hc595.lst

51单片机驱动2相步进电机程序。 keil 开发软件。

C51 COMPILER V8.15   HC595                                                                 11/08/2008 21:01:35 PAGE 1   


C51 COMPILER V8.15, COMPILATION OF MODULE HC595
OBJECT MODULE PLACED IN .\OBJ\HC595.obj
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE SRC\HC595.c BROWSE DEBUG OBJECTEXTEND PRINT(.\LST\HC595.lst) OBJECT(.\OBJ\H
                    -C595.obj)

line level    source

   1          #include  "config.h"
   2          //#include  "HC595.h" 
   3          /***********************************************************/   
   4          #define HC595_DAT   P1_0         //14脚
   5          #define HC595_CLK   P1_2         //11脚
   6          #define HC595_RCLK  P1_1         //12脚
   7          
   8          #include <INTRINS.H>
   9          #define nop() _nop_();_nop_(); 
  10          
  11          bit HC595_SET=1;
  12          
  13          unsigned char code tab[]={0X3F,0X06,0X5B,0X4F,0X66,0X6D,0X7D,0X07,0X7F,0X6F,0x00,0x40,0x5C};//字码  
  14          //unsigned char code tab[]={0x3F,0x30,0x5B,0x79,0x74,0x6D,0x6F,0x38,0x7F,0x7D,0x00,0x40,0x5C};  //倒转
  15          extern  uint8   display[];  
  16          
  17           /***********************************************************/
  18          void sendbyte1(unsigned char byte)
  19          {    
  20   1              unsigned char num,c; 
  21   1              num=~(tab[byte]); 
  22   1         for(c=0;c<8;c++)
  23   1              {
  24   2                       HC595_CLK=0;
  25   2                       HC595_DAT=num&0x80;
  26   2                       num=num<<1;
  27   2                       
  28   2                       HC595_CLK=1;
  29   2               }  
  30   1      }  
  31          /***********************************************************/
  32          void out595(void)
  33          {
  34   1              HC595_RCLK=0;
  35   1              nop();
  36   1              HC595_RCLK=1;
  37   1      } 
  38          
  39          /***************************************************************/
  40          //595显示：chu－显示个数。 
  41          /***************************************************************/
  42          //void display_595(uint8 chu) 
  43          void display_595(void) 
  44          { 
  45   1              sendbyte1(display[0] );          //0 
  46   1              sendbyte1(display[5]);           //5
  47   1              sendbyte1(display[6]);           //6
  48   1              sendbyte1(display[7]);           //7
  49   1              sendbyte1(display[8]);           //8
  50   1              sendbyte1(display[9]);           //9 
  51   1              sendbyte1(display[4] );          //4
  52   1              sendbyte1(display[3] );          //3
  53   1              sendbyte1(display[2] );          //2
  54   1              sendbyte1(display[1] );          //1  
C51 COMPILER V8.15   HC595                                                                 11/08/2008 21:01:35 PAGE 2   

  55   1       
  56   1              out595();                                       //锁存
  57   1      } 
  58           


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     86    ----
   CONSTANT SIZE    =     13    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =      1    ----
END OF MODULE INFORMATION.


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