max7219.lst

93cxx读写驱动程序.51单片机的驱动程序

C51 COMPILER V7.09   MAX7219                                                               11/03/2005 12:31:52 PAGE 1   


C51 COMPILER V7.09, COMPILATION OF MODULE MAX7219
OBJECT MODULE PLACED IN max7219.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE max7219.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          
   2          #include "zhaobin.h"
   3          
   4          void write_max7219 (unsigned int temp_0)
   5          {
   6   1        unsigned int  temp_int;
   7   1        unsigned int  temp;
   8   1        unsigned char temp_1;
   9   1        temp=temp_0;
  10   1        load=1;   clk_max=0;     _nop_ ();   _nop_ ();   _nop_ ();
  11   1        load=0;   _nop_ ();
  12   1        for (temp_1=0;temp_1<16;temp_1++)
  13   1          {
  14   2      
  15   2               temp_int=temp&0x8000;
  16   2               if (temp_int==0x8000)  din=1;
  17   2               else din=0;
  18   2               _nop_ ();
  19   2               clk_max=1; 
  20   2               _nop_ (); _nop_ ();
  21   2               clk_max=0;
  22   2               temp=temp<<1;
  23   2               }
  24   1        load=1;  clk_max=0;
  25   1        _nop_ ();  _nop_ ();
  26   1      //  clk_max=1;
  27   1      }
  28          
  29          void init_max7219 (void)
  30          {
  31   1      //  unsigned int max_int_data;
  32   1      //  unsigned char max_data;
  33   1      //  write_max7219(0x0f00);          //Display
  34   1        write_max7219(0x0c01);          //Shutdown
  35   1      
  36   1        write_max7219(0x0b07);         //27/32
  37   1        write_max7219(0x0a0f);          //Code B decode for digits 7-0
  38   1        write_max7219(0x09ff);         //Display digits
  39   1      
  40   1      
  41   1        _nop_ ();
  42   1      
  43   1      
  44   1      //  write_max7219(0x0f00);          //Display
  45   1      }
  46          void display_sec (void)
  47          {
  48   1        unsigned char ttmp,tnmp;
  49   1        ttmp=read_sec ();
  50   1        tnmp=ttmp&0x0f;
  51   1         write_max7219 (256*8|tnmp);
  52   1        tnmp=ttmp&0x70;
  53   1        tnmp=tnmp>>4;
  54   1        tnmp=0x0f&tnmp;
  55   1         write_max7219 (256*7|tnmp);
C51 COMPILER V7.09   MAX7219                                                               11/03/2005 12:31:52 PAGE 2   

  56   1      }
  57          
  58          void display_min (void)
  59          {
  60   1        unsigned char ttmp,tnmp;
  61   1        ttmp=read_min ();
  62   1        tnmp=ttmp&0x0f;
  63   1         write_max7219 (256*5|tnmp);
  64   1        tnmp=ttmp&0x70;
  65   1        tnmp=tnmp>>4;
  66   1        tnmp=0x0f&tnmp;
  67   1         write_max7219 (256*4|tnmp);
  68   1      }
  69          
  70          void display_hour (void)
  71          {
  72   1        unsigned char ttmp,tnmp;
  73   1        ttmp=read_hour ();
  74   1        tnmp=ttmp&0x0f;
  75   1         write_max7219 (256*2|tnmp);
  76   1        tnmp=ttmp&0x70;
  77   1        tnmp=tnmp>>4;
  78   1        tnmp=0x0f&tnmp;
  79   1         write_max7219 (256*1|tnmp);
  80   1      }
  81          
  82          void display_date (void)
  83          {
  84   1        unsigned char ttmp,tnmp;
  85   1        ttmp=read_date ();
  86   1        tnmp=ttmp&0x0f;
  87   1         write_max7219 (256*8|tnmp);
  88   1        tnmp=ttmp&0x70;
  89   1        tnmp=tnmp>>4;
  90   1        tnmp=0x0f&tnmp;
  91   1         write_max7219 (256*7|tnmp);
  92   1      }
  93          
  94          void display_month (void)
  95          {
  96   1        unsigned char ttmp,tnmp;
  97   1        ttmp=read_month ();
  98   1        tnmp=ttmp&0x0f;
  99   1         write_max7219 (256*5|tnmp);
 100   1        tnmp=ttmp&0x70;
 101   1        tnmp=tnmp>>4;
 102   1        tnmp=0x0f&tnmp;
 103   1         write_max7219 (256*4|tnmp);
 104   1      }
 105          
 106          void display_year (void)
 107          {
 108   1        unsigned char ttmp,tnmp;
 109   1        ttmp=read_year ();
 110   1        tnmp=ttmp&0x0f;
 111   1         write_max7219 (256*2|tnmp);
 112   1        tnmp=ttmp&0x70;
 113   1        tnmp=tnmp>>4;
 114   1        tnmp=0x0f&tnmp;
 115   1         write_max7219 (256*1|tnmp);
 116   1      }
 117          
C51 COMPILER V7.09   MAX7219                                                               11/03/2005 12:31:52 PAGE 3   

 118          void display_day (void)
 119          {
 120   1        unsigned char ttmp,tnmp;
 121   1        ttmp=read_day ();
 122   1        tnmp=ttmp&0x0f;
 123   1         write_max7219 (0x080a);
 124   1         write_max7219 (0x070a);
 125   1         write_max7219 (0x060a);
 126   1         write_max7219 (0x050a);
 127   1         write_max7219 (256*4|ttmp);
 128   1         write_max7219 (0x030a);
 129   1         write_max7219 (0x020a);
 130   1         write_max7219 (0x010a);
 131   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    325    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       1
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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