Z_ENABLE_ON); Z2_ENABLE_WRITE(Z_ENABLE_ON); }while(0)
-  #define disable_z() do{ Z_ENABLE_WRITE(!Z_ENABLE_ON); Z2_ENABLE_WRITE(!Z_ENABLE_ON); axis_known_position[Z_AXIS] = false; }while(0)
+  #define  enable_Z() do{ Z_ENABLE_WRITE( Z_ENABLE_ON); Z2_ENABLE_WRITE(Z_ENABLE_ON); }while(0)
+  #define disable_Z() do{ Z_ENABLE_WRITE(!Z_ENABLE_ON); Z2_ENABLE_WRITE(!Z_ENABLE_ON); axis_known_position[Z_AXIS] = false; }while(0)
 #elif HAS_Z_ENABLE
-  #define  enable_z() Z_ENABLE_WRITE( Z_ENABLE_ON)
-  #define disable_z() do{ Z_ENABLE_WRITE(!Z_ENABLE_ON); axis_known_position[Z_AXIS] = false; }while(0)
+  #define  enable_Z() Z_ENABLE_WRITE( Z_ENABLE_ON)
+  #define disable_Z() do{ Z_ENABLE_WRITE(!Z_ENABLE_ON); axis_known_position[Z_AXIS] = false; }while(0)
 #else
-  #define  enable_z() NOOP
-  #define disable_z() NOOP
+  #define  enable_Z() NOOP
+  #define disable_Z() NOOP
 #endif
 
 #if ENABLED(MIXING_EXTRUDER)
@@ -98,64 +98,64 @@ void manage_inactivity(bool ignore_stepper_queue = false);
    * Mixing steppers synchronize their enable (and direction) together
    */
   #if MIXING_STEPPERS > 3
-    #define  enable_e0() { E0_ENABLE_WRITE( E_ENABLE_ON); E1_ENABLE_WRITE( E_ENABLE_ON); E2_ENABLE_WRITE( E_ENABLE_ON); E3_ENABLE_WRITE( E_ENABLE_ON); }
-    #define disable_e0() { E0_ENABLE_WRITE(!E_ENABLE_ON); E1_ENABLE_WRITE(!E_ENABLE_ON); E2_ENABLE_WRITE(!E_ENABLE_ON); E3_ENABLE_WRITE(!E_ENABLE_ON); }
+    #define  enable_E0() { E0_ENABLE_WRITE( E_ENABLE_ON); E1_ENABLE_WRITE( E_ENABLE_ON); E2_ENABLE_WRITE( E_ENABLE_ON); E3_ENABLE_WRITE( E_ENABLE_ON); }
+    #define disable_E0() { E0_ENABLE_WRITE(!E_ENABLE_ON); E1_ENABLE_WRITE(!E_ENABLE_ON); E2_ENABLE_WRITE(!E_ENABLE_ON); E3_ENABLE_WRITE(!E_ENABLE_ON); }
   #elif MIXING_STEPPERS > 2
-    #define  enable_e0() { E0_ENABLE_WRITE( E_ENABLE_ON); E1_ENABLE_WRITE( E_ENABLE_ON); E2_ENABLE_WRITE( E_ENABLE_ON); }
-    #define disable_e0() { E0_ENABLE_WRITE(!E_ENABLE_ON); E1_ENABLE_WRITE(!E_ENABLE_ON); E2_ENABLE_WRITE(!E_ENABLE_ON); }
+    #define  enable_E0() { E0_ENABLE_WRITE( E_ENABLE_ON); E1_ENABLE_WRITE( E_ENABLE_ON); E2_ENABLE_WRITE( E_ENABLE_ON); }
+    #define disable_E0() { E0_ENABLE_WRITE(!E_ENABLE_ON); E1_ENABLE_WRITE(!E_ENABLE_ON); E2_ENABLE_WRITE(!E_ENABLE_ON); }
   #else
-    #define  enable_e0() { E0_ENABLE_WRITE( E_ENABLE_ON); E1_ENABLE_WRITE( E_ENABLE_ON); }
-    #define disable_e0() { E0_ENABLE_WRITE(!E_ENABLE_ON); E1_ENABLE_WRITE(!E_ENABLE_ON); }
+    #define  enable_E0() { E0_ENABLE_WRITE( E_ENABLE_ON); E1_ENABLE_WRITE( E_ENABLE_ON); }
+    #define disable_E0() { E0_ENABLE_WRITE(!E_ENABLE_ON); E1_ENABLE_WRITE(!E_ENABLE_ON); }
   #endif
-  #define  enable_e1() NOOP
-  #define disable_e1() NOOP
-  #define  enable_e2() NOOP
-  #define disable_e2() NOOP
-  #define  enable_e3() NOOP
-  #define disable_e3() NOOP
-  #define  enable_e4() NOOP
-  #define disable_e4() NOOP
+  #define  enable_E1() NOOP
+  #define disable_E1() NOOP
+  #define  enable_E2() NOOP
+  #define disable_E2() NOOP
+  #define  enable_E3() NOOP
+  #define disable_E3() NOOP
+  #define  enable_E4() NOOP
+  #define disable_E4() NOOP
 
