portapack-mayhem/firmware/baseband/proc_am_tv.hpp

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/*
* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
* Copyright (C) 2016 Furrtek
* Copyright (C) 2020 Shao
*
* 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_AM_TV_H__
#define __PROC_AM_TV_H__
#include "baseband_processor.hpp"
#include "baseband_thread.hpp"
#include "rssi_thread.hpp"
#include "dsp_types.hpp"
#include "dsp_decimate.hpp"
#include "dsp_demodulate.hpp"
#include "block_decimator.hpp"
#include "tv_collector.hpp"
class WidebandFMAudio : 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 = 2000000;
BasebandThread baseband_thread{baseband_fs, this, NORMALPRIO + 20, baseband::Direction::Receive};
RSSIThread rssi_thread{NORMALPRIO + 10};
std::array<complex16_t, 512> dst{};
const buffer_c16_t dst_buffer{
dst.data(),
dst.size()};
AudioSpectrum audio_spectrum{};
TvCollector channel_spectrum{};
std::array<complex16_t, 256> spectrum{};
bool configured{false};
void configure(const WFMConfigureMessage& message);
};
#endif /*__PROC_AM_TV_H__*/