config.*.h: extend DEBUG_LED_PIN comment to all config templates.

config.gen3.h

@@ -297,7 +297,17 @@
 //#define	STEPPER_ENABLE_PIN		xxxx
 //#define	STEPPER_INVERT_ENABLE
 
-//#define DEBUG_LED_PIN         DIO0
+/** \def DEBUG_LED_PIN
+
+  Enable flashing of a LED during motor stepping.
+
+  Disabled by default. Uncommenting this makes the binary a few bytes larger
+  and adds a few cycles to the step timing interrrupt in timer.c. Also used
+  for precision profiling (profiling works even without actually having such
+  a LED in hardware), see
+  http://reprap.org/wiki/Teacup_Firmware#Doing_precision_profiling
+*/
+// #define DEBUG_LED_PIN DIO13
 
 
 

config.gen6.h

@@ -292,7 +292,17 @@
 //#define	STEPPER_ENABLE_PIN		xxxx
 //#define	STEPPER_INVERT_ENABLE
 
-//#define DEBUG_LED_PIN         DIO0
+/** \def DEBUG_LED_PIN
+
+  Enable flashing of a LED during motor stepping.
+
+  Disabled by default. Uncommenting this makes the binary a few bytes larger
+  and adds a few cycles to the step timing interrrupt in timer.c. Also used
+  for precision profiling (profiling works even without actually having such
+  a LED in hardware), see
+  http://reprap.org/wiki/Teacup_Firmware#Doing_precision_profiling
+*/
+// #define DEBUG_LED_PIN DIO13
 
 
 

config.gen7-v1.1-v1.3.h

@@ -300,7 +300,17 @@
 #define STEPPER_ENABLE_PIN		DIO24
 #define	STEPPER_INVERT_ENABLE
 
-//#define DEBUG_LED_PIN         DIO0
+/** \def DEBUG_LED_PIN
+
+  Enable flashing of a LED during motor stepping.
+
+  Disabled by default. Uncommenting this makes the binary a few bytes larger
+  and adds a few cycles to the step timing interrrupt in timer.c. Also used
+  for precision profiling (profiling works even without actually having such
+  a LED in hardware), see
+  http://reprap.org/wiki/Teacup_Firmware#Doing_precision_profiling
+*/
+// #define DEBUG_LED_PIN DIO21
 
 
 

config.gen7-v1.4.h

@@ -300,7 +300,17 @@
 #define STEPPER_ENABLE_PIN		DIO25
 #define	STEPPER_INVERT_ENABLE
 
-//#define DEBUG_LED_PIN         DIO0
+/** \def DEBUG_LED_PIN
+
+  Enable flashing of a LED during motor stepping.
+
+  Disabled by default. Uncommenting this makes the binary a few bytes larger
+  and adds a few cycles to the step timing interrrupt in timer.c. Also used
+  for precision profiling (profiling works even without actually having such
+  a LED in hardware), see
+  http://reprap.org/wiki/Teacup_Firmware#Doing_precision_profiling
+*/
+// #define DEBUG_LED_PIN DIO21
 
 
 

config.ramps-v1.2.h

@@ -295,7 +295,17 @@
 //#define	SD_CARD_DETECT				DIO2
 //#define	SD_WRITE_PROTECT			DIO3
 
-//#define DEBUG_LED_PIN         DIO0
+/** \def DEBUG_LED_PIN
+
+  Enable flashing of a LED during motor stepping.
+
+  Disabled by default. Uncommenting this makes the binary a few bytes larger
+  and adds a few cycles to the step timing interrrupt in timer.c. Also used
+  for precision profiling (profiling works even without actually having such
+  a LED in hardware), see
+  http://reprap.org/wiki/Teacup_Firmware#Doing_precision_profiling
+*/
+// #define DEBUG_LED_PIN DIO13
 
 
 

config.ramps-v1.3.h

@@ -295,12 +295,22 @@
 //#define	STEPPER_ENABLE_PIN		xxxx
 //#define	STEPPER_INVERT_ENABLE
 
-//#define DEBUG_LED_PIN         DIO0
-
 // TODO: 20110813 SJL - the following two are not yet used&verified for RAMPS1.3
 //#define	SD_CARD_DETECT				DIO2
 //#define	SD_WRITE_PROTECT			DIO3
 
+/** \def DEBUG_LED_PIN
+
+  Enable flashing of a LED during motor stepping.
+
+  Disabled by default. Uncommenting this makes the binary a few bytes larger
+  and adds a few cycles to the step timing interrrupt in timer.c. Also used
+  for precision profiling (profiling works even without actually having such
+  a LED in hardware), see
+  http://reprap.org/wiki/Teacup_Firmware#Doing_precision_profiling
+*/
+// #define DEBUG_LED_PIN DIO13
+
 
