/***********************************************************文件名：ds1302.h  ds1302實時時鐘函數頭文件  功能：ds1302數據結構的定義和函數的定義完成日期：2004.7.18***********************************************************/void Setup_1302_Port(void);unsigned char Read_1302_Port(void);void Set_Time(unsigned char * TimeBuffer);unsigned int Get_Time(unsigned char * TimeBuffer);unsigned int Read_1302_Data(unsigned char * TimeBuffer);void Write_1302_Data(unsigned char * TimeBuffer);void Enable_1302(void);void Idle_1302(void);void Lock_1302 (void);void DS1302(unsigned char ds1302_bit,unsigned int logical_value);unsigned char bcd2bin ( unsigned char x );unsigned char bin2bcd ( unsigned char x );	unsigned int date_encoder (unsigned char * TimeBuffer);unsigned int time_encoder (unsigned char * TimeBuffer);void coder_entime (unsigned int z);void coder_endate (unsigned int z);static volatile unsigned int  *iopmod = (volatile unsigned int *) (0x3ff5000);static volatile unsigned int  *iopdata = (volatile unsigned int *) (0x3ff5008);//port pin data values//Data I/O connected to P1#define DAT_1302 2//Clock connected to P2#define CLK_1302 4//Reset* I/O connected to P3#define RST_1302 8#define LOW 0#define HIGH 1#define READ_CMD    0xbf	/* clock burst read */#define WRITE_CMD   0xbe	/* clock burst write */typedef struct {	unsigned char year;			//00=2000	unsigned char month;	unsigned char date;	unsigned char hour;	unsigned char min;	unsigned char dayOfWeek;	//sun=1   unsigned char sec;	}TIME_STRUCT;#define WEEKDAY 	1#define DATE		2#define TIME		4#define AMPM		8#define PACKED		16#define MILITARY 	32#define SECONDS		64