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* Using same decode as libacrars * Enable ACARS RX * indent + fix warning * fixed CRC calculations, length validation, message print Co-authored-by: gullradriel <gullradriel@users.noreply.github.com>
130 lines
3.6 KiB
C++
130 lines
3.6 KiB
C++
/*
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* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
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* Copyright (C) 2018 Furrtek
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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 __ACARS_APP_H__
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#define __ACARS_APP_H__
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#include "app_settings.hpp"
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#include "radio_state.hpp"
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#include "ui_widget.hpp"
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#include "ui_receiver.hpp"
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#include "ui_freq_field.hpp"
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#include "ui_rssi.hpp"
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#include "log_file.hpp"
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namespace ui::external_app::acars_rx {
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// Decoded ACARS message fields extracted from a raw frame.
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// CRC-16/CCITT (poly 0x1021, init 0x0000) is verified against the two
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// trailing bytes of the raw frame; crc_ok reflects that result.
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struct AcarsDecoded {
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bool crc_ok{false};
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std::string reg{};
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std::string label{};
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std::string flight_id{};
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std::string msg_num{};
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char block_id{'\0'};
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std::string txt{};
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};
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// Decode a raw ACARS frame: verify CRC-16/CCITT and extract fixed-offset fields.
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// Returns a partially-filled AcarsDecoded (txt error only) if the frame is too short.
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AcarsDecoded acars_decode(const std::string& raw);
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// Format a decoded ACARS message for display or logging.
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std::string acars_format(const AcarsDecoded& msg);
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class ACARSLogger {
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public:
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Optional<File::Error> append(const std::filesystem::path& filename) {
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return log_file.append(filename);
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}
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void log_str(std::string msg);
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private:
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LogFile log_file{};
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};
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class ACARSAppView : public View {
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public:
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ACARSAppView(NavigationView& nav);
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~ACARSAppView();
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void focus() override;
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std::string title() const override { return "ACARS"; };
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private:
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NavigationView& nav_;
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RxRadioState radio_state_{
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131825000 /* frequency */,
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1750000 /* bandwidth */,
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2457600 /* sampling rate */
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};
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app_settings::SettingsManager settings_{
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"rx_acars", app_settings::Mode::RX};
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bool logging{false};
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uint32_t packet_counter{0};
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RFAmpField field_rf_amp{
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{13 * 8, UI_POS_Y(0)}};
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LNAGainField field_lna{
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{15 * 8, UI_POS_Y(0)}};
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VGAGainField field_vga{
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{18 * 8, UI_POS_Y(0)}};
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RSSI rssi{
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{UI_POS_X(21), 0, UI_POS_WIDTH_REMAINING(24), 4}};
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Channel channel{
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{UI_POS_X(21), 5, UI_POS_WIDTH_REMAINING(24), 4}};
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RxFrequencyField field_frequency{
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{UI_POS_X(0), 0 * 8},
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nav_};
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Checkbox check_log{
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{16 * 8, 1 * 16},
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3,
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"LOG",
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true};
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Console console{
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{0, 3 * 16, screen_width, 256}};
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AudioVolumeField field_volume{
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{screen_width - 2 * 8, 1 * 16}};
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std::unique_ptr<ACARSLogger> logger{};
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void on_packet(const ACARSPacketMessage* packet);
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MessageHandlerRegistration message_handler_packet{
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Message::ID::ACARSPacket,
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[this](Message* const p) {
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const auto message = static_cast<const ACARSPacketMessage*>(p);
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this->on_packet(message);
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}};
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};
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} // namespace ui::external_app::acars_rx
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#endif /*__ACARS_APP_H__*/
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