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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：7665  字体大小: 【小】 【中】【大】

//*************************************************
//需要用到ADC0809,我站XY806学习开发板例程（停产）
//原创：月夜听风Sidney QQ479780666  www.mcusy.cn（学习参考、转载须注明）
//有条件的朋友通过程序端口描述可完成电路制作，程序若发现BUG请指正
//*************************************************
#include
#include
#include

#define uchar unsigned char
#define uint unsigned int
#define IN0 XBYTE[0x1ff8]
#define IN1 XBYTE[0x1ff9]
#define PA8255 XBYTE[0x3ffc]
#define PB8255 XBYTE[0x3ffd]
#define PC8255 XBYTE[0x3ffe]                      
#define COM8255 XBYTE[0x3fff]
#define CW_ADD XBYTE[0x5ffc]  //写命令口
#define CR_ADD XBYTE[0x5ffd]    //读状态口
#define DW_ADD XBYTE[0x5ffe]       //写数据口              
#define DW_ADDXBYTE[0x5fff]    //读数据口
#define Busy  0x80         //忙标志,D7位为1说明忙
#define  WriteDeviceAddress 0xa0  //I2C写格式
#define  ReadDviceAddress 0xa1  //I2C读格式

void Keyscan(void);  
void Delay(uchar i);
void Tbz_send();
void Sbz_send();
void Jbz_send();
void Sbcd_send();
void Abz_send();
void CheckBusy( void);//读忙状态函数
void WriteIR(uchar CMD,uchar AttribC);//写入IR寄存器命令函数
void WriteDDR( char c );//写入DDR寄存器函数
void d_sendCGRAM(uchar *c);//造字。年。月。日
void LcdPos(uchar Xpos,uchar Ypos);//光标定位函数
void LcdReset( void );//初始化函数
void WriteChar(uchar Xpos,uchar Ypos,char c);//指定行列显示字符函数
void WriteString(uchar Xpos,uchar Ypos,char s[]);//显示字符串函数
void Lcdx(void);//Lcd显示函数
void Lcdclr();//
void Lcd_xian();
void Shbz_send();//闹钟设定函数

void DelayMs(uchar number);
void Start();
void Stop();
void Ack();    //应答格式
void NoAck();  //非应答格式
bit TestAck();  //检查应答的ACK
void Write8Bit(uchar input);//写一个字节
void Write24c02(uchar *Wdata,uchar RomAddress,  //写入I2C程序
                                                   uchar number);
uchar Read8Bit();    //读一个字节
void Read24c02(uchar *RamAddress,uchar RomAddress,  //读出I2C程序
                                                 uchar bytes) ;


bit Tbz;//调整时间启动标志
bit Jbz;//键盘输入启动标志
bit Sbz;//计算器启动标志
bit Abz;//ADC0809启动标志
bit Axbz;//Axbz=1时显示IN0 Axbz=0时显示IN1
bit Ainx;//ADC0809目前转换目标
bit Shbz;//进入闹钟设定标志
bit T05s;//0。5秒记时到标志
bit Th=1;//正在调整小时标志
bit Tm;//正在调整分钟标志
bit Yqbz=1;//操作数和被操作数选择
bit jia,jian,cheng,chu,deng,qing,xbz1,xbz2,xbz3,xbz4,xbz5,xbz6;
bit slbz=1,skbz=1;

sbit led0=P1^0;
sbit led1=P1^1;
sbit led2=P1^2;
sbit led3=P1^3;
sbit cs138=P1^6;
sbit P32=P3^2;
sbit DOG=P3^7;
sbit  SCL=P1^4;
sbit  SDA=P1^5;
uchar Jiukey,Key,s,m,jm=100,h,a,b,c,d,a1,b1,c1,d1,e1,f1,kk;
uchar day,month,year,shiji=20;


uchar ADCValue[2];//IN0，IN1数值存储区
uchar Adcx0[4];//IN1显示存储区
uchar Adcx1[4];//IN0显示存储区
uchar Sh[3];  //闹钟设置存储区
uint tmpp,ab,cd;//ji suan qi
uchar Xpos;    //LCD列方向地址指针
uchar Ypos;    //LCD行方向地址指针

uchar   code tab[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,
          0x77,0x7c,0x39,0x5e,0x79,0x71};//0~f

uchar   code tab1[]={0xbf,0x86,0xdb,0xcf,0xe6,0xed,0xfd,0x87,0xff,0xef};//0~9带小数点
          

uchar   code zm[]={0x08,0x0f,0x12,0x0f,0x0a,0x1f,0x02,0x02,
           0x0f,0x09,0x0f,0x09,0x0f,0x09,0x11,0x00,
           0x0f,0x09,0x09,0x0f,0x09,0x09,0x0f,0x00};//造字，年月日

void main(void)
{
  
  cs138=0;
  Delay(1);
  d_sendCGRAM(&zm);    //造字。年。月。日
       LcdReset();                   // LCD模块初始化
       Delay(5);                   //延是等待复位
  Read24c02(Sh,0x00,3);//读程序从0X00单元开始，读出3个字节
  COM8255=0X88;
  TMOD=0x11;                 //定时器0工作于定时方式1,定时器1工作于定时方式1
    TH0=(65536-46080)/256;
  TL0=(65536-46080)%256;  //定时时间为50MS
  TH1=(65536-9000)/256;
  TL1=(65536-9000)%256;//
  IE=0X8A;      //  EA=1;ET1=1;ET0=1;
  TR0=1;                     //计数器0开始运行
  TR1=1;         //计数器1开始运行

