59513b05ee
* fixed inline functions for modern C standart * more stack for application * added library * init fatfs library * fatfs example application * Merge with current master * fix typo and delete old files * cmsis os 2 reentrance fix * Reworked dependency wait to support multiple dependency * Build FatFS on local target, syscall.c is target-specific. * run local target ok * testcase for fatfs Co-authored-by: aanper <mail@s3f.ru>
120 lines
4.1 KiB
C
120 lines
4.1 KiB
C
/*------------------------------------------------------------------------*/
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/* Sample code of OS dependent controls for FatFs */
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/* (C)ChaN, 2014 */
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/* Portions COPYRIGHT 2017 STMicroelectronics */
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/* Portions Copyright (C) 2014, ChaN, all right reserved */
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/*------------------------------------------------------------------------*/
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/**
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2017 STMicroelectronics. All rights reserved.
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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**/
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#include "fatfs/ff.h"
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#if _FS_REENTRANT
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/*------------------------------------------------------------------------*/
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/* Create a Synchronization Object */
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/*------------------------------------------------------------------------*/
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/* This function is called in f_mount() function to create a new
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/ synchronization object, such as semaphore and mutex. When a 0 is returned,
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/ the f_mount() function fails with FR_INT_ERR.
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*/
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int ff_cre_syncobj ( /* 1:Function succeeded, 0:Could not create the sync object */
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BYTE vol, /* Corresponding volume (logical drive number) */
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_SYNC_t *sobj /* Pointer to return the created sync object */
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)
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{
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return 0;
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}
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/*------------------------------------------------------------------------*/
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/* Delete a Synchronization Object */
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/*------------------------------------------------------------------------*/
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/* This function is called in f_mount() function to delete a synchronization
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/ object that created with ff_cre_syncobj() function. When a 0 is returned,
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/ the f_mount() function fails with FR_INT_ERR.
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*/
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int ff_del_syncobj ( /* 1:Function succeeded, 0:Could not delete due to any error */
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_SYNC_t sobj /* Sync object tied to the logical drive to be deleted */
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)
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{
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return 0;
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}
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/*------------------------------------------------------------------------*/
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/* Request Grant to Access the Volume */
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/*------------------------------------------------------------------------*/
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/* This function is called on entering file functions to lock the volume.
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/ When a 0 is returned, the file function fails with FR_TIMEOUT.
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*/
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int ff_req_grant ( /* 1:Got a grant to access the volume, 0:Could not get a grant */
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_SYNC_t sobj /* Sync object to wait */
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)
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{
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return 0;
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}
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/*------------------------------------------------------------------------*/
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/* Release Grant to Access the Volume */
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/*------------------------------------------------------------------------*/
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/* This function is called on leaving file functions to unlock the volume.
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*/
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void ff_rel_grant (
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_SYNC_t sobj /* Sync object to be signaled */
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)
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{
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}
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#endif
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#if _USE_LFN == 3 /* LFN with a working buffer on the heap */
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/*------------------------------------------------------------------------*/
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/* Allocate a memory block */
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/*------------------------------------------------------------------------*/
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/* If a NULL is returned, the file function fails with FR_NOT_ENOUGH_CORE.
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*/
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void* ff_memalloc ( /* Returns pointer to the allocated memory block */
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UINT msize /* Number of bytes to allocate */
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)
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{
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return ff_malloc(msize); /* Allocate a new memory block with POSIX API */
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}
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/*------------------------------------------------------------------------*/
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/* Free a memory block */
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/*------------------------------------------------------------------------*/
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void ff_memfree (
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void* mblock /* Pointer to the memory block to free */
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)
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{
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ff_free(mblock); /* Discard the memory block with POSIX API */
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}
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#endif
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