serial.lst

基于C51的通用人机界面程序

C51 COMPILER V7.08   SERIAL                                                                11/13/2005 20:33:23 PAGE 1   


C51 COMPILER V7.08, COMPILATION OF MODULE SERIAL
OBJECT MODULE PLACED IN .\output\serial.obj
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE serial.c ROM(SMALL) BROWSE DEBUG OBJECTEXTEND OBJECT(.\output\serial.obj)

line level    source

   1          #define _serial_ 
   2          #include "general.h"
   3          
   4          /*************************
   5           串口初始化
   6           波特率9600
   7           ************************/
   8          void init_com(void)
   9          {
  10   1              EA=0;
  11   1              TI=0;
  12   1              SCON=0x50; /*串口工作方式1 SM2=0,REN=1*/
  13   1              PCON=0x00;
  14   1        
  15   1              TMOD=0x20; /*定时器1工作方式2*/   /*波特率=9600bit/s*/
  16   1              TL1=0xfd;
  17   1              TH1=0xfd;
  18   1              TR1=1;
  19   1              ES=1;
  20   1              EA=1;
  21   1      }
  22          
  23          
  24          //向串口发送一个字符 
  25           
  26          void sendchar_com(unsigned char ch)  
  27          {
  28   1          SBUF=ch;
  29   1          while(TI==0);
  30   1          TI=0;
  31   1      }
  32          
  33          //向串口发送一个字符串，strlen长度 
  34          void send_string_com(unsigned char *str,unsigned int strlen)
  35          {
  36   1          unsigned int k=0;
  37   1          do 
  38   1          {
  39   2              sendchar_com(*(str + k));
  40   2              k++;
  41   2          } while(k < strlen);
  42   1      }
  43          
  44          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     77    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       5
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.

C51 COMPILER V7.08   SERIAL                                                                11/13/2005 20:33:23 PAGE 2   


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