/******************************************************************************/
/*                                                                            */
/*  star_dundee_types.h                                                       */
/*                                                                            */
/*  This file contains the definitions of common types used by STAR-Dundee    */
/*  drivers and APIs.                                                         */
/*                                                                            */
/*  IMPORTANT NOTE: If you are experiencing compilation errors indicating     */
/*                  that U8 is already defined, for example, please add the   */
/*                  following line to your code prior to including this       */
/*                  file:                                                     */
/*                      #define NO_STAR_TYPES                                 */
/*                  Alternatively you can compile your code with a flag of    */
/*                  -DNO_STAR_TYPES.                                          */
/*                                                                            */
/*  Version 1.0, March 22nd 2007                                              */
/*                                                                            */
/*          Version 1.0 - March 22nd 2007                                     */
/*          ===========                                                       */
/*          Initial version.                                                  */
/*                                                                            */
/*  Copyright (c) 2007, Stuart Mills,                                         */
/*                      STAR-Dundee                                           */
/*                      c/o School of Computing,                              */
/*                      University of Dundee,                                 */
/*                      Dundee, DD1 4HN,                                      */
/*                      Scotland, UK.                                         */
/*              e-mail: stuart@star-dundee.com                                */
/*                                                                            */
/******************************************************************************/



#ifndef STAR_DUNDEE_TYPES
#define STAR_DUNDEE_TYPES


typedef void *star_device_handle;


#ifndef NO_STAR_TYPES

#if (defined(__linux__) || defined(LINUX) || defined(__LINUX__)) && \
	defined(__KERNEL__)

	#include <linux/types.h>

	/* Define U8, U16 and U32 in the Linux kernel */
	typedef u8	U8;
	typedef u16	U16;
	typedef u32	U32;
	
#else
	
	#include <limits.h>

	/* Define U8 */
	#if (UCHAR_MAX == 0xff)
		typedef unsigned char	U8;
	#elif (UINT_MAX == 0xff)
		typedef unsigned int	U8;
	#else
		#error "No valid definition of U8 available"
	#endif

	/* Define U16 */
	#if (USHRT_MAX == 0xffff)
		typedef unsigned short	U16;
	#elif (UINT_MAX == 0xffff)
		typedef unsigned int	U16;
	#elif (UCHAR_MAX == 0xffff)
		typedef unsigned char	U16;
	#else
		#error "No valid definition of U16 available"
	#endif

	/* Define U32 */
	#if (UINT_MAX == 0xffffffff)
		typedef unsigned int	U32;
	#elif (ULONG_MAX == 0xffffffff)
		typedef unsigned long	U32;
	#elif (USHRT_MAX == 0xffffffff)
		typedef unsigned short	U32;
	#elif (UCHAR_MAX == 0xffffffff)
		typedef unsigned char	U32;
	#else
		#error "No valid definition of U32 available"
	#endif

#endif /* Linux kernel test */
		

#endif	/* NO_STAR_TYPES */


#endif	/* STAR_DUNDEE_TYPES */