mirror of
https://github.com/eried/portapack-mayhem.git
synced 2024-09-21 00:26:12 +00:00
169 lines
3.9 KiB
C++
169 lines
3.9 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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*
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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 "pocsag_app.hpp"
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#include "baseband_api.hpp"
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#include "portapack.hpp"
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using namespace portapack;
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#include "string_format.hpp"
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#include "utility.hpp"
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#define POCSAG_IDLE 0x7A89C197
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namespace pocsag {
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namespace format {
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static std::string signal_rate_str(SignalRate signal_rate) {
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switch(signal_rate) {
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case SignalRate::FSK512: return "FSK 512 ";
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case SignalRate::FSK1200: return "FSK 1200";
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case SignalRate::FSK2400: return "FSK 2400";
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default: return "- - - - ";
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}
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}
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} /* namespace format */
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} /* namespace pocsag */
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void POCSAGLogger::on_packet(const pocsag::POCSAGPacket& packet) {
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std::string entry = pocsag::format::signal_rate_str(packet.signal_rate()) + " ";
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for (size_t c = 0; c < 16; c++)
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entry += to_string_hex(packet[c], 8) + " ";
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log_file.write_entry(packet.timestamp(), entry);
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}
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namespace ui {
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POCSAGAppView::POCSAGAppView(NavigationView& nav) {
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baseband::run_image(portapack::spi_flash::image_tag_pocsag);
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add_children({ {
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&rssi,
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&channel,
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&options_band,
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&field_rf_amp,
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&field_lna,
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&field_vga,
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//&text_debug,
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&console
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} });
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radio::enable({
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tuning_frequency(),
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sampling_rate,
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baseband_bandwidth,
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rf::Direction::Receive,
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receiver_model.rf_amp(),
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static_cast<int8_t>(receiver_model.lna()),
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static_cast<int8_t>(receiver_model.vga()),
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1,
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});
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options_band.on_change = [this](size_t, OptionsField::value_t v) {
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this->on_band_changed(v);
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};
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options_band.set_by_value(target_frequency());
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logger = std::make_unique<POCSAGLogger>();
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if( logger ) {
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logger->append("pocsag.txt");
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}
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baseband::set_pocsag();
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}
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POCSAGAppView::~POCSAGAppView() {
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radio::disable();
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baseband::shutdown();
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}
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void POCSAGAppView::focus() {
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options_band.focus();
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}
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void POCSAGAppView::set_parent_rect(const Rect new_parent_rect) {
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View::set_parent_rect(new_parent_rect);
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}
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void POCSAGAppView::on_packet(const POCSAGPacketMessage * message) {
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bool eom = false;
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uint32_t codeword;
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if( logger ) {
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logger->on_packet(message->packet);
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}
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for (size_t c = 0; c < 16; c++) {
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codeword = message->packet[c];
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if (codeword & 0x80000000) {
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// Message
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console.writeln("Message !");
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} else {
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// Address
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if (codeword == POCSAG_IDLE) {
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eom = true;
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} else {
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function = (codeword >> 11) & 3;
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address = ((codeword >> 10) & 0x1FFFF8) | ((codeword >> 1) & 7);
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}
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}
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}
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if (eom)
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console.writeln("Address:" + to_string_hex(address, 6) + " Function:" + to_string_dec_uint(function));
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//console.writeln("EOM");
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//console.writeln(to_string_hex(message->packet[0], 8) + "/"+ to_string_hex(message->packet[1], 8));
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if (eom)
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batch_cnt = 0;
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else
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batch_cnt++;
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}
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void POCSAGAppView::on_band_changed(const uint32_t new_band_frequency) {
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set_target_frequency(new_band_frequency);
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}
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void POCSAGAppView::set_target_frequency(const uint32_t new_value) {
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target_frequency_ = new_value;
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radio::set_tuning_frequency(tuning_frequency());
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}
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uint32_t POCSAGAppView::target_frequency() const {
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return target_frequency_;
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}
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uint32_t POCSAGAppView::tuning_frequency() const {
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return target_frequency() - (sampling_rate / 4);
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}
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} /* namespace ui */
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