/*
 * a way of keeping track of time.
 * by darrel
 * */

//Time tracking related
unsigned long time = 0; //Stores the time in fifth of seconds
unsigned long timeinSeconds = 0; //stores the time in seconds

void initTime()
{
    //setup to tick once a second.
    TCCR0A |= (1<<WGM01); //ctc mode (clear on timer compare)
    TCCR0B |= (1<<CS00)|(1<<CS02); //set prescaler to 1024
    TIMSK0 |= (1<<OCIE0A); //enable interupt on compare
    OCR0A = 198;
    sei(); //enable global interupts.
}

ISR(TIMER0_COMPA_vect)
{
    //increment every 1/5 a second.
    time++;
    timeinSeconds = time/5;
}