MarlinFirmware · thinkyhead · May 14, 2016 · May 8, 2016
diff --git a/Marlin/Marlin.h b/Marlin/Marlin.h
@@ -52,11 +52,6 @@
 
 typedef unsigned long millis_t;
 
-// Arduino < 1.0.0 does not define this, so we need to do it ourselves
-#ifndef analogInputToDigitalPin
-  #define analogInputToDigitalPin(p) ((p) + 0xA0)
-#endif
-
 #ifdef USBCON
   #include "HardwareSerial.h"
 #endif

diff --git a/Marlin/pins.h b/Marlin/pins.h
@@ -23,20 +23,6 @@
 #ifndef PINS_H
 #define PINS_H
 
-// Preset optional pins
-#define X_MS1_PIN -1
-#define X_MS2_PIN -1
-#define Y_MS1_PIN -1
-#define Y_MS2_PIN -1
-#define Z_MS1_PIN -1
-#define Z_MS2_PIN -1
-#define E0_MS1_PIN -1
-#define E0_MS2_PIN -1
-#define E1_MS1_PIN -1
-#define E1_MS2_PIN -1
-#define HEATER_3_PIN -1
-#define TEMP_3_PIN -1
-
 #if MB(GEN7_CUSTOM)
   #include "pins_GEN7_CUSTOM.h"
 #elif MB(GEN7_12)
@@ -157,28 +143,132 @@
   #error Unknown MOTHERBOARD value set in Configuration.h
 #endif
 
+// Define certain undefined pins
+#ifndef X_MS1_PIN
+  #define X_MS1_PIN -1
+#endif
+#ifndef X_MS2_PIN
+  #define X_MS2_PIN -1
+#endif
+#ifndef Y_MS1_PIN
+  #define Y_MS1_PIN -1
+#endif
+#ifndef Y_MS2_PIN
+  #define Y_MS2_PIN -1
+#endif
+#ifndef Z_MS1_PIN
+  #define Z_MS1_PIN -1
+#endif
+#ifndef Z_MS2_PIN
+  #define Z_MS2_PIN -1
+#endif
+#ifndef E0_MS1_PIN
+  #define E0_MS1_PIN -1
+#endif
+#ifndef E0_MS2_PIN
+  #define E0_MS2_PIN -1
+#endif
+#ifndef E1_MS1_PIN
+  #define E1_MS1_PIN -1
+#endif
+#ifndef E1_MS2_PIN
+  #define E1_MS2_PIN -1
+#endif
+
+#ifndef FAN_PIN
+  #define FAN_PIN -1
+#endif
+#ifndef FAN1_PIN
+  #define FAN1_PIN -1
+#endif
+#ifndef FAN2_PIN
+  #define FAN2_PIN -1
+#endif
+
+#ifndef HEATER_0_PIN
+  #define HEATER_0_PIN -1
+#endif
+#ifndef HEATER_1_PIN
+  #define HEATER_1_PIN -1
+#endif
+#ifndef HEATER_2_PIN
+  #define HEATER_2_PIN -1
+#endif
+#ifndef HEATER_3_PIN
+  #define HEATER_3_PIN -1
+#endif
+#ifndef HEATER_BED_PIN
+  #define HEATER_BED_PIN -1
+#endif
+
+#ifndef TEMP_0_PIN
+  #define TEMP_0_PIN -1
+#endif
+#ifndef TEMP_1_PIN
+  #define TEMP_1_PIN -1
+#endif
+#ifndef TEMP_2_PIN
+  #define TEMP_2_PIN -1
+#endif
+#ifndef TEMP_3_PIN
+  #define TEMP_3_PIN -1
+#endif
+#ifndef TEMP_BED_PIN
+  #define TEMP_BED_PIN -1
+#endif
+
+#ifndef SD_DETECT_PIN
+  #define SD_DETECT_PIN -1
+#endif
+#ifndef SDPOWER
+  #define SDPOWER -1
+#endif
+#ifndef SDSS
+  #define SDSS -1
+#endif
+#ifndef LED_PIN
+  #define LED_PIN -1
+#endif
+#ifndef PS_ON_PIN
+  #define PS_ON_PIN -1
+#endif
+#ifndef KILL_PIN
+  #define KILL_PIN -1
+#endif
+#ifndef SUICIDE_PIN
+  #define SUICIDE_PIN -1
+#endif
+
+// Marlin needs to account for pins that equal -1
+#define marlinAnalogInputToDigitalPin(p) ((p) == -1 ? -1 : (p) + 0xA0)
+
 // List of pins which to ignore when asked to change by gcode, 0 and 1 are RX and TX, do not mess with those!
-#define _E0_PINS E0_STEP_PIN, E0_DIR_PIN, E0_ENABLE_PIN, HEATER_0_PIN, analogInputToDigitalPin(TEMP_0_PIN),
+#define _E0_PINS E0_STEP_PIN, E0_DIR_PIN, E0_ENABLE_PIN, E0_MS1_PIN, E0_MS2_PIN, HEATER_0_PIN, EXTRUDER_0_AUTO_FAN_PIN, marlinAnalogInputToDigitalPin(TEMP_0_PIN),
 #define _E1_PINS
 #define _E2_PINS
 #define _E3_PINS
 
