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標題: 51單片機直流電機測速+中文液晶顯示程序與Proteus仿真 [打印本頁]

作者: 哈哈哈？ 時間: 2020-6-10 21:12
標題: 51單片機直流電機測速+中文液晶顯示程序與Proteus仿真
仿真原理圖如下（proteus仿真工程文件可到本帖附件中下載）

部分源程序：
#include <showfun.h>
#include <stdio.h>

extern char fnLCMInit(); // LCM 初始化
extern void at(unsigned char x,unsigned char y);/*設定文本x,y值*/
extern void cls();       // 清屏
extern void charout(unsigned char *str); //ASCII(8*8) 顯示函數
extern void fnSetPos(unsigned char urow, unsigned char  ucol);       // 設置當前地址
extern uchar dprintf(uchar x,uchar y,char *fmt);// ASCII(8*16) 及漢字(16*16) 顯示函數
extern uchar fnPR12(uchar uCmd); // 寫無參數的指令
extern uchar fnPR13(uchar uData); // 寫數據
extern unsigned int Adc0832(unsigned char channel);
extern void Line( unsigned char x1, unsigned char y1, unsigned char x2, unsigned char y2, bit Mode);
extern void Pixel(unsigned char PointX,unsigned char PointY, bit Mode);

uchar dsp[10]={0,0,0,0,0,0,0,0,0,0,};
char abc[3]={0,0,0,};
uchar key=0;
uint a=100;
uchar n=5;
uchar count=1;
uint k1=0;

uchar GeyKey();
void delay(uchar i);
void control();

main()
{

      fnLCMInit();
      fnSetPos(0,0);
      dprintf(0,0,"直流電機加-減速及測速系統");
      dprintf(0,12,"鍵盤+:步長加速");
      dprintf(0,24,"鍵盤-:步長減速");
      dprintf(0,36,"鍵盤=:順時針轉");
      dprintf(0,48,"鍵盤on/c:逆時針轉");

   dprintf(0,72,"方向:");
         dprintf(0,84,"轉速:");

      P1_1=0;
   TMOD=0x15;
      TH1=0x3c;
      TL1=0xb0;
   TH0=0x00;
      TL0=0x00;
      ET0=1;
      ET1=1;
      TR0=1;
      TR1=1;

while(1)
      {  key=GeyKey();
   switch(key)
   { case '1': {       a=10;
                                 //sprintf(abc,"%3.2f",a/255.0);
                                    dprintf(0,96,"  5 r/min");
                              //dprintf(0,96,abc);
                              dprintf(60,96,"r/min");
                                 break;    }
            case '2': {       a=25;dprintf(0,96,"  25 r/min"); break;    }
               case '3': {       a=40; dprintf(0,96," 40 r/min"); break;    }
               case '4': {       a=55; dprintf(0,96," 60 r/min"); break;    }
               case '5': {       a=70; dprintf(0,96," 80 r/min"); break;    }
               case '6': {       a=90; dprintf(0,96,"100 r/min"); break;    }
               case '7': {       a=110; dprintf(0,96,"120 r/min"); break;    }
               case '8': {       a=130; dprintf(0,96,"135 r/min"); break;    }
               case '9': {       a=150; dprintf(0,96,"150 r/min"); break;    }
            case '+': {       dprintf(0,72,"方向: 順時針");
                                 control();
                                                            break;
                                             }
         case '-': {       P1_0=0;
                                    dprintf(0,72,"方向: 逆時針");
                                       control();
                                    break;
                                    }
         case '=': {P1_0=1;dprintf(0,72,"方向: 順時針");break;}
         case 'c': {P1_0=0;dprintf(0,72,"方向: 逆時針");break;}
         case '/': {dprintf(0,72,"方向: 順時針");
                                 control();}
               default:  break;
      }
}
}

uchar GeyKey()
{
      P1_4=0;
      P1_5=1;
      P1_6=1;
      P1_7=1;
      P3_0=1;
      P3_1=1;
      P3_2=1;
P3_3=1;
      _nop_();_nop_();
      if(!P3_0)return '7';
      if(!P3_1)return '8';
      if(!P3_2)return '9';
if(!P3_3)return '/';
      P1_4=1;
      P1_5=0;
      P1_6=1;
      P1_7=1;
      _nop_();_nop_();
      if(!P3_0)return '4';
      if(!P3_1)return '5';
      if(!P3_2)return '6';
if(!P3_3)return '*';

      P1_4=1;
      P1_5=1;
      P1_6=0;
      P1_7=1;
      _nop_();_nop_();
      if(!P3_0)return '1';
      if(!P3_1)return '2';
      if(!P3_2)return '3';
if(!P3_3)return '-';

      P1_4=1;
      P1_5=1;
      P1_6=1;
      P1_7=0;
      _nop_();_nop_();
      if(!P3_0)return 'c';
      if(!P3_1)return '0';
      if(!P3_2)return '=';
if(!P3_3)return '+';

      return 0;
}

void delay(uchar i)
{  uchar j,k;
for(;i>0;i--)
for(j=15;j>0;j--)
for(k=11;k>0;k--);
}



void time()interrupt 3
{
   TR1=0;
   count++;
   k1+=TL0;
      if(count==51)
      {
            sprintf(dsp,"%3d",k1);
               dprintf(0,108,dsp);
      dprintf(60,108,"r/min");
               count=1;
      k1=0;
   }
      TH1=0x3c;
      TL1=0xb0;
      TH0=0x00;
      TL0=0x00;
      TR1=1;

}

void control()
{
   EA=1;
         while(1)
         { if(a>=150)
            a=150;
                     if(a<=10)
                        a=10;
                     P1_1=0;
                     delay(160-a);
                     P1_1=1;
                     delay(a);
                     key=GeyKey();
                     if(key=='-') a-=n;
                     else
                        if(key=='+') a+=n;
                     else
                        if(key=='=')
                        {  P1_0=1;
                                 dprintf(0,72,"方向: 順時針");
                     }
                     else
                     if(key=='c')
                     {  P1_0=0;
                        dprintf(0,72,"方向: 逆時針");
                     }
                     else
                        if(key=='*')
                        { P1_1=0;
                           break;
                        }
                        else
                     if(key!=0)
                        break;
                     }
               EA=0;
}

全部資料51hei下載地址：

直流電機測速中文液晶顯示.zip (119.49 KB, 下載次數: 78)

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