#ifndef _CLOCK_H_#define _CLOCK_H_#include <avr/interrupt.h>#include <avr/signal.h>#ifndef F_CPU	#define F_CPU F_OSC#endif#define CLOCK_TCNT  65535 - (F_CPU / 1024);#define CLOCK_HOUR 0#define CLOCK_MIN  1#define CLOCK_SEC  2extern unsigned char clock[3];extern volatile unsigned char clock_new_flag;extern volatile unsigned char clock_timeout_timer;void clock_init(void);void clock_do(void);//clear given flag:#define CLOCK_CLEAR_FLAG(f) clock_new_flag &= ~(1<<(f))#define CLOCK_TEST_FLAG(f)  (clock_new_flag & (1<<(f)))#endif