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