clock.h

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#define PCF8563_ADDR			0xA2	//write address
#define PCF8563_SEC_SUB		0x02
#define PCF8563_MIN_SUB		0x03
#define PCF8563_HOUR_SUB		0x04

#define	CLOCK_ADJUST_IN_IDLE		0
#define	CLOCK_ADJUST_IN_HOUR		1
#define	CLOCK_ADJUST_IN_MINUTE	2

//Define the TimeTypeFlag 
enum
{
TIME_TYPE_12,
TIME_TYPE_24
};

extern unsigned char g_clock_adjust;
extern unsigned char TimeTypeFlag;
extern unsigned char Time_hour;
extern unsigned char Time_Minute;

extern void PCF8563_Init(void);
extern void Read_time(void);
extern void Write_time(unsigned char time);
extern void Clock_adjust_up_control(void);
extern void Clock_adjust_down_control(void);