Using the timers

void counterInterrupt ( void ) interrupt 3 using 1 {

timeLow = TL0;

TL0 = 0;

timeHigh = count;

count = 0;

if (timeHigh == 0 && timeLow < 10) *ledaddress = 0x6f;

else if (timeHigh == 0 && timeLow < 100) *ledaddress = 0x6b;

else if (timeHigh < 4) *ledaddress = 0x02;

else if (timeHigh < 40) *ledaddress = 0x04;

else if (timeHigh < 400) *ledaddress = 0x08;

else if (timeHigh < 4000) *ledaddress = 0x10;

else if (timeHigh < 40000) *ledaddress = 0x20;

else *ledaddress = 0xf0; // default

}

void timerInterrupt ( void ) interrupt 1 using 1 {

count++;

}

Previous slide

Next slide

Back to first slide

View graphic version