数码管03.c

数码管实例

#include<AT89X51.h>
unsigned char i;
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};
void delay(unsigned char t,k);
main()
{
while(1)
{
for (i=0;i<8;i++)
{
P2=d2[i];
P0=d1[i];
delay(3,3);
}




}
}

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