mirror of
https://github.com/eried/portapack-mayhem.git
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151 lines
4.2 KiB
C++
151 lines
4.2 KiB
C++
/*
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* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
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* Copyright (C) 2023 Kyle Reed
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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 __RECEIVER_MODEL_H__
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#define __RECEIVER_MODEL_H__
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#include <cstdint>
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#include <cstddef>
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#include "app_settings.hpp"
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#include "max283x.hpp"
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#include "message.hpp"
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#include "rf_path.hpp"
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#include "volume.hpp"
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// TODO: consider a base class for ReceiverModel & TransmitterModel.
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// There are multiple values that are actually shared by both.
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class ReceiverModel {
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public:
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enum class Mode : uint8_t {
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AMAudio = 0,
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NarrowbandFMAudio = 1,
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WidebandFMAudio = 2,
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SpectrumAnalysis = 3,
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Capture = 4
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};
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struct settings_t {
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uint32_t baseband_bandwidth = max283x::filter::bandwidth_minimum;
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uint32_t sampling_rate = 3'072'000;
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rf::Frequency frequency_step = 25'000;
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rf::Frequency frequency_app_override = 0;
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uint8_t lna_gain_db = 32;
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uint8_t vga_gain_db = 32;
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bool rf_amp = false;
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Mode mode = Mode::NarrowbandFMAudio;
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uint8_t am_config_index = 0;
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uint8_t nbfm_config_index = 0;
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uint8_t wfm_config_index = 0;
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uint8_t squelch_level = 80;
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};
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/* The frequency to receive (no offset). */
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rf::Frequency target_frequency() const;
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void set_target_frequency(rf::Frequency f);
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uint32_t baseband_bandwidth() const;
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void set_baseband_bandwidth(uint32_t v);
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uint32_t sampling_rate() const;
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void set_sampling_rate(uint32_t v);
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rf::Frequency frequency_step() const;
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void set_frequency_step(rf::Frequency f);
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uint8_t lna() const;
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void set_lna(uint8_t v_db);
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uint8_t vga() const;
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void set_vga(uint8_t v_db);
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bool rf_amp() const;
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void set_rf_amp(bool enabled);
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Mode modulation() const;
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void set_modulation(Mode v);
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uint8_t am_configuration() const;
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void set_am_configuration(uint8_t n);
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uint8_t nbfm_configuration() const;
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void set_nbfm_configuration(uint8_t n);
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uint8_t wfm_configuration() const;
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void set_wfm_configuration(uint8_t n);
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uint8_t squelch_level() const;
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void set_squelch_level(uint8_t v);
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void set_antenna_bias();
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volume_t headphone_volume() const;
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void set_headphone_volume(volume_t v);
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/* Volume range 0-99, normalized for audio HW. */
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uint8_t normalized_headphone_volume() const;
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void set_normalized_headphone_volume(uint8_t v);
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void enable();
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void disable();
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/* Resets some members back to default. */
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void initialize();
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void set_configuration_without_update(
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Mode new_mode,
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rf::Frequency new_frequency_step,
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size_t new_am_config_index,
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size_t new_nbfm_config_index,
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size_t new_wfm_config_index,
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uint8_t new_squelch_level);
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void configure_from_app_settings(const app_settings::AppSettings& settings);
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/* Get access to the underlying settings to allow
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* values to be set directly without calling update. */
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settings_t& settings() { return settings_; }
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private:
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settings_t settings_{};
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bool enabled_ = false;
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int32_t tuning_offset();
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void update_tuning_frequency();
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void update_baseband_bandwidth();
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void update_sampling_rate();
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void update_lna();
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void update_vga();
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void update_rf_amp();
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void update_modulation();
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void update_am_configuration();
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void update_nbfm_configuration();
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void update_wfm_configuration();
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void update_antenna_bias();
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void update_headphone_volume();
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};
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#endif /*__RECEIVER_MODEL_H__*/
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