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Added support for interrupt on INT2 and INT3 on the Leonardo

This commit is contained in:
Kristian Lauszus 2012-06-02 20:08:46 +02:00
parent 810803c6d3
commit 4ed0bd2bd5
2 changed files with 32 additions and 6 deletions
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24
cores/arduino/WInterrupts.c
View File

@ -59,6 +59,14 @@ void attachInterrupt(uint8_t interruptNum, void (*userFunc)(void), int mode) {
EICRA = (EICRA & ~((1<<ISC10) | (1<<ISC11))) | (mode << ISC10);
EIMSK |= (1<<INT1);
break;
case 2:
EICRA = (EICRA & ~((1<<ISC20) | (1<<ISC21))) | (mode << ISC20);
EIMSK |= (1<<INT2);
break;
case 3:
EICRA = (EICRA & ~((1<<ISC30) | (1<<ISC31))) | (mode << ISC30);
EIMSK |= (1<<INT3);
break;
#elif defined(EICRA) && defined(EICRB) && defined(EIMSK)
case 2:
EICRA = (EICRA & ~((1 << ISC00) | (1 << ISC01))) | (mode << ISC00);
@ -153,6 +161,12 @@ void detachInterrupt(uint8_t interruptNum) {
case 1:
EIMSK &= ~(1<<INT1);
break;
case 2:
EIMSK &= ~(1<<INT2);
break;
case 3:
EIMSK &= ~(1<<INT3);
break;
#elif defined(EICRA) && defined(EICRB) && defined(EIMSK)
case 2:
EIMSK &= ~(1 << INT0);
@ -226,6 +240,16 @@ SIGNAL(INT1_vect) {
intFunc[EXTERNAL_INT_1]();
}
SIGNAL(INT2_vect) {
if(intFunc[EXTERNAL_INT_2])
intFunc[EXTERNAL_INT_2]();
}
SIGNAL(INT3_vect) {
if(intFunc[EXTERNAL_INT_3])
intFunc[EXTERNAL_INT_3]();
}
#elif defined(EICRA) && defined(EICRB)
SIGNAL(INT0_vect) {

2
cores/arduino/wiring_private.h
View File

@ -56,6 +56,8 @@ extern "C"{
#define EXTERNAL_NUM_INTERRUPTS 8
#elif defined(__AVR_ATmega1284P__)
#define EXTERNAL_NUM_INTERRUPTS 3
#elif defined(__AVR_ATmega32U4__)
#define EXTERNAL_NUM_INTERRUPTS 4
#else
#define EXTERNAL_NUM_INTERRUPTS 2
#endif