LCD12232串行显示C51程序-EDA365

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LCD12232串行显示C51程序

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这个程序包含三个方面的知识：

1。4*4按键的部份--完成（0~9）数字键，功能键，字母键的输入；按键抬起后才能作用；

2。LCD12232的显示部份；串行显示，只用两根线，显示中英文字母及数字；

3。TTL系列芯片与CMOS系列芯片的知识，及做库；这部份还没完成；

我想第三步完成了，MM还符合一名合格的大学毕业生的；

哈！直接上代码了,下载地址：http://www.51hei.com/f/12232ch.rar

#include

#define uint unsigned int
#define uchar unsigned char

sbit SID = P0^5 ;
sbit SCK = P0^6 ;
sbit BUZ = P0^7;

sbit A0 = P3^0;
sbit A1 = P3^1;
sbit A2 = P3^2;
sbit A3 = P3^3;
sbit A4 = P3^4;
sbit A5 = P3^5;

sbit B0 = P0^0;
sbit B7 = P1^7;
sbit B6 = P1^6;
sbit B5 = P1^5;
sbit B4 = P1^4;
sbit B3 = P1^3;
sbit B2 = P1^2;

uchar Key_Select,Key_Mode;

uchar code Disp_1[]={"浙江师范大学行"};
uchar code Disp_2[]={"知学院电子信息"};
uchar code Disp_3[]={"工程08级毛梦超"};
uchar code Disp_4[]={"的毕业设计--集"};
uchar code Disp_5[]={"成电路测试系统！"};
uchar code Disp_6[]={"指导老师：丁宇"};

uchar code Disp_7[]={"请插入芯片后按"};
uchar code Disp_8[]={"确认键进行测试！"};
uchar code Disp_9[]={"请选择芯片类型："};
uchar code Disp_10[]={"1-CMOS; 2-TTL;"};
uchar code Disp_11[]={"请输入CMOS系列"};
uchar code Disp_12[]={"请输入TTL 系列"};
uchar code Disp_13[]={"IC型号："};

//-----------------Delay_*2us-------------------
void Delay_us(uchar x2us)
{
while(--x2us);
}

void Delay_ms(uint xms)
{
   uint i,j;
   for(i=xms;i>0;i--)
   for(j=122;j>0;j--)
   {}
}
//-------------4KHz-------------------
void Buz(void)
{
  uint i;
  for(i=200;i>0;i--)
  {
   BUZ=1;
   Delay_us(120);
   BUZ=0;
  }
  BUZ=0;
}
//-------------LCD Part--------------------
//LCD显示部份之写地址
//-----------------------------------------
void Lcd_Wr_Command(uchar com_data)
{
  uchar i;
  uchar i_data;
  i_data=0xf8;
  SCK=0;
  for(i=0;i<8;i++)
  {
   SID=(bit)(i_data&0x80);
   SCK=0;
   SCK=1;
   i_data=i_data<<1;
  }
  i_data=com_data;
  i_data&=0xf0;
  for(i=0;i<8;i++)
  {
   SID=(bit)(i_data&0x80);
   SCK=0;
   SCK=1;
   i_data=i_data<<1;
  }
   i_data=com_data;
   i_data<<=4;
   for(i=0;i<8;i++)
   {
   SID=(bit)(i_data&0x80);
   SCK=0;
   SCK=1;
   i_data=i_data<<1;
   }
   Delay_ms(1);
}
//-------------LCD Part--------------------
//LCD显示部份之写数据
//-----------------------------------------
void Lcd_Wr_Data(uchar com_data)
{
  uchar i;
  uchar i_data;
  i_data=0xfa;

  for(i=0;i<8;i++)
  {
   SID=(bit)(i_data&0x80);
   SCK=0;
   SCK=1;
   i_data=i_data<<1;
  }
  i_data=com_data;
  i_data&=0xf0;
  for(i=0;i<8;i++)
  {
   SID=(bit)(i_data&0x80);
   SCK=0;
   SCK=1;
   i_data=i_data<<1;
  }
   i_data=com_data;
   i_data<<=4;
   for(i=0;i<8;i++)
   {
   SID=(bit)(i_data&0x80);
   SCK=0;
   SCK=1;
   i_data=i_data<<1;
   }
   Delay_ms(1);
}
//-------------LCD Part--------------------
//LCD显示部份之初始化
//-----------------------------------------
void Lcd_init()
{
  Delay_ms(100);
  Lcd_Wr_Command(0x30);
  Delay_ms(5);
  Lcd_Wr_Command(0x02);
  Delay_ms(5);
  Lcd_Wr_Command(0x06);
  Delay_ms(5);
  Lcd_Wr_Command(0x0c);
  Delay_ms(5);
  Lcd_Wr_Command(0x01);
  Delay_ms(5);
  //Lcd_Wr_Command(0x80);
}
void Posit(uchar x,uchar y,uchar *String)
{
  uchar Posit,Addr;
  if(y==1)
  Addr=0x80;
  if(y==2)
  Addr=0x90;

