leddisplay.lst

led驱动采用ch451驱动芯片

C51 COMPILER V8.02   LEDDISPLAY                                                            07/13/2007 10:35:44 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE LEDDISPLAY
OBJECT MODULE PLACED IN LEDDisplay.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE LEDDisplay.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg51.h>
   2          #include<intrins.h>
   3          #include"ch451.h"
   4          
   5          LEDDisplay(char MODE,uint data1)
   6          {
   7   1         uint i;
   8   1         void WriteCh451(uint da);
   9   1         void Delay();
  10   1         WriteCh451(CH451_SYSON2);
  11   1         WriteCh451(CH451_BCD);
  12   1         if(MODE==0)                //突发显示
  13   1         {   
  14   2            if(1)                   //如果条件成立时显示
  15   2            WriteCh451(data1);
  16   2          }
  17   1          if(MODE==1)               //定周期显示
  18   1          {
  19   2              for(i=0;i<100;i++);   //定时周期
  20   2              WriteCh451(data1);
  21   2          }
  22   1      }
  23          
  24          void WriteCh451(uint da)
  25          {
  26   1         uint i;
  27   1         EX1=0;               //关闭键盘中断
  28   1         CH451_LOAD=0;        //复位LOAD信号
  29   1         for(i=0;i<12;i++)
  30   1         {
  31   2            if((da&0x1)==1)
  32   2               CH451_DIN=1;
  33   2            else
  34   2               CH451_DIN=0;
  35   2            CH451_DCLK=0;
  36   2            da>>=1;
  37   2            CH451_DCLK=1;     //上升沿读取数据
  38   2          }
  39   1          CH451_LOAD=1;       //加载数据
  40   1          Delay();
  41   1          EX1=1;              //打开键盘中断
  42   1      }
  43          
  44          
  45          void Delay()
  46          {
  47   1          _nop_();
  48   1          _nop_();
  49   1      }
  50          
  51          
  52          main()
  53          {
  54   1          LEDDisplay(0,0x808)  ;
  55   1              LEDDisplay(0,0x908)  ;
C51 COMPILER V8.02   LEDDISPLAY                                                            07/13/2007 10:35:44 PAGE 2   

  56   1              LEDDisplay(0,0xa08)  ;
  57   1              LEDDisplay(0,0xb08)  ;
  58   1          LEDDisplay(0,0xc08)  ;
  59   1          LEDDisplay(0,0xd08)  ;
  60   1          LEDDisplay(0,0xe08)  ;
  61   1          LEDDisplay(0,0xf08)  ;
  62   1          //LEDDisplay(0,0x400)  ;
  63   1      }    


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    176    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       3
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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