mayhem-firmware/firmware/application/ui_jammer.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 "ui_jammer.hpp"
#include "ui_receiver.hpp"
#include "baseband_api.hpp"
#include "string_format.hpp"
using namespace portapack;
namespace ui {
void RangeView::focus() {
check_enabled.focus();
}
extern constexpr jammer_range_t RangeView::range_presets[];
extern constexpr Style RangeView::style_info;
void RangeView::update_min(rf::Frequency f) {
// Change everything except max
frequency_range.min = f;
button_min.set_text(to_string_short_freq(f));
center = (frequency_range.min + frequency_range.max) / 2;
width = abs(frequency_range.max - frequency_range.min);
button_center.set_text(to_string_short_freq(center));
button_width.set_text(to_string_short_freq(width));
}
void RangeView::update_max(rf::Frequency f) {
// Change everything except min
frequency_range.max = f;
button_max.set_text(to_string_short_freq(f));
center = (frequency_range.min + frequency_range.max) / 2;
width = abs(frequency_range.max - frequency_range.min);
button_center.set_text(to_string_short_freq(center));
button_width.set_text(to_string_short_freq(width));
}
void RangeView::update_center(rf::Frequency f) {
// Change min/max/center, keep width
center = f;
button_center.set_text(to_string_short_freq(center));
rf::Frequency min = center - (width / 2);
rf::Frequency max = min + width;
frequency_range.min = min;
button_min.set_text(to_string_short_freq(min));
frequency_range.max = max;
button_max.set_text(to_string_short_freq(max));
}
void RangeView::update_width(uint32_t w) {
// Change min/max/width, keep center
width = w;
button_width.set_text(to_string_short_freq(width));
rf::Frequency min = center - (width / 2);
rf::Frequency max = min + width;
frequency_range.min = min;
button_min.set_text(to_string_short_freq(min));
frequency_range.max = max;
button_max.set_text(to_string_short_freq(max));
}
void RangeView::paint(Painter&) {
// Draw lines and arrows
Rect r;
Point p;
Coord c;
r = button_center.screen_rect();
p = r.center() + Point(0, r.height() / 2);
display.draw_line(p, p + Point(0, 10), Color::grey());
r = button_width.screen_rect();
c = r.top() + (r.height() / 2);
p = {r.left() - 64, c};
display.draw_line({r.left(), c}, p, Color::grey());
display.draw_line(p, p + Point(10, -10), Color::grey());
display.draw_line(p, p + Point(10, 10), Color::grey());
p = {r.right() + 64, c};
display.draw_line({r.right(), c}, p, Color::grey());
display.draw_line(p, p + Point(-10, -10), Color::grey());
display.draw_line(p, p + Point(-10, 10), Color::grey());
}
RangeView::RangeView(NavigationView& nav) {
hidden(true);
add_children({
&labels,
&check_enabled,
&options_preset,
&button_min,
&button_max,
&button_center,
&button_width
});
check_enabled.on_select = [this](Checkbox&, bool v) {
frequency_range.enabled = v;
};
button_min.on_select = [this, &nav](Button& button) {
auto new_view = nav.push<FrequencyKeypadView>(frequency_range.min);
new_view->on_changed = [this, &button](rf::Frequency f) {
update_min(f);
};
//update_button(button, f);
};
button_max.on_select = [this, &nav](Button& button) {
auto new_view = nav.push<FrequencyKeypadView>(frequency_range.max);
new_view->on_changed = [this, &button](rf::Frequency f) {
update_max(f);
};
//update_button(button, f);
};
button_center.on_select = [this, &nav](Button& button) {
auto new_view = nav.push<FrequencyKeypadView>(center);
new_view->on_changed = [this, &button](rf::Frequency f) {
update_center(f);
};
//update_button(button, f);
};
button_width.on_select = [this, &nav](Button& button) {
auto new_view = nav.push<FrequencyKeypadView>(width);
new_view->on_changed = [this, &button](rf::Frequency f) {
update_width(f);
};
//update_button(button, f);
};
options_preset.on_change = [this](size_t, OptionsField::value_t v) {
update_min(range_presets[v].min);
update_max(range_presets[v].max);
check_enabled.set_value(true);
};
options_preset.set_selected_index(11); // ISM 868
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check_enabled.set_value(false);
