//***************FileName:Capature.C***************//
//***************ICCAVR V6.30編譯*****************//

#include <io8535v.h>                 
#define uchar unsigned char
#define uint  unsigned int

//數(shù)碼管字型表，對(duì)應(yīng)0，1，2，3，4，5，6，7，8，9，A,B,C,D,E,F//
uchar Table[16]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,
                 0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};
uchar Read_Data[4];            //定義讀出數(shù)據(jù)

void DelayMs(uint i)           //Ms級(jí)延時(shí)，參數(shù)i為延時(shí)時(shí)間
{uint j;
 for(;i!=0;i--)
  {for(j=8000;j!=0;j--) {;}}
}

void Display(uchar *p)         //動(dòng)態(tài)顯示函數(shù)，參數(shù)p為待顯示的數(shù)組名
{uchar i,sel=0x01;           
 for(i=0;i<4;i++)
  {PORTA=sel;                  //選通最右邊的數(shù)碼管
   PORTC=0xff-Table[p[i]];     //送字型碼
   DelayMs(1);                 //顯示延時(shí)    
   sel=sel<<1;                 //移位以顯示前一位
  }
}

void Init_IO(void)             //初始化I/O口
{DDRA=0xff;                    //設(shè)置A口為推挽1輸出
 PORTA=0xff;
 DDRC=0xff;                    //設(shè)置C口為推挽1輸出             
 PORTC=0xff;
}

void Write_EEPROM(uchar Data,uint Address)
{if(EECR&0x20) DelayMs(4);
 EEARH=Address>>8;
 EEARL=Address&0x00ff;
 EEDR=Data;
 EECR=EECR|0x04;
 EECR=EECR|0x02;
 DelayMs(4);
}

uchar Read_EEPROM(uint Address)
{uchar i;
 if(EECR&0x01) DelayMs(4);
 EEARH=Address>>8;
 EEARL=Address&0x00ff;
 EECR=EECR|0x01;
 DelayMs(5);
 i=EEDR;
 return(i);
}

void main(void)
{uchar i;
 Init_IO();                    //初始化I/O口
 PORTA=0xff;                   //點(diǎn)亮以測(cè)試所有的數(shù)碼管
 PORTC=0x00;   
 DelayMs(300);                 //延時(shí)
 PORTC=0xff;                   //熄滅所有的數(shù)碼管
 for(i=0;i<4;i++)
    Write_EEPROM(5*i,i);
 for(i=0;i<4;i++)
    Read_Data[i]=Read_EEPROM(i);
 while(1)
 Display(Read_Data);
}