diff options
Diffstat (limited to 'tmk_core/common/avr/timer.c')
| -rw-r--r-- | tmk_core/common/avr/timer.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/tmk_core/common/avr/timer.c b/tmk_core/common/avr/timer.c index 63ec549dff..88fa1dfa65 100644 --- a/tmk_core/common/avr/timer.c +++ b/tmk_core/common/avr/timer.c @@ -32,33 +32,32 @@ volatile uint32_t timer_count; */ void timer_init(void) { #if TIMER_PRESCALER == 1 - uint8_t prescaler = 0x01; + uint8_t prescaler = _BV(CS00); #elif TIMER_PRESCALER == 8 - uint8_t prescaler = 0x02; + uint8_t prescaler = _BV(CS01); #elif TIMER_PRESCALER == 64 - uint8_t prescaler = 0x03; + uint8_t prescaler = _BV(CS00) | _BV(CS01); #elif TIMER_PRESCALER == 256 - uint8_t prescaler = 0x04; + uint8_t prescaler = _BV(CS02); #elif TIMER_PRESCALER == 1024 - uint8_t prescaler = 0x05; + uint8_t prescaler = _BV(CS00) | _BV(CS02); #else -# error "Timer prescaler value is NOT vaild." +# error "Timer prescaler value is not valid" #endif #ifndef __AVR_ATmega32A__ // Timer0 CTC mode - TCCR0A = 0x02; - + TCCR0A = _BV(WGM01); TCCR0B = prescaler; OCR0A = TIMER_RAW_TOP; - TIMSK0 = (1 << OCIE0A); + TIMSK0 = _BV(OCIE0A); #else // Timer0 CTC mode - TCCR0 = (1 << WGM01) | prescaler; + TCCR0 = _BV(WGM01) | prescaler; OCR0 = TIMER_RAW_TOP; - TIMSK = (1 << OCIE0); + TIMSK = _BV(OCIE0); #endif } |