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Node IDs are stored in external memory and restored on bootup

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This commit is contained in:
nifi 2007-03-23 09:59:08 +00:00
parent a2c3501728
commit 54228ae6e4
3 changed files with 125 additions and 7 deletions
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16
platform/sky/contiki-conf.h
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@ -1,5 +1,5 @@
/* -*- C -*- */
/* @(#)$Id: contiki-conf.h,v 1.9 2007/03/23 00:00:15 adamdunkels Exp $ */
/* @(#)$Id: contiki-conf.h,v 1.10 2007/03/23 09:59:08 nifi Exp $ */
#ifndef CONTIKI_CONF_H
#define CONTIKI_CONF_H
@ -9,11 +9,6 @@
#define LPM_CONF_OFF LPM4_EXIT
#define CFS_RAM_CONF_SIZE 4096
#define NODE_ID_XMEM_OFFSET 0x0010 /* - 0x0014 */
#define CFS_XMEM_CONF_OFFSET 0x0040
#define IRQ_PORT1 0x01
#define IRQ_PORT2 0x02
#define IRQ_ADC 0x03
@ -87,9 +82,16 @@ typedef unsigned long off_t;
#define ROM_ERASE_UNIT_SIZE 512
#define XMEM_ERASE_UNIT_SIZE (64*1024L)
/* Use the first 64k of external flash for codeprop. */
/* Use the first 64k of external flash for node configuration */
#define NODE_ID_XMEM_OFFSET (0 * XMEM_ERASE_UNIT_SIZE)
/* Use the second 64k of external flash for codeprop. */
#define EEPROMFS_ADDR_CODEPROP (1 * XMEM_ERASE_UNIT_SIZE)
#define CFS_XMEM_CONF_OFFSET (2 * XMEM_ERASE_UNIT_SIZE)
#define CFS_RAM_CONF_SIZE 4096
#define CC2420_RADIO
/*
* SPI bus configuration for the TMote Sky.

72
platform/sky/node-id.c Normal file
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@ -0,0 +1,72 @@
/*
* Copyright (c) 2006, 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.
*
* $Id: node-id.c,v 1.1 2007/03/23 09:59:08 nifi Exp $
*/
/**
* \file
* Utility to store a node id in the external flash
* \author
* Adam Dunkels <adam@sics.se>
*/
#include "node-id.h"
#include "contiki-conf.h"
#include "dev/xmem.h"
unsigned short node_id = 0;
/*---------------------------------------------------------------------------*/
void
node_id_restore(void)
{
unsigned char buf[4];
xmem_pread(buf, 4, NODE_ID_XMEM_OFFSET);
if(buf[0] == 0xad &&
buf[1] == 0xde) {
node_id = (buf[2] << 8) | buf[3];
} else {
node_id = 0;
}
}
/*---------------------------------------------------------------------------*/
void
node_id_burn(unsigned short id)
{
unsigned char buf[4];
buf[0] = 0xad;
buf[1] = 0xde;
buf[2] = id >> 8;
buf[3] = id & 0xff;
xmem_erase(XMEM_ERASE_UNIT_SIZE, NODE_ID_XMEM_OFFSET);
xmem_pwrite(buf, 4, NODE_ID_XMEM_OFFSET);
}
/*---------------------------------------------------------------------------*/

44
platform/sky/node-id.h Normal file
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@ -0,0 +1,44 @@
/*
* Copyright (c) 2006, 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.
*
* Author: Adam Dunkels <adam@sics.se>
*
* $Id: node-id.h,v 1.1 2007/03/23 09:59:08 nifi Exp $
*/
#ifndef __NODE_ID_H__
#define __NODE_ID_H__
void node_id_restore(void);
void node_id_burn(unsigned short node_id);
extern unsigned short node_id;
#endif /* __NODE_ID_H__ */