void DisplayYear(uchar x);
void DisplayWeek(uchar x);
void dis_temp(uint t);
void read_date(void);
void turn_val(char newval,uchar flag,
uchar newaddr,uchar s1num);
void key_scan(void);
uchar code table2[]= "TUEWESTHUFRISATSUNMON";
uchar second,minute,hour,day,month,year,week,count=0;
uchar ReadValue,num,time;
uint i,j;
for(i=x;i>0;i--)
////////////////////////////////////////////////////////////
void write_com(uchar com)
void write_data(uchar date)
{
write_com(0x38);
write_com(0x0c);
write_com(0x06);
