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cpu/nrf51822: added driver to get CPUID

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This commit is contained in:
Hauke Petersen 2014-08-27 15:06:39 +02:00
parent 3d611679ee
commit 1de3deff81
2 changed files with 37 additions and 0 deletions
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5
cpu/nrf51822/include/cpu-conf.h
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@ -49,5 +49,10 @@
#endif #endif
/** @} */ /** @} */
/**
* @name Length in bytes for reading CPU_ID
*/
#define CPUID_ID_LEN (8)
#endif /* __CPU_CONF_H */ #endif /* __CPU_CONF_H */
/** @} */ /** @} */

32
cpu/nrf51822/periph/cpuid.c Normal file
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@ -0,0 +1,32 @@
/*
* Copyright (C) 2014 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.
*/
/**
* @ingroup cpu_nrf51822
* @{
*
* @file
* @brief CPU-ID driver implementation
*
* The NRF51822 provides a 64-bit unique identifier, that is unique for each shipped unit.
*
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
*
* @}
*/
#include <string.h>
#include "cpu.h"
#include "cpu-conf.h"
#include "periph/cpuid.h"
void cpuid_get(void *id)
{
memcpy(id, (void*)NRF_FICR->DEVICEID, CPUID_ID_LEN);
}