这个是数码管静态亮的程序
#include<reg52.h>
#define uint unsigned int
#define uchar unsigned char
sbit wela=P2^7;
sbit dula=P2^6;
uint i;
uchar code a[]={
0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,
0x39,0x5e,0x79,0x71};
void delay(uint n);
void main()
{
wela=1;
P0=0xc0;
wela=0;
while(1)
{
for(i=0;i<16;i++)
{
dula=1;
P0=a[i];
dula=0;
delay(1000);
}
}
}
void delay(uint n)
{
uint x,y;
for(x=n;x>0;x--)
for(y=110;y>0;y--);
} |
