两灯闪烁.c

11H490

#include<AT89X51.H>
void main(void)
{
unsigned int a;
unsigned char b;
do
{
for(a=0;a<65535;a++);
P1_0 = 0;
P1_0 = 1;
for(a=0;a<30000;a++);
for(b=0;b<255;b++)
P1_1 = 0;
P1_1 = 1;
for(a=0;a<30000;a++);
}
while(1);
}