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}
void JammerView::focus() {
tab_view.focus();
}
JammerView::~JammerView() {
transmitter_model.disable();
baseband::shutdown();
}
void JammerView::on_retune(const rf::Frequency freq, const uint32_t range) {
if (freq) {
transmitter_model.set_tuning_frequency(freq);
text_range_number.set(to_string_dec_uint(range, 2));
}
}
void JammerView::set_jammer_channel(uint32_t i, uint32_t width, uint64_t center, uint32_t duration) {
jammer_channels[i].enabled = true;
jammer_channels[i].width = (width * 0xFFFFFFULL) / 1536000;
jammer_channels[i].center = center;
jammer_channels[i].duration = 30720 * duration;
}
extern constexpr Style JammerView::style_val;
extern constexpr Style JammerView::style_cancel;
void JammerView::start_tx() {
uint32_t c, i = 0;
size_t num_channels;
rf::Frequency start_freq, range_bw, range_bw_sub, ch_width;
bool out_of_ranges = false;
size_t hop_value = options_hop.selected_index_value();
// Disable all channels by default
for (c = 0; c < JAMMER_MAX_CH; c++)
jammer_channels[c].enabled = false;
// Generate jamming channels with JAMMER_MAX_CH maximum width
// Convert ranges min/max to center/bw
for (size_t r = 0; r < 3; r++) {
if (range_views[r]->frequency_range.enabled) {
range_bw = abs(range_views[r]->frequency_range.max - range_views[r]->frequency_range.min);
// Get lower bound
if (range_views[r]->frequency_range.min < range_views[r]->frequency_range.max)
start_freq = range_views[r]->frequency_range.min;
else
start_freq = range_views[r]->frequency_range.max;
if (range_bw >= JAMMER_CH_WIDTH) {
// Split range in multiple channels
num_channels = 0;
range_bw_sub = range_bw;
do {
range_bw_sub -= JAMMER_CH_WIDTH;
num_channels++;
} while (range_bw_sub >= JAMMER_CH_WIDTH);
ch_width = range_bw / num_channels;
for (c = 0; c < num_channels; c++) {
if (i >= JAMMER_MAX_CH) {
out_of_ranges = true;
break;
}
set_jammer_channel(i, ch_width, start_freq + (ch_width / 2) + (ch_width * c), hop_value);
i++;
}
} else {
// Range fits in a single channel
if (i >= JAMMER_MAX_CH) {
out_of_ranges = true;
} else {
set_jammer_channel(i, range_bw, start_freq + (range_bw / 2), hop_value);
i++;
}
}
}
}
if (!out_of_ranges && i) {
text_range_total.set("/" + to_string_dec_uint(i, 2));
jamming = true;
button_transmit.set_style(&style_cancel);
button_transmit.set_text("STOP");
transmitter_model.set_sampling_rate(3072000U);
transmitter_model.set_rf_amp(true);
transmitter_model.set_baseband_bandwidth(3500000U);
transmitter_model.set_tx_gain(47);
transmitter_model.enable();
baseband::set_jammer(true, (JammerType)options_type.selected_index(), options_speed.selected_index_value());
} else {
if (out_of_ranges)
nav_.display_modal("Error", "Jamming bandwidth too large.\nMust be less than 24MHz.");
else
nav_.display_modal("Error", "No range enabled.");
}
}
void JammerView::stop_tx() {
button_transmit.set_style(&style_val);
button_transmit.set_text("START");
transmitter_model.disable();
radio::disable();
baseband::set_jammer(false, JammerType::TYPE_FSK, 0);
jamming = false;
}
JammerView::JammerView(
NavigationView& nav
) : nav_ { nav }
{
Rect view_rect = { 0, 3 * 8, 240, 80 };
baseband::run_image(portapack::spi_flash::image_tag_jammer);
add_children({
&tab_view,
&view_range_a,
&view_range_b,
&view_range_c,
&labels,
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&options_type,
&text_range_number,
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&text_range_total,
&options_speed,
&options_hop,
&button_transmit
});
view_range_a.set_parent_rect(view_rect);
view_range_b.set_parent_rect(view_rect);
view_range_c.set_parent_rect(view_rect);
options_type.set_selected_index(3); // Rand CW
options_speed.set_selected_index(3); // 10kHz
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options_hop.set_selected_index(1); // 50ms
button_transmit.set_style(&style_val);
button_transmit.on_select = [this](Button&) {
if (jamming)
stop_tx();
else
start_tx();
};
}
} /* namespace ui */