#include <includes.h>

/*----------------------------------------------------------*/


#include <intrins.h>

/*--------------------------------------------------*/
sbit dis_DIN=P3^0;           /*顯示串行數(shù)據(jù)輸入端*/
sbit dis_LOAD=P1^0;          /*顯示數(shù)據(jù)鎖存端*/
sbit dis_CLK=P3^1;           /*顯示時鐘輸入端*/

#define NoOp   0x00         /*空操作*/
#define Digit0 0x01         /*數(shù)碼管1*/
#define Digit1 0x02         /*數(shù)碼管2*/
#define Digit2 0x03         /*數(shù)碼管3*/
#define Digit3 0x04         /*數(shù)碼管4*/
#define Digit4 0x05         /*數(shù)碼管5*/
#define Digit5 0x06         /*數(shù)碼管6*/
#define Digit6 0x07         /*數(shù)碼管7*/
#define Digit7 0x08         /*數(shù)碼管8*/
#define DecodeMode 0x09     /*譯碼模式*/
#define Intensity 0x0a     /*亮度*/
#define ScanLimit 0x0b      /*掃描界限*/
#define ShutDown 0x0c       /*掉電模式*/
#define DisplayTest 0x0f    /*顯示測試*/

#define ShutdownMode 0x00      /*掉電方式工作*/
#define NormalOperation 0x01   /*正常操作方式*/

#define DecodeDigit 0xff       /*譯碼位數(shù)設置*/

#define IntensityGrade 0x0f7    /*顯示亮度級別設置*/

#define ScanDigit 0x07         /*掃描位數(shù)設置*/

#define TestMode 0x01          /*顯示測試方式*/
#define TextEnd 0x00           /*顯示測試結(jié)束，正常工作*/


unsigned char data DisBuffer[8]={0,0,0,0,0,0,0,0};    /*顯示緩存區(qū)*/

 
unsigned char code dispaly_list[]=
    { 
0x7e,0x30,0x6d,0x79,0x33,0x5b,0x5f,0x70,0x7f,0x7b,    /*0,1,2,3,4,5,6,7,8,9*/
      0x77,0x1f,0x4e,0x3d,0x4f,0x47,0x67,0x3e,0xff,0x00};   /*A,B,C,D,E,F,P,U,全
亮,全滅*/



/*--------------------------------------------------------
                   10ms延時子程序
---------------------------------------------------------*/

void delayX10ms(unsigned char count)
     {
      unsigned char j,k;
      while(count--!=0)
        {
         for(j=0;j<43;j++)
           for(k=0;k<73;k++)
           ;
        }
     }

/*-------------------------------------------------
                向MAX7219寫入字節(jié)（8位）
--------------------------------------------------*/
void SendChar (unsigned char ch)
   {
    unsigned char i,temp;
    _nop_();
    for (i=0;i<8;i++)
       {
           temp=ch&0x80;
           ch=ch<<1;
           if(temp)
          {
           dis_DIN=1;
           dis_CLK=0;
           dis_CLK=1;
          }
        else
          {
           dis_DIN=0;
           dis_CLK=0;
           dis_CLK=1;
          }
       }
   }

/*-------------------------------------------------
               向MAX7219寫入字（16位）
-------------------------------------------------*/
void WriteWord (unsigned char addr,unsigned char num)
   {
    dis_LOAD=0;
    _nop_();
    SendChar (addr);
    _nop_();
    SendChar (num);
    _nop_();
    dis_LOAD=1;
   }

/*-------------------------------------------------
                 MAX7219初始化
-------------------------------------------------*/
void InitDis (void)
   {
    WriteWord (ScanLimit,ScanDigit);         /*設置掃描界限*/
    WriteWord (DecodeMode,DecodeDigit);      /*設置譯碼模式*/
    WriteWord (Intensity,IntensityGrade);    /*設置亮度*/
    WriteWord (ShutDown,NormalOperation);    /*設置電源工作模式*/
   }

/*-------------------------------------------------
                    系統(tǒng)上電初始化
-------------------------------------------------*/
void InitMain (void)
   {
    IE=0x00;    /*設置中斷允許寄存器*/
    IP=0x00;    /*設置中斷優(yōu)先級管理寄存器*/
    TH0=0xd8;   /*設定時器初值，10ms*/
    TL0=0xf0;
    TMOD=0x01;  /*T1 定時器模式2，波特率發(fā)生器，T0 定時器模式1*/
    TCON=0x11;  /*設置定時器控制寄存器,INT0設置為邊沿觸發(fā)方式*/
    PSW=0x00;
   }

/*-------------------------------------------------
                    顯示函數(shù)
-------------------------------------------------*/
 void main(void)
 {
 InitMain ();
   InitDis ();
   
 WriteWord (DisplayTest,TestMode);
      delayX10ms(0x64);
       
   WriteWord (DisplayTest,TextEnd);

   
  while(1)
            {
             unsigned char i;
             for (i=9;i<=9;i--)
                {
               delayX10ms(0x64);
            
                 InitDis ();
               DisBuffer[0]=i;
               DisBuffer[1]=i;
               DisBuffer[2]=i;
               DisBuffer[3]=i;
               DisBuffer[4]=i;
               DisBuffer[5]=i;
               DisBuffer[6]=i;
               DisBuffer[7]=i;
               
               WriteWord (Digit0,DisBuffer[0]);
               WriteWord (Digit1,DisBuffer[1]);
               WriteWord (Digit2,DisBuffer[2]);
               WriteWord (Digit3,DisBuffer[3]);
               WriteWord (Digit4,DisBuffer[4]);
               WriteWord (Digit5,DisBuffer[5]);
               WriteWord (Digit6,DisBuffer[6]);
               WriteWord (Digit7,DisBuffer[7]);
              }

          }



	 }