 #else // !MIXING_EXTRUDER
 
   #if HAS_E0_ENABLE
-    #define  enable_e0() E0_ENABLE_WRITE( E_ENABLE_ON)
-    #define disable_e0() E0_ENABLE_WRITE(!E_ENABLE_ON)
+    #define  enable_E0() E0_ENABLE_WRITE( E_ENABLE_ON)
+    #define disable_E0() E0_ENABLE_WRITE(!E_ENABLE_ON)
   #else
-    #define  enable_e0() NOOP
-    #define disable_e0() NOOP
+    #define  enable_E0() NOOP
+    #define disable_E0() NOOP
   #endif
 
   #if E_STEPPERS > 1 && HAS_E1_ENABLE
-    #define  enable_e1() E1_ENABLE_WRITE( E_ENABLE_ON)
-    #define disable_e1() E1_ENABLE_WRITE(!E_ENABLE_ON)
+    #define  enable_E1() E1_ENABLE_WRITE( E_ENABLE_ON)
+    #define disable_E1() E1_ENABLE_WRITE(!E_ENABLE_ON)
   #else
-    #define  enable_e1() NOOP
-    #define disable_e1() NOOP
+    #define  enable_E1() NOOP
+    #define disable_E1() NOOP
   #endif
 
   #if E_STEPPERS > 2 && HAS_E2_ENABLE
-    #define  enable_e2() E2_ENABLE_WRITE( E_ENABLE_ON)
-    #define disable_e2() E2_ENABLE_WRITE(!E_ENABLE_ON)
+    #define  enable_E2() E2_ENABLE_WRITE( E_ENABLE_ON)
+    #define disable_E2() E2_ENABLE_WRITE(!E_ENABLE_ON)
   #else
-    #define  enable_e2() NOOP
-    #define disable_e2() NOOP
+    #define  enable_E2() NOOP
+    #define disable_E2() NOOP
   #endif
 
   #if E_STEPPERS > 3 && HAS_E3_ENABLE
-    #define  enable_e3() E3_ENABLE_WRITE( E_ENABLE_ON)
-    #define disable_e3() E3_ENABLE_WRITE(!E_ENABLE_ON)
+    #define  enable_E3() E3_ENABLE_WRITE( E_ENABLE_ON)
+    #define disable_E3() E3_ENABLE_WRITE(!E_ENABLE_ON)
   #else
-    #define  enable_e3() NOOP
-    #define disable_e3() NOOP
+    #define  enable_E3() NOOP
+    #define disable_E3() NOOP
   #endif
 
   #if E_STEPPERS > 4 && HAS_E4_ENABLE
-    #define  enable_e4() E4_ENABLE_WRITE( E_ENABLE_ON)
-    #define disable_e4() E4_ENABLE_WRITE(!E_ENABLE_ON)
+    #define  enable_E4() E4_ENABLE_WRITE( E_ENABLE_ON)
+    #define disable_E4() E4_ENABLE_WRITE(!E_ENABLE_ON)
   #else
-    #define  enable_e4() NOOP
-    #define disable_e4() NOOP
+    #define  enable_E4() NOOP
+    #define disable_E4() NOOP
   #endif
 
