Add the start of a new Mass Storage class bootloader.

[pub/lufa.git] / Bootloaders / Incomplete / MassStorage / Lib / VirtualFAT.h

diff --git a/Bootloaders/Incomplete/MassStorage/Lib/VirtualFAT.h b/Bootloaders/Incomplete/MassStorage/Lib/VirtualFAT.h
new file mode 100644 (file)
index 0000000..2009b68
--- /dev/null
+++ b/Bootloaders/Incomplete/MassStorage/Lib/VirtualFAT.h
@@ -0,0 +1,91 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2013.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2013  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+  Permission to use, copy, modify, distribute, and sell this
+  software and its documentation for any purpose is hereby granted
+  without fee, provided that the above copyright notice appear in
+  all copies and that both that the copyright notice and this
+  permission notice and warranty disclaimer appear in supporting
+  documentation, and that the name of the author not be used in
+  advertising or publicity pertaining to distribution of the
+  software without specific, written prior permission.
+
+  The author disclaims all warranties with regard to this
+  software, including all implied warranties of merchantability
+  and fitness.  In no event shall the author be liable for any
+  special, indirect or consequential damages or any damages
+  whatsoever resulting from loss of use, data or profits, whether
+  in an action of contract, negligence or other tortious action,
+  arising out of or in connection with the use or performance of
+  this software.
+*/
+
+#ifndef _VIRTUALFAT_H_
+#define _VIRTUALFAT_H_
+
+       /* Includes: */
+               #include <avr/io.h>
+               #include <avr/pgmspace.h>
+
+               #include <LUFA/Drivers/USB/USB.h>
+
+       /* Macros: */
+               #define VIRTUAL_MEMORY_BLOCK_SIZE 512
+               #define ALLOCATION_UNIT_BLOCKS    4
+               #define LUN_MEDIA_BLOCKS          ((FLASHEND + 1) / VIRTUAL_MEMORY_BLOCK_SIZE) + 16
+
+       /* Type Definitions: */
+               typedef struct
+               {
+                       uint8_t  Bootstrap[3];
+                       uint8_t  Description[8];
+                       uint16_t BlockSize;
+                       uint8_t  BlocksPerAllocationUnit;
+                       uint16_t ReservedBlocks;
+                       uint8_t  FATCopies;
+                       uint16_t RootDirectoryEntries;
+                       uint16_t TotalBlocks16;
+                       uint8_t  MediaDescriptor;
+                       uint16_t BlocksPerFAT;
+                       uint16_t BlocksPerTrack;
+                       uint16_t Heads;
+                       uint32_t HiddenBlocks;
+                       uint32_t TotalBlocks32;
+                       uint16_t PhysicalDriveNum;
+                       uint8_t  ExtendedBootRecordSig;
+                       uint32_t VolumeSerialNumber;
+                       uint8_t  VolumeLabel[11];
+                       uint8_t  FilesystemIdentifier[8];
+                       uint8_t  BootstrapProgram[448];
+                       uint16_t MagicSignature;
+               } FATBootBlock_t;
+
+               typedef struct
+               {
+                       uint8_t Filename[8];
+                       uint8_t Extension[3];
+                       uint8_t Attributes;
+                       uint8_t Reserved[10];
+                       uint16_t CreationTime;
+                       uint16_t CreationDate;
+                       uint16_t StartingCluster;
+                       uint32_t FileSize;
+               } FATDirectoryEntry_t;
+
+       /* Function Prototypes: */
+               void VirtualFAT_WriteBlocks(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo,
+                                           const uint32_t BlockAddress,
+                                           uint16_t TotalBlocks);
+
+               void VirtualFAT_ReadBlocks(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo,
+                                          const uint32_t BlockAddress,
+                                          uint16_t TotalBlocks);
+#endif