mirror of
https://github.com/eried/portapack-mayhem.git
synced 2024-10-01 01:26:06 -04:00
df593c2f0f
Codec performance appears to be unaffected by <8MHz sample rate. Saves a bit of power, eliminates dependency on CPLD decimation feature.
113 lines
2.7 KiB
C++
113 lines
2.7 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 __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 "clock_manager.hpp"
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#include "message.hpp"
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#include "rf_path.hpp"
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#include "max2837.hpp"
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#include "volume.hpp"
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class ReceiverModel {
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public:
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enum class Mode : int32_t {
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AMAudio = 0,
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NarrowbandFMAudio = 1,
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WidebandFMAudio = 2,
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AIS = 3,
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SpectrumAnalysis = 4,
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TPMS = 5,
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ERT = 6,
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};
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constexpr ReceiverModel(
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ClockManager& clock_manager
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) : clock_manager(clock_manager)
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{
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}
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rf::Frequency tuning_frequency() const;
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void set_tuning_frequency(rf::Frequency f);
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rf::Frequency frequency_step() const;
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void set_frequency_step(rf::Frequency f);
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int32_t reference_ppm_correction() const;
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void set_reference_ppm_correction(int32_t v);
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bool rf_amp() const;
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void set_rf_amp(bool enabled);
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int32_t lna() const;
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void set_lna(int32_t v_db);
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uint32_t baseband_bandwidth() const;
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void set_baseband_bandwidth(uint32_t v);
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int32_t vga() const;
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void set_vga(int32_t v_db);
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uint32_t sampling_rate() const;
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uint32_t modulation() const;
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volume_t headphone_volume() const;
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void set_headphone_volume(volume_t v);
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uint32_t baseband_oversampling() const;
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void enable();
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void disable();
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void set_baseband_configuration(const BasebandConfiguration config);
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private:
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rf::Frequency frequency_step_ { 25000 };
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bool rf_amp_ { false };
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int32_t lna_gain_db_ { 32 };
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uint32_t baseband_bandwidth_ { max2837::filter::bandwidth_minimum };
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int32_t vga_gain_db_ { 32 };
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BasebandConfiguration baseband_configuration {
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.mode = 1, /* TODO: Enum! */
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.sampling_rate = 3072000,
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.decimation_factor = 1,
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};
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volume_t headphone_volume_ { -43.0_dB };
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ClockManager& clock_manager;
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int32_t tuning_offset();
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void update_tuning_frequency();
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void update_rf_amp();
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void update_lna();
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void update_baseband_bandwidth();
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void update_vga();
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void update_baseband_configuration();
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void update_headphone_volume();
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};
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#endif/*__RECEIVER_MODEL_H__*/
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