步进电机(正转一圈 反转一圈)
#include "reg52.h"void delay(unsigned int t);
//Motor
sbit F1 = P1^0;
sbit F2 = P1^1;
sbit F3 = P1^2;
sbit F4 = P1^3;
unsigned char code FFW={0xfe,0xfc,0xfd,0xf9,0xfb,0xf3,0xf7,0xf6}; //反转
unsigned char code FFZ={0xf6,0xf7,0xf3,0xfb,0xf9,0xfd,0xfc,0xfe}; //正转
unsigned intK;
/**********************************************************************
* *
* 步进电机驱动 *
* *
***********************************************************************/
voidmotor_ffw()
{
unsigned char i;
unsigned intj;
for (j=0; j<12; j++) //转1*n圈
{
for (i=0; i<8; i++) //一个周期转30度
{
if(K==1) P1 = FFW&0x1f;//取数据
if(K==2) P1 = FFZ&0x1f;
delay(8); //调节转速
}
}
}
/******************************************************
*
* 延时程序
*
********************************************************/
void delay(unsigned int t)
{
unsigned int k;
while(t--)
{
for(k=0; k<80; k++)
{ }
}
}
main()
{
while(1)
{
K=1;
motor_ffw();
K=2;
motor_ffw();
}
}
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