Burn and restore node id using external flash of Wismote
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suman_panchal
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6ac939bc58
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5a07279c4f
80
platform/wismote/apps/burn-nodeid.c
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80
platform/wismote/apps/burn-nodeid.c
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/*
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* Copyright (c) 2006, 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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* A program for burning a node ID into the external flash of a Wismote.
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* \author
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* Adam Dunkels <adam@sics.se>
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*/
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#include "dev/leds.h"
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#include "dev/watchdog.h"
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#include "sys/node-id.h"
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#include "contiki.h"
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#include "sys/etimer.h"
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#include <stdio.h>
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static struct etimer etimer;
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PROCESS(burn_process, "Burn node id");
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AUTOSTART_PROCESSES(&burn_process);
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(burn_process, ev, data)
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{
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PROCESS_BEGIN();
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etimer_set(&etimer, 5 * CLOCK_SECOND);
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PROCESS_WAIT_UNTIL(etimer_expired(&etimer));
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watchdog_stop();
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leds_on(LEDS_RED);
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#if NODEID
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printf("Burning node id %d\n", NODEID);
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node_id_burn(NODEID);
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leds_on(LEDS_BLUE);
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node_id_restore();
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printf("Restored node id %d\n", node_id);
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#else
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#error "burn-nodeid must be compiled with nodeid=<the ID of the node>"
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node_id_restore();
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printf("Restored node id %d\n", node_id);
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#endif
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leds_off(LEDS_RED + LEDS_BLUE);
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watchdog_start();
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while(1) {
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PROCESS_WAIT_EVENT();
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}
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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@ -229,10 +229,12 @@ main(int argc, char **argv)
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* Hardware initialization done!
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*/
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node_id = NODE_ID;
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/* Restore node id if such has been stored in external mem */
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//node_id_restore();
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node_id_restore();
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if(!node_id) {
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node_id = NODE_ID;
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}
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/* for setting "hardcoded" IEEE 802.15.4 MAC addresses */
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#ifdef IEEE_802154_MAC_ADDRESS
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@ -47,25 +47,25 @@ unsigned short node_id = 0;
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void
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node_id_restore(void)
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{
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/* unsigned char buf[4]; */
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/* xmem_pread(buf, 4, NODE_ID_XMEM_OFFSET); */
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/* if(buf[0] == 0xad && */
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/* buf[1] == 0xde) { */
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/* node_id = (buf[2] << 8) | buf[3]; */
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/* } else { */
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unsigned char buf[4];
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xmem_pread(buf, 4, NODE_ID_XMEM_OFFSET);
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if(buf[0] == 0xad &&
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buf[1] == 0xde) {
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node_id = (buf[2] << 8) | buf[3];
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} else {
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node_id = 0;
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/* } */
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}
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}
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/*---------------------------------------------------------------------------*/
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void
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node_id_burn(unsigned short id)
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{
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/* unsigned char buf[4]; */
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/* buf[0] = 0xad; */
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/* buf[1] = 0xde; */
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/* buf[2] = id >> 8; */
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/* buf[3] = id & 0xff; */
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//xmem_erase(XMEM_ERASE_UNIT_SIZE, NODE_ID_XMEM_OFFSET);
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//xmem_pwrite(buf, 4, NODE_ID_XMEM_OFFSET);
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unsigned char buf[4];
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buf[0] = 0xad;
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buf[1] = 0xde;
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buf[2] = id >> 8;
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buf[3] = id & 0xff;
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xmem_erase(XMEM_ERASE_UNIT_SIZE, NODE_ID_XMEM_OFFSET);
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xmem_pwrite(buf, 4, NODE_ID_XMEM_OFFSET);
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}
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/*---------------------------------------------------------------------------*/
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