portapack-mayhem/firmware/baseband/proc_wideband_spectrum.hpp

/*
 * Copyright (C) 2015 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 __PROC_WIDEBAND_SPECTRUM_H__
#define __PROC_WIDEBAND_SPECTRUM_H__

#include "baseband_processor.hpp"
#include "baseband_thread.hpp"
#include "rssi_thread.hpp"

#include "spectrum_collector.hpp"

#include "message.hpp"

#include <cstddef>
#include <array>
#include <complex>

class WidebandSpectrum : public BasebandProcessor {
public:
	void execute(const buffer_c8_t& buffer) override;

	void on_message(const Message* const message) override;

private:
	static constexpr size_t baseband_fs = 20000000;

	BasebandThread baseband_thread { baseband_fs, this, NORMALPRIO + 20 };
	RSSIThread rssi_thread { NORMALPRIO + 10 };

	SpectrumCollector channel_spectrum;

	std::array<complex16_t, 256> spectrum;

	size_t phase = 0;
};

#endif/*__PROC_WIDEBAND_SPECTRUM_H__*/