uart.lst

串行驱动实例程序

C51 COMPILER V8.02   UART                                                                  04/30/2008 23:55:31 PAGE 1   


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

line level    source

   1          #include <AT89X51.H>
   2          #include <stdio.h>
   3          void main(void)
   4          {
   5   1      char x;
   6   1      SCON = 0x50; //串口方式1,允许接收
   7   1      TMOD = 0x20; //定时器1 定时方式2
   8   1      TH1 = 0xE8; //11.0592MHz 1200 波特率
   9   1      TL1 = 0xE8;
  10   1      TI = 1;
  11   1      TR1 = 1; //启动定时器
  12   1      while(1)
  13   1      {
  14   2      printf("您好!请问唐东梅是一头猪吗（y/n）？\n"); //显示
  15   2      printf("请您输入你的答案：\n"); //显示
  16   2      scanf("%c\n",&x); //输入
  17   2      if (x =='y')
  18   2      printf("你说对了！！她确实是一头猪呢！！-_-\n"); //当X 小于Y 时
  19   2      else //当X 不小于Y 时再作判断
  20   2      {
  21   3      if (x == 'n')
  22   3      printf("你说错了！！她真的是一头猪呢！！-_-\n"); //当X 等于Y 时
  23   3      else
  24   3      printf("非标准答案。\n"); //当X 大于Y 时
  25   3      }
  26   2      }
  27   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     92    ----
   CONSTANT SIZE    =    146    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----       1
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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