75 lines
2.8 KiB
C
75 lines
2.8 KiB
C
/**
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* Copyright (c) 2009 - 2020, Nordic Semiconductor ASA
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form, except as embedded into a Nordic
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* Semiconductor ASA integrated circuit in a product or a software update for
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* such product, must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* 3. Neither the name of Nordic Semiconductor ASA nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* 4. This software, with or without modification, must only be used with a
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* Nordic Semiconductor ASA integrated circuit.
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*
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* 5. Any software provided in binary form under this license must not be reverse
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* engineered, decompiled, modified and/or disassembled.
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*
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* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include "nrf_gzp.h"
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#include "nrf_nvmc.h"
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/**
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* @file
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* @brief Implementation of Gazell Pairing Library (gzp), nRF5x specific Host functions.
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* @defgroup gzp_source_host_nrf5x Gazell Pairing Host nRF5x specific implementation
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* @{
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* @ingroup gzp_04_source
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*/
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void gzp_host_chip_id_read(uint8_t *dst, uint8_t n)
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{
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uint8_t i;
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uint8_t random_number;
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if ( *((uint8_t*)(GZP_PARAMS_STORAGE_ADR + GZP_HOST_ID_LENGTH + 1)) == 0xff)
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{
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nrf_nvmc_write_byte((GZP_PARAMS_STORAGE_ADR + GZP_HOST_ID_LENGTH + 1) , 0x00);
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for (i = 0; i < n; i++)
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{
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gzp_random_numbers_generate(&random_number, 1);
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nrf_nvmc_write_byte((GZP_PARAMS_STORAGE_ADR + GZP_HOST_ID_LENGTH + 2 + i) , random_number);
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}
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}
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for (i = 0; i < n; i++)
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{
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*(dst++) = *((uint8_t*)(GZP_PARAMS_STORAGE_ADR + GZP_HOST_ID_LENGTH + 2 + i));
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}
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}
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/** @} */
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