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20黑幣
單片機(jī)源碼
#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
#define MotorData P2 //步進(jìn)電機(jī)控制接口定義
sbit A=P1^0;
sbit F=P1^1;
uchar phasecw[4] ={0x40,0x20,0x10,0x08};//正轉(zhuǎn) 電機(jī)導(dǎo)通相序 D-C-B-A
uchar phaseccw[4]={0x08,0x10,0x20,0x40};//反轉(zhuǎn) 電機(jī)導(dǎo)通相序 A-B-C-D
//ms延時(shí)函數(shù) j
void Delay_xms(uint x)
{
uint i,j;
for(i=0;i<x;i++)
for(j=0;j<112;j++);
}
//順時(shí)針轉(zhuǎn)動(dòng)
void MotorCW(void)
{
uchar i;
for(i=0;i<4;i++)
{
MotorData=phasecw[ i];
Delay_xms(4);//轉(zhuǎn)速調(diào)節(jié)
}
}
//逆時(shí)針轉(zhuǎn)動(dòng)
void MotorCCW(void)
{
uchar i;
for(i=0;i<4;i++)
{
MotorData=phaseccw[ i];
Delay_xms(4);//轉(zhuǎn)速調(diào)節(jié)
}
}
//停止轉(zhuǎn)動(dòng)
void MotorStop(void)
{
MotorData=0x00;
}
//主函數(shù)
void main(void)
{
uint i;
Delay_xms(50);//等待系統(tǒng)穩(wěn)定
while(1)
{
if(A==0) //想在這設(shè)個(gè) 停止函數(shù) 就讓他轉(zhuǎn)兩圈就不再轉(zhuǎn) 等待下一次指令
{
for(i=0;i<500;i++)
{
MotorCW(); //順時(shí)針轉(zhuǎn)動(dòng)
}
MotorStop(); //停止轉(zhuǎn)動(dòng)
Delay_xms(500);
}
else if (F==0)
{
for(i=0;i<500;i++)
{
MotorCCW(); //逆時(shí)針轉(zhuǎn)動(dòng)
}
MotorStop(); //停止轉(zhuǎn)動(dòng)
Delay_xms(500);
}
}
}
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