int a=0;
void setup()
{
pinMode(PF_2, OUTPUT); //for blue led
pinMode(PF_3, OUTPUT); //for green led
pinMode(PUSH2, INPUT_PULLUP);
attachInterrupt(PF_0, blinky, FALLING); // Interrupt is fired whenever button is pressed
// Here Blinky is interrupt service function
}
void loop() //normally this loop plays
{
digitalWrite(PF_2, 1); //blue LED starts ON
delay(1000);
digitalWrite(PF_2, 0); //blue LED starts Off
delay(1000);
}
void blinky() //this loop will excute when interrupt occur
{
a = !a;
digitalWrite(PF_3,a); // output of green led will negate
}
