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RIOT/drivers/periph_common/cpuid.c
Marian Buschsieweke 697448e51c
drivers/periph_cpuid: Minor cleanup
Avoid use of `memcpy` altogether to work around false positive of
`-Warray-bounds` in newer GCC versions.
2022-04-11 12:01:57 +02:00

43 lines
974 B
C

/*
* Copyright (C) 2017 Eistec AB
* Copyright (C) 2014-2016 Freie Universität Berlin
* Copyright (C) 2015 James Hollister
*
* 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 drivers_periph_cpuid
* @{
*
* @file
* @brief Generic implementation of the CPUID driver interface
*
* @author Thomas Eichinger <thomas.eichinger@fu-berlin.de>
* @author James Hollister <jhollisterjr@gmail.com>
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
* @author Joakim Nohlgård <joakim.nohlgard@eistec.se>
*
* @}
*/
#include <stdint.h>
#include <string.h>
#include "periph/cpuid.h"
typedef struct {
uint8_t id[CPUID_LEN];
} cpuid_t;
#ifdef CPUID_ADDR
void cpuid_get(void *id)
{
cpuid_t *dest = id;
const volatile cpuid_t *src = (const void *)CPUID_ADDR;
*dest = *src;
}
#endif