ds12c887.h

时钟芯片DS12C887的接口程序,包含读,写时钟和里面的自带存储器

#ifndef __ds12c887_H__
#define __ds12c887_H__

sbit DS12887_CS=P2;

///////////////////////////////////////////////
#define ds12887_secondt XBYTE [0xc000]
#define ds12887_seconda XBYTE [0xc001]
#define ds12887_minutet XBYTE [0xc002]
#define ds12887_minutea XBYTE [0xc003]
#define ds12887_hourt   XBYTE [0xc004]
#define ds12887_houra   XBYTE [0xc005]
#define ds12887_week	XBYTE [0xc006]
#define ds12887_date	XBYTE [0xc007]
#define ds12887_month	XBYTE [0xc008]
#define ds12887_year	XBYTE [0xc009]
#define ds12887_rega	XBYTE [0xc00a]
#define ds12887_regb	XBYTE [0xc00b]
#define ds12887_regc	XBYTE [0xc00c]
#define ds12887_regd	XBYTE [0xc00d]
#define ds12887_m1		XBYTE [0xc00e]
#define ds12887_m2		XBYTE [0xc00f]
#define ds12887_m3		XBYTE [0xc010]
#define ds12887_m4		XBYTE [0xc011]
#define ds12887_m5		XBYTE [0xc012]
#define ds12887_m6		XBYTE [0xc013]
#define ds12887_m7		XBYTE [0xc014]
#define ds12887_m8		XBYTE [0xc015]
#define ds12887_m9		XBYTE [0xc016]
#define ds12887_ma		XBYTE [0xc017]

void DS12887_init();                             //12887初始化
void DS12887_readtime(unsigned char *q);         //读12887的时间到q数组里
void DS12887_readram(unsigned char *q);                          
void DS12887_writetime(unsigned char *p);        //初定时间
void DS12887_writeram(unsigned char *p);
void DS12887_startam(unsigned char am_way);
void DS12887_stopam();
 
#endif