amt630hv160-sdk-release/amt630hv160-freertos-beta/FreeRTOS-Plus/FreeRTOS-FAT/include/ff_devices.h

/*
 * FreeRTOS+FAT V2.3.3
 * Copyright (C) 2021 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 * the Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * https://www.FreeRTOS.org
 * https://github.com/FreeRTOS
 *
 */

/**
 *	@file		ff_devices.h
 **/
#ifndef FF_DEVICES_H
    #define FF_DEVICES_H

    #ifndef PLUS_FAT_H
        #error this header will be included from "ff_headers.h"
    #endif

    #ifdef __cplusplus
        extern "C" {
    #endif

    #define FF_DEV_NO_DEV       0
    #define FF_DEV_CHAR_DEV     1
    #define FF_DEV_BLOCK_DEV    2

    BaseType_t xCheckDevicePath( const char * pcPath );

    int FF_Device_Seek( FF_FILE * pxStream,
                        long lOffset,
                        int iWhence );

    BaseType_t FF_Device_Open( const char * pcPath,
                               FF_FILE * pxStream );

    void FF_Device_Close( FF_FILE * pxStream );

    size_t FF_Device_Read( void * pvBuf,
                           size_t lSize,
                           size_t lCount,
                           FF_FILE * pxStream );

    size_t FF_Device_Write( const void * pvBuf,
                            size_t lSize,
                            size_t lCount,
                            FF_FILE * pxStream );


    int FF_Device_GetDirEnt( const char * pcPath,
                             FF_DirEnt_t * pxDirEnt );

    #ifdef __cplusplus
        } /* extern "C" */
    #endif

#endif /* FF_DEVICES_H */