Added arduino libs

libraries/EnableInterrupt/utility/ei_External1284.h

@@ -0,0 +1,66 @@
+#if ! defined(EI_NOTINT0) && ! defined (EI_NOTINT1) && ! defined (EI_NOTINT2)
+#ifdef EI_SECTION_ENABLEEXTERNAL
+switch (arduinoPin) {
+#ifndef EI_NOTINT0
+  case ARDUINO_PIN_D2 : // INT0  (Either 2 or 10)
+    EIMSK &= ~_BV(0);
+#ifndef NEEDFORSPEED
+    functionPointerArrayEXTERNAL[0] = userFunction;
+#endif
+    EICRA &= (~_BV(0) & ~_BV(1)); // reset the flags prior to
+    EICRA |= mode;                // set them the way we want
+    EIFR |= _BV(0);
+    EIMSK |= _BV(0);
+    break;
+#endif
+#ifndef EI_NOTINT1
+  case ARDUINO_PIN_D3 : // INT1  (Either 3 or 11)
+    EIMSK &= ~_BV(1);
+#ifndef NEEDFORSPEED
+    functionPointerArrayEXTERNAL[1] = userFunction;
+#endif
+    EICRA &= (~_BV(2) & ~_BV(3));
+    EICRA |= (mode << 2);
+    EIFR |= _BV(1);
+    EIMSK |= _BV(1);
+    break;
+#endif
+#ifndef EI_NOTINT2
+  case ARDUINO_PIN_B2 : // INT2  (Either 10 or 2)
+    EIMSK &= ~_BV(2);
+#ifndef NEEDFORSPEED
+    functionPointerArrayEXTERNAL[2] = userFunction;
+#endif
+    EICRA &= (~_BV(4) & ~_BV(5));
+    EICRA |= (mode << 4);
+    EIFR |= _BV(2);
+    EIMSK |= _BV(2);
+    break;
+#endif
+}
+#endif // EI_SECTION_ENABLEEXTERNAL
+
+#ifdef EI_SECTION_DISABLEEXTERNAL
+#ifndef EI_NOTINT0
+if (arduinoPin == ARDUINO_PIN_D2) {  // INT0  (Either 2 or 10)
+  EIMSK &= ~_BV(0);
+  EICRA &= (~_BV(0) & ~_BV(1));
+  EIFR  |= _BV(0); // using a clue from the ATmega2560 datasheet.
+}
+#endif
+#ifndef EI_NOTINT1
+if (arduinoPin == ARDUINO_PIN_D3) {  // INT1  (Either 3 or 11)
+  EIMSK &= ~_BV(1);
+  EICRA &= (~_BV(2) & ~_BV(3));
+  EIFR  |= _BV(1); // using a clue from the ATmega2560 datasheet.
+}
+#endif
+#ifndef EI_NOTINT2
+if (arduinoPin == ARDUINO_PIN_B2) {  // INT2  (Either 10 or 2)
+  EIMSK &= ~_BV(2);
+  EICRA &= (~_BV(4) & ~_BV(5));
+  EIFR  |= _BV(2); // using a clue from the ATmega2560 datasheet.
+}
+#endif
+#endif // EI_SECTION_DISABLEEXTERNAL
+#endif // ! defined(EI_NOTINT0) && ! defined (EI_NOTINT1) && ! defined (EI_NOTINT2)