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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
+ *
+ */
+
+/**
+ * @file ff_devices.h
+ **/
+#ifndef FF_DEVICES_H
+#define FF_DEVICES_H
+
+#ifndef PLUS_FAT_H
+ #error this header will be included from "plusfat.h"
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define FF_DEV_NO_DEV 0
+#define FF_DEV_CHAR_DEV 1
+#define FF_DEV_BLOCK_DEV 2
+
+BaseType_t xCheckDevicePath( const char *pcPath );
+
+int FF_Device_Seek( FF_FILE *pxStream, long lOffset, int iWhence );
+
+BaseType_t FF_Device_Open( const char *pcPath, FF_FILE * pxStream );
+
+void FF_Device_Close( FF_FILE * pxStream );
+
+size_t FF_Device_Read( void *pvBuf, size_t lSize, size_t lCount, FF_FILE * pxStream );
+
+size_t FF_Device_Write( const void *pvBuf, size_t lSize, size_t lCount, FF_FILE * pxStream );
+
+
+int FF_Device_GetDirEnt( const char *pcPath, FF_DirEnt_t *pxDirEnt );
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* FF_DEVICES_H */