datatypes.h

modbus 源代码,RS485 通信,实现PC与RTU通信

/*******************************************************************************


               datatypes.h


********************************************************************************

   Written by:  ______

      It is hereby certified that the author of this code specified above
      has made reference only to information that is in the public domain
      or is available to FieldServer Technologies via a duly signed
      Non-Disclosure Agreement. This code is guaranteed free and clear of
      any claim upon it by any Third Party.

      The basis for this certification includes:
         (Choose one)
         Advice from officer of FST, name _____, date _____.
         Based on an analysis of products obtained from ____________. Details in CE File ______. (Customer Equipment File Log).
         General or specific industry knowledge obtained from ____.
         Non-Disclosure Agreement (NDA) between _____ and FST. Dated _____.
         Original work performed by ________________.
         Public domain data/knowledge obtained from _______.
         Specific written release signed by ______.

   Copyright (c) 1991-2003, FieldServer Technologies.
   1991 Tarob Court, Milpitas, CA 95035, USA
   [phone]

********************************************************************************

 Versions
 1.00aA  24 jul 03 EKH  Created.
 1.00aM  19 Nov 03 MdS  lead_lag.c created.

*******************************************************************************/

#if ! defined ( BYTE ) && ! defined ( _WINDEF_ )
   /* wtypes.h typedefs BYTE */
   #define   BYTE    unsigned char
   #define   UCHAR   unsigned char
   #define   CHAR    char
#endif

#if ! defined ( INT ) && ! defined ( _WINDEF_ )
   #define   INT    int
#endif

#ifndef INT16
   #define   INT8   char
   #define   INT16  short
   #define   INT32  long
#endif

#if ! defined ( UINT ) && ! defined ( _WINDEF_ )
   #define   UINT   unsigned int
#endif

#ifndef UINT16
   #define   UINT16 unsigned short
   #define   UINT32 unsigned long
#endif

#if ! defined ( FLOAT ) && ! defined ( _WINDEF_ )
   #define   FLOAT   float
   #define   DOUBLE  double
#endif

#ifndef   VOID
   #define   VOID    void
#endif

#ifndef   BIT
   #define   BIT    BYTE
#endif