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62 lines
2.3 KiB
C
62 lines
2.3 KiB
C
// Copyright 2020 Lukas Haubaum
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//
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// Licensed under the GNU Affero General Public License, Version 3;
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// https://www.gnu.org/licenses/agpl-3.0.html
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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/**
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* @file
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*
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* @brief handles scanned data by storing temporary beacons, check for threshold and store beacons permanently
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*
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*/
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#ifndef _ena_BEACON_H_
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#define _ena_BEACON_H_
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#define ENA_BEACON_LOG "ESP-ENA-beacon" // TAG for Logging
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#define ENA_BEACON_TRESHOLD (CONFIG_ENA_BEACON_TRESHOLD) // meet for longer than 5 minutes
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#define ENA_BEACON_CLEANUP_TRESHOLD (CONFIG_ENA_BEACON_CLEANUP_TRESHOLD) // threshold (in days) for stored beacons to be removed
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/**
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* @brief check temporary beacon for threshold or expiring
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*
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* This function checks all current temporary beacons if the contact threshold is
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* reached or if the temporary contact can be discarded.
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*
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* @param[in] unix_timestamp current time as UNIX timestamp to compare
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*
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*/
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void ena_beacons_temp_refresh(uint32_t unix_timestamp);
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/**
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* @brief check stored beacons to expire
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*
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* This function checks for all stored beacons if the last timestamp is over a threshold to remove the beacon.
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*
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* @param[in] unix_timestamp current time as UNIX timestamp to compate
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*
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*/
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void ena_beacons_cleanup(uint32_t unix_timestamp);
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/**
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* @brief handle new beacon received from a BLE scan
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*
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* This function gets called when a running BLE scan received a new ENA payload.
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* On already detected RPI this will update just the timestamp and RSSI.
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*
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* @param[in] unix_timestamp UNIX timestamp when beacon was made
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* @param[in] rpi received RPI from scanned payload
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* @param[in] aem received AEM from scanned payload
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* @param[in] rssi measured RSSI on scan
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*
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*/
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void ena_beacon(uint32_t unix_timestamp, uint8_t *rpi, uint8_t *aem, int rssi);
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#endif |