接收.lst

单片机通信程序

C51 COMPILER V8.02   接收                                                                  02/22/2009 18:37:08 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE 接收
OBJECT MODULE PLACED IN 接收.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE 接收.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg52.h>
   2          #include<intrins.h>
   3          #define uchar unsigned char
   4          #define uint unsigned int
   5          sbit js=P2^0;
   6          void init(void)
   7          {
   8   1          EA=1;                      //打开CPU总中断请求
   9   1              EX0=1;                     //打开INT0中断请求   
  10   1              IT0=1;                     //设定INT0的触发方式为脉冲负边沿触发 
  11   1          TMOD=0x01;                 //定时0工作方式1
  12   1          TH0=0;
  13   1          TL0=0;
  14   1          TF0=0;
  15   1          TR0=0; 
  16   1      }
  17          /*-------------------------外部中断0子程序(解码程序)---------------------------*/
  18          void INT0_intrupt(void) interrupt 0 using 1
  19          {
  20   1              uchar i,j;
  21   1              bit BitState_2; 
  22   1                      EX0=0;                                          
  23   1              TH0=0;
  24   1              TL0=0;
  25   1              TF0=0;
  26   1              TR0=1;
  27   1              while(js==1);
  28   1              TR0=0;
  29   1                      if(TL0>18||TL0<14)  
  30   1                      goto kk;
  31   1      ///////////////////////////////接收数据///////////////////////////////////////////
  32   1                      for(i=0;i<8;i++)
  33   1                      { 
  34   2                  TH0=0;
  35   2                  TL0=0;
  36   2                  TF0=0;
  37   2                              while(js==1);
  38   2                  TR0=1;
  39   2                  while(js==1);
  40   2                  TR0=0;
  41   2                      }
  42   1      kk: EX0=1;
  43   1      }
*** WARNING C280 IN LINE 20 OF 接收.C: 'j': unreferenced local variable
*** WARNING C280 IN LINE 21 OF 接收.C: 'BitState_2': unreferenced local variable


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     88    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       1
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----       1
C51 COMPILER V8.02   接收                                                                  02/22/2009 18:37:08 PAGE 2   

END OF MODULE INFORMATION.


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