#ifdef XDmain
    #define XD_EXT

#else
    #define XD_EXT extern

#endif

XD_EXT uchar syserr;


XD_EXT uchar txd_buf[70];	//用于通過串口向PC機傳送讀寫數(shù)據(jù)及狀態(tài)



extern void txdpo(uchar *txdbuf, uchar a);





//-------------以下函數(shù)供其它程序調(diào)用-------------------------------------------
extern void wt24c(uchar *p_rsc, uint ad_dst, uint num);     //把數(shù)據(jù)寫入24cxx
extern void rd24c(uchar *p_dst, uint ad_rsc, uint num);     //從24cxx讀出數(shù)據(jù)
//------------------------------------------------------------------------------

//-----毫秒級延時;包含于delay.lib--------------
extern void tms(uchar t);
//---------------------------------------------

extern void setreg_m16(void);	//初始化cpu