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39 lines
909 B
C
39 lines
909 B
C
/*
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* Copyright (C) 2015 Freie Universität Berlin
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*
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* This file is subject to the terms and conditions of the GNU Lesser General
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* Public License v2.1. See the file LICENSE in the top level directory for more
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* details.
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*/
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/**
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* @ingroup cpu_lpc11u34
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* @{
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*
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* @file
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* @brief Low-level CPUID driver implementation
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*
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* @author Paul RATHGEB <paul.rathgeb@skynet.be>
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*/
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#include <string.h>
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#include "periph/cpuid.h"
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/* IAP base address */
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#define IAP_ADDRESS 0x1FFF1FF1
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void cpuid_get(void *id)
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{
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uint32_t result[5];
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/* IAP command for UUID : 58 (UM10462 page 409) */
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uint32_t command = 58;
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/* Define pointer to function type */
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void (*iap)(uint32_t[], uint32_t[]);
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/* Set the function pointer */
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iap = (void (*)(uint32_t[], uint32_t[])) IAP_ADDRESS;
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/* Read UUID */
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iap(&command, result);
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memcpy(id, &result[1], CPUID_ID_LEN);
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}
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/** @} */
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