chuangkou.lst

矩阵键盘串口发送与接受

C51 COMPILER V9.00   CHUANGKOU                                                             02/22/2013 10:56:45 PAGE 1   


C51 COMPILER V9.00, COMPILATION OF MODULE CHUANGKOU
OBJECT MODULE PLACED IN chuangkou.OBJ
COMPILER INVOKED BY: D:\keil\C51\BIN\C51.EXE chuangkou.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1           #include"reg51.h"
   2          void init()
   3          {
   4   1              TMOD = 0x20;                    // 定时器1工作于8位自动重载模式, 用于产生波特率
   5   1              TH1=TL1=0xFD;                           // 波特率9600   
   6   1              SCON = 0x50;                    // 设定串行口工作方式1 允许接收
   7   1              PCON =0x00;                     // 波特率不倍增
   8   1              TR1 = 1;                                // 启动定时器1
   9   1       }
  10            void send_char(unsigned char txd)
  11          // 传送一个字符
  12          {
  13   1              SBUF = txd;
  14   1              while(!TI);                             // 等特数据传送
  15   1              TI = 0;                                 // 清除数据传送标志
  16   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     26    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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