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https://github.com/CovidBraceletPrj/CovidBracelet.git
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63 lines
1.8 KiB
C
63 lines
1.8 KiB
C
/*
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* Copyright (c) 2020 Olaf Landsiedel
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef CONTACTS_H
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#define CONTACTS_H
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#include <zephyr.h>
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#include <zephyr/types.h>
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#include "covid.h"
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#include "covid_types.h"
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//short term contacts: number of people we meet in the 5 minute window. Records any contact, will later be checked whether this contact is longer than 5 minutes
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#ifndef MAX_CONTACTS
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#define MAX_CONTACTS 1000
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#endif
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//number of contact during on day.
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#ifndef MAX_PERIOD_CONTACTS
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#define MAX_PERIOD_CONTACTS 400
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#endif
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//number of perdios (=days) we record data for
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#ifndef PERIODS
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#define PERIODS 14
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#endif
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typedef struct period_contact {
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uint32_t duration;
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uint16_t cnt;
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int8_t max_rssi; //TODO also store avg rssi?
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rolling_proximity_identifier_t rolling_proximity_identifier;
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associated_encrypted_metadata_t associated_encrypted_metadata;
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} period_contact_t;
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typedef struct period_contacts {
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int cnt;
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period_contact_t period_contacts[MAX_PERIOD_CONTACTS];
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} period_contacts_t;
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typedef struct contact {
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uint32_t most_recent_contact_time; //TODO: what is the correct type here?
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uint32_t first_contact_time; //TODO: what is the correct type here?
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uint16_t cnt;
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rssi_t max_rssi;
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rolling_proximity_identifier_t rolling_proximity_identifier;
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associated_encrypted_metadata_t associated_encrypted_metadata;
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} contact_t;
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void init_contacts();
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int check_add_contact(uint32_t contact_time, rolling_proximity_identifier_t* rpi, associated_encrypted_metadata_t* aem, int8_t rssi);
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void key_change(int current_period_index);
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void add_infected_key(period_t* period);
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uint32_t get_next_infected_key_id();
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void print_rpi(rolling_proximity_identifier_t* rpi);
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void print_aem(associated_encrypted_metadata_t* aem);
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#endif |