51单片机串口发送程序以及仿真,方式1.发送MCU-51信号

C51 COMPILER V7.50   发送MCS－51                                                           03/14/2009 11:41:13 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE 发送MCS－51
OBJECT MODULE PLACED IN 发送MCS－51.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE 发送MCS－51.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg51.h>
   2          #define uchar unsigned char
   3          #define uint unsigned int
   4          
   5          bit FINT0;//INT0中断标志位
   6          
   7          uchar i;
   8          uint j;
   9          uchar idata trdata[20]={'z','h','e','-','A','8','8','8','8','8',0x0d,0x00};
  10          
  11          void int0_ini(){
  12   1              EA=1;               // CPU所有中断开(IE最高位MSB)
  13   1              EX0=1;              // INT0中断开
  14   1              IT0=1;              // INT1下降沿触发(为0则为低电平触发)
  15   1              
  16   1      }
  17          
  18          void serial_ini()
  19          {
  20   1              TMOD=0x20;      
  21   1              TL1=0xfd;       //波特率9600b/s
  22   1              TH1=0xfd;
  23   1              SCON=0x48;  //串口方式1
  24   1              PCON=0x00;      //
  25   1              TR1=1;
  26   1      }
  27          
  28          void int_0() interrupt 0 using 0
  29          {       
  30   1              FINT0=1;   //中断标志
  31   1      }
  32          
  33          
  34          
  35          main()
  36          {
  37   1      int0_ini();
  38   1      serial_ini();
  39   1      
  40   1      while(1)
  41   1              {
  42   2              if(FINT0)
  43   2                      {
  44   3                              i=0;
  45   3                              while(trdata[i]!=0x00)
  46   3                                      {
  47   4                                      SBUF=trdata[i];
  48   4                                      while(TI==0);
  49   4                                      TI=0;
  50   4                                      i++;
  51   4                                      }
  52   3                              FINT0=0;
  53   3      
  54   3                      }
  55   2              }
C51 COMPILER V7.50   发送MCS－51                                                           03/14/2009 11:41:13 PAGE 2   

  56   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     64    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      3    ----
   IDATA SIZE       =     20    ----
   BIT SIZE         =      1    ----
END OF MODULE INFORMATION.


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