gfile_fatfs_wrapper.c

/*
 * This file is subject to the terms of the GFX License. If a copy of
 * the license was not distributed with this file, you can obtain one at:
 *
 *              http://ugfx.io/license.html
 */
 
#include "../../gfx.h"
 
#if GFX_USE_GFILE && GFILE_NEED_FATFS && !GFILE_FATFS_EXTERNAL_LIB
 
#include "gfile_fatfs_wrapper.h"
 
// Include the source we want
#include "../../3rdparty/fatfs-0.13/source/ff.c"
#include "../../3rdparty/fatfs-0.13/source/ffunicode.c"
 
// Extra operating system support
#if _FS_REENTRANT
    /*------------------------------------------------------------------------*/
    /* Static array of Synchronization Objects                                */
    /*------------------------------------------------------------------------*/
    static gSem ff_sem[_VOLUMES];
 
    /*------------------------------------------------------------------------*/
    /* Create a Synchronization Object                                        */
    /*------------------------------------------------------------------------*/
    int ff_cre_syncobj(BYTE vol, _SYNC_t *sobj)
    {
        *sobj = ff_sem[vol];
        gfxSemInit(sobj, 1, gSemMaxCount);
 
        return 1;
    }
 
    /*------------------------------------------------------------------------*/
    /* Delete a Synchronization Object                                        */
    /*------------------------------------------------------------------------*/
    int ff_del_syncobj(_SYNC_t sobj)
    {
        gfxSemDestroy( (gSem*)&sobj );
 
        return 1;
    }
 
    /*------------------------------------------------------------------------*/
    /* Request Grant to Access the Volume                                     */
    /*------------------------------------------------------------------------*/
    int ff_req_grant(_SYNC_t sobj)
    {
        if (gfxSemWait( (gSem*)&sobj, (gDelay)_FS_TIMEOUT) )
            return gTrue;
        return gFalse;
    }
 
    /*------------------------------------------------------------------------*/
    /* Release Grant to Access the Volume                                     */
    /*------------------------------------------------------------------------*/
    void ff_rel_grant(_SYNC_t sobj)
    {
        gfxSemSignal( (gSem*)&sobj );
    }
#endif /* _FS_REENTRANT */
 
#if _USE_LFN == 3   /* LFN with a working buffer on the heap */
    /*------------------------------------------------------------------------*/
    /* Allocate a memory block                                                */
    /*------------------------------------------------------------------------*/
    void *ff_memalloc(UINT size)
    {
        return gfxAlloc( (gMemSize)size );
    }
 
    /*------------------------------------------------------------------------*/
    /* Free a memory block                                                    */
    /*------------------------------------------------------------------------*/
    void ff_memfree(void *mblock)
    {
        gfxFree(mblock);
    }
#endif /* _USE_LFN == 3 */
 
#endif // GFX_USE_GFILE && GFILE_NEED_FATFS && !GFILE_FATFS_EXTERNAL_LIB