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標題: 單片機直流電機驅(qū)動程序 [打印本頁]

作者: 15939187703 時間: 2021-7-31 08:30
標題: 單片機直流電機驅(qū)動程序
#include<reg51.h>
#define uchar unsigned char
#define uint unsigned int
sbit s1 = P1^0;
sbit s2 = P1^1;
sbit s3 = P3^0;
sbit s4 = P3^1;
sbit s5 = P3^2;//????,s1??,s2??,s3?1,s4?1
sbit a = P2^7;sbit b = P2^6;sbit c = P2^5;sbit d = P2^4;//?????????
uchar code time_counter[10][2]={{0xda,0x1c},{0xde,0xe4},{0xe1,0xec},{0xe5,0xd4},{0xe9,0xbc},  //9.7 ----1ms
                                                         {0xed,0xa4},{0xf1,0x8c},{0xf5,0x74},{0xf9,0x5c},{0xfc,0x18}};
uchar num1 = 0;//?????????
uchar num2 = 8;

char k=0;//??????,1????
char pause=1;//??????????,????1
bit flag1 = 0;//????,?????
//================================???0/1?????================================
void T0_T1_init()
{
      TMOD = 0x11;//???0/1??????1,16?????
         TH1 = time_counter[k-1][0];
      TL1 = time_counter[k-1][1];//???1,??10ms??????????
      TR1 = 0;
      ET1= 1;//??????
      EA = 1;//????
}
//================================ms?????=======================================
void delay1m(uint x)
{
uint i,j;
for(i=0;i<x;i++)    //??x?,? x ms
         for(j=0;j<120;j++); //?120 ?,?1 ms
}

//================================???=============================================
void main()
{
      T0_T1_init();
      a=b=c=d=0;
      while(1)
      {
            if(s1 == 0)
            {
                     delay1m(3);
                     if(s1 == 0)
                     {
                              flag1 = 0;//??
                     }
                     while(!s1);
            }
            if(s2 == 0 )
            {

                     delay1m(3);
                     if(s2 == 0)
                     {
                              flag1 = 1;//??
                     }
                     while(!s2);
            }
            if(s3 == 0)          //???1?
            {
                     delay1m(3);
                     if(s3 == 0)
                     {
                              k++;
                              TR1=1;
                              if(k > 10 )
                              {
                                    k = 1;
                              }
                     }
                     while(!s3);
            }
            if(s4 == 0)       //???1?
            {
                     delay1m(3);
                     if(s4 == 0)
                     {
                              k--;
                              TR1=1;
                              if(k <= 0)
                              {
                                    k = 10;
                              }
                     }
                     while(!s4);
            }
            if(s5==0)
            {
                     delay1m(3);
                     if(s5==0)
                     {
                              if(TR1==1)
                              {
                                    pause=k;
                                    k=0;
                                    TR1=0;
                                    a=b=c=d=0;
                              }
                              else if(TR1==0)
                              {
                                    k=pause;
                                    TR1=1;
                              }
                              while(!s5);
                     }
            }
      }
}
//==================================???1????,????????=====================================
void time1_interrupt()interrupt 3
{
      static num1 = 0;
      static num2 = 0;
      TH1 = time_counter[k-1][0];
      TL1 = time_counter[k-1][1];//???1,??1 ??????????
      if(flag1 == 0)//??
      {
            switch(num1)
            {
                     case 0:a = 1;b = 0;c = 0;d = 0;break;
                     case 1:a = 1;b = 1;c = 0;d = 0;break;
                     case 2:a = 0;b = 1;c = 0;d = 0;break;
                     case 3:a = 0;b = 1;c = 1;d = 0;break;
                     case 4:a = 0;b = 0;c = 1;d = 0;break;
                     case 5:a = 0;b = 0;c = 1;d = 1;break;
                     case 6:a = 0;b = 0;c = 0;d = 1;break;
                     case 7:a = 1;b = 0;c = 0;d = 1;break;
            }
            num1++;
            if(num1 == 8)num1 = 0;
      }
      else                //??
      {
            switch(num2)
            {
                     case 0:a = 1;b = 0;c = 0;d = 1;break;
                     case 1:a = 0;b = 0;c = 0;d = 1;break;
                     case 2:a = 0;b = 0;c = 1;d = 1;break;
                     case 3:a = 0;b = 0;c = 1;d = 0;break;
                     case 4:a = 0;b = 1;c = 1;d = 0;break;
                     case 5:a = 0;b = 1;c = 0;d = 0;break;
                     case 6:a = 1;b = 1;c = 0;d = 0;break;
                     case 7:a = 1;b = 0;c = 0;d = 0;break;
            }
            num2++;
            if(num2 == 8)num2 = 0;
      }
}

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