Added support for the Dataflash mounted on the XPLAIN board. Added new XPLAIN_REV1 board target for the first revision XPLAIN board, which used a different (smaller) Dataflash IC to later revisions.
Dean Camera
15 years ago
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/*
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LUFA Library
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Copyright (C) Dean Camera, 2009.
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dean [at] fourwalledcubicle [dot] com
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www.fourwalledcubicle.com
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*/
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/*
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Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, and distribute this software
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and its documentation for any purpose and without fee is hereby
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granted, provided that the above copyright notice appear in all
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copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the name of the author not be used in
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advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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The author disclaim all warranties with regard to this
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software, including all implied warranties of merchantability
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and fitness. In no event shall the author be liable for any
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special, indirect or consequential damages or any damages
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whatsoever resulting from loss of use, data or profits, whether
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in an action of contract, negligence or other tortious action,
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arising out of or in connection with the use or performance of
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this software.
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*/
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/** \file
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*
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* Board specific Dataflash commands header for the AT45DB642D as mounted on the XPLAIN.
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*
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* \note This file should not be included directly. It is automatically included as needed by the dataflash driver
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* dispatch header located in LUFA/Drivers/Board/Dataflash.h.
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*/
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/** \ingroup Group_Dataflash_XPLAIN
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* @defgroup Group_Dataflash_XPLAIN_AT45DB642D AT45DB642D
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*
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* @{
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*/
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#ifndef __DATAFLASH_CMDS_H__
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#define __DATAFLASH_CMDS_H__
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/* Public Interface - May be used in end-application: */
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/* Macros: */
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#define DF_STATUS_READY (1 << 7)
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#define DF_STATUS_COMPMISMATCH (1 << 6)
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#define DF_STATUS_SECTORPROTECTION_ON (1 << 1)
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#define DF_STATUS_BINARYPAGESIZE_ON (1 << 0)
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#define DF_MANUFACTURER_ATMEL 0x1F
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#define DF_CMD_GETSTATUS 0xD7
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#define DF_CMD_POWERDOWN 0xB9
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#define DF_CMD_WAKEUP 0xAB
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#define DF_CMD_MAINMEMTOBUFF1 0x53
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#define DF_CMD_MAINMEMTOBUFF2 0x55
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#define DF_CMD_MAINMEMTOBUFF1COMP 0x60
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#define DF_CMD_MAINMEMTOBUFF2COMP 0x61
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#define DF_CMD_AUTOREWRITEBUFF1 0x58
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#define DF_CMD_AUTOREWRITEBUFF2 0x59
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#define DF_CMD_MAINMEMPAGEREAD 0xD2
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#define DF_CMD_CONTARRAYREAD_LF 0x03
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#define DF_CMD_BUFF1READ_LF 0xD1
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#define DF_CMD_BUFF2READ_LF 0xD3
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#define DF_CMD_BUFF1WRITE 0x84
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#define DF_CMD_BUFF2WRITE 0x87
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#define DF_CMD_BUFF1TOMAINMEMWITHERASE 0x83
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#define DF_CMD_BUFF2TOMAINMEMWITHERASE 0x86
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#define DF_CMD_BUFF1TOMAINMEM 0x88
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#define DF_CMD_BUFF2TOMAINMEM 0x89
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#define DF_CMD_MAINMEMPAGETHROUGHBUFF1 0x82
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#define DF_CMD_MAINMEMPAGETHROUGHBUFF2 0x85
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#define DF_CMD_PAGEERASE 0x81
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#define DF_CMD_BLOCKERASE 0x50
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#define DF_CMD_SECTORERASE 0x7C
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#define DF_CMD_CHIPERASE ((char[]){0xC7, 0x94, 0x80, 0x9A})
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#define DF_CMD_CHIPERASE_BYTE1 0xC7
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#define DF_CMD_CHIPERASE_BYTE2 0x94
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#define DF_CMD_CHIPERASE_BYTE3 0x80
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#define DF_CMD_CHIPERASE_BYTE4 0x9A
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#define DF_CMD_SECTORPROTECTIONOFF ((char[]){0x3D, 0x2A, 0x7F, 0x9A})
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#define DF_CMD_SECTORPROTECTIONOFF_BYTE1 0x3D
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#define DF_CMD_SECTORPROTECTIONOFF_BYTE2 0x2A
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#define DF_CMD_SECTORPROTECTIONOFF_BYTE3 0x7F
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#define DF_CMD_SECTORPROTECTIONOFF_BYTE4 0x9A
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#define DF_CMD_READMANUFACTURERDEVICEINFO 0x9F
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#endif
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/** @} */
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@ -0,0 +1,124 @@
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/*
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LUFA Library
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Copyright (C) Dean Camera, 2009.
