From a25812f36bcb1030ada306923cfa77d3f97e814e Mon Sep 17 00:00:00 2001
From: Simen Svale Skogsrud <simen@bengler.no>
Date: Tue, 31 May 2011 13:13:45 +0200
Subject: [PATCH] made inverted stepper driving the default as per the request
 of the Grbl Shield team and frankly myself. Who doesn't need their stepper
 signals inverted anyway?

---
 settings.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/settings.c b/settings.c
index a172795..78bdec2 100644
--- a/settings.c
+++ b/settings.c
@@ -26,6 +26,7 @@
 #include "wiring_serial.h"
 #include <avr/pgmspace.h>
 #include "protocol.h"
+#include "config.h"
 
 settings_t settings;
 
@@ -51,7 +52,7 @@ typedef struct {
 #define DEFAULT_FEEDRATE 500.0
 #define DEFAULT_ACCELERATION (DEFAULT_FEEDRATE/10.0)
 #define DEFAULT_MAX_JERK 300.0
-#define DEFAULT_STEPPING_INVERT_MASK 0
+#define DEFAULT_STEPPING_INVERT_MASK ((1<<X_STEP_BIT)|(1<<Y_STEP_BIT)||(1<<Z_STEP_BIT))
 
 void settings_reset() {
   settings.steps_per_mm[X_AXIS] = DEFAULT_X_STEPS_PER_MM;