Added arduino libs

libraries/EnableInterrupt/utility/ei_PinChangeTiny24.h

@@ -0,0 +1,69 @@
+#ifdef EI_SECTION_RISING
+#ifndef EI_NOTPORTA
+if (portNumber==PA) {
+  risingPinsPORTA |= portMask;
+}
+#endif
+#ifndef EI_NOTPORTB
+if (portNumber==PB) {
+  risingPinsPORTB |= portMask;
+}
+#endif
+#endif // EI_SECTION_RISING
+
+#ifdef EI_SECTION_FALLING
+#ifndef EI_NOTPORTA
+if (portNumber==PA) {
+  fallingPinsPORTA |= portMask;
+}
+#endif
+#ifndef EI_NOTPORTB
+if (portNumber==PB) {
+  fallingPinsPORTB |= portMask;
+}
+#endif
+#endif // EI_SECTION_FALLING
+
+#if defined EI_SECTION_ASSIGNFUNCTIONSREGISTERS
+#ifndef EI_NOTPORTA
+if (portNumber==PA) {
+#ifndef NEEDFORSPEED
+  calculatedPointer=&portAFunctions.pinZero + portBitNumber;
+  *calculatedPointer = userFunction;
+#endif
+  portSnapshotA=*portInputRegister(portNumber);
+  pcmsk=&PCMSK0;
+  GIMSK |= _BV(4);
+}
+#endif
+#ifndef EI_NOTPORTB
+if (portNumber==PB) {
+#ifndef NEEDFORSPEED
+  calculatedPointer=&portBFunctions.pinZero + portBitNumber;
+  *calculatedPointer = userFunction;
+#endif
+  portSnapshotB=*portInputRegister(portNumber);
+  pcmsk=&PCMSK1;
+  GIMSK |= _BV(5);
+}
+#endif
+#endif // EI_SECTION_ASSIGNFUNCTIONSREGISTERS
+
+#ifdef EI_SECTION_DISABLEPINCHANGE
+#ifndef EI_NOTPORTA
+if (portNumber == PA) {
+  PCMSK0 &= ~portMask;
+  if (PCMSK0 == 0) { GIMSK &= ~_BV(4); };
+  risingPinsPORTA &= ~portMask;
+  fallingPinsPORTA &= ~portMask;
+}
+#endif
+#ifndef EI_NOTPORTB
+if (portNumber == PB) {
+  PCMSK1 &= ~portMask;
+  if (PCMSK1 == 0) { GIMSK &= ~_BV(5); };
+  risingPinsPORTB &= ~portMask;
+  fallingPinsPORTB &= ~portMask;
+}
+#endif
+#endif // EI_SECTION_DISABLEPINCHANGE