#include<reg51.h>
#define uchar unsigned char
#define uint unsigned int
sbit e=P2^0;
sbit rw=P2^1;
sbit rs=P2^2;
sbit sas=P2^6;
sbit srw=P3^6;
sbit scs=P2^7;
sbit sds=P3^7;
uchar fen,shi,miao;
void yanshi(uint x)
{
uchar y,s;
for(y=x;y>0;y--)
for(s=110;s>0;s--);
}
void zhiling(uchar x)
{
rs=0;
rw=0;
e=0;
P1=x;
yanshi(5);
e=1;
yanshi(5);
e=0;
}
void shuju(uchar x)
{
rs=1;
rw=0;
e=0;
P1=x;
yanshi(5);
e=1;
yanshi(5);
e=0;
}
void chushi()
{
zhiling(0x38);
zhiling(0x0c);
zhiling(0x06);
zhiling(0x80);
zhiling(0x01);
zhiling(0x80+0x40+11);
shuju(':');
zhiling(0x80+0x40+8);
shuju(':');
}
void msf(uchar x,y)
{
uchar ge,shi;
ge=x%10;
shi=x/10;
zhiling(0x80+0x40+y);
shuju(0x30+shi);
shuju(0x30+ge);
}
void xieshi(uchar x,y)//寫ds12887
{
scs=0;
srw=1;
sds=1;
sas=1;
P0=x;
sas=0;
srw=0;
P0=y;
srw=1;
sas=1;
scs=1;
}
uchar dushi(uchar x) //讀12887
{
uchar y;
scs=0;
srw=1;
sds=1;
sas=1;
P0=x;
sas=0;
sds=0;
P0=0xff;
y=P0;
sds=1;
sas=1;
scs=1;
return y;
}
void main()
{
chushi();
xieshi(0x0b,0x02);
xieshi(0x0a,0x20);
while(1)
{
miao=dushi(0);
fen=dushi(2);
shi=dushi(4);
msf(miao,12);
msf(fen,9);
msf(shi,6);
}
}
|
QQ好友和群
QQ空間
騰訊微博
騰訊朋友
收藏
淘帖
頂
踩
