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標(biāo)題: 單片機(jī)直流電機(jī)測速+12864中文液晶顯示 Proteus仿真程序 [打印本頁]

作者: 橘貓持明 時(shí)間: 2020-6-4 18:37
標(biāo)題: 單片機(jī)直流電機(jī)測速+12864中文液晶顯示 Proteus仿真程序
仿真原理圖如下（proteus仿真工程文件可到本帖附件中下載）

單片機(jī)源程序如下:
#include <showfun.h>
#include <stdio.h>
extern char fnLCMInit(); // LCM 初始化
extern void at(unsigned char x,unsigned char y);/*設(shè)定文本x,y值*/
extern void cls();  // 清屏
extern void charout(unsigned char *str); //ASCII(8*8) 顯示函數(shù)
extern void fnSetPos(unsigned char urow, unsigned char  ucol); // 設(shè)置當(dāng)前地址
extern uchar dprintf(uchar x,uchar y,char *fmt);// ASCII(8*16) 及漢字(16*16) 顯示函數(shù)
extern uchar fnPR12(uchar uCmd); // 寫無參數(shù)的指令
extern uchar fnPR13(uchar uData); // 寫數(shù)據(jù)
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(jī)加-減速及測速系統(tǒng)");
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(shí)針轉(zhuǎn)");
dprintf(0,48,"鍵盤on/c:逆時(shí)針轉(zhuǎn)");

   dprintf(0,72,"方向:");
dprintf(0,84,"轉(zhuǎn)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(shí)針");
                           control();
      break;
   }
         case '-': {       P1_0=0;
                        dprintf(0,72,"方向: 逆時(shí)針");
                        control();
                        break;
   }
         case '=': {P1_0=1;dprintf(0,72,"方向: 順時(shí)針");break;}
         case 'c': {P1_0=0;dprintf(0,72,"方向: 逆時(shí)針");break;}
         case '/': {dprintf(0,72,"方向: 順時(shí)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(shí)針");
}
else
if(key=='c')
{  P1_0=0;
   dprintf(0,72,"方向: 逆時(shí)針");
}
else
   if(key=='*')
   { P1_1=0;
      break;
   }
   else
if(key!=0)
   break;
}
EA=0;
}

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