proteus仿真的幾個實(shí)例教程

ID:667253 · 發(fā)表于 2019-12-18 16:28

#include <reg51.h>
#include <absacc.h>
sbit p10=P1^0;
sbit p11=P1^1;
sbit p12=P1^2;
#define UP 20
#define DOWN 30
#define STOP 40
void delay()
{
unsigned i,j,k;
for(i=0;i<0x02;i++)
for(j=0;j<0x02;j++)
for(k=0;k<0xff;k++);
}
main()
{
unsigned char temp;
while(1)
{
if(p10==0)
{
temp=UP;
P2=0xff;
delay();
}
if(p11==0)
{
temp=DOWN;
P2=0xff;
delay();
}
if(p12==0)
{
temp=STOP;
}
switch(temp)
{
case DOWN:P2=0x03;
            delay();
            delay();
            P2=0x06;
            delay();
            delay();
      P2=0x0c;
            delay();
            delay();
      P2=0x09;
            delay();
            delay();
            break;
case UP: P2=0x03;
            delay();
            delay();
            P2=0x09;
            delay();
            delay();
      P2=0x0c;
            delay();
            delay();
      P2=0x06;
            delay();
            delay();
            break;
case STOP:
         P2=0xff;
   delay();
         delay();
         break;
}
}
}

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