From fe62770a1ea8078ec6234ef9f92e39a7f542ce9e Mon Sep 17 00:00:00 2001 From: Dean Camera Date: Wed, 16 Mar 2011 05:58:58 +0000 Subject: Added new VirtualSerialMassStorage Device Class Driver demo. --- .../Lib/DataflashManager.h | 85 ++++++++++++++++++++++ 1 file changed, 85 insertions(+) create mode 100644 Demos/Device/ClassDriver/VirtualSerialMassStorage/Lib/DataflashManager.h (limited to 'Demos/Device/ClassDriver/VirtualSerialMassStorage/Lib/DataflashManager.h') diff --git a/Demos/Device/ClassDriver/VirtualSerialMassStorage/Lib/DataflashManager.h b/Demos/Device/ClassDriver/VirtualSerialMassStorage/Lib/DataflashManager.h new file mode 100644 index 0000000000..eac0653e08 --- /dev/null +++ b/Demos/Device/ClassDriver/VirtualSerialMassStorage/Lib/DataflashManager.h @@ -0,0 +1,85 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2011. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2011 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 disclaim 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. +*/ + +/** \file + * + * Header file for DataflashManager.c. + */ + +#ifndef _DATAFLASH_MANAGER_H_ +#define _DATAFLASH_MANAGER_H_ + + /* Includes: */ + #include + + #include "VirtualSerialMassStorage.h" + #include "Descriptors.h" + + #include + #include + #include + + /* Preprocessor Checks: */ + #if (DATAFLASH_PAGE_SIZE % 16) + #error Dataflash page size must be a multiple of 16 bytes. + #endif + + /* Defines: */ + /** Total number of bytes of the storage medium, comprised of one or more Dataflash ICs. */ + #define VIRTUAL_MEMORY_BYTES ((uint32_t)DATAFLASH_PAGES * DATAFLASH_PAGE_SIZE * DATAFLASH_TOTALCHIPS) + + /** Block size of the device. This is kept at 512 to remain compatible with the OS despite the underlying + * storage media (Dataflash) using a different native block size. Do not change this value. + */ + #define VIRTUAL_MEMORY_BLOCK_SIZE 512 + + /** Total number of blocks of the virtual memory for reporting to the host as the device's total capacity. Do not + * change this value; change VIRTUAL_MEMORY_BYTES instead to alter the media size. + */ + #define VIRTUAL_MEMORY_BLOCKS (VIRTUAL_MEMORY_BYTES / VIRTUAL_MEMORY_BLOCK_SIZE) + + /* Function Prototypes: */ + void DataflashManager_WriteBlocks(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo, + const uint32_t BlockAddress, + uint16_t TotalBlocks); + void DataflashManager_ReadBlocks(USB_ClassInfo_MS_Device_t* const MSInterfaceInfo, + const uint32_t BlockAddress, + uint16_t TotalBlocks); + void DataflashManager_WriteBlocks_RAM(const uint32_t BlockAddress, + uint16_t TotalBlocks, + uint8_t* BufferPtr) ATTR_NON_NULL_PTR_ARG(3); + void DataflashManager_ReadBlocks_RAM(const uint32_t BlockAddress, + uint16_t TotalBlocks, + uint8_t* BufferPtr) ATTR_NON_NULL_PTR_ARG(3); + void DataflashManager_ResetDataflashProtections(void); + bool DataflashManager_CheckDataflashOperation(void); + +#endif + -- cgit v1.2.3