76 lines
2.6 KiB
C
76 lines
2.6 KiB
C
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/*
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* This file is subject to the terms of the GFX License. If a copy of
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* the license was not distributed with this file, you can obtain one at:
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*
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* http://ugfx.org/license.html
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*/
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#include "gfx.h"
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#include "ff.h"
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#if _FS_REENTRANT
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/*------------------------------------------------------------------------*/
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/* Static array of Synchronization Objects */
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/*------------------------------------------------------------------------*/
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static gfxSem ff_sem[_VOLUMES];
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/*------------------------------------------------------------------------*/
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/* Create a Synchronization Object */
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/*------------------------------------------------------------------------*/
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int ff_cre_syncobj(BYTE vol, _SYNC_t *sobj)
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{
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*sobj = ff_sem[vol];
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gfxSemInit(sobj, 1, MAX_SEMAPHORE_COUNT);
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return 1;
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}
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/*------------------------------------------------------------------------*/
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/* Delete a Synchronization Object */
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/*------------------------------------------------------------------------*/
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int ff_del_syncobj(_SYNC_t sobj)
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{
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gfxSemDestroy( (gfxSem*)&sobj );
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return 1;
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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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int ff_req_grant(_SYNC_t sobj)
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{
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if (gfxSemWait( (gfxSem*)&sobj, (delaytime_t)_FS_TIMEOUT) )
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return TRUE;
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return FALSE;
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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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void ff_rel_grant(_SYNC_t sobj)
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{
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gfxSemSignal( (gfxSem*)&sobj );
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}
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#endif /* _FS_REENTRANT */
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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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void *ff_memalloc(UINT size)
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{
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return gfxAlloc( (size_t)size );
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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(void *mblock)
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{
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gfxFree(mblock);
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}
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#endif /* _USE_LFN == 3 */
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