62 lines
2.7 KiB
C
62 lines
2.7 KiB
C
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/**
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******************************************************************************
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* @file node-id.c
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* @author System LAB
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* @version V1.0.0
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* @date 17-June-2015
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* @brief Source file for node Id
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******************************************************************************
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* @attention
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*
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* <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics 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 COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND 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 ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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 OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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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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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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#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 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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