 #if EXTRUDERS > 1
   #undef _E1_PINS
-  #define _E1_PINS E1_STEP_PIN, E1_DIR_PIN, E1_ENABLE_PIN, HEATER_1_PIN, analogInputToDigitalPin(TEMP_1_PIN),
+  #define _E1_PINS E1_STEP_PIN, E1_DIR_PIN, E1_ENABLE_PIN, HEATER_1_PIN, E1_MS1_PIN, E1_MS2_PIN, EXTRUDER_1_AUTO_FAN_PIN, marlinAnalogInputToDigitalPin(TEMP_1_PIN),
   #if EXTRUDERS > 2
     #undef _E2_PINS
-    #define _E2_PINS E2_STEP_PIN, E2_DIR_PIN, E2_ENABLE_PIN, HEATER_2_PIN, analogInputToDigitalPin(TEMP_2_PIN),
+    #define _E2_PINS E2_STEP_PIN, E2_DIR_PIN, E2_ENABLE_PIN, HEATER_2_PIN, EXTRUDER_2_AUTO_FAN_PIN, marlinAnalogInputToDigitalPin(TEMP_2_PIN),
     #if EXTRUDERS > 3
       #undef _E3_PINS
-      #define _E3_PINS E3_STEP_PIN, E3_DIR_PIN, E3_ENABLE_PIN, HEATER_3_PIN, analogInputToDigitalPin(TEMP_3_PIN),
+      #define _E3_PINS E3_STEP_PIN, E3_DIR_PIN, E3_ENABLE_PIN, HEATER_3_PIN, EXTRUDER_3_AUTO_FAN_PIN, marlinAnalogInputToDigitalPin(TEMP_3_PIN),
     #endif
   #endif
 #elif ENABLED(Y_DUAL_STEPPER_DRIVERS) || ENABLED(Z_DUAL_STEPPER_DRIVERS)
   #undef _E1_PINS
   #define _E1_PINS E1_STEP_PIN, E1_DIR_PIN, E1_ENABLE_PIN,
 #endif
 
+#define BED_PINS HEATER_BED_PIN, marlinAnalogInputToDigitalPin(TEMP_BED_PIN),
+
+//
+// Assign endstop pins for boards with only 3 connectors
+//
 #ifdef X_STOP_PIN
   #if X_HOME_DIR < 0
     #define X_MIN_PIN X_STOP_PIN
@@ -209,6 +299,9 @@
   #endif
 #endif
 
