portapack-mayhem/firmware/application/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.hpp"
#include "portapack_persistent_memory.hpp"
using namespace portapack;
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using namespace pocsag;
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#include "pocsag.hpp"
#include "string_format.hpp"
#include "utility.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 " +
pocsag::bitrate_str(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 {
void POCSAGAppView::update_freq(rf::Frequency f) {
set_target_frequency(f);
portapack::persistent_memory::set_tuned_frequency(f); // Maybe not ?
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button_setfreq.set_text(to_string_short_freq(f));
}
POCSAGAppView::POCSAGAppView(NavigationView& nav) {
uint32_t ignore_address;
baseband::run_image(portapack::spi_flash::image_tag_pocsag);
add_children({
&rssi,
&channel,
&options_freq,
&field_rf_amp,
&field_lna,
&field_vga,
&button_setfreq,
&options_bitrate,
&check_log,
&check_ignore,
&sym_ignore,
&console
});
receiver_model.set_sampling_rate(3072000);
receiver_model.set_baseband_bandwidth(1750000);
receiver_model.enable();
check_log.set_value(logging);
check_log.on_select = [this](Checkbox&, bool v) {
logging = v;
};
options_bitrate.on_change = [this](size_t, OptionsField::value_t v) {
on_bitrate_changed(v);
};
options_bitrate.set_selected_index(1); // 1200bps
options_freq.on_change = [this](size_t, OptionsField::value_t v) {
set_target_frequency(v);
update_freq(v);
};
options_freq.set_by_value(target_frequency());
check_ignore.set_value(ignore);
check_ignore.on_select = [this](Checkbox&, bool v) {
ignore = v;
};
ignore_address = persistent_memory::pocsag_ignore_address();
for (size_t c = 0; c < 7; c++) {
sym_ignore.set_sym(6 - c, ignore_address % 10);
ignore_address /= 10;
}
button_setfreq.on_select = [this,&nav](Button&) {
auto new_view = nav.push<FrequencyKeypadView>(target_frequency_);
new_view->on_changed = [this](rf::Frequency f) {
options_freq.set_selected_index(0); // Automatically select "Entered"
update_freq(f);
};
};
logger = std::make_unique<POCSAGLogger>();
if (logger)
logger->append("pocsag.txt");
}
POCSAGAppView::~POCSAGAppView() {
// Save ignored address
persistent_memory::set_pocsag_ignore_address(sym_ignore.value_dec_u32());
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receiver_model.disable();
baseband::shutdown();
}
void POCSAGAppView::focus() {
options_freq.focus();
}
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// Useless ?
void POCSAGAppView::set_parent_rect(const Rect new_parent_rect) {
View::set_parent_rect(new_parent_rect);
}
void POCSAGAppView::on_packet(const POCSAGPacketMessage * message) {
std::string alphanum_text = "";
if (message->packet.flag() != NORMAL)
console.writeln("\n\x1B\x01RX 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;
}
std::string console_info;
console_info = "\n\x1B\x02" + to_string_time(message->packet.timestamp());
console_info += " " + pocsag::bitrate_str(message->packet.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);
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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");
}
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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);
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last_address = pocsag_state.address;
} else {
// Message continues...
console.write(pocsag_state.output);
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}
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);
}
}
// Log raw data whatever it contains
if (logger && logging)
logger->log_raw_data(message->packet, target_frequency());
}
void POCSAGAppView::on_bitrate_changed(const uint32_t new_bitrate) {
baseband::set_pocsag(pocsag_bitrates[new_bitrate]);
}
void POCSAGAppView::set_target_frequency(const uint32_t new_value) {
target_frequency_ = new_value;
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receiver_model.set_tuning_frequency(new_value);
}
uint32_t POCSAGAppView::target_frequency() const {
return target_frequency_;
}
} /* namespace ui */