Dec 14, 2014
Flash Detector with Analog Interrupt Code
int flashes = 0;
int wait = 1000;
void setup()
{
pinMode(7,INPUT);
pinMode(13, OUTPUT);
Serial.begin(9600);
ACSR = B01011010; // comparator interrupt enabled and tripped on falling edge.
digitalWrite(13, HIGH);
}
void loop()
{
for(int i=0; i<flashes; i++)
{
digitalWrite(13, LOW);
delay(100);
digitalWrite(13, HIGH);
delay(100);
}
delay(1000);
}
ISR(ANALOG_COMP_vect)
{
flashes++;
Serial.print("Number of Flashes: ");
Serial.println(flashes);
delay(wait);
}