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键盘+可调时钟+计算器+I2C闹钟(ADC0809扩展)
作者:月夜听风 来源:微控实验网  发布时间：2009/3/10  阅读次数：7632  字体大小: 【小】 【中】【大】

/****************************************/
void Write24c02(uchar *Wdata,uchar RomAddress,  //写入I2C程序
                                                   uchar number)
{
  Start();            //开始条件
  Write8Bit(WriteDeviceAddress);  //写8位设备地址
  TestAck();            
  Write8Bit(RomAddress);
  TestAck();
  for(;number!=0;number--)
  {
    Write8Bit(*Wdata);
    TestAck();
    Wdata++;
  }
  Stop();
  DelayMs(10);
}

/***************************************************/
uchar Read8Bit()    //读一个字节
  {
  uchar temp,rbyte=0;
  for(temp=8;temp!=0;temp--)
    {
    SCL=1;
    rbyte=rbyte<<1;
    if(SDA)rbyte|=0x01;
    else rbyte|=0x00;
    SCL=0;
    }
  return(rbyte);
}

void Read24c02(uchar *RamAddress,uchar RomAddress,  //读出I2C程序
                                                 uchar bytes)
{
  Start();
  Write8Bit(WriteDeviceAddress);
  TestAck();
  Write8Bit(RomAddress);
  TestAck();
  Start();
  Write8Bit(ReadDviceAddress);
  TestAck();
  while(bytes!=0)
  {
  *RamAddress=Read8Bit();
  Ack();          //应答
  RamAddress++;
  bytes--;
  }
  *RamAddress=Read8Bit();
  NoAck();        //非应答
  Stop();          //结束条件
}
/**************************///

//lcd
//以下是读忙状态函数
// 功能:在正常读写操作之前检测LCD模块的忙状态,
//D7 = 0:LCD控制器空闲;D7 = 1:LCD控制器忙
void CheckBusy( void )
{   
  CR_ADD=0XFF;                     //P0口写1
  Delay(1);
  while(CR_ADD&Busy );//若D7=1,则DataPort&Busy=1,说明忙,等待

}
//以下是写入IR寄存器命令函数
//功能:向LCD模块写入命令字符CMD
//若 AttribC = 1 检测忙信号,若 AttribC = 0 不检测忙信号
void WriteIR(uchar CMD,uchar AttribC)
  {
  if (AttribC) CheckBusy();//若AttribC =1,则检测忙信号,否则,顺序执行
  CW_ADD=CMD;

}
//以下是写入DDR寄存器函数
//功能:在当前光标位置显示一个字符
void WriteDDR( char c )
{
  CheckBusy();
  DW_ADD=c;        //数据发送

}
void d_sendCGRAM(uchar *c)
{
  uchar i;
  WriteIR(0x40,1);           //造字。年。月。日
  for(i=0;i<24;i++)
  {
  WriteDDR(*c++);
  }
}
//以下是光标定位函数
void LcdPos(uchar Xpos,uchar Ypos)
{
  uchar tmop;       //定义tmp为指令码
  Xpos&=0x0f;  //16xx型液晶的范围是0~15
  Ypos&=0x01;  //Y的范围是0~1
  tmop=Xpos;
  if(Ypos==1)                    
  tmop|=0xc0;                     //若Ypos为1（显示第2行），地址码+0xc0
  tmop|=0x80;                   //若Ypos为0（显示第1行），地址码+0x80
  WriteIR(tmop,0);
}
//以下是初始化函数
//功能:向LCD模块写入不同命令,完成必要的初始化过程
void LcdReset( void )
{
       WriteIR( 0x38,0);   //功能设置指令,8位接口,显示2行,5×7字符
  WriteIR( 0x38,1);  //设置显示模式(以后均检测忙信号)
       WriteIR( 0x08,1);  //显示开关控制指令,显示关闭
       WriteIR( 0x01,1);  //清屏指令,将DDRAM数据全部填入"空白"
  WriteIR( 0x06,1);  //输入方式设置指令,字符不动,光标自动右移一格
  WriteIR( 0x0f,1);  //显示开关控制指令,显示器开,光标开,光标闪烁
}
//以下是在指定行列显示字符函数
void WriteChar(uchar Xpos,uchar Ypos,char c)//Xpos=0(第1列),Ypos=1(第2行)
{
        LcdPos(Xpos,Ypos);
      WriteDDR(c);
}
//以下是显示字符串函数
void WriteString(uchar Xpos,uchar Ypos,char s[])
{
uchar p=0;
  for(;;)
   {
WriteChar(Xpos,Ypos,s[p]);
     p++;
     if(s[p]==0)
           break;
     if(++Xpos>=16)             //每行最多显示16个字符
    { Xpos=0;                   //如果一行显示不完,则转到下一行或上一行的第一个字符
     Ypos^=1;}               //如果一行显示不完,则转到下一行或上一行显示
   }
}
/************************/
/************************/
/************************/
void Lcd_xian()
{  
  uchar tmp;
  uchar sd[]="IN0: .     V           IN1: .     V           ";
  if(Sbz)//计算器启动显示
      {
        if(skbz)
          {
          skbz=0;
          WriteIR( 0x01,1);  //清屏指令,将DDRAM数据全部填入"空白"
               
