uart0.lst

89c51模拟串口通信程序。通过串口上传后下载数据。

C51 COMPILER V8.02   UART0                                                                 05/28/2007 10:17:35 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE UART0
OBJECT MODULE PLACED IN UART0.obj
COMPILER INVOKED BY: C:\Keil\C51\Bin\c51.exe F:\rs232\zk1\UART0.C PR(UART0.lst) OJ(UART0.obj) DB SB OE ROM(LARGE) SMALL 
                    -OT(6,SPEED) WL(2)

line level    source

   1          #include "reg51.h" //
   2          #define SYSCLK 11059200
   3          #define BAUDRATE 9600
   4          
   5          
   6          
   7          void UART1_Init (void);
   8          void SEND (void);
   9          void RECEIVE(void);
  10          void main (void) 
  11          {
  12   1      
  13   1         
  14   1      
  15   1         
  16   1         UART1_Init ();                      // initialize UART0
  17   1      while(1)
  18   1      {
  19   2        
  20   2         //SEND ();
  21   2        RECEIVE();
  22   2      }
  23   1      
  24   1      }
  25          
  26          
  27          
  28          void UART1_Init (void)
  29          {
  30   1         TMOD    = 0x20;                     // TMOD: timer 1, mode 2, 8-bit reload
  31   1         TH1    = -(SYSCLK/BAUDRATE/16);     // set Timer1 reload value for baudrate
  32   1         TL1    = -(SYSCLK/BAUDRATE/16);
  33   1         TR1    = 1;                         // start Timer1
  34   1                             // Timer1 uses SYSCLK as time base，T1M=1
  35   1         SCON   |= 0x50;                     // SCON1: mode 1, 8-bit UART, enable RX
  36   1         PCON   |= 0x80;                      // SMOD00 = 1
  37   1      }
  38          void SEND (void)
  39          {
  40   1      char j=2;
  41   1      for(;j<=256;j++)
  42   1         {
  43   2          SCON&=0xFD;
  44   2          SBUF=j;
  45   2              
  46   2          while (SCON!=0x52);
  47   2          SCON&=0xFD;//
  48   2          }
  49   1      }
  50          void RECEIVE(void)
  51          {
  52   1        char k[10];
  53   1        SCON&=0xFE;
  54   1        while (SCON!=0x55);    //?????????????????
C51 COMPILER V8.02   UART0                                                                 05/28/2007 10:17:35 PAGE 2   

  55   1        k[1]=SBUF;
  56   1        SCON&=0xFE;
  57   1      
  58   1      }
  59          
  60          
  61          
  62          
  63          
  64          
C51 COMPILER V8.02   UART0                                                                 05/28/2007 10:17:35 PAGE 3   

NAME                                    CLASS   MSPACE  TYPE    OFFSET  SIZE
====                                    =====   ======  ====    ======  ====


RECEIVE. . . . . . . . . . . . . . . .  PUBLIC   CODE   PROC     0000H  -----
  k. . . . . . . . . . . . . . . . . .  AUTO     DATA   ARRAY    0000H  10
main . . . . . . . . . . . . . . . . .  PUBLIC   CODE   PROC     0000H  -----
SEND . . . . . . . . . . . . . . . . .  PUBLIC   CODE   PROC     0000H  -----
  j. . . . . . . . . . . . . . . . . .  * REG *  DATA   CHAR     0007H  1
SBUF . . . . . . . . . . . . . . . . .  SFR      DATA   U_CHAR   0099H  1
PCON . . . . . . . . . . . . . . . . .  SFR      DATA   U_CHAR   0087H  1
SCON . . . . . . . . . . . . . . . . .  SFR      DATA   U_CHAR   0098H  1
TMOD . . . . . . . . . . . . . . . . .  SFR      DATA   U_CHAR   0089H  1
TH1. . . . . . . . . . . . . . . . . .  SFR      DATA   U_CHAR   008DH  1
TL1. . . . . . . . . . . . . . . . . .  SFR      DATA   U_CHAR   008BH  1
TR1. . . . . . . . . . . . . . . . . .  ABSBIT   -----  BIT      008EH  1
UART1_Init . . . . . . . . . . . . . .  PUBLIC   CODE   PROC     0000H  -----


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     78    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----      10
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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