contiki/platform/z1/cfs-coffee-arch.h

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/*
* 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
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* Coffee architecture-dependent header for the Zolertia Z1 platform.
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* \author
* Nicolas Tsiftes <nvt@sics.se>
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* Enric M. Calvo <ecalvo@zolertia.com>
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*/
#ifndef CFS_COFFEE_ARCH_H
#define CFS_COFFEE_ARCH_H
#include "contiki-conf.h"
#include "dev/xmem.h"
#include "dev/watchdog.h"
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/*** M25P16 Memory Organization
The memory is organized as:
16Mbit = 2 097 152 bytes (8 bits each)
32 sectors (512 Kbits, 65536 bytes each)
8192 pages (256 bytes each).
Each page can be individually programmed (bits are programmed from 1 to 0). The device is
sector or bulk erasable (bits are erased from 0 to 1) but not page erasable
*/
#define COFFEE_XMEM_TOTAL_SIZE_KB 2048UL //Total size of the External Flash Memory in the Z1
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/* Coffee configuration parameters. */
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#define COFFEE_SECTOR_SIZE 65536UL
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#define COFFEE_PAGE_SIZE 256UL
#define COFFEE_START COFFEE_SECTOR_SIZE
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#define COFFEE_SIZE (COFFEE_XMEM_TOTAL_SIZE_KB * 1024UL - COFFEE_START)
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#define COFFEE_NAME_LENGTH 16
#define COFFEE_MAX_OPEN_FILES 6
#define COFFEE_FD_SET_SIZE 8
#define COFFEE_LOG_TABLE_LIMIT 256
#define COFFEE_DYN_SIZE 4*1024
#define COFFEE_LOG_SIZE 1024
#define COFFEE_MICRO_LOGS 1
#define COFFEE_WATCHDOG_START() watchdog_start()
#define COFFEE_WATCHDOG_STOP() watchdog_stop()
/* Flash operations. */
#define COFFEE_WRITE(buf, size, offset) \
xmem_pwrite((char *)(buf), (size), COFFEE_START + (offset))
#define COFFEE_READ(buf, size, offset) \
xmem_pread((char *)(buf), (size), COFFEE_START + (offset))
#define COFFEE_ERASE(sector) \
xmem_erase(COFFEE_SECTOR_SIZE, COFFEE_START + (sector) * COFFEE_SECTOR_SIZE)
/* Coffee types. */
typedef int16_t coffee_page_t;
#endif /* !COFFEE_ARCH_H */