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dean [at] fourwalledcubicle [dot] com
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www.fourwalledcubicle.com
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*/
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/*
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Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, and distribute this software
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and its documentation for any purpose and without fee is hereby
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||||
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
|
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software without specific, written prior permission.
|
||||
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The author disclaim all warranties with regard to this
|
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software, including all implied warranties of merchantability
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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,
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||||
arising out of or in connection with the use or performance of
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this software.
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*/
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/** \file
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*
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* Board specific Dataflash driver header for the XPLAIN.
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*
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* \note This file should not be included directly. It is automatically included as needed by the dataflash driver
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* dispatch header located in LUFA/Drivers/Board/Dataflash.h.
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*/
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/** \ingroup Group_Dataflash
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* @defgroup Group_Dataflash_XPLAIN XPLAIN
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*
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* @{
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*/
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#ifndef __DATAFLASH_XPLAIN_H__
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#define __DATAFLASH_XPLAIN_H__
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/* Includes: */
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#include "AT45DB642D.h"
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/* Preprocessor Checks: */
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#if !defined(INCLUDE_FROM_DATAFLASH_H)
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#error Do not include this file directly. Include LUFA/Drivers/Board/Dataflash.h instead.
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#endif
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/* Private Interface - For use in library only: */
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#if !defined(__DOXYGEN__)
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/* Macros: */
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#define DATAFLASH_CHIPCS_MASK (1 << 5)
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#define DATAFLASH_CHIPCS_DDR DDRB
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#define DATAFLASH_CHIPCS_PORT PORTB
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#endif
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/* Public Interface - May be used in end-application: */
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/* Macros: */
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/** Constant indicating the total number of dataflash ICs mounted on the selected board. */
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#define DATAFLASH_TOTALCHIPS 1
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/** Mask for no dataflash chip selected. */
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#define DATAFLASH_NO_CHIP DATAFLASH_CHIPCS_MASK
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/** Mask for the first dataflash chip selected. */
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#define DATAFLASH_CHIP1 (1 << 5)
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#if BOAD == XPLAIN_REV1
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#define DATAFLASH_PAGE_SIZE 256
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#define DATAFLASH_PAGES 2048
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#else
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/** Internal main memory page size for the board's dataflash ICs. */
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#define DATAFLASH_PAGE_SIZE 1024
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/** Total number of pages inside each of the board's dataflash ICs. */
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#define DATAFLASH_PAGES 8192
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#endif
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/* Inline Functions: */
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/** Selects a dataflash IC from the given page number, which should range from 0 to
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* ((DATAFLASH_PAGES * DATAFLASH_TOTALCHIPS) - 1). For boards containing only one
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* dataflash IC, this will select DATAFLASH_CHIP1. If the given page number is outside
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* the total number of pages contained in the boards dataflash ICs, all dataflash ICs
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* are deselected.
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*
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* \param[in] PageAddress Address of the page to manipulate, ranging from
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* ((DATAFLASH_PAGES * DATAFLASH_TOTALCHIPS) - 1).
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*/
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static inline void Dataflash_SelectChipFromPage(const uint16_t PageAddress)
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{
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Dataflash_DeselectChip();
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if (PageAddress >= DATAFLASH_PAGES)
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return;
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Dataflash_SelectChip(DATAFLASH_CHIP1);
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}
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/** Sends a set of page and buffer address bytes to the currently selected dataflash IC, for use with
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* dataflash commands which require a complete 24-byte address.
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*
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* \param[in] PageAddress Page address within the selected dataflash IC
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* \param[in] BufferByte Address within the dataflash's buffer
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*/
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static inline void Dataflash_SendAddressBytes(uint16_t PageAddress, const uint16_t BufferByte)
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{
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PageAddress >>= 1;
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Dataflash_SendByte(PageAddress >> 5);
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Dataflash_SendByte((PageAddress << 3) | (BufferByte >> 8));
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Dataflash_SendByte(BufferByte);
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}
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#endif
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/** @} */
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