/* * Copyright (c) 2008, Swedish Institute of Computer Science * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the Institute nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * This file is part of the Contiki operating system. * */ /** * \file * Coffee architecture-dependent header for the AVR-Raven 1284p platform. * The 1284p has 4KB of onboard EEPROM and 128KB of program flash. * \author * Frederic Thepaut * David Kopf */ #ifndef CFS_COFFEE_ARCH_H #define CFS_COFFEE_ARCH_H #include "contiki-conf.h" //Currently you may choose just one for the coffee file sytem //#define COFFEE_AVR_EEPROM //use eeprom for file system #define COFFEE_AVR_FLASH //use flash for file system #ifdef COFFEE_AVR_EEPROM #include "dev/eeprom.h" //1284p EEPROM has 512 pages of 8 bytes each = 4KB #define COFFEE_SECTOR_SIZE 64UL #define COFFEE_PAGE_SIZE 16UL #define COFFEE_START CFS_EEPROM_CONF_OFFSET #define COFFEE_SIZE ((3 * 1024U) - COFFEE_START) #define COFFEE_NAME_LENGTH 16 #define COFFEE_MAX_OPEN_FILES 4 #define COFFEE_FD_SET_SIZE 8 #define COFFEE_LOG_TABLE_LIMIT 16 #define COFFEE_DIR_CACHE_ENTRIES 1 #define COFFEE_DYN_SIZE (COFFEE_PAGE_SIZE * 4) #define COFFEE_LOG_SIZE 128 typedef int16_t coffee_page_t; typedef uint16_t coffee_offset_t; #define COFFEE_ERASE(sector) avr_eeprom_erase(sector) void avr_eeprom_erase(uint16_t sector); #define COFFEE_WRITE(buf, size, offset) \ eeprom_write(COFFEE_START + (offset), (unsigned char *)(buf), (size)) #define COFFEE_READ(buf, size, offset) \ eeprom_read (COFFEE_START + (offset), (unsigned char *)(buf), (size)) #endif /* COFFEE_AVR_EEPROM */ #ifdef COFFEE_AVR_FLASH /* 1284p PROGMEM has 512 pages of 256 bytes each = 128KB * Writing to the last 32 NRRW pages will halt the CPU. * Take care not to overwrite the .bootloader section... */ #define COFFEE_PAGE_SIZE 256UL //Byte per program flash page (256 for 1284p #define COFFEE_PAGE_START 65536UL/COFFEE_PAGE_SIZE //Starting page at 64KB for webserver #define COFFEE_PAGES 512UL-COFFEE_PAGE_START-32UL //Number of pages to use (reserve NWWR pages) #define COFFEE_START (COFFEE_PAGE_START)*COFFEE_PAGE_SIZE //Starting address of the file system, on a page boundary #define FLASH_WORD_READS 1 //1=Faster, but 130 bytes more PROGMEM #define FLASH_COMPLEMENT_DATA 0 //1=Slower reads, but no page writes after erase and 18 bytes less PROGMEM #define COFFEE_SIZE (COFFEE_PAGES)*COFFEE_PAGE_SIZE //Bytes in filesystem #define COFFEE_SECTOR_SIZE (COFFEE_PAGE_SIZE*1) //Each page a sector #define COFFEE_NAME_LENGTH 16 //processes.shtml is longest file name #define COFFEE_MAX_OPEN_FILES 4 #define COFFEE_FD_SET_SIZE 8 //Size of file descriptor #define COFFEE_LOG_TABLE_LIMIT 16 #define COFFEE_DIR_CACHE_ENTRIES 1 #define COFFEE_DYN_SIZE (COFFEE_PAGE_SIZE*1) //Allocation block size #define COFFEE_MICRO_LOGS 0 //1 to enable, 0 best for single page sectors #define COFFEE_LOG_SIZE 128 //Microlog size, when used /* coffee_page_t is used for page and sector numbering * uint8_t can handle 511 pages. * cfs_offset_t is used for full byte addresses * If CFS_CONF_OFFSET_TYPE is not defined it defaults to int. * uint16_t can handle up to a 65535 byte file system. */ #define coffee_page_t uint8_t #define CFS_CONF_OFFSET_TYPE uint16_t #define COFFEE_WRITE(buf, size, offset) \ avr_flash_write(offset, (uint8_t *) buf, size) #define COFFEE_READ(buf, size, offset) \ avr_flash_read(offset, (uint8_t *) buf, size) #define COFFEE_ERASE(sector) avr_flash_erase(sector) void avr_flash_erase(coffee_page_t sector); void avr_flash_read (CFS_CONF_OFFSET_TYPE addr, uint8_t *buf, CFS_CONF_OFFSET_TYPE size); void avr_flash_write(CFS_CONF_OFFSET_TYPE addr, uint8_t *buf, CFS_CONF_OFFSET_TYPE size); #endif /* COFFEE_AVR_FLASH */ #endif /* !COFFEE_ARCH_H */