  

  while(1)
       {
  Keyscan();//键盘扫描程序
  Lcd_xian();//lcd显示程序
  if(Jiukey!=Key)
        {

              Jiukey=Key;
                   if(Tbz)Tbz_send();      //启动调时间函数
              else if(Sbz)Sbz_send();    //启动计算器函数
              else if(Jbz)Jbz_send();    //启动键盘函数
              else if(Abz)Abz_send();    //启动ADC转换函数
              else if(Shbz)Shbz_send();  //启动闹钟设定程序


        }
    }
}


void Keyscan()      //键盘扫描程序***********
{  
    uchar temph,templ,temp;
    COM8255=0X88;
    temph=PC8255;
    temph&=0xf0;
     COM8255=0x81;
     templ=PC8255;
     templ&=0x0f;
    temp=(temph|templ);

          switch(temp)
              {
            case 0xee:Key=0;break;
              case 0xde:Key=1;break;
                case 0xbe:Key=2;break;
                case 0x7e:Key=3;break;

            case 0xed:Key=4;break;
              case 0xdd:Key=5;break;
                case 0xbd:Key=6;break;
                case 0x7d:Key=7;break;

            case 0xeb:Key=8;break;
              case 0xdb:Key=9;break;
                case 0xbb:Key=10;break;
                case 0x7b:Key=11;break;

            case 0xe7:Key=12;break;
              case 0xd7:Key=13;break;
                case 0xb7:Key=14;break;
                case 0x77:Key=15;break;
          
           case 0xce:{Jbz=0;Jbz=0;Abz=0;Shbz=0;Tbz=1;}break;//0+1调整时间启动标志
           case 0x9e:{Tbz=0;Sbz=0;Abz=0;Shbz=0;Jbz=1;}break;//1+2键盘输入启动标志
           case 0x3e:{Jbz=0;Tbz=0;Abz=0;Shbz=0;Sbz=1;}break;//2+3计算器启动标志
           case 0xae:{Jbz=0;Jbz=0;Abz=0;Tbz=0;Shbz=1;}break;//0+2调整闹钟启动标志
           case 0x5e:{Tbz=0;Jbz=0;Sbz=0;Shbz=0;Abz=1;}break;//1+3ADC0809转换启动标志
           case 0x6e:{Tbz=0;Jbz=0;Abz=0;Sbz=0;Shbz=0;slbz=1;skbz=1;}break;//0+3全部清零显示时间
          
           default:Jiukey=Key=16;
           }


}

void Tbz_send()//调时间程序
{


      if(Key==0)kk++; //模式切换键
      else if(Key==1)//加一键
          {
          switch(kk)
              {
              case 0:{if(year==99)year=0;year++;}break;
                   case 1:{month++; if(month>12)month=0;}break;
                   case 2:{day++;if(day>30)day=0;}break;
                   case 3:{h++;if(h>23)h=0;}break;
                   case 4:{m++;if(m>59)m=0;}break;
              case 5:kk=0;break;
              }
           }

      else if(Key==2)  //减一键
          {
          switch(kk)
              {
              case 0:{if(year==0)year=99;else {year--;}}break;
                   case 1:{if(month==0)month=12;else{ month--;}}break;
                   case 2:{if(day==0)day=30;else {day--;}}break;
                   case 3:{if(h==0)h=23;else {h--;}}break;
                   case 4:{if(m==0)m=59;else {m--;}}break;
              case 6:kk=0;break;
              }
          }

  

      else if(Key==3){Tbz=0;kk=0;}//确认并返回键    
      if(kk>5)kk=0;


}


void Jbz_send()//键盘输入程序
{
  if(Jbz)        
    {
    a=b;b=c;c=d;d=Key;
    }  
}
void Sbz_send()  //计算器输入标志
{

        
  if(Key<=9)
      {
      if(Yqbz){Delay(3);ab=(ab*10);ab=(ab+Key);Sbcd_send();}  //选择操作数和被操作数
      else{Delay(3);cd=(cd*10);cd=(cd+Key);Sbcd_send();}    
      }
                
  else if(Key>9)
      {
      switch(Key)
          {
          case 10:{tmpp=0;ab=cd=0;Yqbz=1;jia=jian=cheng=chu=deng=0;Sbcd_send(); }break;          
          case 12:{Yqbz=0;jia=1;}break;
          case 13:{Yqbz=0;jian=1;}break;
          case 14:{Yqbz=0;cheng=1;}break;
          case 15:{Yqbz=0;chu=1;}break;  //
          case 11:{
              deng=1;Yqbz=1;  
              if(jia){tmpp=(ab+cd);}
              else if(jian){tmpp=(ab-cd);}
              else if(cheng){tmpp=(ab*cd);}
              else if(chu){tmpp=(ab/cd);}
              Sbcd_send();
              }break;
           }
       }

