ee1.c

各种基本的小程序,用到了实验板中的各个功能,很有用哦!

#include<AT89x51.H>
unsigned char m;
void delay02s(void)
{
unsigned char i,j,k;
for(i=0;i<20;i++)
for(k=0;k<20;k++)
for(j=0;j<248;j++);
}
void delay(void)
{
unsigned char i,j;
for(i=0;i<20;i++)
for(j=0;j<248;j++);
}
main()
{
while(1)
{
if(P3_2==0)
delay();
if(P3_2==0)
m++;
if(m==9)
m=1;
switch(m)
{
case 1:
P1_7=1;
P1_0=0;
delay02s();
break;
case 2:
P1_0=1;
P1_1=0;
delay02s();
break;
case 3:
P1_1=1;
P1_2=0;
delay02s();
break;
case 4:
P1_2=1;
P1_3=0;
delay02s();
break;
case 5:
P1_3=1;
P1_4=0;
delay02s();
break;
case 6:
P1_4=1;
P1_5=0;
delay02s();
break;
case 7:
P1_5=1;
P1_6=0;
delay02s();
break;
case 8:
P1_7=0;
P1_6=1;
delay02s();
break;
}
}
}