?? text1.c
字號:
#include<absacc.h>
#include<reg51.h>
#define uchar unsigned char
#define uint unsigned int
#define IN0 XBYTE[0x7ff8]
#define IN1 XBYTE[0x7ff9]
#define IN2 XBYTE[0x7ffa]
#define IN3 XBYTE[0x7ffB]
#define IN4 XBYTE[0x7ffC]
#define IN5 XBYTE[0x7ffD]
#define IN6 XBYTE[0x7ffE]
#define IN7 XBYTE[0x7ffF]
sbit p20=P2^0;
sbit p21=P2^1;
sbit p22=P2^2;
unsigned char m=0;
uchar led[4]={0};
sbit EOC=P3^2;
uchar xdata *addr=0x7ff8;
uchar code tv[]={0xfe,0xfd,0xfb,0xf7};
uchar code duanxian[]={0x3f,0x06,0x5b,0x4f, 0x66,0x6d,0x7d,0x07,0x7f,0x6f};
void ledxianshi(void);
void delay(uchar j);
uchar b[8]=0;
main()
{ uchar i;
for(i=0;i<8;i++)
{
*(addr+i)=i;
delay(120);
b[i]=*(addr+i);
delay(120);
}
while(1)
{
ledxianshi();
}
}
void delay(uchar j) //延時程序
{
uint i;
for(i=0;i<j;i++)
for(i=0;i<150;i++);
}
void ledxianshi(void) //顯示模塊
{
unsigned char i,temp;
unsigned char a[8],e[8],c[8];
for(i=0;i<8;i++)
{
temp=b[i];
a[i]=temp/100;
e[i]=(temp%100)/10;
c[i]=(temp%100)%10;
for(i=0;i<8;i++)
{ P1= duanxian[a[i]];
p22=0;
delay(5);
p22=1;
P1=duanxian[e[i]];
p21=0;
delay(5);
p21=1;
P1=duanxian[c[i]];
p20=0;
delay(5);
p20=1;
delay(80);
} }
}
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