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https://github.com/eried/portapack-mayhem.git
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fff78ce00f
* No-allocation settings save * remove fixed TODO --------- Co-authored-by: kallanreed <kallanreed@outlook.com>
265 lines
10 KiB
C++
265 lines
10 KiB
C++
/*
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* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
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* Copyright (C) 2016 Furrtek
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* Copyright (C) 2022 Arjan Onwezen
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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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#include "app_settings.hpp"
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#include "file.hpp"
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#include "portapack.hpp"
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#include "portapack_persistent_memory.hpp"
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#include "utility.hpp"
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#include <algorithm>
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#include <cstring>
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#include <string_view>
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namespace fs = std::filesystem;
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using namespace portapack;
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using namespace std::literals;
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/*#include "log_file.hpp"
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LogFile* g_pLog = nullptr;
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static void log_it(const std::string& msg) {
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static LogFile s_log;
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if (g_pLog == nullptr) {
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delete_file("appset.txt");
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s_log.append("appset.txt");
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g_pLog = &s_log;
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}
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g_pLog->write_entry(msg);
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}*/
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namespace app_settings {
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template <typename T>
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static void read_setting(
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std::string_view file_content,
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std::string_view setting_name,
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T& value) {
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auto pos = file_content.find(setting_name);
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if (pos != file_content.npos) {
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pos += setting_name.length();
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value = strtoll(&file_content[pos], nullptr, 10);
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}
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}
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template <typename T>
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static void write_setting(File& file, std::string_view setting_name, const T& value) {
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// NB: Not using file.write_line speed this up. This happens on every
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// app exit when enabled so should be fast to keep the UX responsive.
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StringFormatBuffer buffer;
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size_t length = 0;
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auto value_str = to_string_dec_uint(value, buffer, length);
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file.write(setting_name.data(), setting_name.length());
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file.write(value_str, length);
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file.write("\r\n", 2);
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}
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static fs::path get_settings_path(const std::string& app_name) {
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return fs::path{u"/SETTINGS"} / app_name + u".ini";
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}
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namespace setting {
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constexpr std::string_view baseband_bandwidth = "baseband_bandwidth="sv;
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constexpr std::string_view sampling_rate = "sampling_rate="sv;
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constexpr std::string_view lna = "lna="sv;
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constexpr std::string_view vga = "vga="sv;
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constexpr std::string_view rx_amp = "rx_amp="sv;
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constexpr std::string_view tx_amp = "tx_amp="sv;
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constexpr std::string_view tx_gain = "tx_gain="sv;
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constexpr std::string_view channel_bandwidth = "channel_bandwidth="sv;
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constexpr std::string_view rx_frequency = "rx_frequency="sv;
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constexpr std::string_view tx_frequency = "tx_frequency="sv;
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constexpr std::string_view step = "step="sv;
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constexpr std::string_view modulation = "modulation="sv;
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constexpr std::string_view am_config_index = "am_config_index="sv;
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constexpr std::string_view nbfm_config_index = "nbfm_config_index="sv;
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constexpr std::string_view wfm_config_index = "wfm_config_index="sv;
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constexpr std::string_view squelch = "squelch="sv;
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constexpr std::string_view volume = "volume="sv;
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} // namespace setting
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// TODO: Only load/save values that are declared used.
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// This will prevent switching apps from changing setting unnecessarily.
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// TODO: Track which values are actually read.
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// TODO: Maybe just use a dictionary which would allow for custom settings.
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// TODO: Create a control value binding which will allow controls to
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// be declaratively bound to a setting and persistence will be magic.
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// TODO: radio settings should be pushed and popped to prevent cross-app
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// radio bugs caused by sharing a global model.
