测试.lst

74HC595芯片的单片机驱动

C51 COMPILER V9.01   瞋试                                                                  11/06/2012 17:28:17 PAGE 1   


C51 COMPILER V9.01, COMPILATION OF MODULE 瞋试
OBJECT MODULE PLACED IN 测试.OBJ
COMPILER INVOKED BY: D:\Keil\C51\BIN\C51.EXE 测试.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1                   #include <reg51.h>
   2                   sbit LATCH=P1^3;
   3                   sbit SRCLK=P1^4;
   4                   sbit SER=P1^5;
   5                   sbit LATCH2=P1^0;
   6                   sbit SRCLK2=P1^1;
   7                   sbit SER2=P1^2;
   8                  #define uchar unsigned char
   9                  #define uint unsigned int
  10                  uchar i,j,d=0;
  11                  void delay(uchar a)
  12                  {                int x=7000;
  13   1                   for (a;a>0;a--)
  14   1                            for(x;x>0;x--);
  15   1              }
  16                  void sendbyte(uchar b)
  17                   
  18                  {       
  19   1                        for(i=0;i<8;i++)
  20   1                      {
  21   2                        SRCLK=0;
  22   2                                SER=d;
  23   2                                 d=~d;
  24   2                                SRCLK=1;
  25   2                                }
  26   1                     LATCH=0;
  27   1                         delay(1);  
  28   1                         LATCH=1;    
  29   1              }
*** WARNING C280 IN LINE 16 OF 测试.C: 'b': unreferenced local variable
  30                  void send2byte(uchar c)
  31                  {          d=0;
  32   1                   for(j=0;j<15;j++)
  33   1                       {
  34   2                             SRCLK2=0;
  35   2                                 SER2=d;
  36   2                                 d=~d;
  37   2                                 SRCLK2=1;
  38   2                        }
  39   1                        LATCH2=0;
  40   1                        delay(1);
  41   1                    LATCH2=1;
  42   1              }
*** WARNING C280 IN LINE 30 OF 测试.C: 'c': unreferenced local variable
  43                  main()
  44                  {
  45   1                  sendbyte(1);
  46   1                      send2byte(1);
  47   1                      while(1);
  48   1              }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    116    ----
   CONSTANT SIZE    =   ----    ----
C51 COMPILER V9.01   瞋试                                                                  11/06/2012 17:28:17 PAGE 2   

   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      3       2
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  2 WARNING(S),  0 ERROR(S)