TI DSP中各种数据类型的定义

/*  ============================================================================
*   Copyright (c) Texas Instruments Inc 2002, 2003, 2004, 2005
*
*   Use of this software is controlled by the terms and conditions found in the
*   license agreement under which this software has been supplied.
*   ===========================================================================
*/

/*
*  ======== tistdtypes.h ========
*/

/*
* These types are also defined by other TI components.  They are bracketed
* with _TI_STD_TYPES to avoid warnings for duplicate definition.
*
* You may get warnings about duplicate type definitions when using this
* header file with earlier versions of DSP/BIOS and CSL.
*
* You can use the '-pds303' compiler option to suppress these warnings.
*/
#ifndef _TI_STD_TYPES
#define _TI_STD_TYPES

/*
* This '#ifndef STD_' is needed to protect from duplicate definitions
* of Int, Uns, etc. in DSP/BIOS v4.x (e.g. 4.90, 4.80) since these versions
* of DSP/BIOS did not contain the '#ifndef_TI_STD_TYPES' logic.
*/
#ifndef STD_

/*
* Aliases for standard C types
*/
typedef int                 Int;
typedef unsigned            Uns;
typedef char                Char;

/* pointer to null-terminated character sequence */
typedef char                *String;

typedef void                *Ptr;       /* pointer to arbitrary type */

typedef unsigned short      Bool;       /* boolean */

#endif /* STD_ */

/*
* Uint8, Uint16, Uint32, etc are defined to be "smallest unit of
* available storage that is large enough to hold unsigned or integer
* of specified size".
*/

/* Handle the 6x ISA */
#if defined(_TMS320C6X)
/* Unsigned integer definitions (32bit, 16bit, 8bit) follow... */
typedef unsigned int    Uint32_t;
typedef unsigned short  Uint16_t;
typedef unsigned char   Uint8_t;

/* Signed integer definitions (32bit, 16bit, 8bit) follow... */
typedef int             Int32_t;
typedef short           Int16_t;
typedef char            Int8_t;

/* Handle the 54x, 55x and 28x ISAs */
#elif defined(_TMS320C5XX) || defined(__TMS320C55X__) || defined(_TMS320C28X)
/* Unsigned integer definitions (32bit, 16bit, 8bit) follow... */
typedef unsigned long   Uint32;
typedef unsigned short  Uint16;
typedef unsigned char   Uint8;

/* Signed integer definitions (32bit, 16bit, 8bit) follow... */
typedef long            Int32;
typedef short           Int16;
typedef char            Int8;

#else
/* Other ISAs not supported */
#error <tistdtypes.h> is not supported for this target
#endif  /* defined(_6x_) */

#endif  /* _TI_STD_TYPES */