          }
      
        if(xbz2){WriteChar(11,1,(0x30|b1));}else{WriteChar(11,1,' ');}
        if(xbz3){WriteChar(12,1,(0x30|c1));}else{WriteChar(12,1,' ');}
        if(xbz4){WriteChar(13,1,(0x30|d1));}else{WriteChar(13,1,' ');}
        if(xbz5){WriteChar(14,1,(0x30|e1));}else{WriteChar(14,1,' ');}
                  if(xbz6){WriteChar(15,1,(0x30|f1));}
      }
     else  if(Tbz)//调时钟显示标志
      {
       switch(kk)
          {case 0:{tmp=(m/10);  WriteChar(3,1,(0x30|tmp));tmp=(m%10);WriteChar(4,1,(0x30|tmp));  
              if(T05s)
                {tmp=(year/10);  WriteChar(2,0,(0x30|tmp));tmp=(year%10);WriteChar(3,0,(0x30|tmp));}
              else{WriteChar(2,0,' ');WriteChar(3,0,' ');}
              }break;  
           case 1:{tmp=(year/10);  WriteChar(2,0,(0x30|tmp));tmp=(year%10);WriteChar(3,0,(0x30|tmp));WriteChar(4,0,0x00);//year  
              if(T05s)
                {tmp=(month/10);  WriteChar(5,0,(0x30|tmp));tmp=(month%10);WriteChar(6,0,(0x30|tmp));}
              else{WriteChar(5,0,' ');WriteChar(6,0,' ');}
              }break;  
           case 2:{tmp=(month/10);  WriteChar(5,0,(0x30|tmp));tmp=(month%10);WriteChar(6,0,(0x30|tmp));WriteChar(7,0,0x01);//月  
              if(T05s)
                {tmp=(day/10);  WriteChar(8,0,(0x30|tmp));tmp=(day%10);WriteChar(9,0,(0x30|tmp));}
              else{WriteChar(8,0,' ');WriteChar(9,0,' ');}
              }break;  
           case 3:{tmp=(day/10);  WriteChar(8,0,(0x30|tmp));tmp=(day%10);WriteChar(9,0,(0x30|tmp));WriteChar(10,0,0x02);//日  
              if(T05s)
                {tmp=(h/10);  WriteChar(0,1,(0x30|tmp));tmp=(h%10);WriteChar(1,1,(0x30|tmp));}
              else{WriteChar(0,1,' ');WriteChar(1,1,' ');}
              }break;  
           case 4:{tmp=(h/10);  WriteChar(0,1,(0x30|tmp));tmp=(h%10);WriteChar(1,1,(0x30|tmp));WriteChar(2,1,':');  
              if(T05s)
                {tmp=(m/10);WriteChar(3,1,(0x30|tmp));tmp=(m%10);WriteChar(4,1,(0x30|tmp));}
              else{WriteChar(3,1,' ');WriteChar(4,1,' ');}
              }break;
           case 5:{tmp=(m/10);WriteChar(3,1,(0x30|tmp));tmp=(m%10);WriteChar(4,1,(0x30|tmp));}break;
              