 #endif // !MIXING_EXTRUDER
diff --git a/Marlin/Marlin_main.cpp b/Marlin/Marlin_main.cpp
index 513fde8484..7f7d93178d 100644
--- a/Marlin/Marlin_main.cpp
+++ b/Marlin/Marlin_main.cpp
@@ -6489,9 +6489,9 @@ inline void gcode_M18_M84() {
     }
     else {
       stepper.synchronize();
-      if (code_seen('X')) disable_x();
-      if (code_seen('Y')) disable_y();
-      if (code_seen('Z')) disable_z();
+      if (code_seen('X')) disable_X();
+      if (code_seen('Y')) disable_Y();
+      if (code_seen('Z')) disable_Z();
       #if ((E0_ENABLE_PIN != X_ENABLE_PIN) && (E1_ENABLE_PIN != Y_ENABLE_PIN)) // Only enable on boards that have seperate ENABLE_PINS
         if (code_seen('E')) disable_e_steppers();
       #endif
@@ -10888,28 +10888,28 @@ void calculate_volumetric_multipliers() {
 }
 
 void enable_all_steppers() {
-  enable_x();
-  enable_y();
-  enable_z();
-  enable_e0();
-  enable_e1();
-  enable_e2();
-  enable_e3();
-  enable_e4();
+  enable_X();
+  enable_Y();
+  enable_Z();
+  enable_E0();
+  enable_E1();
+  enable_E2();
+  enable_E3();
+  enable_E4();
 }
 
 void disable_e_steppers() {
-  disable_e0();
-  disable_e1();
-  disable_e2();
-  disable_e3();
-  disable_e4();
+  disable_E0();
+  disable_E1();
+  disable_E2();
+  disable_E3();
+  disable_E4();
 }
 
 void disable_all_steppers() {
-  disable_x();
-  disable_y();
-  disable_z();
+  disable_X();
+  disable_Y();
+  disable_Z();
   disable_e_steppers();
 }
 