 
 /***************************************************************************\

config.sanguinololu-v1.1.h

@@ -293,11 +293,22 @@
 #define	STEPPER_ENABLE_PIN		DIO4
 //#define	STEPPER_INVERT_ENABLE
 
-//#define DEBUG_LED_PIN         DIO0
-
 //#define	SD_CARD_DETECT		 		DIO2
 //#define	SD_WRITE_PROTECT			DIO3
 
+/** \def DEBUG_LED_PIN
+
+  Enable flashing of a LED during motor stepping.
+
+  Disabled by default. Uncommenting this makes the binary a few bytes larger
+  and adds a few cycles to the step timing interrrupt in timer.c. Also used
+  for precision profiling (profiling works even without actually having such
+  a LED in hardware), see
+  http://reprap.org/wiki/Teacup_Firmware#Doing_precision_profiling
+*/
+// #define DEBUG_LED_PIN DIO13
+
+
 
 /***************************************************************************\
 *                                                                           *

config.sanguinololu-v1.2.h

@@ -293,11 +293,22 @@
 #define	STEPPER_ENABLE_PIN		DIO14
 #define	STEPPER_INVERT_ENABLE
 
-//#define DEBUG_LED_PIN         DIO0
-
 //#define	SD_CARD_DETECT		 		DIO2
 //#define	SD_WRITE_PROTECT			DIO3
 
+/** \def DEBUG_LED_PIN
+
+  Enable flashing of a LED during motor stepping.
+
+  Disabled by default. Uncommenting this makes the binary a few bytes larger
+  and adds a few cycles to the step timing interrrupt in timer.c. Also used
+  for precision profiling (profiling works even without actually having such
+  a LED in hardware), see
+  http://reprap.org/wiki/Teacup_Firmware#Doing_precision_profiling
+*/
+// #define DEBUG_LED_PIN DIO13
+
+
 
 /***************************************************************************\
 *                                                                           *

config.sanguish.h

@@ -300,7 +300,17 @@
 //#define STEPPER_ENABLE_PIN    DIO25
 //#define STEPPER_INVERT_ENABLE
 
-//#define DEBUG_LED_PIN         DIO0
+/** \def DEBUG_LED_PIN
+
+  Enable flashing of a LED during motor stepping.
+
+  Disabled by default. Uncommenting this makes the binary a few bytes larger
+  and adds a few cycles to the step timing interrrupt in timer.c. Also used
+  for precision profiling (profiling works even without actually having such
+  a LED in hardware), see
+  http://reprap.org/wiki/Teacup_Firmware#Doing_precision_profiling
+*/
+// #define DEBUG_LED_PIN DIO13
 
 
 

config.teensy.h

@@ -342,11 +342,22 @@ to use the other 6 PWMs instead.
 #define STEPPER_ENABLE_PIN    DIO19
 #define STEPPER_INVERT_ENABLE
 
-//#define DEBUG_LED_PIN         DIO0
-
 //#define	SD_CARD_DETECT		 		DIO2
 //#define	SD_WRITE_PROTECT			DIO3
 
+/** \def DEBUG_LED_PIN
+
+  Enable flashing of a LED during motor stepping.
+
+  Disabled by default. Uncommenting this makes the binary a few bytes larger
+  and adds a few cycles to the step timing interrrupt in timer.c. Also used
+  for precision profiling (profiling works even without actually having such
+  a LED in hardware), see
+  http://reprap.org/wiki/Teacup_Firmware#Doing_precision_profiling
+*/
+// #define DEBUG_LED_PIN DIO22
+
+
 
 /***************************************************************************\
 *                                                                           *

config.teensypp.h

@@ -356,11 +356,22 @@ DaveX plan for Teensylu/printrboard-type pinouts (ref teensylu & sprinter) for a
 #define STEPPER_ENABLE_PIN    DIO26
 #define STEPPER_INVERT_ENABLE
 
-//#define DEBUG_LED_PIN         DIO0
-
 //#define  SD_CARD_DETECT          DIO2
 //#define  SD_WRITE_PROTECT        DIO3
 
+/** \def DEBUG_LED_PIN
+
+  Enable flashing of a LED during motor stepping.
+
+  Disabled by default. Uncommenting this makes the binary a few bytes larger
+  and adds a few cycles to the step timing interrrupt in timer.c. Also used
+  for precision profiling (profiling works even without actually having such
+  a LED in hardware), see
+  http://reprap.org/wiki/Teacup_Firmware#Doing_precision_profiling
+*/
+// #define DEBUG_LED_PIN DIO13
+
+
 
 /***************************************************************************\
 *                                                                           *