rs232.lst

来自「STC89C51控制LCD显示」· LST 代码 · 共 47 行

C51 COMPILER V7.50   RS232                                                                 12/01/2007 10:47:35 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE RS232
OBJECT MODULE PLACED IN RS232.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE RS232.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg51.h>
   2          #include<stdio.h>
   3          
   4          void BPS19200();
   5          
   6          void BPS19200()
   7          {
   8   1          TH1 = 0xFA;  //22.1184M 19200 波特率
   9   1          TL1 = 0xFA;
  10   1      }
  11          
  12          void system_init(void)//系统初始化
  13          {    
  14   1          SCON = 0x50; //串口方式1,允许接收
  15   1          PCON=  0x80; // SMOD=1, 波特率加倍
  16   1          TMOD = 0x20; //定时器1 定时方式2
  17   1          TCON = 0x40; //设定时器1 开始计数
  18   1          BPS19200();
  19   1          TI = 1;
  20   1          TR1 = 1; //启动定时器
  21   1          printf("系统初始化完毕\n");
  22   1              
  23   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     35    ----
   CONSTANT SIZE    =     16    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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