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cpu/sam21_common: unified CPUID implementation

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This commit is contained in:
Hauke Petersen 2016-02-08 18:55:43 +01:00
parent 1d766bdb9e
commit 722b342df3
3 changed files with 37 additions and 78 deletions
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37
cpu/sam21_common/periph/cpuid.c Normal file
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/*
* 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_sam21_common
* @{
*
* @file
* @brief Low-level CPUID driver implementation
*
* @author Troels Hoffmeyer <troels.d.hoffmeyer@gmail.com>
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
*
* @}
*/
#include <stdint.h>
#include <string.h>
#include "periph/cpuid.h"
#define WORD0 (*(volatile uint32_t *)0x0080A00C)
#define WORD1 (*(volatile uint32_t *)0x0080A040)
#define WORD2 (*(volatile uint32_t *)0x0080A044)
#define WORD3 (*(volatile uint32_t *)0x0080A048)
void cpuid_get(void *id)
{
uint32_t addr[] = { WORD0, WORD1, WORD2, WORD3 };
memcpy(id, (void *)addr, CPUID_LEN);
}

39
cpu/samd21/periph/cpuid.c
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/*
* 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_samd21
* @{
*
* @file
* @brief Low-level CPUID driver implementation
*
* @author Troels Hoffmeyer <troels.d.hoffmeyer@gmail.com>
*
* @}
*/
#include <stdint.h>
#include <string.h>
#include "periph/cpuid.h"
#define SAMD21_CPUID_WORD0 (*(volatile uint32_t *)0x0080A00C)
#define SAMD21_CPUID_WORD1 (*(volatile uint32_t *)0x0080A040)
#define SAMD21_CPUID_WORD2 (*(volatile uint32_t *)0x0080A044)
#define SAMD21_CPUID_WORD3 (*(volatile uint32_t *)0x0080A048)
void cpuid_get(void *id)
{
uint32_t source_address[] = { SAMD21_CPUID_WORD0,
SAMD21_CPUID_WORD1,
SAMD21_CPUID_WORD2,
SAMD21_CPUID_WORD3};
memcpy(id, (void*) source_address, CPUID_LEN);
}

39
cpu/saml21/periph/cpuid.c
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/*
* 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_saml21
* @{
*
* @file
* @brief Low-level CPUID driver implementation
*
* @author Troels Hoffmeyer <troels.d.hoffmeyer@gmail.com>
*
* @}
*/
#include <stdint.h>
#include <string.h>
#include "periph/cpuid.h"
#define SAML21_CPUID_WORD0 (*(volatile uint32_t *)0x0080A00C)
#define SAML21_CPUID_WORD1 (*(volatile uint32_t *)0x0080A040)
#define SAML21_CPUID_WORD2 (*(volatile uint32_t *)0x0080A044)
#define SAML21_CPUID_WORD3 (*(volatile uint32_t *)0x0080A048)
void cpuid_get(void *id)
{
uint32_t source_address[] = { SAML21_CPUID_WORD0,
SAML21_CPUID_WORD1,
SAML21_CPUID_WORD2,
SAML21_CPUID_WORD3};
memcpy(id, (void*) source_address, CPUID_LEN);
}