serial.lst

EM射频卡读写器源代码

C51 COMPILER V7.00  SERIAL                                                                 01/23/2003 15:06:45 PAGE 1   


C51 COMPILER V7.00, COMPILATION OF MODULE SERIAL
OBJECT MODULE PLACED IN Serial.OBJ
COMPILER INVOKED BY: d:\Keil7\C51\BIN\C51.EXE Serial.c ROM(SMALL) DEBUG OBJECTEXTEND

stmt level    source

   1          #include "Common.h"
   2          
   3          #define SCOMBUFNUM      20
   4          
   5          BYTE SComReceBuf[SCOMBUFNUM];
   6          BYTE SComReceHead,SComReceTail;
   7          
   8          SComm() interrupt 4 using 3
   9          {
  10   1       ES = 0;
  11   1       if(RI == 1)
  12   1       {
  13   2        RI = 0;
  14   2        SComReceBuf[SComReceTail] = SBUF;
  15   2        SComReceTail++;
  16   2        if(SComReceTail == SCOMBUFNUM) SComReceTail = 0;
  17   2       }
  18   1       ES = 1;
  19   1      }
  20          
  21          void SerialInit()
  22          {
  23   1       TMOD &= 0x0f;
  24   1       TMOD |= 0x20;
  25   1      
  26   1       SCON = 0x50;
  27   1       PCON &= 0x7f;
  28   1       TH1  = 0xf3;                   // 1200 bps
  29   1       TL1  = 0xf3;
  30   1       TR1  = 1;
  31   1      
  32   1       SComReceHead = 0;
  33   1       SComReceTail = 0;
  34   1       PS = 0;
  35   1       ES = 1;
  36   1      }
  37          
  38          void SerialSend(BYTE SendCode)
  39          {
  40   1      // TB8 = 1;                             // for multi slaver
  41   1       SBUF = SendCode;
  42   1       while(TI == 0) ;
  43   1       TI = 0;
  44   1      }
  45          
  46          BOOL SerialRece(BYTE *SBuf)
  47          {
  48   1       if(SComReceHead == SComReceTail) return FALSE;
  49   1       *SBuf = SComReceBuf[SComReceHead];
  50   1       SComReceHead++;
  51   1       if(SComReceHead == SCOMBUFNUM) SComReceHead = 0;
  52   1       return TRUE;
  53   1      }
  54          
  55          
C51 COMPILER V7.00  SERIAL                                                                 01/23/2003 15:06:45 PAGE 2   



MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    103    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     22    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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