+//
+// Disable unused endstop / probe pins
+//
 #if ENABLED(DISABLE_Z_MIN_PROBE_ENDSTOP) || DISABLED(Z_MIN_PROBE_ENDSTOP) // Allow code to compile regardless of Z_MIN_PROBE_ENDSTOP setting.
   #undef Z_MIN_PROBE_PIN
   #define Z_MIN_PROBE_PIN    -1
@@ -270,10 +363,9 @@
     X_STEP_PIN, X_DIR_PIN, X_ENABLE_PIN, X_MIN_PIN, X_MAX_PIN, \
     Y_STEP_PIN, Y_DIR_PIN, Y_ENABLE_PIN, Y_MIN_PIN, Y_MAX_PIN, \
     Z_STEP_PIN, Z_DIR_PIN, Z_ENABLE_PIN, Z_MIN_PIN, Z_MAX_PIN, Z_MIN_PROBE_PIN, \
-    PS_ON_PIN, HEATER_BED_PIN, FAN_PIN, CONTROLLERFAN_PIN, \
-    EXTRUDER_0_AUTO_FAN_PIN, EXTRUDER_1_AUTO_FAN_PIN, EXTRUDER_2_AUTO_FAN_PIN, EXTRUDER_3_AUTO_FAN_PIN, \
-    _E0_PINS _E1_PINS _E2_PINS _E3_PINS \
-    analogInputToDigitalPin(TEMP_BED_PIN) \
+    PS_ON_PIN, HEATER_BED_PIN, FAN_PIN, FAN1_PIN, FAN2_PIN, CONTROLLERFAN_PIN, \
+    _E0_PINS _E1_PINS _E2_PINS _E3_PINS BED_PINS \
+    X_MS1_PIN, X_MS2_PIN, Y_MS1_PIN, Y_MS2_PIN, Z_MS1_PIN, Z_MS2_PIN \
   }
 
 #define HAS_DIGIPOTSS (PIN_EXISTS(DIGIPOTSS))

diff --git a/Marlin/pins_5DPRINT.h b/Marlin/pins_5DPRINT.h
@@ -54,8 +54,6 @@
 #define E0_ENABLE_PIN      17
 
 #define HEATER_0_PIN       21  // Extruder
-#define HEATER_1_PIN       -1
-#define HEATER_2_PIN       -1
 #define HEATER_BED_PIN     20  // Bed
 // You may need to change FAN_PIN to 16 because Marlin isn't using fastio.h
 // for the fan and Teensyduino uses a different pin mapping.
@@ -64,14 +62,6 @@
 #define TEMP_0_PIN          1  // Extruder / Analog pin numbering
 #define TEMP_BED_PIN        0  // Bed / Analog pin numbering
 
-#define TEMP_1_PIN         -1
-#define TEMP_2_PIN         -1
-
-#define SDPOWER            -1
-#define LED_PIN            -1
-#define PS_ON_PIN          -1
-#define KILL_PIN           -1
-
 // The SDSS pin uses a different pin mapping from file Sd2PinMap.h
 #define SDSS               20
 
@@ -85,15 +75,6 @@
 // Microstepping pins
 // Note that the pin mapping is not from fastio.h
 // See Sd2PinMap.h for the pin configurations
-
-#undef X_MS1_PIN
-#undef X_MS2_PIN
-#undef Y_MS1_PIN
-#undef Y_MS2_PIN
-#undef Z_MS1_PIN
-#undef Z_MS2_PIN
-#undef E0_MS1_PIN
-#undef E0_MS2_PIN
 #define X_MS1_PIN 25
 #define X_MS2_PIN 26
 #define Y_MS1_PIN 9
@@ -102,4 +83,3 @@
 #define Z_MS2_PIN 6
 #define E0_MS1_PIN 5
 #define E0_MS2_PIN 4
-
diff --git a/Marlin/pins_99.h b/Marlin/pins_99.h
@@ -43,18 +43,10 @@
 #define E0_DIR_PIN          66
 #define E0_ENABLE_PIN      -1
 
-#define SDPOWER            -1
 #define SDSS               53
-#define LED_PIN            -1
-#define FAN_PIN            -1
 #define PS_ON_PIN           9
-#define KILL_PIN           -1
 
