Fatfs Cleanup

1 files changed, 80 insertions, 0 deletions

diff --git a/src/gfile/fatfs/fatfs_syscall.c b/src/gfile/fatfs/fatfs_syscall.c
new file mode 100644
index 00000000..80342731
--- /dev/null
+++ b/src/gfile/fatfs/fatfs_syscall.c
@@ -0,0 +1,80 @@
+/*
+ * 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.org/license.html
+ */
+
+#include "gfx.h"
+
+#if GFX_USE_GFILE && GFILE_NEED_FATFS
+
+#include "ff.h"
+
+#if _FS_REENTRANT
+
+/*------------------------------------------------------------------------*/
+/* Static array of Synchronization Objects                                */
+/*------------------------------------------------------------------------*/
+static gfxSem ff_sem[_VOLUMES];
+
+/*------------------------------------------------------------------------*/
+/* Create a Synchronization Object                                        */
+/*------------------------------------------------------------------------*/
+int ff_cre_syncobj(BYTE vol, _SYNC_t *sobj)
+{
+	*sobj = ff_sem[vol];
+	gfxSemInit(sobj, 1, MAX_SEMAPHORE_COUNT);
+
+	return 1;
+}
+
+/*------------------------------------------------------------------------*/
+/* Delete a Synchronization Object                                        */
+/*------------------------------------------------------------------------*/
+int ff_del_syncobj(_SYNC_t sobj)
+{
+	gfxSemDestroy( (gfxSem*)&sobj );
+
+	return 1;
+}
+
+/*------------------------------------------------------------------------*/
+/* Request Grant to Access the Volume                                     */
+/*------------------------------------------------------------------------*/
+int ff_req_grant(_SYNC_t sobj)
+{
+	if (gfxSemWait( (gfxSem*)&sobj, (delaytime_t)_FS_TIMEOUT) )
+		return TRUE;
+	return FALSE;
+}
+
+/*------------------------------------------------------------------------*/
+/* Release Grant to Access the Volume                                     */
+/*------------------------------------------------------------------------*/
+void ff_rel_grant(_SYNC_t sobj)
+{
+	gfxSemSignal( (gfxSem*)&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( (size_t)size );
+}
+
+/*------------------------------------------------------------------------*/
+/* Free a memory block                                                    */
+/*------------------------------------------------------------------------*/
+void ff_memfree(void *mblock)
+{
+	gfxFree(mblock);
+}
+#endif /* _USE_LFN == 3 */
+
+#endif // GFX_USE_GFILE && GFILE_NEED_FATFS
+