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標題:
數碼管0~100秒程源
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作者:
heicc
時間:
2015-1-5 21:20
標題:
數碼管0~100秒程源
#include<reg52.h>
#define uint unsigned int
#define uchar unsigned char
uchar code q[10]={0x01,0x6d,0x22,0x82,0xc4,0x88,0x08,0xc3,0x00,0x80};
sbit sda=P0^2;
sbit scl=P0^3;
sbit key=P1^0;
uchar aa,a,b,c;
void write_daty(uchar x)
{
uchar i;
for(i=0;i<8;i++)
{
scl=0;
x=x<<1;
sda=CY;
scl=1;
}
}
void dalay(uchar z)
{
uchar x,y;
for(x=z;x>0;x--)
for(y=100;y>0;y--);
}
void timer0() interrupt 1
{
TH0=(65536-5000)/256;
TL0=(65536-5000)%256;
aa++;
if(aa==1)
{
c=1;
b++;
if(b==10)
{
a++;
if(a==10)a=0;
b=0;
}
}
}
void main()
{
uchar y;
TMOD=0x01;
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
EA=1;
ET0=1;
TR0=0;
y=1;
write_daty(q[0]);
write_daty(q[0]);
while(1)
{
while(y==1)
{
if(key==0)
{
dalay(5);
while(key==0)
{
while(key==0);
y=2;
TR0=1;
}
}
}
while(y==2)
{
if(c==1)
{
write_daty(q[b]);
write_daty(q[a]);
c=2;
}
while(key==0)
{
dalay(5);
while(key==0)
{
while(key==0);
y=3;
TR0=0;
}
}
}
while(y==3)
{
while(key==0)
{
dalay(5);
while(key==0)
{
while(key==0);
y=1;
a=0;
b=0;
write_daty(q[0]);
write_daty(q[0]);
}
}
}
}
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