144 lines
4.0 KiB
C
144 lines
4.0 KiB
C
/**
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* Copyright (c) 2012 - 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 "sdk_common.h"
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#if NRF_MODULE_ENABLED(BLE_GLS)
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#include "ble_gls_db.h"
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typedef struct
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{
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bool in_use_flag;
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ble_gls_rec_t record;
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} database_entry_t;
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static database_entry_t m_database[BLE_GLS_DB_MAX_RECORDS];
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static uint8_t m_database_crossref[BLE_GLS_DB_MAX_RECORDS];
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static uint16_t m_num_records;
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uint32_t ble_gls_db_init(void)
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{
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int i;
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for (i = 0; i < BLE_GLS_DB_MAX_RECORDS; i++)
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{
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m_database[i].in_use_flag = false;
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m_database_crossref[i] = 0xFF;
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}
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m_num_records = 0;
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return NRF_SUCCESS;
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}
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uint16_t ble_gls_db_num_records_get(void)
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{
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return m_num_records;
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}
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uint32_t ble_gls_db_record_get(uint8_t rec_ndx, ble_gls_rec_t * p_rec)
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{
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if (rec_ndx >= m_num_records)
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{
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return NRF_ERROR_INVALID_PARAM;
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}
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// copy record to the specified memory
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*p_rec = m_database[m_database_crossref[rec_ndx]].record;
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return NRF_SUCCESS;
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}
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uint32_t ble_gls_db_record_add(ble_gls_rec_t * p_rec)
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{
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int i;
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if (m_num_records == BLE_GLS_DB_MAX_RECORDS)
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{
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return NRF_ERROR_NO_MEM;
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}
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// find next available database entry
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for (i = 0; i < BLE_GLS_DB_MAX_RECORDS; i++)
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{
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if (!m_database[i].in_use_flag)
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{
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m_database[i].in_use_flag = true;
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m_database[i].record = *p_rec;
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m_database_crossref[m_num_records] = i;
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m_num_records++;
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return NRF_SUCCESS;
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}
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}
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return NRF_ERROR_NO_MEM;
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}
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uint32_t ble_gls_db_record_delete(uint8_t rec_ndx)
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{
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int i;
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if (rec_ndx >= m_num_records)
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{
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return NRF_ERROR_NOT_FOUND;
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}
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// free entry
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m_database[m_database_crossref[rec_ndx]].in_use_flag = false;
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// decrease number of records
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m_num_records--;
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// remove cross reference index
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for (i = rec_ndx; i < m_num_records; i++)
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{
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m_database_crossref[i] = m_database_crossref[i + 1];
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}
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return NRF_SUCCESS;
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}
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#endif // NRF_MODULE_ENABLED(BLE_GLS)
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