portapack-mayhem/firmware/application/ui_morse.cpp
2017-04-18 18:12:32 +01:00

217 lines
5.2 KiB
C++

/*
* 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 "ui_morse.hpp"
#include "portapack.hpp"
#include "baseband_api.hpp"
#include "hackrf_gpio.hpp"
#include "portapack_shared_memory.hpp"
#include "ui_textentry.hpp"
#include "string_format.hpp"
#include <cstring>
#include <stdio.h>
using namespace portapack;
using namespace morse;
using namespace hackrf::one;
namespace ui {
static WORKING_AREA(ookthread_wa, 256);
static msg_t ookthread_fn(void * arg) {
uint32_t v = 0, delay = 0;
size_t i = 0;
uint8_t * message_symbols = shared_memory.bb_data.tones_data.message;
uint8_t symbol;
MorseView * arg_c = (MorseView*)arg;
chRegSetThreadName("ookthread");
for (i = 0; i < arg_c->symbol_count; i++) {
if (chThdShouldTerminate()) break;
symbol = message_symbols[i];
v = (symbol < 2) ? 1 : 0; // TX on for dot or dash, off for pause
delay = morse_symbols[symbol];
gpio_tx.write(v);
arg_c->on_tx_progress(i, false);
chThdSleepMilliseconds(delay * arg_c->time_unit_ms);
}
gpio_tx.write(0); // Ensure TX is off
arg_c->on_tx_progress(0, true);
chThdExit(0);
return 0;
}
void MorseView::on_set_text(NavigationView& nav) {
text_entry(nav, buffer, 28);
}
void MorseView::focus() {
button_message.focus();
}
MorseView::~MorseView() {
transmitter_model.disable();
baseband::shutdown();
}
void MorseView::paint(Painter&) {
message = buffer;
text_message.set(message);
update_tx_duration();
}
bool MorseView::start_tx() {
// Re-generate message, just in case
update_tx_duration();
if (!symbol_count) {
nav_.display_modal("Error", "Message too long,\nmust be < 256 symbols.", INFO, nullptr);
return false;
}
progressbar.set_max(symbol_count);
transmitter_model.set_sampling_rate(1536000U);
transmitter_model.set_rf_amp(true);
transmitter_model.set_baseband_bandwidth(1750000);
transmitter_model.enable();
if (modulation == CW) {
ookthread = chThdCreateStatic(ookthread_wa, sizeof(ookthread_wa), NORMALPRIO + 10, ookthread_fn, this);
} else if (modulation == FM) {
baseband::set_tones_config(transmitter_model.bandwidth(), 0, symbol_count, false, false);
}
return true;
}
void MorseView::update_tx_duration() {
uint32_t duration_ms;
time_unit_ms = field_time_unit.value();
symbol_count = morse_encode(message, time_unit_ms, field_tone.value(), &time_units);
if (symbol_count) {
duration_ms = time_units * time_unit_ms;
text_tx_duration.set(to_string_dec_uint(duration_ms / 1000) + "." + to_string_dec_uint((duration_ms / 100) % 10, 1) + "s ");
} else {
text_tx_duration.set("-"); // Error
}
}
void MorseView::on_tx_progress(const int progress, const bool done) {
if (done) {
transmitter_model.disable();
progressbar.set_value(0);
tx_view.set_transmitting(false);
} else
progressbar.set_value(progress);
}
void MorseView::set_foxhunt(size_t i) {
message = foxhunt_codes[i];
buffer = message.c_str();
text_message.set(message);
update_tx_duration();
}
MorseView::MorseView(
NavigationView& nav
) : nav_ (nav)
{
baseband::run_image(portapack::spi_flash::image_tag_tones);
add_children({
&labels,
&checkbox_foxhunt,
&options_foxhunt,
&field_time_unit,
&field_tone,
&options_modulation,
&text_tx_duration,
&text_message,
&button_message,
&progressbar,
&tx_view
});
// Default settings
field_time_unit.set_value(50); // 50ms unit
field_tone.set_value(700); // 700Hz FM tone
options_modulation.set_selected_index(0); // CW mode
checkbox_foxhunt.on_select = [this](Checkbox&, bool value) {
foxhunt_mode = value;
if (foxhunt_mode)
set_foxhunt(options_foxhunt.selected_index_value());
};
options_foxhunt.on_change = [this](size_t i, int32_t) {
if (foxhunt_mode)
set_foxhunt(i);
};
options_modulation.on_change = [this](size_t i, int32_t) {
modulation = (modulation_t)i;
};
field_time_unit.on_change = [this](int32_t) {
update_tx_duration();
};
button_message.on_select = [this, &nav](Button&) {
this->on_set_text(nav);
};
tx_view.on_edit_frequency = [this, &nav]() {
auto new_view = nav.push<FrequencyKeypadView>(receiver_model.tuning_frequency());
new_view->on_changed = [this](rf::Frequency f) {
receiver_model.set_tuning_frequency(f);
};
};
tx_view.on_start = [this]() {
if (start_tx())
tx_view.set_transmitting(true);
};
tx_view.on_stop = [this]() {
if (ookthread) chThdTerminate(ookthread);
transmitter_model.disable();
baseband::kill_tone();
tx_view.set_transmitting(false);
};
}
} /* namespace ui */