步进电机控制程序(c语言+51单片机)

                set_display_num();
                P0 = 0xf0;
                P0 = P0 | LEDBuf[0] ;
                led_1000  = 0;
                P0 |= 0xf0;

                P0 = 0xf0;
                P0 = P0 | LEDBuf[1] ;
                led_100   = 0;
                P0 |= 0xf0;

                P0 = 0xf0;
                P0 = P0 | LEDBuf[2] ;
                led_10    = 0;
                P0 |= 0xf0;

                P0 = 0xf0;
                P0 = P0 | LEDBuf[3] ;
                led_1     = 0;
                P0 |= 0xf0;

                P0 = 0xf0;
            }
            if ( round_num >= set_round_num  ) Dj_stop();
        }
    EA = 0x81;
}

void display(){
     uchar i;
     uint tmp = 0;
     tmp = round_num  / Chilun_Num ;
     set_display_num();
     for(i = 0; i < LEDLen ; i ++){
           P0 = 0xf0;
           P0 = P0 | LEDBuf[i] ;
           if(i==0) led_1000  = 0;        //P0^4
           if(i==1) led_100   = 0;        //P0^5
           if(i==2) led_10    = 0;        //P0^6
           if(i==3) led_1     = 0;        //P0^7
           P0 |= 0xf0;
     }
     P0 = 0xf0;
}

void read_num(){
     /* 读播码盘 到 set_round_num  ，set_PWM_width  */
     uchar tmp;
     P2 =  0xFF;
     P2 =  0xEF;    // 1110 1111
     delay ( 1ms  );
     tmp =   ~(P2  | 0xF0);

     P2 =  0xDF;    // 1101 1111
     delay ( 1ms  );
     tmp = (~(P2 | 0xF0 )) * 10   + tmp;
     set_round_num = tmp;

     P2 =  0xBF;    // 1011 1111
     delay ( 1ms  );
     tmp = (~(P2 | 0xF0));

     P2 =  0x7F;    // 0111 1111
     delay ( 1ms  );
     tmp = (~(P2 | 0xF0)) * 10 + tmp;

     set_round_num = set_round_num  + tmp * 100;
     set_round_num = set_round_num  * Chilun_Num;

     P2 =  0xFF;
     P1 =  0xbF;    // 0111 1111
     delay ( 1ms );
     tmp =   ~(P2  | 0xF0) ;

     P1  =  0xFF;
     P2  =  0xFF;
     P1 &=  0x7F;    // 1011 1111
     delay ( 1ms );
     tmp = (~(P2 | 0xF0)) * 10 + tmp ;
     set_pwm_width = tmp ;

     P1  = 0xFF;
     P2  = 0xFF;
}

void  fx_run(){
    #define f_Delay_time 180
    while ( bujin_fx_stop ) {   /* 反向 回车 直到 传感器 动作*/
        P1 =  0xf3;                   //0011
        delay ( f_Delay_time );
        P1 =  0xf6;                   //0110
        delay ( f_Delay_time );
        P1 =  0xfc;                   //1100
        delay ( f_Delay_time );
        P1 =  0xf9;                   //1001
        delay ( f_Delay_time );
    }
    P1 = 0xff;
}

上一页  [1] [2] 

本文关键字：单片机  步进电机  C语言  源码-程序，单片机-工控设备 - 源码-程序