diff options
Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/experimental_ble_lns/ble_ln_db.c')
-rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/experimental_ble_lns/ble_ln_db.c | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/experimental_ble_lns/ble_ln_db.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/experimental_ble_lns/ble_ln_db.c new file mode 100644 index 0000000..d1ef5f6 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/ble/ble_services/experimental_ble_lns/ble_ln_db.c @@ -0,0 +1,151 @@ +/** + * Copyright (c) 2015 - 2018, Nordic Semiconductor ASA + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form, except as embedded into a Nordic + * Semiconductor ASA integrated circuit in a product or a software update for + * such product, must reproduce the above copyright notice, this list of + * conditions and the following disclaimer in the documentation and/or other + * materials provided with the distribution. + * + * 3. Neither the name of Nordic Semiconductor ASA nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * 4. This software, with or without modification, must only be used with a + * Nordic Semiconductor ASA integrated circuit. + * + * 5. Any software provided in binary form under this license must not be reverse + * engineered, decompiled, modified and/or disassembled. + * + * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ +#include "ble_ln_db.h" +#include "ble_ln_common.h" + +typedef struct +{ + bool in_use_flag; + ble_lns_route_t record; +} database_entry_t; + +static database_entry_t m_database[BLE_LNS_MAX_NUM_ROUTES]; +static uint8_t m_database_crossref[BLE_LNS_MAX_NUM_ROUTES]; +static uint16_t m_num_records; + +void ble_ln_db_init(void) +{ + int i; + + for (i = 0; i < BLE_LNS_MAX_NUM_ROUTES; i++) + { + m_database[i].in_use_flag = false; + m_database_crossref[i] = 0xFF; + } + + m_num_records = 0; +} + + +uint16_t ble_ln_db_num_records_get(void) +{ + return m_num_records; +} + + +ret_code_t ble_ln_db_record_get(uint8_t rec_ndx, ble_lns_route_t * p_rec) +{ + if (rec_ndx >= m_num_records) + { + return NRF_ERROR_INVALID_PARAM; + } + + // copy record to the specified memory + *p_rec = m_database[m_database_crossref[rec_ndx]].record; + + return NRF_SUCCESS; +} + + +ret_code_t ble_ln_db_record_name_get(uint8_t rec_ndx, uint8_t ** p_buf) +{ + if (rec_ndx >= m_num_records) + { + return NRF_ERROR_INVALID_PARAM; + } + + // copy record to the specified memory + *p_buf = m_database[m_database_crossref[rec_ndx]].record.route_name; + + return NRF_SUCCESS; +} + + +ret_code_t ble_ln_db_record_add(ble_lns_route_t * p_rec) +{ + int i; + + if (m_num_records == BLE_LNS_MAX_NUM_ROUTES) + { + return NRF_ERROR_NO_MEM; + } + + // find next available database entry + for (i = 0; i < BLE_LNS_MAX_NUM_ROUTES; i++) + { + if (!m_database[i].in_use_flag) + { + m_database[i].in_use_flag = true; + m_database[i].record = *p_rec; + m_database[i].record.route_id = i; + m_database_crossref[m_num_records] = i; + p_rec->route_id = i; + m_num_records++; + return NRF_SUCCESS; + } + } + + return NRF_ERROR_NO_MEM; +} + + +ret_code_t ble_ln_db_record_delete(uint8_t rec_ndx) +{ + int i; + + if (rec_ndx >= m_num_records) + { + return NRF_ERROR_NOT_FOUND; + } + + // free entry + m_database[m_database_crossref[rec_ndx]].in_use_flag = false; + + // decrease number of records + m_num_records--; + + // remove cross reference index + for (i = rec_ndx; i < m_num_records; i++) + { + m_database_crossref[i] = m_database_crossref[i + 1]; + } + + return NRF_SUCCESS; +} |