数码管02.c

数码管实例

#include<AT89X51.h>
unsigned char i;
unsigned char j;
unsigned char m;
unsigned char n;
unsigned char p;
unsigned char code d1[]={0x9F,0x25,0x0D,0x99,0x49,0x41,0x1F,0x01,0x00}; 
unsigned char code d2[]={0x7F,0xBF,0xDF,0xEF,0xF7,0xFB,0xFD,0xFE,0x00};
unsigned char code d3[]={0X1F,0X8F,0XC7,0XE3,0X73,0X3B};
unsigned char d[8];
void delay(unsigned char t,k);
main()
{

while(1)
{

for (j=0;j<8;j++)
{
P3_0=0;
delay(3,40);
P3_0=1;
delay(3,300);
P2=d2[j];
for (i=0;i<8;i++)
{
P3_0=0;
delay(3,10);
P3_0=1;
P0=d1[i];
delay(3,100);
}
}

P0=0xFE;
for (j=0;j<8;j++)
{
P2=d2[j];
delay(3,50);
}

for (j=0;j<8;j++)
{
P2=d2[7-j];
delay(3,50);
}


for (j=0;j<8;j++)
{
P3_0=0;
delay(3,20);
P3_0=1;



P2=d2[j];
for (m=0;m<3;m++)
{
for (i=0;i<6;i++)
{
P0=d3[i];
delay(3,50);
}
}
}


P2=0x00;
for (m=0;m<5;m++)
{
for (i=0;i<6;i++)
{
P0=d3[i];
delay(3,50);
}
}







}
}

void delay(unsigned char t,k)//延时子程序
{
while(--k)
{
while(--t);
}
}