123 lines
4.5 KiB
C
123 lines
4.5 KiB
C
/*
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* Copyright (c) 2010, STMicroelectronics.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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*/
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/**
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* \file
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* Coffee architecture-dependent header for the STM32W108-based mb851
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* platform.
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* STM32W108 has 128KB of program flash.
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* \author
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* Salvatore Pitrulli <salvopitru@users.sourceforge.net>
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*/
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#ifndef CFS_COFFEE_ARCH_H
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#define CFS_COFFEE_ARCH_H
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#include "contiki-conf.h"
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#include "hal/error.h"
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#include "hal/micro/cortexm3/flash.h"
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/* STM32W108 has 128 pages of 1024 bytes each = 128KB
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* The smallest erasable unit is one page and the smallest writable
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* unit is an aligned 16-bit half-word.
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*/
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/* Byte page size, starting address on page boundary, and size of the file system */
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#define FLASH_START 0x8000000
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/* Minimum erasable unit. */
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#define FLASH_PAGE_SIZE 1024
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/* Last 3 pages reserved for NVM. */
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#define FLASH_PAGES 125
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/* Minimum reservation unit for Coffee. It can be changed by the user. */
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#define COFFEE_PAGE_SIZE (FLASH_PAGE_SIZE/4)
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/* If using IAR, COFFEE_ADDRESS reflects the static value in the linker script
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iar-cfg-coffee.icf, so it can't be passed as a parameter for Make.*/
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#ifdef __ICCARM__
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#define COFFEE_ADDRESS 0x8010c00
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#endif
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#if (COFFEE_ADDRESS & 0x3FF) !=0
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#error "COFFEE_ADDRESS not aligned to a 1024-bytes page boundary."
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#endif
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#define COFFEE_PAGES ((FLASH_PAGES*FLASH_PAGE_SIZE-(COFFEE_ADDRESS-FLASH_START))/COFFEE_PAGE_SIZE)
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#define COFFEE_START (COFFEE_ADDRESS & ~(COFFEE_PAGE_SIZE-1))
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#define COFFEE_SIZE (COFFEE_PAGES*COFFEE_PAGE_SIZE)
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/* These must agree with the parameters passed to makefsdata */
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#define COFFEE_SECTOR_SIZE FLASH_PAGE_SIZE
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#define COFFEE_NAME_LENGTH 20
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///* These are used internally by the AVR flash read routines */
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///* Word reads are faster but take 130 bytes more PROGMEM */
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//#define FLASH_WORD_READS 1
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///* 1=Slower reads, but no page writes after erase and 18 bytes less PROGMEM. Best for dynamic file system */
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//#define FLASH_COMPLEMENT_DATA 0
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/* These are used internally by the coffee file system */
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/* Micro logs are not needed for single page sectors */
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#define COFFEE_MAX_OPEN_FILES 4
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#define COFFEE_FD_SET_SIZE 8
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#define COFFEE_DYN_SIZE (COFFEE_PAGE_SIZE*1)
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#define COFFEE_MICRO_LOGS 0
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#define COFFEE_LOG_TABLE_LIMIT 16 // It doesnt' matter as
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#define COFFEE_LOG_SIZE 128 // COFFEE_MICRO_LOGS is 0.
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#if COFFEE_PAGES <= 127
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#define coffee_page_t int8_t
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#elif COFFEE_PAGES <= 0x7FFF
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#define coffee_page_t int16_t
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#endif
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#define COFFEE_WRITE(buf, size, offset) \
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stm32w_flash_write(COFFEE_START + offset, buf, size)
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#define COFFEE_READ(buf, size, offset) \
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stm32w_flash_read(COFFEE_START + offset, buf, size)
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#define COFFEE_ERASE(sector) \
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stm32w_flash_erase(sector)
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void stm32w_flash_read(int32u address, void * data, int32u length);
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void stm32w_flash_write(int32u address, const void * data, int32u length);
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void stm32w_flash_erase(int8u sector);
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int coffee_file_test(void);
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#endif /* !COFFEE_ARCH_H */
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