slave_main.lst

单片机串行口的编程使用包括一些具体的设置

C51 COMPILER V7.09   SLAVE_MAIN                                                            08/24/2007 09:35:34 PAGE 1   


C51 COMPILER V7.09, COMPILATION OF MODULE SLAVE_MAIN
OBJECT MODULE PLACED IN Slave_Main.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE Slave_Main.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg51.h>
   2          
   3          #define  ADDR  0x01
   4          #define  ACK   0xff
   5          
   6          unsigned char Dat[]={0,0,0,0,0,0,0,0};
   7          
   8          //UART初始化：模式1，8位，9600Bds at 11.059MHz
   9          void InitSerial()
  10          {       
  11   1              SCON = 0x50;                                             // uart in mode 1 (8 bit), REN=1
  12   1              TMOD = TMOD | 0x20 ;       // Timer 1 in mode 2 
  13   1              TH1  = 0xFD;               // 9600 Bds at 11.059MHz 
  14   1              TL1  = 0xFD;                                       // 9600 Bds at 11.059MHz
  15   1              TR1  = 1;                                                    // Timer 1 run
  16   1              }
  17                  
  18          void main()
  19          {
  20   1              unsigned char temp,i;
  21   1              InitSerial();
  22   1              while(1)
  23   1              {
  24   2                      while(!RI);
  25   2                      RI = 0;
  26   2                      temp = SBUF;
  27   2                      if(temp == ADDR)
  28   2                      {
  29   3                              TI = 0;
  30   3                              SBUF = ACK;
  31   3                              while(!TI);
  32   3                              }
  33   2                      for(i=0;i<8;i++)
  34   2                      {
  35   3                              while(!RI);
  36   3                              RI = 0;
  37   3                              Dat[i] = SBUF;
  38   3                                      }
  39   2                      }
  40   1              }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     58    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      8    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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