max7219.lst

TS12864液晶驱动

C51 COMPILER V8.02   MAX7219                                                               07/26/2008 19:16:15 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE MAX7219
OBJECT MODULE PLACED IN max7219.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\c51.exe max7219.c DB OE BR

line level    source

   1          #include"max7219.h"
   2          
   3          /************************************************************************************
   4                 code of funtions
   5          ************************************************************************************/
   6          
   7          void Write_Max7219_byte(unsigned char temp)
   8          {
   9   1              unsigned char i;
  10   1              for (i=0;i<8;i++)     
  11   1              { 
  12   2                      CLK=LOW;
  13   2                              DIN=(bit)(temp&MSB);      
  14   2                              temp<<=1;
  15   2                      CLK=HIGH;
  16   2              }
  17   1      }
  18          
  19          void Write_Max7219(unsigned char address,unsigned char dat)
  20          { 
  21   1              LOAD=LOW;
  22   1                      Write_Max7219_byte(address); 
  23   1                      Write_Max7219_byte(dat);        
  24   1              LOAD=HIGH;             
  25   1      }
  26          
  27          void Init_Max7219(void)      
  28          { 
  29   1              Write_Max7219(SHUTDOWN, 0x01);//Normal Operation
  30   1              Write_Max7219(DISPLAY_TEST, 0x00);//Normal Operation
  31   1              Write_Max7219(DECODE_MODE, 0xff);//Code B decode for digits 7-0
  32   1              Write_Max7219(SCAN_LIMIT, 0x07);//Display digits 7-0
  33   1              Write_Max7219(INTENSITY, 0x02);//Duty Cycle 9/32
  34   1      }
  35          
  36          void Show_Max7219(unsigned int left,unsigned int right) reentrant
  37          {
  38   1         unsigned char i,digit_l,digit_r;  
  39   1      
  40   1         for(i=8;i>4;i--)
  41   1         {
  42   2                 digit_l=left%10;
  43   2                 Write_Max7219(i-4,digit_l);
  44   2                 left/=10;
  45   2                       
  46   2                 digit_r=right%10;
  47   2                 Write_Max7219(i,digit_r);
  48   2                 right/=10;
  49   2          }
  50   1      }
  51          
  52          void Byte_Max7219(unsigned char byte_data)
  53          {
  54   1              unsigned char i,digit;
  55   1      
C51 COMPILER V8.02   MAX7219                                                               07/26/2008 19:16:15 PAGE 2   

  56   1              for(i=8;i>0;i--)
  57   1              {
  58   2                      digit=byte_data%10;
  59   2                      Write_Max7219(i,digit);
  60   2                      byte_data/=10;
  61   2              }
  62   1      }
  63          
  64          void Regprint_Max7219(unsigned char byte_data)
  65          {
  66   1              unsigned char i,reg_bit,test_bit=0x01;
  67   1      
  68   1              for(i=8;i>0;i--)
  69   1              {
  70   2                      reg_bit=byte_data&test_bit;
  71   2                      Write_Max7219(i,reg_bit);
  72   2                      byte_data=byte_data>>1;
  73   2              }
  74   1      }
  75          
  76          void Interger_Max7219(unsigned long int interger) reentrant
  77          {
  78   1              unsigned char i,digit;  
  79   1      
  80   1              for(i=8;i>0;i--)
  81   1              {
  82   2                      digit=interger%10;
  83   2                      Write_Max7219(i,digit);
  84   2                      interger/=10;
  85   2          }
  86   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    376    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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