led.lst

stc-isp开发板驱动程序

C51 COMPILER V7.06   LED                                                                   09/13/2005 20:39:39 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 OMF2 BROWSE DEBUG

stmt level    source

   1          #include <config.h>
   2          
   3          #define IN_LED2
   4          
   5          #define LED_NOP() {_nop_();_nop_();_nop_();_nop_();}     //定义空指令 
   6          /*共阳极数码管低电平有效*/
   7          #define LED_A 0xf7
   8          #define LED_B 0xfb
   9          #define LED_C 0xfd
  10          #define LED_D 0xef
  11          #define LED_E 0xdf
  12          #define LED_F 0xfe
  13          #define LED_G 0xbf
  14          #define LED_0 LED_A&LED_B&LED_C&LED_D&LED_E&LED_F
  15          #define LED_1 LED_B&LED_C
  16          #define LED_2 LED_A&LED_B&LED_D&LED_E&LED_G
  17          #define LED_3 LED_A&LED_B&LED_C&LED_D&LED_G
  18          #define LED_4 LED_B&LED_C&LED_F&LED_G
  19          #define LED_5 LED_A&LED_C&LED_D&LED_F&LED_G
  20          #define LED_6 LED_A&LED_C&LED_D&LED_E&LED_F&LED_G
  21          #define LED_7 LED_A&LED_B&LED_C
  22          #define LED_8 LED_A&LED_B&LED_C&LED_D&LED_E&LED_F&LED_G
  23          #define LED_9 LED_A&LED_B&LED_C&LED_D&LED_F&LED_G
  24          
  25          unsigned char xdata LED_BUFFER[10]={LED_0,LED_1,LED_2,LED_3,LED_4,LED_5,LED_6,LED_7,LED_8,LED_9};//LED数字
             -0-9对应的16进制数 
  26          unsigned char xdata g_display_state=0x00;
  27          
  28          void  LEDdisplay_process(void)
  29          {
  30   1        if(g_timer0_100ms==0x00)  //每个一定的时间才显示一次,当然紧急显示除外
  31   1            return;
  32   1         g_timer0_100ms=0x00;
  33   1        
  34   1        switch(g_display_state)
  35   1              {case 0x00: 
  36   2                                   LED_displaynumber(authorize_number);//LED显示剩下的数目
  37   2                            break;
  38   2                       case 0x01:
  39   2                                               LED_displaynumber(exhaust_number);     //LED显示已烧写数目     
  40   2                            break;
  41   2                       default:
  42   2                    break; 
  43   2                      }          
  44   1        }
  45          
  46          
  47          void LED_displaynumber(unsigned int DISPLAY_NUM)
  48          {
  49   1       unsigned char idata ONE=0x00,TEN=0x00,HUN=0x00,THOU=0x00;
  50   1      
  51   1       ONE=DISPLAY_NUM%10;
  52   1       TEN=(DISPLAY_NUM%100)/10;
  53   1       HUN=(DISPLAY_NUM%1000)/100;
  54   1       THOU=DISPLAY_NUM/1000;
C51 COMPILER V7.06   LED                                                                   09/13/2005 20:39:39 PAGE 2   

  55   1      
  56   1       LED_display_drive(LED_BUFFER[ONE]);
  57   1       LED_display_drive(LED_BUFFER[TEN]);
  58   1       LED_display_drive(LED_BUFFER[HUN]);
  59   1       LED_display_drive(LED_BUFFER[THOU]);
  60   1       }
  61          
  62          
  63          void LED_display_drive(unsigned char NUM)
  64          {unsigned char idata i=0x00;
  65   1       LED_CLR=1;  //禁止复位
  66   1       for(i=0x00;i<0x08;i++)
  67   1          {LED_CLK=0;
  68   2               if(NUM&0x80) LED_CLD=1;
  69   2               else   LED_CLD=0;
  70   2               NUM<<=1;
  71   2               LED_CLK=1;
  72   2               LED_NOP();
  73   2               LED_CLK=0;
  74   2               LED_NOP();
  75   2               }
  76   1       }
  77          
  78          
  79          
  80          
  81          
  82          
  83          
  84          
  85          
  86          
  87          
  88          
  89          
  90          
  91          
  92          
  93          
  94          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    214    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =     11    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----       5
   BIT SIZE         =   ----    ----
   EDATA SIZE       =   ----    ----
   HDATA SIZE       =   ----    ----
   XDATA CONST SIZE =   ----    ----
   FAR CONST SIZE   =   ----    ----
END OF MODULE INFORMATION.


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