Home X-Axis under certain conditions

jrhubott · Jan 28, 2016 · 854dc98 · 854dc98
1 parent 4ff71a1
commit 854dc98
Showing 1 changed file with 10 additions and 2 deletions.
diff --git a/Marlin/Marlin_main.cpp b/Marlin/Marlin_main.cpp
@@ -2312,11 +2312,19 @@ inline void gcode_G28() {
 
     home_all_axis = (!homeX && !homeY && !homeZ && !setZhomeOffset) || (homeX && homeY && homeZ);
 
-	// Home the Z axis if it is to low
-	if(current_position[Z_AXIS] < 5)
+	//If we don't know our current location / home Z first
+	if(axis_known_position[Z_AXIS] == false)
 	{
 		homeZ = true;
 	}
+	else if(current_position[Z_AXIS] < 10)
+	{
+		//Position the Z axis if it is below 10
+		destination[Z_AXIS] = 10;
+		feedrate = max_feedrate[Z_AXIS] * 60;
+		line_to_destination();
+        st_synchronize();
+	}
 
 	#if ENABLED(G28_AUTOSET_Z_HOME_OFFSET)
 	if(setZhomeOffset)