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RIOT/cpu/ezr32wg/periph/cpuid.c
Hauke Petersen 940097336a cpu: cleanup and unification of CPUID implementations
- moved definition of CPUID_LEN to periph_cpu.h
- fixed some doxygen
- simplyfied some implementations
2016-02-08 14:36:03 +01:00

36 lines
711 B
C

/*
* Copyright (C) 2014-2016 Freie Universität Berlin
*
* 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.
*/
/**
* @addtogroup cpu_ezr32wg
* @{
*
* @file
* @brief Low-level CPUID driver implementation
*
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
*
* @}
*/
#include <stdint.h>
#include <string.h>
#include "periph/cpuid.h"
void cpuid_get(void *id)
{
uint32_t tmp;
uint8_t *res = (uint8_t *)id;
tmp = DEVINFO->UNIQUEL;
memcpy((res + 4), &tmp, sizeof(uint32_t));
tmp = DEVINFO->UNIQUEH;
memcpy(res, &tmp, sizeof(uint32_t));
}