@@ -11011,13 +11011,13 @@ void manage_inactivity(bool ignore_stepper_queue/*=false*/) {
   if (M600_TEST && stepper_inactive_time && ELAPSED(ms, previous_cmd_ms + stepper_inactive_time)
       && !ignore_stepper_queue && !planner.blocks_queued()) {
     #if ENABLED(DISABLE_INACTIVE_X)
-      disable_x();
+      disable_X();
     #endif
     #if ENABLED(DISABLE_INACTIVE_Y)
-      disable_y();
+      disable_Y();
     #endif
     #if ENABLED(DISABLE_INACTIVE_Z)
-      disable_z();
+      disable_Z();
     #endif
     #if ENABLED(DISABLE_INACTIVE_E)
       disable_e_steppers();
@@ -11080,32 +11080,32 @@ void manage_inactivity(bool ignore_stepper_queue/*=false*/) {
       bool oldstatus;
       #if ENABLED(SWITCHING_EXTRUDER)
         oldstatus = E0_ENABLE_READ;
-        enable_e0();
+        enable_E0();
       #else // !SWITCHING_EXTRUDER
         switch (active_extruder) {
           case 0:
             oldstatus = E0_ENABLE_READ;
-            enable_e0();
+            enable_E0();
             break;
           #if E_STEPPERS > 1
             case 1:
               oldstatus = E1_ENABLE_READ;
-              enable_e1();
+              enable_E1();
               break;
             #if E_STEPPERS > 2
               case 2:
                 oldstatus = E2_ENABLE_READ;
-                enable_e2();
+                enable_E2();
                 break;
               #if E_STEPPERS > 3
                 case 3:
                   oldstatus = E3_ENABLE_READ;
-                  enable_e3();
+                  enable_E3();
                   break;
                 #if E_STEPPERS > 4
                   case 4:
                     oldstatus = E4_ENABLE_READ;
-                    enable_e4();
+                    enable_E4();
                     break;
                 #endif // E_STEPPERS > 4
               #endif // E_STEPPERS > 3
diff --git a/Marlin/planner.cpp b/Marlin/planner.cpp
index bb7578db31..8740eee3fd 100644
--- a/Marlin/planner.cpp
+++ b/Marlin/planner.cpp
@@ -441,13 +441,13 @@ void Planner::check_axes_activity() {
     }
   }
   #if ENABLED(DISABLE_X)
-    if (!axis_active[X_AXIS]) disable_x();
+    if (!axis_active[X_AXIS]) disable_X();
   #endif
   #if ENABLED(DISABLE_Y)
-    if (!axis_active[Y_AXIS]) disable_y();
+    if (!axis_active[Y_AXIS]) disable_Y();
   #endif
   #if ENABLED(DISABLE_Z)
-    if (!axis_active[Z_AXIS]) disable_z();
+    if (!axis_active[Z_AXIS]) disable_Z();
   #endif
   #if ENABLED(DISABLE_E)
     if (!axis_active[E_AXIS]) disable_e_steppers();
@@ -832,29 +832,29 @@ void Planner::_buffer_line(const float &a, const float &b, const float &c, const
   //enable active axes
   #if CORE_IS_XY
     if (block->steps[A_AXIS] || block->steps[B_AXIS]) {
-      enable_x();
-      enable_y();
+      enable_X();
+      enable_Y();
     }
     #if DISABLED(Z_LATE_ENABLE)
-      if (block->steps[Z_AXIS]) enable_z();
+      if (block->steps[Z_AXIS]) enable_Z();
     #endif
   #elif CORE_IS_XZ
     if (block->steps[A_AXIS] || block->steps[C_AXIS]) {
-      enable_x();
-      enable_z();
+      enable_X();
+      enable_Z();
     }
-    if (block->steps[Y_AXIS]) enable_y();
+    if (block->steps[Y_AXIS]) enable_Y();
   #elif CORE_IS_YZ
     if (block->steps[B_AXIS] || block->steps[C_AXIS]) {
-      enable_y();
-      enable_z();
+      enable_Y();
+      enable_Z();
     }
-    if (block->steps[X_AXIS]) enable_x();
+    if (block->steps[X_AXIS]) enable_X();
   #else
-    if (block->steps[X_AXIS]) enable_x();
-    if (block->steps[Y_AXIS]) enable_y();
+    if (block->steps[X_AXIS]) enable_X();
+    if (block->steps[Y_AXIS]) enable_Y();
     #if DISABLED(Z_LATE_ENABLE)
-      if (block->steps[Z_AXIS]) enable_z();
+      if (block->steps[Z_AXIS]) enable_Z();
     #endif
   #endif
 
@@ -868,22 +868,22 @@ void Planner::_buffer_line(const float &a, const float &b, const float &c, const
 
