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https://github.com/eried/portapack-mayhem.git
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7710b2d1fa
Separate channel spectrum config from spectrum data. This will permit sending config info only when necessary. Use type information of ChannelSpectrum to statically define number of FFT bins elsewhere. TODO: Posting configuration message way too often. Fixing that is the next step.
67 lines
1.8 KiB
C++
67 lines
1.8 KiB
C++
/*
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* Copyright (C) 2015 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 __SPECTRUM_COLLECTOR_H__
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#define __SPECTRUM_COLLECTOR_H__
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#include "dsp_types.hpp"
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#include "complex.hpp"
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#include "block_decimator.hpp"
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#include <cstdint>
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#include <array>
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#include "message.hpp"
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class SpectrumCollector {
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public:
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constexpr SpectrumCollector(
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) : channel_spectrum_decimator { 1 }
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{
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}
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void set_decimation_factor(const size_t decimation_factor);
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void feed(
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const buffer_c16_t& channel,
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const uint32_t filter_pass_frequency,
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const uint32_t filter_stop_frequency
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);
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void update();
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private:
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BlockDecimator<256> channel_spectrum_decimator;
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ChannelSpectrumFIFO fifo;
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volatile bool channel_spectrum_request_update { false };
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std::array<std::complex<float>, 256> channel_spectrum;
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uint32_t channel_spectrum_sampling_rate { 0 };
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uint32_t channel_filter_pass_frequency { 0 };
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uint32_t channel_filter_stop_frequency { 0 };
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void post_message(const buffer_c16_t& data);
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void post_configuration_message();
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};
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#endif/*__SPECTRUM_COLLECTOR_H__*/
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