  Posit=Addr+x;
  Lcd_Wr_Command(Posit);
  while(*String!='')
  {
   Lcd_Wr_Data(*String++);
   Delay_ms(250);
  }

}
//-------------------------------------------------
//4*4键盘扫描部份；按键释放后才返回键值
//------------------Key_Scan-----------------------
uchar s_scan(void)
{

  P2=0xf0;
  if((P2&0xf0)!=0xf0)
  {
   P2=0xf0;
   Delay_ms(30);
   if((P2&0xf0)!=0xf0)
   {
     P2=0xfe ; //第一列开始，逐行扫描
    if((P2&0xf0)!=0xf0)
    {
     P2&=0xf0;
     if(P2==0xe0)
     {Buz();while(!(P2==0xf0));return(16);}    //取消键
     if(P2==0xd0)
     {Buz();while(!(P2==0xf0));return(15);}    //确认键`
     if(P2==0xb0)
     {Buz();while(!(P2==0xf0));return(14);}    //选择键
     if(P2==0x70)
     {Buz();while(!(P2==0xf0));return(13);}    //测试键
    }
     P2=0xfd; //第二列开始，逐行扫描
    if((P2&0xf0)!=0xf0)
    {
     P2&=0xf0;
     if(P2==0xe0)
     {Buz();while(!(P2==0xf0));return(12);}    //“LS”字母输入键
     if(P2==0xd0)
     {Buz();while(!(P2==0xf0));return(11);}    //“CD”字母输入键
     if(P2==0xb0)
     {Buz();while(!(P2==0xf0));return(10);}    //“0”键
     if(P2==0x70)
     {Buz();while(!(P2==0xf0));return(9);}    //“9”键
    }
     P2=0xfb;    //第三列开始，逐行扫描
    if((P2&0xf0)!=0xf0)
    {
     P2&=0xf0;
     if(P2==0xe0)
     {Buz();while(!(P2==0xf0));return(8);}   //“8”键
     if(P2==0xd0)
     {Buz();while(!(P2==0xf0));return(7);}   //“7”键
     if(P2==0xb0)
     {Buz();while(!(P2==0xf0));return(6);}   //“6”键
     if(P2==0x70)
     {Buz();while(!(P2==0xf0));return(5);}   //“5”键
    }
     P2=0xf7; //第四列开始，逐行扫描
    if((P2&0xf0)!=0xf0)
    {
     P2&=0xf0;
     if(P2==0xe0)
     {Buz();while(!(P2==0xf0));return(4);} //“4”键
     if(P2==0xd0)
     {Buz();while(!(P2==0xf0));return(3);} //“3”键
     if(P2==0xb0)
     {Buz();while(!(P2==0xf0));return(2);} //“2”键
     if(P2==0x70)
     {Buz();while(!(P2==0xf0));return(1);} //“1”键
    }
   }
  }
  return 0;
}[page]
//------------------main part-----------------
//主函数部份
//-----------------------------------------
void main()
{
  uchar key_code;
  Lcd_init();
//-------------------------------
//浙江师范大学行知学院电子信息
//-------------------------------
  Posit(0,1,Disp_1);
  Posit(0,2,Disp_2);
  Delay_ms(1000);
  Lcd_Wr_Command(0x01);
  Delay_ms(5);
  Lcd_Wr_Command(0x02);
  Delay_ms(5);
//-------------------------------
//工程08级毛梦超的毕业设计-集
//-------------------------------
  Posit(0,1,Disp_3);
  Posit(0,2,Disp_4);
  Delay_ms(1000);
//-------------------------------
  Lcd_Wr_Command(0x01);
  Delay_ms(5);
  Lcd_Wr_Command(0x02);
  Delay_ms(5);
//-------------------------------
//成电路测试系统！指导老师：丁宇
//-------------------------------
  Posit(0,1,Disp_5);
  Posit(0,2,Disp_6);
  Delay_ms(5000);
//-------------------------------
  Lcd_Wr_Command(0x01);
  Delay_ms(5);
  Lcd_Wr_Command(0x02);
  Delay_ms(5);
//-------------------------------
//请插入芯片后按确认进行测试！
//-------------------------------
  Posit(0,1,Disp_7);
  Posit(0,2,Disp_8);
  Delay_ms(100);

