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171 lines
6.9 KiB
C
171 lines
6.9 KiB
C
/*
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* Copyright (c) 2008, Swedish Institute of Computer Science
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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 AVR-Raven 1284p platform.
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* The 1284p has 4KB of onboard EEPROM and 128KB of program flash.
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* \author
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* Frederic Thepaut <frederic.thepaut@inooi.com>
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* David Kopf <dak664@embarqmail.com>
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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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//Currently you may choose just one of the following for the coffee file sytem
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//A static file sysstem allows file rewrites but no extensions or new files
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//This allows a static linked list to index into the file system
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#if COFFEE_FILES==1 //1=eeprom for static file system
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#define COFFEE_AVR_EEPROM 1
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#define COFFEE_STATIC 1
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#elif COFFEE_FILES==2 //2=eeprom for full file system
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#define COFFEE_AVR_EEPROM 1
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#elif COFFEE_FILES==2 //3=program flash for static file system
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#define COFFEE_AVR_FLASH 1
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#define COFFEE_STATIC 1
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#else //4=program flash with full file system
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#define COFFEE_AVR_FLASH 1
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#endif
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#ifdef COFFEE_AVR_EEPROM
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#include "dev/eeprom.h"
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//1284p EEPROM has 512 pages of 8 bytes each = 4KB
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#if COFFEE_ADDRESS==DEFAULT //Make can pass starting address with COFFEE_ADDRESS=0xnnnnnnnn
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#undef COFFEE_ADDRESS
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#ifdef CFS_EEPROM_CONF_OFFSET //Else use the platform default
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#define COFFEE_ADDRESS CFS_EEPROM_CONF_OFFSET
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#else //Use zero if no default defined
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#define COFFEE_ADDRESS 0
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#endif
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#endif
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/* Byte page size, starting address, and size of the file system */
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#define COFFEE_PAGE_SIZE 16UL
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#define COFFEE_START COFFEE_ADDRESS
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#define COFFEE_SIZE ((3 * 1024U) - COFFEE_START)
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/* These must agree with the parameters passed to makefsdata */
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#define COFFEE_SECTOR_SIZE (COFFEE_PAGE_SIZE*4)
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#define COFFEE_NAME_LENGTH 16
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/* These are used internally by the coffee file system */
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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_LOG_TABLE_LIMIT 16
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#define COFFEE_DIR_CACHE_ENTRIES 1
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#define COFFEE_DYN_SIZE (COFFEE_PAGE_SIZE * 4)
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#define COFFEE_LOG_SIZE 128
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typedef int16_t coffee_page_t;
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typedef uint16_t coffee_offset_t;
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#define COFFEE_ERASE(sector) avr_eeprom_erase(sector)
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void avr_eeprom_erase(uint16_t sector);
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#define COFFEE_WRITE(buf, size, offset) \
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eeprom_write(COFFEE_START + (offset), (unsigned char *)(buf), (size))
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#define COFFEE_READ(buf, size, offset) \
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eeprom_read (COFFEE_START + (offset), (unsigned char *)(buf), (size))
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#endif /* COFFEE_AVR_EEPROM */
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#ifdef COFFEE_AVR_FLASH
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/* 1284p PROGMEM has 512 pages of 256 bytes each = 128KB
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* Writing to the last 32 NRRW pages will halt the CPU.
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* Take care not to overwrite the .bootloader section...
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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 COFFEE_PAGE_SIZE (2*SPM_PAGESIZE)
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#ifndef COFFEE_ADDRESS //Make can pass starting address with COFFEE_ADDRESS=0xnnnnnnnn, default is 64KB for webserver
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#define COFFEE_ADDRESS 0x10000
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#endif
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#define COFFEE_PAGES (512-(COFFEE_ADDRESS/COFFEE_PAGE_SIZE)-32)
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#define COFFEE_START (COFFEE_ADDRESS & ~(COFFEE_PAGE_SIZE-1))
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//#define COFFEE_START (COFFEE_PAGE_SIZE*COFFEE_PAGES)
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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 (COFFEE_PAGE_SIZE*1)
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#define COFFEE_NAME_LENGTH 16
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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_LOG_TABLE_LIMIT 16
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#define COFFEE_DIR_CACHE_ENTRIES 1
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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_SIZE 128
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/* coffee_page_t is used for page and sector numbering
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* uint8_t can handle 511 pages.
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* cfs_offset_t is used for full byte addresses
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* If CFS_CONF_OFFSET_TYPE is not defined it defaults to int.
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* uint16_t can handle up to a 65535 byte file system.
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*/
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#define coffee_page_t uint8_t
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#define CFS_CONF_OFFSET_TYPE uint16_t
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#define COFFEE_WRITE(buf, size, offset) \
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avr_flash_write(offset, (uint8_t *) buf, size)
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#define COFFEE_READ(buf, size, offset) \
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avr_flash_read(offset, (uint8_t *) buf, size)
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#define COFFEE_ERASE(sector) avr_flash_erase(sector)
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void avr_flash_erase(coffee_page_t sector);
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void avr_flash_read (CFS_CONF_OFFSET_TYPE addr, uint8_t *buf, CFS_CONF_OFFSET_TYPE size);
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void avr_flash_write(CFS_CONF_OFFSET_TYPE addr, uint8_t *buf, CFS_CONF_OFFSET_TYPE size);
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#define avr_httpd_fs_cpy(dest,addr,size) avr_flash_read((CFS_CONF_OFFSET_TYPE) addr, (uint8_t *)dest, (CFS_CONF_OFFSET_TYPE) size)
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char avr_httpd_fs_getchar(char *addr);
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char * avr_httpd_fs_strchr (char *ram, int character);
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int avr_httpd_fs_strcmp (char *addr,char *ram);
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#endif /* COFFEE_AVR_FLASH */
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#endif /* !COFFEE_ARCH_H */
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