 #define HEATER_0_PIN        13
-#define HEATER_1_PIN       -1
-#define HEATER_2_PIN       -1
 #define TEMP_0_PIN          6   // MUST USE ANALOG INPUT NUMBERING NOT DIGITAL OUTPUT NUMBERING!!!!!!!!!
-#define TEMP_1_PIN         -1   // MUST USE ANALOG INPUT NUMBERING NOT DIGITAL OUTPUT NUMBERING!!!!!!!!!
-#define TEMP_2_PIN         -1   // MUST USE ANALOG INPUT NUMBERING NOT DIGITAL OUTPUT NUMBERING!!!!!!!!!
 #define HEATER_BED_PIN      4
 #define TEMP_BED_PIN       10
diff --git a/Marlin/pins_A4JP.h b/Marlin/pins_A4JP.h
@@ -38,18 +38,6 @@
   #define SLED_PIN -1
 #endif
 
-#undef X_MS1_PIN
-#undef X_MS2_PIN
-#undef Y_MS1_PIN
-#undef Y_MS2_PIN
-#undef Z_MS1_PIN
-#undef Z_MS2_PIN
-#undef E0_MS1_PIN
-#undef E0_MS2_PIN
-#undef E1_MS1_PIN
-#undef E1_MS2_PIN
-
-#undef DIGIPOTSS_PIN
 //Fan_2 2
 
 /*****************
@@ -108,9 +96,6 @@
 #define HEATER_0_PIN   9
 #define TEMP_0_PIN     0
 #define HEATER_1_PIN   7
-#define TEMP_1_PIN    -1
-#define HEATER_2_PIN  -1
-#define TEMP_2_PIN    -1
 
 #define E0_STEP_PIN   34
 #define E0_DIR_PIN    43
@@ -126,13 +111,10 @@
 #define DIGIPOTSS_PIN 38
 #define DIGIPOT_CHANNELS {4,5,3,0,1} // X Y Z E0 E1 digipot channels to stepper driver mapping
 
-#define SDPOWER       -1
 #define SDSS          53
 #define LED_PIN       13
 #define FAN_PIN        8
 #define PS_ON_PIN      4
-#define KILL_PIN      -1
-#define SUICIDE_PIN   -1 //PIN that has to be turned on right after start, to keep power flowing.
 #define FAN_0_PIN      6 //Glen
 #define FAN_1_PIN      2 //Glen
 

diff --git a/Marlin/pins_BRAINWAVE.h b/Marlin/pins_BRAINWAVE.h
@@ -55,21 +55,13 @@
 #define E0_ATT_PIN         20
 
 #define HEATER_0_PIN        4  // Extruder
-#define HEATER_1_PIN       -1
-#define HEATER_2_PIN       -1
 #define HEATER_BED_PIN     38  // Bed
 #define FAN_PIN             3  // Fan
 
 #define TEMP_0_PIN          7  // Extruder / Analog pin numbering
-#define TEMP_1_PIN         -1
-#define TEMP_2_PIN         -1
 #define TEMP_BED_PIN        6  // Bed / Analog pin numbering
 
-#define SDPOWER            -1
-#define SDSS               -1
 #define LED_PIN            39
-#define PS_ON_PIN          -1
-#define KILL_PIN           -1
 
 #if DISABLED(SDSUPPORT)
   // these pins are defined in the SD library if building with SD support

diff --git a/Marlin/pins_BRAINWAVE_PRO.h b/Marlin/pins_BRAINWAVE_PRO.h
@@ -60,21 +60,15 @@
 #define E0_ENABLE_PIN      13
 
 #define HEATER_0_PIN       15
-#define HEATER_1_PIN       -1
-#define HEATER_2_PIN       -1
 #define HEATER_BED_PIN     14  // Bed
 #define FAN_PIN            16  // Fan, PWM
 
 #define TEMP_0_PIN          2  // Extruder / Analog pin numbering
 #define TEMP_1_PIN          1  // Spare / Analog pin numbering
-#define TEMP_2_PIN         -1
 #define TEMP_BED_PIN        0  // Bed / Analog pin numbering
 
-#define SDPOWER            -1
 #define SDSS               20
 #define LED_PIN            19
-#define PS_ON_PIN          -1
-#define KILL_PIN           -1
 #define SD_DETECT_PIN      12
 
 #if DISABLED(SDSUPPORT)