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#define LEDPIN 13
#define BUTTONPIN 2
#define DEBOUNCE 1
ISR(INT0_vect) {
static unsigned long last = 0;
unsigned long now = millis();
if (now - last < 100) {
return;
}
last = now;
static unsigned char state = 0;
// Toggle LEDPIN
digitalWrite(LEDPIN, state % 2 == 0);
state++;
Serial.print("Hej "); Serial.println(state);
}
void setup() {
// We need to talk
Serial.begin(9600);
// Setup pinmodes
pinMode(LEDPIN, OUTPUT);
pinMode(BUTTONPIN, INPUT_PULLUP);
// Attach a interrupt on the button
//attachInterrupt(digitalPinToInterrupt(BUTTONPIN), testy, RISING);
// Enable interrupt 0
EIMSK |= 1 << INT0;
// Eable on rising edge
EICRA |= (1 << ISC01) | (1 << ISC00);
}
void loop() {
static int i = 0;
//Serial.print("Cool stuff happening now ");
//Serial.println(i++);
}
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