mayhem-firmware/firmware/application/apps/pocsag_app.cpp

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/*
* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
* Copyright (C) 2016 Furrtek
*
* This file is part of PortaPack.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#include "pocsag_app.hpp"
#include "baseband_api.hpp"
#include "portapack_persistent_memory.hpp"
using namespace portapack;
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using namespace pocsag;
#include "string_format.hpp"
#include "utility.hpp"
#include "audio.hpp"
void POCSAGLogger::log_raw_data(const pocsag::POCSAGPacket& packet, const uint32_t frequency) {
std::string entry = "Raw: F:" + to_string_dec_uint(frequency) + "Hz " +
to_string_dec_uint(packet.bitrate()) + " Codewords:";
// Raw hex dump of all the codewords
for (size_t c = 0; c < 16; c++)
entry += to_string_hex(packet[c], 8) + " ";
log_file.write_entry(packet.timestamp(), entry);
}
void POCSAGLogger::log_decoded(
const pocsag::POCSAGPacket& packet,
const std::string text) {
log_file.write_entry(packet.timestamp(), text);
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}
namespace ui {
POCSAGAppView::POCSAGAppView(NavigationView& nav)
: nav_{nav} {
baseband::run_image(portapack::spi_flash::image_tag_pocsag);
add_children({&rssi,
&channel,
&audio,
&field_rf_amp,
&field_lna,
&field_vga,
&field_frequency,
&check_log,
&field_volume,
&check_ignore,
&sym_ignore,
&console});
if (!settings_.loaded())
field_frequency.set_value(initial_target_frequency);
check_log.set_value(enable_logging);
receiver_model.enable();
// TODO: app setting instead?
uint32_t ignore_address;
ignore_address = persistent_memory::pocsag_ignore_address();
// TODO: is this common enough for a helper?
for (size_t c = 0; c < 7; c++) {
sym_ignore.set_sym(6 - c, ignore_address % 10);
ignore_address /= 10;
}
logger = std::make_unique<POCSAGLogger>();
if (logger)
logger->append(LOG_ROOT_DIR "/POCSAG.TXT");
audio::output::start();
baseband::set_pocsag();
}
void POCSAGAppView::focus() {
field_frequency.focus();
}
POCSAGAppView::~POCSAGAppView() {
audio::output::stop();
// Save settings.
persistent_memory::set_pocsag_ignore_address(sym_ignore.value_dec_u32());
enable_logging = check_log.value();
receiver_model.disable();
baseband::shutdown();
}
void POCSAGAppView::on_packet(const POCSAGPacketMessage* message) {
std::string alphanum_text = "";
if (message->packet.flag() != NORMAL)
console.writeln("\n\x1B\x0CRC ERROR: " + pocsag::flag_str(message->packet.flag()));
else {
pocsag_decode_batch(message->packet, &pocsag_state);
if ((ignore()) && (pocsag_state.address == sym_ignore.value_dec_u32())) {
// Ignore (inform, but no log)
// console.write("\n\x1B\x03" + to_string_time(message->packet.timestamp()) +
// " Ignored address " + to_string_dec_uint(pocsag_state.address));
return;
}
// Too many errors for reliable decode
if ((ignore()) && (pocsag_state.errors >= 3)) {
return;
}
std::string console_info;
const uint32_t roundVal = 50;
const uint32_t bitrate = roundVal * ((message->packet.bitrate() + (roundVal / 2)) / roundVal);
console_info = "\n" + to_string_datetime(message->packet.timestamp(), HM);
console_info += " " + to_string_dec_uint(bitrate);
console_info += " ADDR:" + to_string_dec_uint(pocsag_state.address);
console_info += " F" + to_string_dec_uint(pocsag_state.function);
// Store last received address for POCSAG TX
persistent_memory::set_pocsag_last_address(pocsag_state.address);
if (pocsag_state.out_type == ADDRESS) {
// Address only
console.write(console_info);
if (logger && logging()) {
logger->log_decoded(
message->packet, to_string_dec_uint(pocsag_state.address) +
" F" + to_string_dec_uint(pocsag_state.function) +
" Address only");
}
last_address = pocsag_state.address;
} else if (pocsag_state.out_type == MESSAGE) {
if (pocsag_state.address != last_address) {
// New message
console.writeln(console_info);
console.write(pocsag_state.output);
last_address = pocsag_state.address;
} else {
// Message continues...
console.write(pocsag_state.output);
}
if (logger && logging())
logger->log_decoded(
message->packet, to_string_dec_uint(pocsag_state.address) +
" F" + to_string_dec_uint(pocsag_state.function) +
" Alpha: " + pocsag_state.output);
}
}
// TODO: make setting.
// Log raw data whatever it contains
/*if (logger && logging())
logger->log_raw_data(message->packet, receiver_model.target_frequency());*/
}
} /* namespace ui */