       switch(extruder) {
         case 0:
-          enable_e0();
+          enable_E0();
           #if ENABLED(DUAL_X_CARRIAGE)
             if (extruder_duplication_enabled) {
-              enable_e1();
+              enable_E1();
               g_uc_extruder_last_move[1] = (BLOCK_BUFFER_SIZE) * 2;
             }
           #endif
           g_uc_extruder_last_move[0] = (BLOCK_BUFFER_SIZE) * 2;
           #if EXTRUDERS > 1
-            if (g_uc_extruder_last_move[1] == 0) disable_e1();
+            if (g_uc_extruder_last_move[1] == 0) disable_E1();
             #if EXTRUDERS > 2
-              if (g_uc_extruder_last_move[2] == 0) disable_e2();
+              if (g_uc_extruder_last_move[2] == 0) disable_E2();
               #if EXTRUDERS > 3
-                if (g_uc_extruder_last_move[3] == 0) disable_e3();
+                if (g_uc_extruder_last_move[3] == 0) disable_E3();
                 #if EXTRUDERS > 4
-                  if (g_uc_extruder_last_move[4] == 0) disable_e4();
+                  if (g_uc_extruder_last_move[4] == 0) disable_E4();
                 #endif // EXTRUDERS > 4
               #endif // EXTRUDERS > 3
             #endif // EXTRUDERS > 2
@@ -891,51 +891,51 @@ void Planner::_buffer_line(const float &a, const float &b, const float &c, const
         break;
         #if EXTRUDERS > 1
           case 1:
-            enable_e1();
+            enable_E1();
             g_uc_extruder_last_move[1] = (BLOCK_BUFFER_SIZE) * 2;
-            if (g_uc_extruder_last_move[0] == 0) disable_e0();
+            if (g_uc_extruder_last_move[0] == 0) disable_E0();
             #if EXTRUDERS > 2
-              if (g_uc_extruder_last_move[2] == 0) disable_e2();
+              if (g_uc_extruder_last_move[2] == 0) disable_E2();
               #if EXTRUDERS > 3
-                if (g_uc_extruder_last_move[3] == 0) disable_e3();
+                if (g_uc_extruder_last_move[3] == 0) disable_E3();
                 #if EXTRUDERS > 4
-                  if (g_uc_extruder_last_move[4] == 0) disable_e4();
+                  if (g_uc_extruder_last_move[4] == 0) disable_E4();
                 #endif // EXTRUDERS > 4
               #endif // EXTRUDERS > 3
             #endif // EXTRUDERS > 2
           break;
           #if EXTRUDERS > 2
             case 2:
-              enable_e2();
+              enable_E2();
               g_uc_extruder_last_move[2] = (BLOCK_BUFFER_SIZE) * 2;
-              if (g_uc_extruder_last_move[0] == 0) disable_e0();
-              if (g_uc_extruder_last_move[1] == 0) disable_e1();
+              if (g_uc_extruder_last_move[0] == 0) disable_E0();
+              if (g_uc_extruder_last_move[1] == 0) disable_E1();
               #if EXTRUDERS > 3
-                if (g_uc_extruder_last_move[3] == 0) disable_e3();
+                if (g_uc_extruder_last_move[3] == 0) disable_E3();
                 #if EXTRUDERS > 4
-                  if (g_uc_extruder_last_move[4] == 0) disable_e4();
+                  if (g_uc_extruder_last_move[4] == 0) disable_E4();
                 #endif
               #endif
             break;
             #if EXTRUDERS > 3
               case 3:
-                enable_e3();
+                enable_E3();
                 g_uc_extruder_last_move[3] = (BLOCK_BUFFER_SIZE) * 2;
-                if (g_uc_extruder_last_move[0] == 0) disable_e0();
-                if (g_uc_extruder_last_move[1] == 0) disable_e1();
-                if (g_uc_extruder_last_move[2] == 0) disable_e2();
+                if (g_uc_extruder_last_move[0] == 0) disable_E0();
+                if (g_uc_extruder_last_move[1] == 0) disable_E1();
+                if (g_uc_extruder_last_move[2] == 0) disable_E2();
                 #if EXTRUDERS > 4
-                  if (g_uc_extruder_last_move[4] == 0) disable_e4();
+                  if (g_uc_extruder_last_move[4] == 0) disable_E4();
                 #endif
               break;
               #if EXTRUDERS > 4
                 case 4:
-                  enable_e4();
+                  enable_E4();
                   g_uc_extruder_last_move[4] = (BLOCK_BUFFER_SIZE) * 2;
-                  if (g_uc_extruder_last_move[0] == 0) disable_e0();
-                  if (g_uc_extruder_last_move[1] == 0) disable_e1();
-                  if (g_uc_extruder_last_move[2] == 0) disable_e2();
-                  if (g_uc_extruder_last_move[3] == 0) disable_e3();
+                  if (g_uc_extruder_last_move[0] == 0) disable_E0();
+                  if (g_uc_extruder_last_move[1] == 0) disable_E1();
+                  if (g_uc_extruder_last_move[2] == 0) disable_E2();
+                  if (g_uc_extruder_last_move[3] == 0) disable_E3();
                 break;
               #endif // EXTRUDERS > 4
             #endif // EXTRUDERS > 3
@@ -943,11 +943,11 @@ void Planner::_buffer_line(const float &a, const float &b, const float &c, const
         #endif // EXTRUDERS > 1
       }
     #else
-      enable_e0();
-      enable_e1();
-      enable_e2();
-      enable_e3();
-      enable_e4();
+      enable_E0();
+      enable_E1();
+      enable_E2();
+      enable_E3();
+      enable_E4();
     #endif
   }
 
