#include <STC89C5xRC.H>
#include <INTRINS.H>
void Delay500ms() //@12.000MHz
{
unsigned char i, j, k;
_nop_();
i = 4;
j = 205;
k = 187;
do
{
do
{
while (--k);
} while (--j);
} while (--i);
}
void main()
{
while(1)
{
P2=0XFE;//1111 1110
Delay500ms();
P2=0XFD;//1111 1101
Delay500ms();
P2=0XFB;//1111 1011
Delay500ms();
P2=0XF7;//1111 0111
Delay500ms();
P2=0XEF;//1110 1111
Delay500ms();
P2=0XDF;//1101 1111
Delay500ms();
P2=0XBF;//1011 1111
Delay500ms();
P2=0X7E;//0111 1111
Delay500ms();
}
}
标签:P2,1111,0111,--,STC89C52,51,3LED,Delay500ms,while From: https://blog.51cto.com/u_15865347/6024113