diff options
Diffstat (limited to 'kernel/time/mcu/atmega2560/timer.c')
| -rw-r--r-- | kernel/time/mcu/atmega2560/timer.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/kernel/time/mcu/atmega2560/timer.c b/kernel/time/mcu/atmega2560/timer.c index eece7a0..03f1ed5 100644 --- a/kernel/time/mcu/atmega2560/timer.c +++ b/kernel/time/mcu/atmega2560/timer.c @@ -11,7 +11,7 @@ void timer_init() { TCCR3B = (1 << WGM32); // turn on CTC mode: TCCR3B |= (1 << CS32) | (0 << CS31) | (1 << CS30); // set to 1024 prescaler - unsigned long int hz_counter = ((unsigned long int) F_CPU) / (2 * 1024 * ((unsigned long int) HZ)) - 1; + unsigned long int hz_counter = ((unsigned long int) F_CPU) / (1024 * ((unsigned long int) HZ)) - 1; OCR3A = hz_counter; sei(); } @@ -42,6 +42,5 @@ ISR(TIMER3_COMPA_vect, ISR_NAKED) { led13(on); sched_tick(); RESTORE_CONTEXT(); - sei(); asm volatile ("reti"); } |