From f5c645296c837c85ff915a615cf1fd3193b91d7d Mon Sep 17 00:00:00 2001 From: Dean Camera Date: Mon, 21 Sep 2009 08:07:26 +0000 Subject: Added new MassStorageKeyboard Device Class Driver demo (thanks to Matthias Hullin). --- .../MassStorageKeyboard/Lib/DataflashManager.h | 77 ++++++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 Demos/Device/ClassDriver/MassStorageKeyboard/Lib/DataflashManager.h (limited to 'Demos/Device/ClassDriver/MassStorageKeyboard/Lib/DataflashManager.h') diff --git a/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/DataflashManager.h b/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/DataflashManager.h new file mode 100644 index 0000000000..5e9debcb0b --- /dev/null +++ b/Demos/Device/ClassDriver/MassStorageKeyboard/Lib/DataflashManager.h @@ -0,0 +1,77 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2009. + + dean [at] fourwalledcubicle [dot] com + www.fourwalledcubicle.com +*/ + +/* + Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, and distribute this software + and its documentation for any purpose and without fee is hereby + granted, 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 "MassStorageKeyboard.h" + #include "Descriptors.h" + + #include // Function Attribute, Atomic, Debug and ISR Macros + #include // USB Functionality + #include // Dataflash chip driver + + /* 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. + */ + #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. */ + #define VIRTUAL_MEMORY_BLOCKS (VIRTUAL_MEMORY_BYTES / VIRTUAL_MEMORY_BLOCK_SIZE) + + /* Function Prototypes: */ + void DataflashManager_WriteBlocks(USB_ClassInfo_MS_Device_t* MSInterfaceInfo, const uint32_t BlockAddress, + uint16_t TotalBlocks); + void DataflashManager_ReadBlocks(USB_ClassInfo_MS_Device_t* 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); + +#endif -- cgit v1.2.3