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ResultCode load_settings(const std::string& app_name, AppSettings& settings) {
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if (!portapack::persistent_memory::load_app_settings())
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return ResultCode::SettingsDisabled;
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auto file_path = get_settings_path(app_name);
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auto data = File::read_file(file_path);
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if (!data)
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return ResultCode::LoadFailed;
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if (flags_enabled(settings.mode, Mode::TX)) {
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read_setting(*data, setting::tx_frequency, settings.tx_frequency);
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read_setting(*data, setting::tx_amp, settings.tx_amp);
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read_setting(*data, setting::tx_gain, settings.tx_gain);
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read_setting(*data, setting::channel_bandwidth, settings.channel_bandwidth);
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}
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if (flags_enabled(settings.mode, Mode::RX)) {
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read_setting(*data, setting::rx_frequency, settings.rx_frequency);
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read_setting(*data, setting::rx_amp, settings.rx_amp);
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read_setting(*data, setting::modulation, settings.modulation);
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read_setting(*data, setting::am_config_index, settings.am_config_index);
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read_setting(*data, setting::nbfm_config_index, settings.nbfm_config_index);
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read_setting(*data, setting::wfm_config_index, settings.wfm_config_index);
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read_setting(*data, setting::squelch, settings.squelch);
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}
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read_setting(*data, setting::baseband_bandwidth, settings.baseband_bandwidth);
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read_setting(*data, setting::sampling_rate, settings.sampling_rate);
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read_setting(*data, setting::lna, settings.lna);
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read_setting(*data, setting::vga, settings.vga);
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read_setting(*data, setting::step, settings.step);
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read_setting(*data, setting::volume, settings.volume);
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return ResultCode::Ok;
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}
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ResultCode save_settings(const std::string& app_name, AppSettings& settings) {
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if (!portapack::persistent_memory::save_app_settings())
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return ResultCode::SettingsDisabled;
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File settings_file;
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auto file_path = get_settings_path(app_name);
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ensure_directory(file_path.parent_path());
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auto error = settings_file.create(file_path);
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if (error)
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return ResultCode::SaveFailed;
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if (flags_enabled(settings.mode, Mode::TX)) {
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write_setting(settings_file, setting::tx_frequency, settings.tx_frequency);
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write_setting(settings_file, setting::tx_amp, settings.tx_amp);
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write_setting(settings_file, setting::tx_gain, settings.tx_gain);
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write_setting(settings_file, setting::channel_bandwidth, settings.channel_bandwidth);
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}
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if (flags_enabled(settings.mode, Mode::RX)) {
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write_setting(settings_file, setting::rx_frequency, settings.rx_frequency);
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write_setting(settings_file, setting::rx_amp, settings.rx_amp);
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write_setting(settings_file, setting::modulation, settings.modulation);
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write_setting(settings_file, setting::am_config_index, settings.am_config_index);
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write_setting(settings_file, setting::nbfm_config_index, settings.nbfm_config_index);
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write_setting(settings_file, setting::wfm_config_index, settings.wfm_config_index);
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write_setting(settings_file, setting::squelch, settings.squelch);
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}
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write_setting(settings_file, setting::baseband_bandwidth, settings.baseband_bandwidth);
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write_setting(settings_file, setting::sampling_rate, settings.sampling_rate);
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write_setting(settings_file, setting::lna, settings.lna);
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write_setting(settings_file, setting::vga, settings.vga);
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write_setting(settings_file, setting::step, settings.step);
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write_setting(settings_file, setting::volume, settings.volume);
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return ResultCode::Ok;
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}
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void copy_to_radio_model(const AppSettings& settings) {
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// NB: Don't actually adjust the radio here or it will hang.
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if (flags_enabled(settings.mode, Mode::TX))
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transmitter_model.configure_from_app_settings(settings);
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if (flags_enabled(settings.mode, Mode::RX)) {
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receiver_model.configure_from_app_settings(settings);
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receiver_model.set_configuration_without_init(
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static_cast<ReceiverModel::Mode>(settings.modulation),
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settings.step,
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settings.am_config_index,
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settings.nbfm_config_index,
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settings.wfm_config_index,
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settings.squelch);
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}
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receiver_model.set_frequency_step(settings.volume);
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receiver_model.set_normalized_headphone_volume(settings.volume);
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}
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void copy_from_radio_model(AppSettings& settings) {
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if (flags_enabled(settings.mode, Mode::TX)) {
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settings.tx_frequency = transmitter_model.target_frequency();
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settings.baseband_bandwidth = transmitter_model.baseband_bandwidth();
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settings.tx_amp = transmitter_model.rf_amp();
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settings.tx_gain = transmitter_model.tx_gain();
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settings.channel_bandwidth = transmitter_model.channel_bandwidth();
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// TODO: Do these make sense for TX?
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settings.sampling_rate = transmitter_model.sampling_rate();
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settings.lna = transmitter_model.lna();
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settings.vga = transmitter_model.vga();
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}
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if (flags_enabled(settings.mode, Mode::RX)) {
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settings.rx_frequency = receiver_model.target_frequency();
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settings.baseband_bandwidth = receiver_model.baseband_bandwidth();
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settings.sampling_rate = receiver_model.sampling_rate();
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settings.lna = receiver_model.lna();
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settings.vga = receiver_model.vga();
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settings.rx_amp = receiver_model.rf_amp();
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settings.squelch = receiver_model.squelch_level();
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settings.modulation = static_cast<uint8_t>(receiver_model.modulation());
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settings.am_config_index = receiver_model.am_configuration();
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settings.nbfm_config_index = receiver_model.nbfm_configuration();
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settings.wfm_config_index = receiver_model.wfm_configuration();
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}
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settings.step = receiver_model.frequency_step();
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settings.volume = receiver_model.normalized_headphone_volume();
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}
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/* SettingsManager *************************************************/
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SettingsManager::SettingsManager(std::string app_name, Mode mode)
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: app_name_{std::move(app_name)},
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settings_{},
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loaded_{false} {
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settings_.mode = mode;
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auto result = load_settings(app_name_, settings_);
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if (result == ResultCode::Ok) {
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loaded_ = true;
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copy_to_radio_model(settings_);
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}
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}
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SettingsManager::~SettingsManager() {
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if (portapack::persistent_memory::save_app_settings()) {
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copy_from_radio_model(settings_);
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save_settings(app_name_, settings_);
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}
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}
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} // namespace app_settings
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