nes-proj/arch/cpu/cc2538/cfs-coffee-arch.h

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/*
* Copyright (c) 2013, ADVANSEE - http://www.advansee.com/
* 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 copyright holder 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 COPYRIGHT HOLDERS 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
* COPYRIGHT HOLDER 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.
*/
/**
* \addtogroup cc2538
* @{
*
* \defgroup cc2538-cfs-coffee-arch cc2538 Coffee port module
*
* Module for the cc2538 Coffee port
* @{
*
* \file
* Header file for the cc2538 Coffee port module
*/
#ifndef CFS_COFFEE_ARCH_H_
#define CFS_COFFEE_ARCH_H_
#include "contiki.h"
#include "cfs/cfs-coffee.h"
#include "dev/cc2538-dev.h"
#include "dev/flash.h"
#include <stdint.h>
#ifdef COFFEE_CONF_CUSTOM_PORT
#include COFFEE_CONF_CUSTOM_PORT
#else
/*---------------------------------------------------------------------------*/
/** \name Coffee port constants
* @{
*/
/** Logical sector size */
#ifdef COFFEE_CONF_SECTOR_SIZE
#define COFFEE_SECTOR_SIZE COFFEE_CONF_SECTOR_SIZE
#else
#define COFFEE_SECTOR_SIZE FLASH_PAGE_SIZE
#endif
/** Logical page size */
#ifdef COFFEE_CONF_PAGE_SIZE
#define COFFEE_PAGE_SIZE COFFEE_CONF_PAGE_SIZE
#else
#define COFFEE_PAGE_SIZE (COFFEE_SECTOR_SIZE / 8)
#endif
/** Start offset of the file system */
#ifdef COFFEE_CONF_START
#define COFFEE_START COFFEE_CONF_START
#else
#define COFFEE_START CC2538_DEV_FLASH_ADDR
#endif
/** Total size in bytes of the file system */
#ifdef COFFEE_CONF_SIZE
#define COFFEE_SIZE COFFEE_CONF_SIZE
#else
#define COFFEE_SIZE 0
#endif
/** Maximal filename length */
#ifdef COFFEE_CONF_NAME_LENGTH
#define COFFEE_NAME_LENGTH COFFEE_CONF_NAME_LENGTH
#else
#define COFFEE_NAME_LENGTH 40
#endif
/** Number of file cache entries */
#ifdef COFFEE_CONF_MAX_OPEN_FILES
#define COFFEE_MAX_OPEN_FILES COFFEE_CONF_MAX_OPEN_FILES
#else
#define COFFEE_MAX_OPEN_FILES 5
#endif
/** Number of file descriptor entries */
#ifdef COFFEE_CONF_FD_SET_SIZE
#define COFFEE_FD_SET_SIZE COFFEE_CONF_FD_SET_SIZE
#else
#define COFFEE_FD_SET_SIZE 5
#endif
/** Maximal amount of log table entries read in one batch */
#ifdef COFFEE_CONF_LOG_TABLE_LIMIT
#define COFFEE_LOG_TABLE_LIMIT COFFEE_CONF_LOG_TABLE_LIMIT
#else
#define COFFEE_LOG_TABLE_LIMIT 16
#endif
/** Default reserved file size */
#ifdef COFFEE_CONF_DYN_SIZE
#define COFFEE_DYN_SIZE COFFEE_CONF_DYN_SIZE
#else
#define COFFEE_DYN_SIZE (COFFEE_SECTOR_SIZE - 50)
#endif
/** Default micro-log size */
#ifdef COFFEE_CONF_LOG_SIZE
#define COFFEE_LOG_SIZE COFFEE_CONF_LOG_SIZE
#else
#define COFFEE_LOG_SIZE (4 * COFFEE_PAGE_SIZE)
#endif
/** Whether Coffee will use micro logs */
#ifdef COFFEE_CONF_MICRO_LOGS
#define COFFEE_MICRO_LOGS COFFEE_CONF_MICRO_LOGS
#else
#define COFFEE_MICRO_LOGS 0
#endif
/** Whether files are expected to be appended to only */
#ifdef COFFEE_CONF_APPEND_ONLY
#define COFFEE_APPEND_ONLY COFFEE_CONF_APPEND_ONLY
#else
#define COFFEE_APPEND_ONLY 1
#endif
/** @} */
/*---------------------------------------------------------------------------*/
/** \name Coffee port macros
* @{
*/
/** Erase */
#define COFFEE_ERASE(sector) \
cfs_coffee_arch_erase(sector)
/** Write */
#define COFFEE_WRITE(buf, size, offset) \
cfs_coffee_arch_write((buf), (size), (offset))
/** Read */
#define COFFEE_READ(buf, size, offset) \
cfs_coffee_arch_read((buf), (size), (offset))
/** @} */
/*---------------------------------------------------------------------------*/
/** \name Coffee port types
* @{
*/
typedef int16_t coffee_page_t; /**< Page */
/** @} */
/*---------------------------------------------------------------------------*/
/** \name Coffee port functions
* @{
*/
/** \brief Erases a device sector
* \param sector Sector to erase
*/
void cfs_coffee_arch_erase(uint16_t sector);
/** \brief Writes a buffer to the device
* \param buf Pointer to the buffer
* \param size Byte size of the buffer
* \param offset Device offset to write to
*/
void cfs_coffee_arch_write(const void *buf, unsigned int size,
cfs_offset_t offset);
/** \brief Reads from the device to a buffer
* \param buf Pointer to the buffer
* \param size Byte size of the buffer
* \param offset Device offset to read from
*/
void cfs_coffee_arch_read(void *buf, unsigned int size, cfs_offset_t offset);
/** @} */
#endif /* COFFEE_CONF_CUSTOM_PORT */
#endif /* CFS_COFFEE_ARCH_H_ */
/**
* @}
* @}
*/