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/*
* Copyright (C) 2014 Loci Controls Inc.
*
* This file is subject to the terms and conditions of the GNU Lesser General
* Public License v2.1. See the file LICENSE in the top level directory for more
* details.
*/
/**
* @ingroup cpu_cc2538
* @{
*
* @file
* @brief CPU-ID driver implementation
*
* The CC2538 provides a 64-bit unique identifier, that is unique for each shipped unit.
*
* @author Ian Martin <ian@locicontrols.com>
*
* @}
*/
#include <stdint.h>
#include <string.h>
#include "cpu.h"
#include "periph/cpuid.h"
void cpuid_get(void *id)
{
uint8_t *dest = (uint8_t *)id;
/**
* The byte-order is big-endian but the word order is little endian.
* Make some sense of it:
*/
dest[0] = IEEE_ADDR_MSWORD >> (3 * sizeof(uint8_t));
dest[1] = IEEE_ADDR_MSWORD >> (2 * sizeof(uint8_t));
dest[2] = IEEE_ADDR_MSWORD >> (1 * sizeof(uint8_t));
dest[3] = IEEE_ADDR_MSWORD >> (0 * sizeof(uint8_t));
dest[4] = IEEE_ADDR_LSWORD >> (3 * sizeof(uint8_t));
dest[5] = IEEE_ADDR_LSWORD >> (2 * sizeof(uint8_t));
dest[6] = IEEE_ADDR_LSWORD >> (1 * sizeof(uint8_t));
dest[7] = IEEE_ADDR_LSWORD >> (0 * sizeof(uint8_t));
}
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