diff options
Diffstat (limited to 'c/mbglib/include/words.h')
| -rw-r--r-- | c/mbglib/include/words.h | 192 |
1 files changed, 167 insertions, 25 deletions
diff --git a/c/mbglib/include/words.h b/c/mbglib/include/words.h index 9597b8a..ab77508 100644 --- a/c/mbglib/include/words.h +++ b/c/mbglib/include/words.h @@ -1,7 +1,7 @@ /************************************************************************** * - * $Id: words.h 1.9 2003/02/07 11:36:54Z MARTIN TRASH $ + * $Id: words.h 1.16 2008/12/05 12:05:41Z martin REL_M $ * * Copyright (c) Meinberg Funkuhren, Bad Pyrmont, Germany * @@ -10,7 +10,27 @@ * * ----------------------------------------------------------------------- * $Log: words.h $ - * Revision 1.9 2003/02/07 11:36:54Z MARTIN + * Revision 1.16 2008/12/05 12:05:41Z martin + * Define dummy int64_t/uint64_t types for targets + * which don't support 64 bit data types. + * Revision 1.15 2008/07/14 14:44:00Z martin + * Use fixed size C99 types which come with GCC and newer Borland compilers. + * Revision 1.14 2008/01/30 10:27:50Z martin + * Moved some macro definitions here. + * Revision 1.13 2007/03/08 15:00:30Z martin + * Fixed incompatibility of macro _IS_MBG_FIRMWARE. + * Added a workaround for _IS_MBG_FIRMWARE under CVI. + * Support for BSD. + * Revision 1.12 2006/12/15 10:45:46 martin + * Added macro _IS_MBG_FIRMWARE. + * Cleanup for Linux, QNX, and Watcom C. + * Include mbg_tgt.h for non-firmware targets. + * Revision 1.11 2004/11/10 10:45:34 martin + * Added C99 fixed-type handling for QNX. + * Revision 1.10 2004/11/09 13:12:56 martin + * Redefined C99 integer types with fixed sizes as standard types + * if required, depending on the environment. + * Revision 1.9 2003/02/07 11:36:54 MARTIN * New macros _hilo_16() and _hilo_32() for endian conversion. * Revision 1.8 2002/05/28 10:09:54 MARTIN * Added new macros _var_bswap16() and _var_bswap32(). @@ -36,6 +56,30 @@ /* Other headers to be included */ + +#if defined( _CVI ) + // This is a hack for CVI which seems to be unable + // to handle recursive preprocessor symbols. + #define _IS_MBG_FIRMWARE 0 +#endif + +#if !defined( _IS_MBG_FIRMWARE ) + + #define _IS_MBG_FIRMWARE \ + ( \ + defined( _C166 ) || \ + defined( _CC51 ) || \ + defined( __ARM ) \ + ) + + +#endif + +#if !_IS_MBG_FIRMWARE + #include <mbg_tgt.h> +#endif + + #ifdef _WORDS #define _ext #else @@ -45,15 +89,125 @@ /* Start of header body */ -typedef unsigned char uchar; -#if defined( __linux ) - #ifdef __KERNEL__ +// Check whether the target system supports C99 fixed-size types. + +#if defined( MBG_TGT_LINUX ) // any Linux target + + #if defined( __KERNEL__ ) #include <linux/types.h> #else + #include <stdint.h> #include <sys/types.h> #endif + + #define _C99_BIT_TYPES_DEFINED 1 + +#elif defined( MBG_TGT_BSD ) + + #include <sys/types.h> + + #define _C99_BIT_TYPES_DEFINED 1 + +#elif defined( MBG_TGT_QNX ) // QNX 4.x or QNX 6.x + + #if defined( MBG_TGT_QNX_NTO ) // QNX 6.x (Neutrino) with gcc + #include <stdint.h> + #else // QNX 4.x with Watcom C 10.6 + #include <sys/types.h> // 64 bit types not supported + #endif + + #define _C99_BIT_TYPES_DEFINED 1 + +#endif + + +// If it's not yet clear whether fixed-size types