               }

           }
     else  if(Jbz)//键盘输入标志
      {
        if(skbz)
          {
          skbz=0;
          WriteIR( 0x01,1);  //清屏指令,将DDRAM数据全部填入"空白"
               
          }
        WriteChar(12,1,(0x30|a));
        WriteChar(13,1,(0x30|b));
        WriteChar(14,1,(0x30|c));
        WriteChar(15,1,(0x30|d));
       }
  else if(Abz)//ADC0809启动显示程序
      {
        if(skbz)
          {
          skbz=0;TR1=0;
          WriteIR( 0x01,1);  //清屏指令,将DDRAM数据全部填入"空白"
           WriteString(0,0,sd);
               
          }

        tmp=Adcx0[1];WriteChar(4,0,(0x30|tmp));
              WriteChar(5,0,'.');
        tmp=Adcx0[2];WriteChar(6,0,(0x30|tmp));
        tmp=Adcx0[3];WriteChar(7,0,(0x30|tmp));
        tmp=Adcx0[4];WriteChar(8,0,(0x30|tmp));
        
        tmp=Adcx1[1];WriteChar(4,1,(0x30|tmp));
              WriteChar(5,1,'.');
        tmp=Adcx1[2];WriteChar(6,1,(0x30|tmp));
        tmp=Adcx1[3];WriteChar(7,1,(0x30|tmp));
        tmp=Adcx1[4];WriteChar(8,1,(0x30|tmp));
        TR1=1;                   //延是等待复位
      }

  else if(Shbz)//闹钟显示程序
      {
        if(skbz)
          {
          skbz=0;TR1=0;
          WriteIR( 0x01,1);  //清屏指令,将DDRAM数据全部填入"空白"
          tmp=Sh[0];tmp/=10;WriteChar(0,1,(0x30|tmp));tmp=Sh[0];tmp%=10;WriteChar(1,1,(0x30|tmp));
          WriteChar(2,1,':');
          tmp=Sh[1];tmp/=10;WriteChar(3,1,(0x30|tmp));tmp=Sh[1];tmp%=10;WriteChar(4,1,(0x30|tmp));
          TR1=1;
               }

         switch(kk)      
          {
          case 0:{
              if(T05s)
                {
                tmp=Sh[0];tmp/=10;WriteChar(0,1,(0x30|tmp));tmp=Sh[0];tmp%=10;WriteChar(1,1,(0x30|tmp));}
              else{WriteChar(0,1,' ');WriteChar(1,1,' ');}
              }break;  
           case 1:{tmp=Sh[0];tmp/=10;WriteChar(0,1,(0x30|tmp));tmp=Sh[0];tmp%=10;WriteChar(1,1,(0x30|tmp));WriteChar(2,1,':');  
              if(T05s)
                {
                tmp=Sh[1];tmp/=10;WriteChar(3,1,(0x30|tmp));tmp=Sh[1];tmp%=10;WriteChar(4,1,(0x30|tmp));}
              else{WriteChar(3,1,' ');WriteChar(4,1,' ');}
              }break;  
           case 2:{tmp=Sh[1];tmp/=10;WriteChar(3,1,(0x30|tmp));tmp=Sh[1];tmp%=10;WriteChar(4,1,(0x30|tmp));  
                  tmp=Sh[2];
                  if(tmp!=0)          
                    {
                   WriteChar(13,1,'O');
                   WriteChar(14,1,'N');
                  WriteChar(15,1,' ');
                    }
                  else
                    {
                   WriteChar(13,1,'O');
                   WriteChar(14,1,'F');
                   WriteChar(15,1,'F');
                    }
              }break;  
    
