added Due to boards.h

Author: soundanalogous

Boards.h

@@ -200,6 +200,22 @@ writePort(port, value, bitmask):  Write an 8 bit port.
 #define PIN_TO_SERVO(p)         ((p) - 2)
 
 
+// Arduino DUE
+#elif defined(__SAM3X8E__)
+#define TOTAL_ANALOG_PINS       12
+#define TOTAL_PINS              66 // 54 digital + 12 analog
+#define VERSION_BLINK_PIN       13
+#define IS_PIN_DIGITAL(p)       ((p) >= 2 && (p) < TOTAL_PINS)
+#define IS_PIN_ANALOG(p)        ((p) >= 54 && (p) < TOTAL_PINS)
+#define IS_PIN_PWM(p)           digitalPinHasPWM(p)
+#define IS_PIN_SERVO(p)         ((p) >= 2 && (p) - 2 < MAX_SERVOS)
+#define IS_PIN_I2C(p)           ((p) == 20 || (p) == 21) // 70 71
+#define PIN_TO_DIGITAL(p)       (p)
+#define PIN_TO_ANALOG(p)        ((p) - 54)
+#define PIN_TO_PWM(p)           PIN_TO_DIGITAL(p)
+#define PIN_TO_SERVO(p)         ((p) - 2)
+
+
 // Teensy 1.0
 #elif defined(__AVR_AT90USB162__)
 #define TOTAL_ANALOG_PINS       0