are supported, +// check the build environment which may be multi-platform. + +#if !defined( _C99_BIT_TYPES_DEFINED ) + + #if defined( __WATCOMC__ ) + #if __WATCOMC__ > 1230 // Open Watcom C 1.3 and above + #include <stdint.h> + #define _C99_BIT_TYPES_DEFINED 1 + #elif defined( __WATCOM_INT64__ ) // Watcom C 11, non-QNX + typedef __int64 int64_t; + typedef unsigned __int64 uint64_t; + + #define _C99_BIT_TYPES_DEFINED 1 + #endif + #endif + + #if defined( __BORLANDC__ ) + #if ( __BORLANDC__ >= 0x570 ) // at least Borland Developer Studio 2006 + #define _C99_BIT_TYPES_DEFINED 1 + #endif + #endif + + #if defined( __GNUC__ ) + #include <stdint.h> + #define _C99_BIT_TYPES_DEFINED 1 + #endif + +#endif + + +// If neither the target system nor the build environment define C99 fixed-size +// types define those types based on standard types with the proper sizes +// commonly used in 16/32 bit environments. + +#if defined( _C99_BIT_TYPES_DEFINED ) + + #define MBG_TGT_HAS_64BIT_TYPES 1 + #else + + typedef char int8_t; + typedef unsigned char uint8_t; + + typedef short int16_t; + typedef unsigned short uint16_t; + + typedef long int32_t; + typedef unsigned long uint32_t; + + + #if defined( MBG_TGT_WIN32 ) + + typedef __int64 int64_t; + typedef unsigned __int64 uint64_t; + + #define MBG_TGT_HAS_64BIT_TYPES 1 + + #else + // The types below are required to avoid build errors + // if these types are formally used in function prototypes. + // We explicitely use abnormal data types to hopefully + // cause compiler errors in case these types are + // unexpectedly used to generate real code for a target + // platform which does not support 64 bit types. + typedef void *int64_t; + typedef void *uint64_t; + #endif + +#endif + + + +#if !defined( MBG_TGT_HAS_64BIT_TYPES ) + + #define MBG_TGT_HAS_64BIT_TYPES 0 + +#endif + + + +// Some commonly used types + +typedef unsigned char uchar; + +#if !defined( MBG_TGT_LINUX ) typedef unsigned short ushort; typedef unsigned int uint; typedef unsigned long ulong; @@ -67,25 +221,15 @@ typedef unsigned long longword; typedef unsigned long dword; -#if !defined( __OS2__ ) && !defined( _Windows ) && \ - !defined( _WIN32 ) && !defined( __WIN32__ ) +#define HI_BYTE( _x ) ( (_x) >> 8 ) +#define LO_BYTE( _x ) ( (_x) & 0xFF ) - #ifndef BYTE - #define BYTE unsigned char - #endif +#define HI_WORD( _x ) ( (_x) >> 16 ) +#define LO_WORD( _x ) ( (_x) & 0xFFFF ) - #ifndef WORD - #define WORD unsigned short - #endif - - #ifndef LONG - #define LONG unsigned long - #endif - - #ifndef LONGWORD - #define LONGWORD longword - #endif -#endif +// the macros below assume little endianess +#define BYTE_OF( _x, _n ) *( ( (uint8_t *) &(_x) ) + (_n) ) +#define WORD_OF( _x, _n ) *( ( (uint16_t *) &(_x) ) + (_n) ) // a macro to swap the byte order of a 16 bit value @@ -114,7 +258,7 @@ typedef unsigned long dword; // little-endian, so we must use macros to adjust the // byte order if the C51 is used. -#if defined _CC51 +#if defined( _CC51 ) #define _hilo_16( _x ) _bswap16( _x ) #define _hilo_32( _x ) _bswap32( _x ) #else @@ -122,8 +266,6 @@ typedef unsigned long dword; #define _hilo_32( _x ) (_x) #endif - - /* End of header body */ #undef _ext |