diff --git a/Marlin/stepper.cpp b/Marlin/stepper.cpp
index 4627017950..0ff0ec74d3 100644
--- a/Marlin/stepper.cpp
+++ b/Marlin/stepper.cpp
@@ -428,7 +428,7 @@ void Stepper::isr() {
 
       #if ENABLED(Z_LATE_ENABLE)
         if (current_block->steps[Z_AXIS] > 0) {
-          enable_z();
+          enable_Z();
           _NEXT_ISR(2000); // Run at slow speed - 1 KHz
           _ENABLE_ISRs(); // re-enable ISRs
           return;
@@ -986,14 +986,14 @@ void Stepper::init() {
 
   #define _STEP_INIT(AXIS) AXIS ##_STEP_INIT
   #define _WRITE_STEP(AXIS, HIGHLOW) AXIS ##_STEP_WRITE(HIGHLOW)
-  #define _DISABLE(axis) disable_## axis()
+  #define _DISABLE(AXIS) disable_## AXIS()
 
-  #define AXIS_INIT(axis, AXIS, PIN) \
+  #define AXIS_INIT(AXIS, PIN) \
     _STEP_INIT(AXIS); \
     _WRITE_STEP(AXIS, _INVERT_STEP_PIN(PIN)); \
-    _DISABLE(axis)
+    _DISABLE(AXIS)
 
-  #define E_AXIS_INIT(NUM) AXIS_INIT(e## NUM, E## NUM, E)
+  #define E_AXIS_INIT(NUM) AXIS_INIT(E## NUM, E)
 
   // Init Step Pins
   #if HAS_X_STEP
@@ -1001,7 +1001,7 @@ void Stepper::init() {
       X2_STEP_INIT;
       X2_STEP_WRITE(INVERT_X_STEP_PIN);
     #endif
-    AXIS_INIT(x, X, X);
+    AXIS_INIT(X, X);
   #endif
 
   #if HAS_Y_STEP
@@ -1009,7 +1009,7 @@ void Stepper::init() {
       Y2_STEP_INIT;
       Y2_STEP_WRITE(INVERT_Y_STEP_PIN);
     #endif
-    AXIS_INIT(y, Y, Y);
+    AXIS_INIT(Y, Y);
   #endif
 
   #if HAS_Z_STEP
@@ -1017,7 +1017,7 @@ void Stepper::init() {
       Z2_STEP_INIT;
       Z2_STEP_WRITE(INVERT_Z_STEP_PIN);
     #endif
-    AXIS_INIT(z, Z, Z);
+    AXIS_INIT(Z, Z);
   #endif
 
   #if HAS_E0_STEP
@@ -1237,7 +1237,7 @@ void Stepper::report_positions() {
 
   #define CYCLES_EATEN_BY_BABYSTEP 60
 
-  #define _ENABLE(axis) enable_## axis()
+  #define _ENABLE(AXIS) enable_## AXIS()
   #define _READ_DIR(AXIS) AXIS ##_DIR_READ
   #define _INVERT_DIR(AXIS) INVERT_## AXIS ##_DIR
   #define _APPLY_DIR(AXIS, INVERT) AXIS ##_APPLY_DIR(INVERT, true)
@@ -1298,9 +1298,10 @@ void Stepper::report_positions() {
 
           bool z_direction = direction ^ BABYSTEP_INVERT_Z;
 
-          enable_x();
-          enable_y();
-          enable_z();
+          enable_X();
+          enable_Y();
+          enable_Z();
+
           uint8_t old_x_dir_pin = X_DIR_READ,
                   old_y_dir_pin = Y_DIR_READ,
                   old_z_dir_pin = Z_DIR_READ;