Four-wire two-phase stepper motor L298 driver-EEWORLD

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/ * =
... ====================================================================================*/ #include #define uint unsigned int #define uchar unsigned char sbit a0=P1^0; //a phase 0 sbit a1=P1^1; //a phase 1 sbit en0=P1^2; //enable 1 sbit b0=P1^3; //b phase 0 sbit b1=P1^4; //b phase 1 sbit en1=P1^5; //enable 2 void yanshi(uint z); //delay function void zheng(uchar k,uchar j); //whole step void xifen(uchar k1,uchar j1); //1/2 step uchar b,num,n,num1,n1,h; void main() {     en0=1;     en1=1;     while(1)     {         xifen(10,100); //1/2 step subdivision delay 10mS 100 pulses if the step angle is 1.8 degrees, then turn 90 degrees         yanshi(4000);         zheng(15,50); //Full step delay 15mS 50 pulses if the step angle is 1.8 degrees, then turn 90 degrees         yanshi(4000);     } } //Full step, k is the delay time, j is the number of pulses void zheng(uchar k,uchar j) {     b=j/4; //One step requires 4 pulses     b=b+1;     num=0; //Counter cleared     for(b;b>0;b--)     {         if(num



    h=h+1;

    num1=0;        //计数器清0

    for(h;h>0;h--)
    {
        if(num1         {
            a0=0;
            a1=1;
            b0=1;
            b1=0;
            yanshi(k1);
            num1++;
            n1=1;
        }

        if(num1         {
            a0=0;
            a1=1;
            b0=0;
            b1=0;
            yanshi(k1);
            num1++;
            n1=2;
        }

        if(num1         {
            a0=0;
            a1=1;
            b0=0;
            b1=1;
            yanshi(k1);
            num1++;
            n1=3;
        }

        if(num1         {
            a0=0;
            a1=0;
            b0=0;
            b1=1;
            yanshi(k1);
            num1++;
            n1=4;
        }

        if(num1         {
            a0=1;
            a1=0;
            b0=0;
            b1=1;
            yanshi(k1);
            num1++;
            n1=5;
        }

        if(num1         {
            a0=1;
            a1=0;
            b0=0;
            b1=0;
            yanshi(k1);
            num1++;
            n1=6;
        }

        if(num1         {
            a0=1;
            a1=0;
            b0=1;
            b1=0;
            yanshi(k1);
            num1++;
            n1=7;
        }

        if(num1         {
            a0=0;
            a1=0;
            b0=1;
            b1=0;
            yanshi(k1);
            num1++;
            n1=0;
        }
    }
}

//延时函数
void yanshi(uint z)
{
    uint x,y;
    for(x=z;x>0;x--)
    for(y=114;y>0;y--);
}

Reference address：Four-wire two-phase stepper motor L298 driver

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