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arch/nrf52: add UID support

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raiden00pl 2020-09-01 08:40:12 +02:00 committed by Matias N
parent 2a4d7de278
commit 0438ed22d0
3 changed files with 87 additions and 0 deletions
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1
arch/arm/src/nrf52/Make.defs
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@ -79,6 +79,7 @@ endif
CHIP_CSRCS = nrf52_start.c nrf52_clockconfig.c nrf52_irq.c nrf52_utils.c
CHIP_CSRCS += nrf52_allocateheap.c nrf52_lowputc.c nrf52_gpio.c nrf52_nvmc.c
CHIP_CSRCS += nrf52_uid.c
ifeq ($(CONFIG_ARCH_CHIP_NRF52832),y)
CHIP_CSRCS += nrf52832_errdata.c

50
arch/arm/src/nrf52/nrf52_uid.c Normal file
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@ -0,0 +1,50 @@
/************************************************************************************
* arch/arm/src/nrf52/nrf52_uid.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
************************************************************************************/
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
#include "arm_arch.h"
#include "nrf52_uid.h"
#include "hardware/nrf52_ficr.h"
/************************************************************************************
* Public Functions
************************************************************************************/
void nrf52_get_uniqueid(uint8_t uniqueid[])
{
uint32_t uid0 = getreg32(NRF52_FICR_BASE + NRF52_FICR_DEVICEID0_OFFSET);
uint32_t uid1 = getreg32(NRF52_FICR_BASE + NRF52_FICR_DEVICEID1_OFFSET);
uniqueid[0] = (uint8_t)((uid0 >> 0) & 0xff);
uniqueid[1] = (uint8_t)((uid0 >> 8) & 0xff);
uniqueid[2] = (uint8_t)((uid0 >> 16) & 0xff);
uniqueid[3] = (uint8_t)((uid0 >> 24) & 0xff);
uniqueid[4] = (uint8_t)((uid1 >> 0) & 0xff);
uniqueid[5] = (uint8_t)((uid1 >> 8) & 0xff);
uniqueid[6] = (uint8_t)((uid1 >> 16) & 0xff);
uniqueid[7] = (uint8_t)((uid1 >> 24) & 0xff);
}

36
arch/arm/src/nrf52/nrf52_uid.h Normal file
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@ -0,0 +1,36 @@
/************************************************************************************
* arch/arm/src/nrf52/nrf52_uid.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
************************************************************************************/
#ifndef __ARCH_ARM_SRC_NRF52_UID_H
#define __ARCH_ARM_SRC_NRF52_UID_H
/************************************************************************************
* Included Files
************************************************************************************/
#include <stdint.h>
/************************************************************************************
* Public Function Prototypes
************************************************************************************/
void nrf52_get_uniqueid(uint8_t uniqueid[]);
#endif /* __ARCH_ARM_SRC_NRF52_UID_H */