hbc: only use comp0a

diff --git a/hbc.c b/hbc.c
index 5ff04c7..6080410 100644 (file)
--- a/hbc.c
+++ b/hbc.c
@@ -18,16 +18,6 @@ ISR(TIM0_COMPA_vect)
 {      
        xvar++;
 }
-ISR(TIM0_COMPB_vect)
-{
-       xvar++;
-}
-
-ISR(TIM0_OVF_vect)
-{
-       //xvar++;
-}
-
 
 static void switch_idle(void)
 {
@@ -56,7 +46,7 @@ int main(void)
        TCCR0B |= (1 << CS02) | (1 << CS00); /* clk/1024 prescaler */
        OCR0A = 0x7F; /* 50% duty cycle */
        TCNT0 = 0;
-       TIMSK = (1 << OCIE0A) | (1 << OCIE0B) | (1 << TOIE0); /* enable interrupts for overflow and compare */
+       TIMSK = (1 << OCIE0A); /* enable interrupts for overflow and compare */
        sei();
 
        while(1) {