i2c.lst

一个倒车雷达程序

C51 COMPILER V7.09   I2C                                                                   06/22/2007 17:09:18 PAGE 1   


C51 COMPILER V7.09, COMPILATION OF MODULE I2C
OBJECT MODULE PLACED IN i2c.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE i2c.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          
   2          #include<i2c.h>
   3          
   4          void i2c_init(void)
   5          {
   6   1      I2CON=0X71;
   7   1      TMOD=0X20;
   8   1      TAMOD&=0XEF;
   9   1      TH1=TL1=128;//波特率9600
  10   1      }
  11          void i2c_start(void)
  12          {
  13   1      uchar Display_off_l=0x00;
  14   1      uchar Display_off_h=0x00;
  15   1      uchar Address_setting_l=0xF8;
  16   1      uchar Address_setting_h=0x00;
  17   1      STA=1;
  18   1      I2DAT=Address_setting_l;
  19   1      while(!SI);
  20   1      I2DAT=Address_setting_h;
  21   1      while(!SI);
  22   1      
  23   1      while(!SI);
  24   1      I2DAT=Display_off_l;
  25   1      while(!SI);
  26   1      I2DAT=Display_off_h;
  27   1      }
  28          void i2c_stop(void)
  29          {
  30   1      STO=1;
  31   1      }
  32          void write_byte_m35055(uint dataout)
  33          {
  34   1      }
*** WARNING C280 IN LINE 32 OF I2C.C: 'dataout': unreferenced local variable


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     52    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       2
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  1 WARNING(S),  0 ERROR(S)