led.lst

基于单片机avr的led,串口模块的编程代码。

C51 COMPILER V7.06   LED                                                                   03/19/2008 09:02:12 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE LED
OBJECT MODULE PLACED IN led.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE led.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          /**********************************************************************
   2          * 文件名: led.c                                                       *
   3          * 功能：数码管上相关功能的实现                                                                    *
   4          **********************************************************************/
   5          
   6          #define NEED_LED_PROTOCOL
   7          #ifdef NEED_LED_PROTOCOL
   8          
   9          /************************************************
  10           *Header file         segment                   *
  11           ***********************************************/
  12          #include "at89x52.h"
  13          #include "LED.h"
  14          #include "DATATYPE.h"
  15          
  16          /************************************************
  17           *Globale variable    segment                   *
  18           ***********************************************/
  19          uchar key_number[16] = {0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};
  20          uchar display_bit[8]={0xFE,0xFD,0xFB,0xF7,0xEF,0xDF,0xBF,0x7F};
  21          uchar ptr_bit = 0;           
  22          uchar buffer_dis[8]; //缓冲数组
  23          
  24          /************************************************
  25           *Function definition segment                   *
  26           ***********************************************/
  27          
  28          /*******************************************************
  29          名称: 输入模块
  30          功能： 将要显示的数按位分解成单独的数，送到各自对应的缓冲区
  31          参数： long disdata
  32          返回值：无
  33          *******************************************************/
  34          void LedPrint(long disdata)    // 扫描函数 
  35          { 
  36   1          int count = 7, move_count = 0;
  37   1              while(count >= 0 )
  38   1              {
  39   2                  buffer_dis[count] = key_number[(disdata>>move_count)&0x0F];                                                                                                                                     
             - 
  40   2                      count --;
  41   2                      move_count += 4;
  42   2              }
  43   1      }
  44          
  45          /*******************************************************
  46          名称: 输出模块
  47          功能： 将显示缓冲区的数输显示在数码管上
  48          参数： 无
  49          返回值：无
  50          *******************************************************/
  51          void LedScan(void)           //显示函数
  52          { 
  53   1              if(ptr_bit < 0x08)
  54   1              {
C51 COMPILER V7.06   LED                                                                   03/19/2008 09:02:12 PAGE 2   

  55   2                  P1 = display_bit[ptr_bit];
  56   2                      P0 = buffer_dis[ptr_bit];
  57   2                      ptr_bit ++; 
  58   2              }
  59   1              else 
  60   1                  ptr_bit = 0;        
  61   1      }
  62          
  63          #endif
  64          
  65          /******************************************************************************
  66           * End of Entire File                                                         *
  67           *****************************************************************************/


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    104    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     33       6
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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