          }

           

      }

       else//时钟显示
      {
        if(slbz)    
          {
          TR1=0;
          slbz=0;
          WriteIR( 0x01,1);  //清屏指令,将DDRAM数据全部填入"空白"
          TR1=1;
          }
        else if(Key==0){jm=61;Delay(1);}
         if(jm!=m)
          {
          jm=m;
          tmp=(shiji/10);  WriteChar(0,0,(0x30|tmp));//
          tmp=(shiji%10);  WriteChar(1,0,(0x30|tmp));//
          tmp=(year/10);  WriteChar(2,0,(0x30|tmp));//
          tmp=(year%10);  WriteChar(3,0,(0x30|tmp));//
          WriteChar(4,0,0x00);//Xpos=4(第5列),Ypos=0(第1行)年
          tmp=(month/10);  WriteChar(5,0,(0x30|tmp));//
          tmp=(month%10);  WriteChar(6,0,(0x30|tmp));//
          WriteChar(7,0,0x01);//Xpos=7(第8列),Ypos=0(第1行)月
          tmp=(day/10);  WriteChar(8,0,(0x30|tmp));//
          tmp=(day%10);  WriteChar(9,0,(0x30|tmp));//
          WriteChar(10,0,0x02);//Xpos=10(第11列),Ypos=0(第1行)日
          tmp=(h/10);    WriteChar(0,1,(0x30|tmp));//
          tmp=(h%10);    WriteChar(1,1,(0x30|tmp));
          tmp=(m/10);    WriteChar(3,1,(0x30|tmp));
          tmp=(m%10);    WriteChar(4,1,(0x30|tmp));
          tmp=Sh[2];if(tmp!=0)
                  {
                   WriteChar(13,1,'O');
                   WriteChar(14,1,'N');
                  WriteChar(15,1,' ');
                  if((Sh[0]==h)&(Sh[1]==m))WriteChar(14,0,'$');else WriteChar(14,0,' ');
                  }
                 else{
                  WriteChar(13,1,'O');
                   WriteChar(14,1,'F');
                   WriteChar(15,1,'F');
                  }                  
                       


          }
  
          if(T05s){WriteChar(2,1,' ');}else{ WriteChar(2,1,':');}  //
             tmp=(s/10);          //
          WriteChar(6,1,(0x30|tmp));
          tmp=(s%10);  
          WriteChar(7,1,(0x30|tmp));

      }

}
            
//延时程序
void Delay(uchar i)           //延时程序,i是形式参数
{
  uchar j;
  while(i--)                         //变量i由实际参数传入一个值,因此i不能赋初值
  for(j=0;j<125;j++);

}

//以下是定时/计数器1中断函数
void timer1() interrupt 3
{
  uchar tmp;

  TR1=0;
    TH1=(65536-9000)/256;
  TL1=(65536-9000)%256;  //定时时间
  if(Sbz)//计算器启动显示
      {
        if(b1!=0){xbz2=1;xbz3=1;xbz4=1;xbz5=1;xbz6=1;}
        else if(c1!=0){xbz2=0;xbz3=1;xbz4=1;xbz5=1;xbz6=1;}  
        else if(d1!=0){xbz2=0;xbz3=0;xbz4=1;xbz5=1;xbz6=1;}
        else if(e1!=0){xbz2=0;xbz3=0;xbz4=0;xbz5=1;xbz6=1;}
             else {xbz2=0;xbz3=0;xbz4=0;xbz5=0;xbz6=1;}
        
        if(xbz3){tmp=tab[c1];PB8255=tmp;led0=1;Delay(2);led0=0;}
        if(xbz4){tmp=tab[d1];PB8255=tmp;led1=1;Delay(2);led1=0;}
        if(xbz5){tmp=tab[e1];PB8255=tmp;led2=1;Delay(2);led2=0;}
        if(xbz6){tmp=tab[f1];PB8255=tmp;led3=1;Delay(2);led3=0;}    
      }
     else  if(Tbz)//调时钟显示标志
      {

