/* timer.h */ #ifndef _TIMER_H_ #define _TIMER_H_ #include "common.h" #define CLOCK_FREQ 4000000 #define PRESCALER 256 #define TIMER_MAX 125 /* Careful to make this an integer */ #define TICKS_PER_SECOND (CLOCK_FREQ / (TIMER_MAX * PRESCALER)) extern uint8_t button; extern volatile uint8_t output0; extern volatile uint8_t output1; extern volatile uint32_t seconds; void timer_init(void); #endif