portapack-mayhem/firmware/application/apps/ui_afsk_rx.cpp

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/*
* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
* Copyright (C) 2017 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 "ui_afsk_rx.hpp"
#include "ui_modemsetup.hpp"
#include "modems.hpp"
#include "audio.hpp"
#include "rtc_time.hpp"
#include "baseband_api.hpp"
#include "string_format.hpp"
#include "portapack_persistent_memory.hpp"
using namespace portapack;
using namespace modems;
void AFSKLogger::log_raw_data(const std::string& data) {
log_file.write_entry(data);
}
namespace ui {
void AFSKRxView::focus() {
field_frequency.focus();
}
AFSKRxView::AFSKRxView(NavigationView& nav)
: nav_{nav} {
baseband::run_image(portapack::spi_flash::image_tag_afsk_rx);
add_children({&rssi,
&channel,
&field_rf_amp,
&field_lna,
&field_vga,
&field_volume,
&field_frequency,
&check_log,
&text_debug,
&button_modem_setup,
&console});
// Auto-configure modem for LCR RX (TODO remove)
field_frequency.set_value(467225500);
auto def_bell202 = &modem_defs[0];
persistent_memory::set_modem_baudrate(def_bell202->baudrate);
serial_format_t serial_format;
serial_format.data_bits = 7;
serial_format.parity = EVEN;
serial_format.stop_bits = 1;
serial_format.bit_order = LSB_FIRST;
persistent_memory::set_serial_format(serial_format);
field_frequency.set_step(100);
check_log.set_value(logging);
check_log.on_select = [this](Checkbox&, bool v) {
logging = v;
};
button_modem_setup.on_select = [&nav](Button&) {
nav.push<ModemSetupView>();
};
logger = std::make_unique<AFSKLogger>();
if (logger)
logger->append(LOG_ROOT_DIR "/AFSK.TXT");
// Auto-configure modem for LCR RX (will be removed later)
baseband::set_afsk(persistent_memory::modem_baudrate(), 8, 0, false);
audio::set_rate(audio::Rate::Hz_24000);
audio::output::start();
receiver_model.enable();
}
void AFSKRxView::on_data(uint32_t value, bool is_data) {
std::string str_console = "\x1B";
std::string str_byte = "";
if (is_data) {
// Colorize differently after message splits
str_console += (char)((console_color & 3) + 9);
// value = deframe_word(value);
value &= 0xFF; // ABCDEFGH
value = ((value & 0xF0) >> 4) | ((value & 0x0F) << 4); // EFGHABCD
value = ((value & 0xCC) >> 2) | ((value & 0x33) << 2); // GHEFCDAB
value = ((value & 0xAA) >> 1) | ((value & 0x55) << 1); // HGFEDCBA
value &= 0x7F; // Ignore parity, which is the MSB now
if ((value >= 32) && (value < 127)) {
str_console += (char)value; // Printable
str_byte += (char)value;
} else {
str_console += "[" + to_string_hex(value, 2) + "]"; // Not printable
str_byte += "[" + to_string_hex(value, 2) + "]";
}
// str_byte = to_string_bin(value & 0xFF, 8) + " ";
console.write(str_console);
if (logger && logging) str_log += str_byte;
if ((value != 0x7F) && (prev_value == 0x7F)) {
// Message split
console.writeln("");
console_color++;
if (logger && logging) {
logger->log_raw_data(str_log);
str_log = "";
}
}
prev_value = value;
} else {
// Baudrate estimation
text_debug.set("Baudrate estimation: ~" + to_string_dec_uint(value));
}
}
AFSKRxView::~AFSKRxView() {
audio::output::stop();
receiver_model.disable();
baseband::shutdown();
}
} /* namespace ui */