        tmp=tab[h/10];if(kk==3){if(T05s)tmp=0;}PB8255=tmp;led0=1;Delay(2);led0=0;
        tmp=tab[h%10];if(kk==3){if(T05s)tmp=0;}PB8255=tmp;led1=1;Delay(2);led1=0;
        tmp=tab[m/10];if(kk==4){if(T05s)tmp=0;}PB8255=tmp;led2=1;Delay(2);led2=0;
        tmp=tab[m%10];if(kk==4){if(T05s)tmp=0;}PB8255=tmp;led3=1;Delay(2);led3=0;
           }
     else  if(Jbz)//键盘输入标志
      {
        PB8255=tab[a];led0=1;Delay(2);led0=0;
        PB8255=tab[b];led1=1;Delay(2);led1=0;
        PB8255=tab[c];led2=1;Delay(2);led2=0;
        PB8255=tab[d];led3=1;Delay(2);led3=0;
       }
  else if(Abz)//ADC0809启动显示程序
      {  

      
        if(Axbz)  //in0 huo in1
        {              
        tmp=Adcx0[1];tmp=tab1[tmp];PB8255=tmp;led0=1;Delay(2);led0=0;
        tmp=Adcx0[2];tmp=tab[tmp];PB8255=tmp;led1=1;Delay(2);led1=0;
        tmp=Adcx0[3];tmp=tab[tmp];PB8255=tmp;led2=1;Delay(2);led2=0;
        tmp=Adcx0[4];tmp=tab[tmp];PB8255=tmp;led3=1;Delay(2);led3=0;
        }
      else{        
        tmp=Adcx1[1];tmp=tab1[tmp];PB8255=tmp;led0=1;Delay(2);led0=0;
        tmp=Adcx1[2];tmp=tab[tmp];PB8255=tmp;led1=1;Delay(2);led1=0;
        tmp=Adcx1[3];tmp=tab[tmp];PB8255=tmp;led2=1;Delay(2);led2=0;
        tmp=Adcx1[4];tmp=tab[tmp];PB8255=tmp;led3=1;Delay(2);led3=0;
        }      

      }
     else  if(Shbz)//调时钟显示标志
      {

    tmp=Sh[0];tmp=tab[tmp/10];if(kk==0){if(T05s)tmp=0;}PB8255=tmp;led0=1;Delay(2);led0=0;
    tmp=Sh[0];tmp=tab[tmp%10];if(kk==0){if(T05s)tmp=0;}PB8255=tmp;led1=1;Delay(2);led1=0;
    tmp=Sh[1];tmp=tab[tmp/10];if(kk==1){if(T05s)tmp=0;}PB8255=tmp;led2=1;Delay(2);led2=0;
    tmp=Sh[1];tmp=tab[tmp%10];if(kk==1){if(T05s)tmp=0;}PB8255=tmp;led3=1;Delay(2);led3=0;
           }

  

       else//时钟显示
      {

        tmp=tab[h/10];PB8255=tmp;led0=1;Delay(2);led0=0;tmp=(h/10);  
        tmp=tab[h%10];if(T05s){tmp=(tmp|0x80);}PB8255=tmp;led1=1;Delay(2);led1=0;
        tmp=tab[m/10];PB8255=tmp;led2=1;Delay(2);led2=0;
        tmp=tab[m%10];PB8255=tmp;led3=1;Delay(2);led3=0;
      }
  TR1=1;
}

//以下是定时/计数器0中断函数
void timer0() interrupt 1 using 1
{  
static  uchar a;

    TH0=(65536-46075)/256;
  TL0=(65536-46075)%256;  //定时时间为50MS
  a++;
  if(a>9)T05s=1;
   if(a>19){s++;a=0;T05s=0;}// 20*50ms=1000ms=1s
   if(s>59){m++;s=0;}
   if(m>59){h++;m=0;}
   if(h>23){h=0;day++;}
   if(day>30){day=0;month++;}
   if(month>12){month=0;year++;}
   if(year>99)year=0;
}

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