test uart.lst

基于单片机的串口摄像头模块的读写C语言源程序

C51 COMPILER V8.16   TEST_UART                                                             05/23/2009 11:56:43 PAGE 1   


C51 COMPILER V8.16, COMPILATION OF MODULE TEST_UART
OBJECT MODULE PLACED IN Test UART.obj
COMPILER INVOKED BY: D:\Program Files\Keil\C51\BIN\C51.EXE SRC\Test UART.c BROWSE DEBUG OBJECTEXTEND PRINT(.\Test UART.l
                    -st) OBJECT(Test UART.obj)

line level    source

   1          #include <SST89x5xxRD2.h>
   2          #define uchar unsigned char
   3          #define uint unsigned int
   4          
   5          void init_UART()
   6          {
   7   1              SCON=0x50; //串口工作方式1，8位UART，波特率可变  
   8   1          TH2=0xFF;           
   9   1          TL2=0xDC;   //波特率:115200 晶振=11.0592MHz 
  10   1          RCAP2H=0xFF;   
  11   1          RCAP2L=0xDC; //16位自动再装入值 
  12   1      //*****************
  13   1          TCLK=1;   
  14   1          RCLK=1;   
  15   1          C_T2=0;   
  16   1          EXEN2=0; //波特率发生器工作方式
  17   1      
  18   1      //*****************
  19   1          TR2=1 ; //定时器2开始
  20   1      }
  21          /*void delay_1ms()
  22          {
  23                  uchar i;
  24                  for(i=0;i<255;i++)
  25                          ;
  26                  for(i=0;i<42;i++)
  27                          ;
  28          }
  29          
  30          void delay_ms(uchar t)
  31          {
  32                  uchar i;
  33                  for(i=0;i<t;i++)
  34                          delay_1ms();
  35          }
  36          
  37          void delay()
  38          {
  39                  uchar j,k;
  40                  for(j=0;j<255;j++)
  41                          {
  42                                  for(k=0;k<255;k++)
  43                                  {
  44                                          if(RI!=0)
  45                                          {
  46                                                  break;
  47                                          }
  48                                  }
  49                          }
  50          }*/
  51          
  52          void main()
  53          {
  54   1               uchar dat;
C51 COMPILER V8.16   TEST_UART                                                             05/23/2009 11:56:43 PAGE 2   

  55   1              init_UART();
  56   1              while(1)
  57   1              {
  58   2                      while(RI==0)
  59   2                              ;
  60   2                      dat=SBUF;
  61   2                      RI=0;
  62   2                      SBUF=dat;
  63   2                      while(TI==0)
  64   2                              ;
  65   2                      TI=0;   
  66   2              }
  67   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     45    ----
   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)