syscross.h

这是在PCA下的基于IPP库示例代码例子,在网上下了IPP的库之后,设置相关参数就可以编译该代码.

/* ////////////////////////////////////////////////////////////////////////
//
//                  INTEL CORPORATION PROPRIETARY INFORMATION
//     This software is supplied under the terms of a license agreement or
//     nondisclosure agreement with Intel Corporation and may not be copied
//     or disclosed except in accordance with the terms of that agreement.
//          Copyright(c) 2002-2005 Intel Corporation. All Rights Reserved.
//
//
//
*/

/* cross-platform system functionality that is required for this implementation */
/* and wrapped only for this implemetation purposes                             */

#ifndef __SYSCROSS_H__
#define __SYSCROSS_H__


#ifdef __cplusplus
extern "C" {
#endif


typedef unsigned int SysBool;

typedef enum
{
    SYS_CALL_RESULT_OK,
    SYS_CALL_RESULT_FAIL_BAD_OPTION,
    SYS_CALL_RESULT_FAIL_NO_MEMORY,
    SYS_CALL_RESULT_FAIL_NON_SPECIFIC
} SysCallResult;


enum
{
    SYS_ACCESS_RIGHT_READ  = 1 << 0,
    SYS_ACCESS_RIGHT_WRITE = 1 << 1
};

typedef unsigned int SysAccessRight;


typedef enum
{
    SYS_CREATE_OPTIONS_NEW_ONLY,
    SYS_CREATE_OPTIONS_EXISTING_ONLY_KEEP,
    SYS_CREATE_OPTIONS_EXISTING_ONLY_TRUNCATE,
    SYS_CREATE_OPTIONS_ALWAYS_KEEP,
    SYS_CREATE_OPTIONS_ALWAYS_TRUNCATE
} SysCreateOptions;

typedef enum
{
    SYS_ACCESS_TYPE_RANDOM,
    SYS_ACCESS_TYPE_SEQUENTIAL
} SysAccessType;

struct sSysFile;
typedef struct sSysFile* SysFile;

SysCallResult sysFileCreate(
    const char       *fileName,
    SysAccessRight    access,
    SysCreateOptions  createOptions,
    SysAccessType     accessOptimization,
    SysFile          *file
);

SysCallResult sysFileClose (
    SysFile file
);

SysCallResult sysFileGetSize (
    SysFile       file,
    unsigned int *size
);


struct sSysMemoryMap;
typedef struct sSysMemoryMap* SysMemoryMap;

typedef enum
{
    SYS_MEMORY_MAP_ACCESS_READ_WRITE_COPY,
    SYS_MEMORY_MAP_ACCESS_READ_WRITE,
    SYS_MEMORY_MAP_ACCESS_READ_ONLY
} SysMemoryMapAccess;

SysCallResult sysMemoryMapCreate    (
    SysFile             file,
    SysMemoryMapAccess  access,
    unsigned int        maxSize,
    SysMemoryMap       *memoryMap
);

SysCallResult sysMemoryMapClose     (
    SysMemoryMap memoryMap
);

struct sSysMemoryMapView;
typedef struct sSysMemoryMapView* SysMemoryMapView;

SysCallResult sysMemoryMapViewCreate (
    SysMemoryMap        memoryMap,
    SysMemoryMapAccess  access,
    unsigned int        offset,
    unsigned int        size,
    SysMemoryMapView   *memoryMapView);

SysCallResult sysMemoryMapViewClose  (
    SysMemoryMapView memoryMapView
);

SysCallResult sysMemoryMapViewGetAddr(
    SysMemoryMapView   memoryMapView,
    void             **addr
);


#ifdef __cplusplus
}
#endif


#endif // __SYSCROSS_H__