/* * 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 of the following for the coffee file sytem //A static file sysstem allows file rewrites but no extensions or new files //This allows a static linked list to index into the file system #if COFFEE_FILES==1 //1=eeprom for static file system #define COFFEE_AVR_EEPROM 1 #define COFFEE_STATIC 1 #elif COFFEE_FILES==2 //2=eeprom for full file system #define COFFEE_AVR_EEPROM 1 #elif COFFEE_FILES==3 //3=program flash for static file system #define COFFEE_AVR_FLASH 1 #define COFFEE_STATIC 1 #else //4=program flash with full file system #define COFFEE_AVR_FLASH 1 #endif #ifdef COFFEE_AVR_EEPROM #include "dev/eeprom.h" //1284p EEPROM has 512 pages of 8 bytes each = 4KB #if COFFEE_ADDRESS==DEFAULT //Make can pass starting address with COFFEE_ADDRESS=0xnnnnnnnn #undef COFFEE_ADDRESS #ifdef CFS_EEPROM_CONF_OFFSET //Else use the platform default #define COFFEE_ADDRESS CFS_EEPROM_CONF_OFFSET #else //Use zero if no default defined #define COFFEE_ADDRESS 0 #endif #endif /* Byte page size, starting address, and size of the file system */ #define COFFEE_PAGE_SIZE 16UL #define COFFEE_START COFFEE_ADDRESS #define COFFEE_SIZE ((3 * 1024U) - COFFEE_START) /* These must agree with the parameters passed to makefsdata */ #define COFFEE_SECTOR_SIZE (COFFEE_PAGE_SIZE*4) #define COFFEE_NAME_LENGTH 16 /* These are used internally by the coffee file system */ #define COFFEE_MAX_OPEN_FILES 4 #define COFFEE_FD_SET_SIZE 8 #define COFFEE_LOG_TABLE_LIMIT 16 #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... */ /* Byte page size, starting address on page boundary, and size of the file system */ #define COFFEE_PAGE_SIZE (2*SPM_PAGESIZE) #ifndef COFFEE_ADDRESS //Make can pass starting address with COFFEE_ADDRESS=0xnnnnnnnn, default is 64KB for webserver #define COFFEE_ADDRESS 0x10000 #endif #define COFFEE_PAGES (512-(COFFEE_ADDRESS/COFFEE_PAGE_SIZE)-32) #define COFFEE_START (COFFEE_ADDRESS & ~(COFFEE_PAGE_SIZE-1)) //#define COFFEE_START (COFFEE_PAGE_SIZE*COFFEE_PAGES) #define COFFEE_SIZE (COFFEE_PAGES*COFFEE_PAGE_SIZE) /* These must agree with the parameters passed to makefsdata */ #define COFFEE_SECTOR_SIZE (COFFEE_PAGE_SIZE*1) #define COFFEE_NAME_LENGTH 16 /* These are used internally by the AVR flash read routines */ /* Word reads are faster but take 130 bytes more PROGMEM */ #define FLASH_WORD_READS 1 /* 1=Slower reads, but no page writes after erase and 18 bytes less PROGMEM. Best for dynamic file system */ #define FLASH_COMPLEMENT_DATA 0 /* These are used internally by the coffee file system */ /* Micro logs are not needed for single page sectors */ #define COFFEE_MAX_OPEN_FILES 4 #define COFFEE_FD_SET_SIZE 8 #define COFFEE_LOG_TABLE_LIMIT 16 #define COFFEE_DYN_SIZE (COFFEE_PAGE_SIZE*1) #define COFFEE_MICRO_LOGS 0 #define COFFEE_LOG_SIZE 128 /* 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); #define avr_httpd_fs_cpy(dest,addr,size) avr_flash_read((CFS_CONF_OFFSET_TYPE) addr, (uint8_t *)dest, (CFS_CONF_OFFSET_TYPE) size) char avr_httpd_fs_getchar(char *addr); char * avr_httpd_fs_strchr (char *ram, int character); int avr_httpd_fs_strcmp (char *addr,char *ram); #endif /* COFFEE_AVR_FLASH */ #endif /* !COFFEE_ARCH_H */