}
void Abz_send()  //ADC0809转换启动程序
{

  while(Abz)
    {

    Keyscan();
    if(Key==0)Axbz=!Axbz;  //显示IN0.IN1切换
    while(P32);
    ADCValue[0]=IN0;Sbcd_send();IN1=0;
    while(P32);
    ADCValue[1]=IN1;Sbcd_send();IN0=0;
    Delay(100);
    Lcd_xian();
    }
    
}

void Shbz_send()//闹钟设定程序

{


      if(Key==0)kk++; //模式切换键
      else if(Key==1)//加一键
          {
          switch(kk)
              {
              case 0:{if(Sh[0]>23)Sh[0]=0;Sh[0]++;}break;
                   case 1:{if(Sh[1]>59)Sh[1]=0;Sh[1]++;}break;
                   case 2:{if(Sh[2]>0)Sh[2]=0;Sh[2]=1;}break;
                   case 3:{kk=0;}break;
              }
           }

      else if(Key==2)  //减一键
          {
          switch(kk)
              {
              case 0:{if(Sh[0]==0)Sh[0]=23; Sh[0]--;}break;
                   case 1:{if(Sh[1]==0)Sh[0]=59; Sh[1]--;}break;
                   case 2:{if(Sh[2]==0)Sh[2]=1;Sh[2]=0;}break;
                   case 3:{kk=0;}break;
              }
          }

  

      else if(Key==3){Write24c02(Sh,0x00,3);}//确认并返回键//写程序从0X00单元开始，写入3个字节    
      if(kk>3)kk=0;


}


void Sbcd_send()
{    
    uint abcd,ADCzh;      
    if(Abz)//ADC显示转换区
        {
        ADCzh=ADCValue[0];
        ADCzh=(ADCzh*196);
        ADCzh/=10;
        Adcx0[4]=ADCzh%10;
        ADCzh/=10;
        Adcx0[3]=ADCzh%10;
        ADCzh/=10;
        Adcx0[2]=ADCzh%10;
        Adcx0[1]=ADCzh/10;

        ADCzh=ADCValue[1];
        ADCzh=(ADCzh*196);
        ADCzh/=10;
        Adcx1[4]=ADCzh%10;
        ADCzh/=10;
        Adcx1[3]=ADCzh%10;
        ADCzh/=10;
        Adcx1[2]=ADCzh%10;
        Adcx1[1]=ADCzh/10;
        }
    
    else{  //计算器显示转换区
        if(deng)
          {
          f1=tmpp%10;
          tmpp/=10;
          e1=tmpp%10;
          tmpp/=10;
          d1=tmpp%10;
          tmpp/=10;
          c1=tmpp%10;
          b1=tmpp/10;
      
          }
        else if(Yqbz)
          {
          abcd=ab;
          f1=abcd%10;
          abcd/=10;
          e1=abcd%10;
          abcd/=10;
          d1=abcd%10;
          abcd/=10;
          c1=abcd%10;
          b1=abcd/10;
  
          }
        else
          {
          abcd=cd;
          f1=abcd%10;
          abcd/=10;
          e1=abcd%10;
          abcd/=10;
          d1=abcd%10;
          abcd/=10;
          c1=abcd%10;
          b1=abcd/10;

          }
      }
}

/**************************I2C操作程序////
/**************************/
/**************************/

void DelayMs(uchar number)
{
  uchar temp;
  for(;number!=0;number--,DOG=!DOG)
    {
    for(temp=112;temp!=0;temp--) {}
    }
}  

/*******************启动I2C*/
void Start()
{
  SDA=1;
  SCL=1;
  SDA=0;
  SCL=0;
}

/*********************///停止I2C
void Stop()
{
  SCL=0;
  SDA=0;
  SCL=1;
  SDA=1;
}
/**********************/
void Ack()    //应答格式
{
  SDA=0;
  SCL=1;
  SCL=0;
  SDA=1;
}

/***********************/
void NoAck()    //应答格式
{
  SDA=1;
  SCL=1;
  SCL=0;
}

/*************************************/
bit TestAck()  //检查应答的ACK
{
  bit ErrorBit;
  SDA=1;
  SCL=1;
  ErrorBit=SDA;
  SCL=0;
  return(ErrorBit);
}

/*************************************/
void Write8Bit(uchar input) //写一个字节
{
  uchar temp;
  for(temp=8;temp!=0;temp--)
    {
    if(input&0x80)SDA=1;
    else SDA=0;
    SCL=1;
    SCL=0;
    input=input<<1;
    }
}

来源：微控实验网
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