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diff --git a/FreeRTOS-Labs/Source/FreeRTOS-Plus-FAT/portable/common/ff_sddisk.h b/FreeRTOS-Labs/Source/FreeRTOS-Plus-FAT/portable/common/ff_sddisk.h
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+++ b/FreeRTOS-Labs/Source/FreeRTOS-Plus-FAT/portable/common/ff_sddisk.h
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+/*
+ * FreeRTOS+FAT build 191128 - Note:  FreeRTOS+FAT is still in the lab!
+ * Copyright (C) 2018 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ * Authors include James Walmsley, Hein Tibosch and Richard Barry
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * https://www.FreeRTOS.org
+ *
+ */
+
+#ifndef __SDDISK_H__
+
+#define __SDDISK_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "ff_headers.h"
+
+
+/* Return non-zero if the SD-card is present.
+The parameter 'pxDisk' may be null, unless device locking is necessary. */
+BaseType_t FF_SDDiskDetect( FF_Disk_t *pxDisk );
+
+/* Create a RAM disk, supplying enough memory to hold N sectors of 512 bytes each */
+FF_Disk_t *FF_SDDiskInit( const char *pcName );
+
+BaseType_t FF_SDDiskReinit( FF_Disk_t *pxDisk );
+
+/* Unmount the volume */
+BaseType_t FF_SDDiskUnmount( FF_Disk_t *pDisk );
+
+/* Mount the volume */
+BaseType_t FF_SDDiskMount( FF_Disk_t *pDisk );
+
+/* Release all resources */
+BaseType_t FF_SDDiskDelete( FF_Disk_t *pDisk );
+
+/* Show some partition information */
+BaseType_t FF_SDDiskShowPartition( FF_Disk_t *pDisk );
+
+/* Flush changes from the driver's buf to disk */
+void FF_SDDiskFlush( FF_Disk_t *pDisk );
+
+/* Format a given partition on an SD-card. */
+BaseType_t FF_SDDiskFormat( FF_Disk_t *pxDisk, BaseType_t aPart );
+
+/* Return non-zero if an SD-card is detected in a given slot. */
+BaseType_t FF_SDDiskInserted( BaseType_t xDriveNr );
+
+/* _RB_ Temporary function - ideally the application would not need the IO
+manageer structure, just a handle to a disk. */
+FF_IOManager_t *sddisk_ioman( FF_Disk_t *pxDisk );
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* __SDDISK_H__ */