  while(1)
  {
   key_code=s_scan();
//------------------------------------------------------
//键值处理程序，包含数字输入键和字母输入键以及功能键操作
//------------------------------------------------------
   switch(key_code)
   {
    case 1:
      {
       Lcd_Wr_Data('1');
       Delay_ms(300);
      }break;
    case 2:
      {
       Lcd_Wr_Data('2');
       Delay_ms(300);
      }break;
    case 3:
      {
       Lcd_Wr_Data('3');
         Delay_ms(300);
      }break;
    case 4:
      {
       Lcd_Wr_Data('4');
       Delay_ms(300);
      }break;
    case 5:
      {
       Lcd_Wr_Data('5');
       Delay_ms(300);
      }break;
    case 6:
      {
       Lcd_Wr_Data('6');
       Delay_ms(300);
      }break;
    case 7:
      {
       Lcd_Wr_Data('7');
       Delay_ms(300);
      }break;
    case 8:
      {
       Lcd_Wr_Data('8');
       Delay_ms(300);
      }break;
    case 9:
      {
       Lcd_Wr_Data('9');
       Delay_ms(300);
      }break;
    case 10:
      {
       Lcd_Wr_Data('0');
       Delay_ms(300);
      }break;
    case 11:
      {
       Posit(5,2,"CD");
       Delay_ms(300);

      }break;
    case 12:
      {
       Posit(5,2,"LS");
       Delay_ms(300);
      }break;

    case 13:
      {
       P3=0x00;
       if(Key_Select==1) //CMOS芯片型号CD4053
       {

       }
       if(Key_Select==2) //TTL 芯片型号74LS00
       {
         P3=0x00;
        P1=0x00;
        B4=0x00;

        B6=0;B7=0;
        B3=0;B4=0;

         if((A0&0x01)&&(A3&0x01)&&(B0&0x01)&&(B5&0x01))
         {
         Buz();
         Buz();Delay_ms(500);
         Lcd_Wr_Command(0x01);
         Posit(0,1,"测试结果：");
         Posit(4,2,"OK！");
         Buz();Delay_ms(100);
         Buz();Delay_ms(300);
         Buz();Delay_ms(500);
         Buz();Delay_ms(800);
         Buz();Delay_ms(1000);
         Buz();Delay_ms(800);
         Buz();Delay_ms(500);
         Buz();Delay_ms(300);
         Buz();Delay_ms(100);
        }
        else
        {
         Buz();
         Lcd_Wr_Command(0x01);
         Posit(0,1,"测试结果：");
         Posit(4,2,"FAIL！");
         while(Key_Select)
         {
          Buz();
         }
        }
       }
       Delay_ms(300);
      } break;

    case 14: //选择键
      {
       Key_Select++;
       if(Key_Select==1)
       {
        Lcd_Wr_Command(0x0f);
        Lcd_Wr_Command(0x90);
       }
       if(Key_Select==2)
       {
        Lcd_Wr_Command(0x0f);
        Lcd_Wr_Command(0x94);
       }
       if(Key_Select==3)
       {
        Lcd_Wr_Command(0x0c);
        Key_Select=0;
       }
       Delay_ms(300);
      }break;
    case 15: //确认键
      {
       Key_Mode++;
       if(Key_Mode==3)
       {
        Key_Mode=0;
        Key_Select=0;
        Lcd_Wr_Command(0x0c);
        Lcd_Wr_Command(0x01);
        Lcd_Wr_Command(0x02);
        Posit(0,1,Disp_7);
        Posit(0,2,Disp_8);
       }
       if(Key_Mode==1)
       {
        Lcd_Wr_Command(0x01);
        Posit(0,1,Disp_9);
        Posit(0,2,Disp_10);
       }
       if(Key_Mode==2)
       {
         if(Key_Select==1)
         {
         Lcd_Wr_Command(0x01);
        Lcd_Wr_Command(0x02);
         Posit(0,1,Disp_11);
        Posit(0,2,Disp_13);
        //Lcd_Wr_Command(0x95);
         }
         if(Key_Select==2)
          {
         Lcd_Wr_Command(0x01);
        Lcd_Wr_Command(0x02);
         Posit(0,1,Disp_12);
        Posit(0,2,Disp_13);
        //Lcd_Wr_Command(0x95);
         }
       }
       Delay_ms(300);
      }break;
    case 16: //取消键
      {
       if(Key_Select==1)
       {
        Lcd_Wr_Command(0x0c);
        Lcd_Wr_Command(0x01);
        Lcd_Wr_Command(0x02);
        Lcd_Wr_Command(0x0f);
        Posit(0,1,Disp_11);
        Posit(0,2,Disp_13);
        //Lcd_Wr_Command(0x95);
       }
       if(Key_Select==2)
       {
        Lcd_Wr_Command(0x0c);
        Lcd_Wr_Command(0x01);
        Lcd_Wr_Command(0x02);
        Lcd_Wr_Command(0x0f);
        Posit(0,1,Disp_12);
        Posit(0,2,Disp_13);
        //Lcd_Wr_Command(0x95);
       }
       Delay_ms(300);
      }break;

default:P0=0xff;
}
}
}

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