From e8ed4329ea0a94cc3929c34573882f9c662fb53c Mon Sep 17 00:00:00 2001
From: Scott Lahteine <github@thinkyhead.com>
Date: Wed, 29 Jan 2020 22:16:09 -0600
Subject: [PATCH] Cleanup of old includes, add comments

---
 Marlin/Configuration_adv.h               |  2 +-
 Marlin/src/gcode/lcd/M0_M1.cpp           |  8 ++++----
 Marlin/src/pins/rambo/pins_EINSY_RETRO.h | 20 ++++++++++----------
 3 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/Marlin/Configuration_adv.h b/Marlin/Configuration_adv.h
index db5ad52ab..e2bda3f80 100644
--- a/Marlin/Configuration_adv.h
+++ b/Marlin/Configuration_adv.h
@@ -819,7 +819,7 @@
   // probing on a screwhead or hollow washer, probe near the edges.
   //#define CALIBRATION_MEASURE_AT_TOP_EDGES
 
-  // Define pin which is read during calibration
+  // Define the pin to read during calibration
   #ifndef CALIBRATION_PIN
     #define CALIBRATION_PIN -1 // Override in pins.h or set to -1 to use your Z endstop
     #define CALIBRATION_PIN_INVERTING false // Set to true to invert the pin
diff --git a/Marlin/src/gcode/lcd/M0_M1.cpp b/Marlin/src/gcode/lcd/M0_M1.cpp
index 5bf9e9432..6a6d00ed3 100644
--- a/Marlin/src/gcode/lcd/M0_M1.cpp
+++ b/Marlin/src/gcode/lcd/M0_M1.cpp
@@ -20,12 +20,14 @@
  *
  */
 
-#include "../../inc/MarlinConfig.h"
+#include "../../inc/MarlinConfigPre.h"
 
 #if HAS_RESUME_CONTINUE
 
 #include "../gcode.h"
-#include "../../module/stepper.h"
+#include "../../module/planner.h"
+
+#include "../../inc/MarlinConfig.h"
 
 #if HAS_LCD_MENU
   #include "../../lcd/ultralcd.h"
@@ -35,8 +37,6 @@
   #include "../../lcd/extensible_ui/ui_api.h"
 #endif
 
-#include "../../sd/cardreader.h"
-
 #if HAS_LEDS_OFF_FLAG
   #include "../../feature/leds/printer_event_leds.h"
 #endif
diff --git a/Marlin/src/pins/rambo/pins_EINSY_RETRO.h b/Marlin/src/pins/rambo/pins_EINSY_RETRO.h
index 9ca51ac86..1cb4cf356 100644
--- a/Marlin/src/pins/rambo/pins_EINSY_RETRO.h
+++ b/Marlin/src/pins/rambo/pins_EINSY_RETRO.h
@@ -38,7 +38,7 @@
   #error "You must set ([XYZ]|E0)_DRIVER_TYPE to TMC2130 in Configuration.h for EinsyRetro."
 #endif
 
-// TMC2130 Diag Pins (currently just for reference)
+// TMC2130 Diag Pins
 #define X_DIAG_PIN         64
 #define Y_DIAG_PIN         69
 #define Z_DIAG_PIN         68
@@ -55,27 +55,27 @@
 
 #if DISABLED(SENSORLESS_HOMING)
 
-  #define X_MIN_PIN        12
-  #define Y_MIN_PIN        11
-  #define Z_MIN_PIN        10
-  #define X_MAX_PIN        81
-  #define Y_MAX_PIN        57
+  #define X_MIN_PIN        12   // X-
+  #define Y_MIN_PIN        11   // Y-
+  #define Z_MIN_PIN        10   // Z-
+  #define X_MAX_PIN        81   // X+
+  #define Y_MAX_PIN        57   // Y+
 
 #else
 
   #if X_HOME_DIR < 0
     #define X_MIN_PIN      X_DIAG_PIN
-    #define X_MAX_PIN      81
+    #define X_MAX_PIN      81   // X+
   #else
-    #define X_MIN_PIN      12
+    #define X_MIN_PIN      12   // X-
     #define X_MAX_PIN      X_DIAG_PIN
   #endif
 
   #if Y_HOME_DIR < 0
     #define Y_MIN_PIN      Y_DIAG_PIN
-    #define Y_MAX_PIN      57
+    #define Y_MAX_PIN      57   // Y+
   #else
-    #define Y_MIN_PIN      11
+    #define Y_MIN_PIN      11   // Y-
     #define Y_MAX_PIN      Y_DIAG_PIN
   #endif