ds1302.h

基于S3C4510的家庭网关的通讯进程程序源码

/***********************************************************
文件名：ds1302.h  ds1302实时时钟函数头文件  
功能：ds1302数据结构的定义和函数的定义
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