HackRF-Treasure-Chest/Software/portapack-mayhem/firmware/baseband/rssi_stats_collector.hpp

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2022-09-22 18:26:57 +02:00
/*
* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
*
* This file is part of PortaPack.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef __RSSI_STATS_COLLECTOR_H__
#define __RSSI_STATS_COLLECTOR_H__
#include "rssi.hpp"
#include "message.hpp"
#include <cstdint>
#include <cstddef>
class RSSIStatisticsCollector {
public:
template<typename Callback>
void process(const rf::rssi::buffer_t& buffer, Callback callback) {
auto p = buffer.p;
if( p == nullptr ) {
return;
}
if( statistics.count == 0 ) {
const auto value_0 = *p;
statistics.min = value_0;
statistics.max = value_0;
}
const auto end = &p[buffer.count];
while(p < end) {
const uint32_t value = *(p++);
if( statistics.min > value ) {
statistics.min = value;
}
if( statistics.max < value ) {
statistics.max = value;
}
statistics.accumulator += value;
}
statistics.count += buffer.count;
const size_t samples_per_update = buffer.sampling_rate * update_interval;
if( statistics.count >= samples_per_update ) {
callback(statistics);
statistics.accumulator = 0;
statistics.count = 0;
}
}
private:
static constexpr float update_interval { 0.1f };
RSSIStatistics statistics { };
};
#endif/*__RSSI_STATS_COLLECTOR_H__*/