7219.lst

7219驱动程序 其中包括7219的个寄存器地址功能及用法

C51 COMPILER V7.00  7219                                                                   10/08/2008 21:48:02 PAGE 1   


C51 COMPILER V7.00, COMPILATION OF MODULE 7219
OBJECT MODULE PLACED IN 7219.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE 7219.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #include <at89x51.h>
   2          #include <intrins.h>
   3          sbit DIN=P1^0;
   4          sbit LOAD=P1^1;
   5          sbit CLK=P1^2;
   6          
   7          #define D0 0x01
   8          #define D1 0x02
   9          #define D2 0x03
  10          #define D3 0x04
  11          #define D4 0x05
  12          #define D5 0x06
  13          #define D6 0x07
  14          #define D7 0x08
  15          
  16          #define DecodeMode 0x09
  17          #define Intensity 0x0a
  18          #define ScanLimit 0x0b
  19          #define ShutDown 0x0c
  20          #define DisplayTest 0x0f
  21          
  22          #define ShutDownMode 0x00
  23          #define NormalOperation 0x01
  24          #define DecodeDight 0xff
  25          #define IntensityGrade 0x0a
  26          #define ScanDight 0x07
  27          #define TestMode 0x01
  28          #define TestEnd 0x00
  29          unsigned char data DisBuffer[8]={0,0,0,0,0,0,0,0};
  30          unsigned char code display_list[]={0x7e,0x30,0x6d,0x79,0x33,0x5b,0x5f,0x70,0x7f,0x7b,
  31                                          /* 0     1    2    3    4    5    6    7    8    9    */
  32                                                                          0x77,0x1f,0x4e,0x3d,0x4f,0x47,0x67,0x3e,0xff,0x00};
  33                                                                          /*A  B     C    D    E     F   P    U    all  none*/
  34          
  35          void delay(unsigned char count)
  36          {
  37   1          unsigned char j,k;
  38   1              while(count--)
  39   1              {
  40   2                      for(j=43;j;j--)
  41   2                      for(k=73;k;k--);
  42   2              }
  43   1      }
  44          
  45          void sendchar(unsigned char ch)
  46          {
  47   1          unsigned char i,temp;
  48   1              _nop_();
  49   1              for(i=0;i<8;i++)
  50   1              {
  51   2                      temp=ch&0x80;
  52   2                      ch=ch<<1;
  53   2                      if(temp)
  54   2                      {
  55   3                              DIN=1;
C51 COMPILER V7.00  7219                                                                   10/08/2008 21:48:02 PAGE 2   

  56   3                              CLK=0;
  57   3                              CLK=1;
  58   3                      }
  59   2                      else
  60   2                      {
  61   3                              DIN=0;
  62   3                              CLK=0;
  63   3                              CLK=1;
  64   3                      }
  65   2              }
  66   1      }
  67          
  68          
  69          void sendword(unsigned char addr,unsigned char num)
  70          {
  71   1              LOAD=0;
  72   1      //      _nop_();
  73   1              sendchar(addr);
  74   1      //      _nop_();
  75   1              sendchar(num);
  76   1      //      _nop_();
  77   1              LOAD=1;
  78   1      }
  79          
  80          void init7219(void )
  81          {
  82   1              sendword(ScanLimit,ScanDight);
  83   1              sendword(DecodeMode,DecodeDight);
  84   1              sendword(Intensity,IntensityGrade);
  85   1              sendword(ShutDown,NormalOperation);
  86   1      }
  87          
  88          void initmain(void)
  89          {
  90   1              IE=0x00;
  91   1              IP=0x00;
  92   1              TH0=0xd8;TL0=0xf0;
  93   1              TMOD=0x01;
  94   1              TCON=0x11;
  95   1              PSW=0x00;
  96   1      }
  97          
  98          void main(void)
  99          {
 100   1              initmain();
 101   1              init7219();
 102   1              sendword(DisplayTest,TestMode);
 103   1              delay(0x64);
 104   1              delay(0x64);
 105   1              sendword(DisplayTest,TestEnd);
 106   1              while(1)
 107   1              {
 108   2                      unsigned char i,j;
 109   2                      for(i=0;i<=9;i++)
 110   2                      {
 111   3                              delay(0x64);
 112   3                              delay(0x64);
 113   3                              init7219();
 114   3                              for(j=0;j<8;j++)
 115   3                              DisBuffer[j]=i;
 116   3                              for(j=1;j<=8;j++)
 117   3                              sendword(j,DisBuffer[j-1]);
C51 COMPILER V7.00  7219                                                                   10/08/2008 21:48:02 PAGE 3   

 118   3                       }
 119   2               }
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 147   1       }
 148          
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MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    202    ----
   CONSTANT SIZE    =     20    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      8       2
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  0 WARNING(S),  0 ERROR(S)