标题:
ULN2003驱动步进电机程序
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作者:
123321gjx
时间:
2021-4-27 17:55
标题:
ULN2003驱动步进电机程序
#include <reg52.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=0X00;
delay();
}
if(p11==0)
{
temp=DOWN;
P2=0X00;
delay();
}
if(p12==0)
{
temp=STOP;
}
switch(temp)
{
case DOWN : P2=0X01;
delay();
delay();
P2=0X02;
delay();
delay();
P2=0X04;
delay();
delay();
P2=0X08;
delay();
delay();
break;
case UP : P2=0X08;
delay();
delay();
P2=0X04;
delay();
delay();
P2=0X02;
delay();
delay();
P2=0X01;
delay();
delay();
break;
case STOP :
P2=0X00;
delay();
delay();
break;
}
}
}
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