2015-10-09 19:40:39 +02:00
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/*
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* Copyright (c) 2012, STMicroelectronics.
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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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*
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*/
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/*---------------------------------------------------------------------------*/
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#include "node-id.h"
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#include "contiki-conf.h"
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#include <string.h>
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/*---------------------------------------------------------------------------*/
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unsigned short node_id = 0;
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unsigned char node_mac[8];
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volatile uint32_t device_id[3];
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/*---------------------------------------------------------------------------*/
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#define DEVICE_ID_REG0 (*((volatile uint32_t *)0x1FF80050))
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#define DEVICE_ID_REG1 (*((volatile uint32_t *)0x1FF80054))
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#define DEVICE_ID_REG2 (*((volatile uint32_t *)0x1FF80064))
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/*---------------------------------------------------------------------------*/
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void
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node_id_restore(void)
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{
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device_id[0] = DEVICE_ID_REG0;
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device_id[1] = DEVICE_ID_REG1;
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device_id[2] = DEVICE_ID_REG2;
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(*(uint32_t *)node_mac) = DEVICE_ID_REG1;
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(*(((uint32_t *)node_mac) + 1)) = DEVICE_ID_REG2 + DEVICE_ID_REG0;
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node_id = (unsigned short)DEVICE_ID_REG2;
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}
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/*---------------------------------------------------------------------------*/
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