From a6163888f3c56123b1db313743c6147ba498732c Mon Sep 17 00:00:00 2001
From: Yuval Adam <yuv.adm@gmail.com>
Date: Fri, 8 Aug 2014 14:42:07 +0300
Subject: Add third_party libs

---
 .../FileSystem/FatFs-0.7e/src/option/syncobj.c     | 111 +++++++++++++++++++++
 1 file changed, 111 insertions(+)
 create mode 100644 third_party/FreeRTOS/Demo/Common/FileSystem/FatFs-0.7e/src/option/syncobj.c

(limited to 'third_party/FreeRTOS/Demo/Common/FileSystem/FatFs-0.7e/src/option/syncobj.c')

diff --git a/third_party/FreeRTOS/Demo/Common/FileSystem/FatFs-0.7e/src/option/syncobj.c b/third_party/FreeRTOS/Demo/Common/FileSystem/FatFs-0.7e/src/option/syncobj.c
new file mode 100644
index 0000000..6d8ad28
--- /dev/null
+++ b/third_party/FreeRTOS/Demo/Common/FileSystem/FatFs-0.7e/src/option/syncobj.c
@@ -0,0 +1,111 @@
+/*------------------------------------------------------------------------*/
+/* Sample code of OS dependent synchronization object controls            */
+/* for FatFs R0.07d  (C)ChaN, 2009                                        */
+/*------------------------------------------------------------------------*/
+
+#include <FreeRTOS.h>
+#include <semphr.h>
+
+#include "../ff.h"
+
+#if _FS_REENTRANT
+
+/*------------------------------------------------------------------------*/
+/* Create a Synchronization Object for a Volume                           */
+/*------------------------------------------------------------------------*/
+/* This function is called in f_mount function to create a new
+/  synchronization object, such as semaphore and mutex. When a FALSE is
+/  returned, the f_mount function fails with FR_INT_ERR.
+*/
+
+BOOL ff_cre_syncobj (	/* TRUE:Function succeeded, FALSE:Could not create due to any error */
+	BYTE vol,			/* Corresponding logical drive being processed */
+	_SYNC_t *sobj		/* Pointer to return the created sync object */
+)
+{
+	BOOL ret;
+
+	*sobj = xSemaphoreCreateMutex();
+	
+	if( *sobj == NULL )
+	{
+		ret = FALSE;
+	}
+	else
+	{
+		ret = TRUE;
+	}
+
+	return ret;
+}
+
+
+
+/*------------------------------------------------------------------------*/
+/* Delete a Synchronization Object                                        */
+/*------------------------------------------------------------------------*/
+/* This function is called in f_mount function to delete a synchronization
+/  object that created with ff_cre_syncobj function. When a FALSE is
+/  returned, the f_mount function fails with FR_INT_ERR.
+*/
+
+BOOL ff_del_syncobj (	/* TRUE:Function succeeded, FALSE:Could not delete due to any error */
+	_SYNC_t sobj		/* Sync object tied to the logical drive to be deleted */
+)
+{
+	BOOL ret;
+
+	if( sobj != NULL )
+	{
+		vQueueDelete( sobj );
+		ret = TRUE;
+	}
+	else
+	{
+		ret = FALSE;
+	}
+	
+	return ret;
+}
+
+
+
+/*------------------------------------------------------------------------*/
+/* Request Grant to Access the Volume                                     */
+/*------------------------------------------------------------------------*/
+/* This function is called on entering file functions to lock the volume.
+/  When a FALSE is returned, the file function fails with FR_TIMEOUT.
+*/
+
+BOOL ff_req_grant (	/* TRUE:Got a grant to access the volume, FALSE:Could not get a grant */
+	_SYNC_t sobj	/* Sync object to wait */
+)
+{
+	BOOL ret;
+
+	ret = xSemaphoreTake( sobj, _FS_TIMEOUT );
+	
+	return ret;
+}
+
+
+
+/*------------------------------------------------------------------------*/
+/* Release Grant to Access the Volume                                     */
+/*------------------------------------------------------------------------*/
+/* This function is called on leaving file functions to unlock the volume.
+*/
+
+void ff_rel_grant (
+	_SYNC_t sobj	/* Sync object to be signaled */
+)
+{
+	xSemaphoreGive( sobj );
+}
+
+
+#else
+
+#error This file is not needed in this configuration.
+
+#endif
-- 
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