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/*
* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
* Copyright (C) 2016 Furrtek
*
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* 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.
*/
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#include "ui_adsb_tx.hpp"
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#include "ui_alphanum.hpp"
#include "manchester.hpp"
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#include "string_format.hpp"
#include "portapack.hpp"
#include "cpld_update.hpp"
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#include "baseband_api.hpp"
#include <cstring>
#include <stdio.h>
using namespace adsb;
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using namespace portapack;
namespace ui {
Compass::Compass(
const Point parent_pos)
: Widget{{parent_pos, {64, 64}}} {
}
void Compass::set_value(uint32_t new_value) {
Point center = screen_pos() + Point(32, 32);
new_value = range.clip(new_value);
display.draw_line(
center,
center + polar_to_point(value_, 28),
Color::dark_grey());
display.draw_line(
center,
center + polar_to_point(new_value, 28),
Color::green());
value_ = new_value;
}
void Compass::paint(Painter&) {
display.fill_circle(screen_pos() + Point(32, 32), 32, Color::dark_grey(), Color::black());
display.fill_rectangle({screen_pos() + Point(32 - 2, 0), {4, 4}}, Color::black()); // N
display.fill_rectangle({screen_pos() + Point(32 - 2, 64 - 4), {4, 4}}, Color::black()); // S
display.fill_rectangle({screen_pos() + Point(0, 32 - 2), {4, 4}}, Color::black()); // W
display.fill_rectangle({screen_pos() + Point(64 - 4, 32 - 2), {4, 4}}, Color::black()); // E
set_value(value_);
}
ADSBPositionView::ADSBPositionView(
NavigationView& nav,
Rect parent_rect)
: OptionTabView(parent_rect) {
set_type("position");
add_children({&geopos,
&button_set_map});
geopos.set_altitude(36000);
button_set_map.on_select = [this, &nav](Button&) {
nav.push<GeoMapView>(
geopos.altitude(),
GeoPos::alt_unit::FEET,
geopos.lat(),
geopos.lon(),
[this](int32_t altitude, float lat, float lon) {
geopos.set_altitude(altitude);
geopos.set_lat(lat);
geopos.set_lon(lon);
});
};
}
void ADSBPositionView::collect_frames(const uint32_t ICAO_address, std::vector<ADSBFrame>& frame_list) {
if (!enabled) return;
ADSBFrame temp_frame;
encode_frame_pos(temp_frame, ICAO_address, geopos.altitude(),
geopos.lat(), geopos.lon(), 0);
frame_list.emplace_back(temp_frame);
encode_frame_pos(temp_frame, ICAO_address, geopos.altitude(),
geopos.lat(), geopos.lon(), 1);
frame_list.emplace_back(temp_frame);
}
ADSBCallsignView::ADSBCallsignView(
NavigationView& nav,
Rect parent_rect)
: OptionTabView(parent_rect) {
set_type("callsign");
add_children({&labels_callsign,
&button_callsign});
set_enabled(true);
button_callsign.set_text(callsign);
button_callsign.on_select = [this, &nav](Button&) {
text_prompt(
nav,
callsign,
8,
[this](std::string& s) {
button_callsign.set_text(s);
});
};
}
void ADSBCallsignView::collect_frames(const uint32_t ICAO_address, std::vector<ADSBFrame>& frame_list) {
if (!enabled) return;
ADSBFrame temp_frame;
encode_frame_id(temp_frame, ICAO_address, callsign);
frame_list.emplace_back(temp_frame);
}
ADSBSpeedView::ADSBSpeedView(
Rect parent_rect)
: OptionTabView(parent_rect) {
set_type("speed");
add_children({&labels_speed,
&labels_vert_rate,
&compass,
&field_angle,
&field_speed,
&field_vert_rate});
field_angle.set_value(0);
field_speed.set_value(400);
field_vert_rate.set_value(0);
field_angle.on_change = [this](int32_t v) {
compass.set_value(v);
};
}
void ADSBSpeedView::collect_frames(const uint32_t ICAO_address, std::vector<ADSBFrame>& frame_list) {
if (!enabled) return;
ADSBFrame temp_frame;
encode_frame_velo(temp_frame, ICAO_address, field_speed.value(),
field_angle.value(), field_vert_rate.value()); // Added v_rate , ft/min , (+) climb , (-) descend .
frame_list.emplace_back(temp_frame);
}
ADSBSquawkView::ADSBSquawkView(
Rect parent_rect)
: OptionTabView(parent_rect) {
set_type("squawk");
add_children({&labels_squawk,
&field_squawk});
}
void ADSBSquawkView::collect_frames(const uint32_t ICAO_address, std::vector<ADSBFrame>& frame_list) {
if (!enabled) return;
ADSBFrame temp_frame;
(void)ICAO_address;
encode_frame_squawk(temp_frame, field_squawk.concatenate_4_octal_u16());
frame_list.emplace_back(temp_frame);
}
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ADSBTXThread::ADSBTXThread(
std::vector<ADSBFrame> frames)
: frames_{std::move(frames)} {
thread = chThdCreateFromHeap(NULL, 1024, NORMALPRIO + 10, ADSBTXThread::static_fn, this);
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}
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ADSBTXThread::~ADSBTXThread() {
if (thread) {
chThdTerminate(thread);
chThdWait(thread);
thread = nullptr;
}
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}
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msg_t ADSBTXThread::static_fn(void* arg) {
auto obj = static_cast<ADSBTXThread*>(arg);
obj->run();
return 0;
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}
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void ADSBTXThread::run() {
uint8_t* bin_ptr = shared_memory.bb_data.data;
uint8_t* raw_ptr;
uint32_t frame_index = 0; //, plane_index = 0;
// uint32_t regen = 0;
// float offs = 0;
while (!chThdShouldTerminate()) {
/*if (!regen) {
regen = 10;
encode_frame_id(frames[0], plane_index, "DEMO" + to_string_dec_uint(plane_index));
encode_frame_pos(frames[1], plane_index, 5000, plane_lats[plane_index]/8 + offs + 38.5, plane_lons[plane_index]/8 + 125.8, 0);
encode_frame_pos(frames[2], plane_index, 5000, plane_lats[plane_index]/8 + offs + 38.5, plane_lons[plane_index]/8 + 125.8, 1);
encode_frame_identity(frames[3], plane_index, 1337);
if (plane_index == 11)
plane_index = 0;
else
plane_index++;
offs += 0.001;
}*/
memset(bin_ptr, 0, 256); // 112 bits * 2 parts = 224 should be enough
raw_ptr = frames_[frame_index].get_raw_data();
// The preamble isn't manchester encoded
memcpy(bin_ptr, adsb_preamble, 16);
// Convert to binary (1 byte per bit, faster for baseband code)
manchester_encode(bin_ptr + 16, raw_ptr, 112, 0);
// Display in hex for debug
// text_frame.set(to_string_hex_array(frames[0].get_raw_data(), 14));
baseband::set_adsb();
chThdSleepMilliseconds(50);
frame_index++;
if (frame_index >= frames_.size()) {
frame_index = 0;
// if (regen)
// regen--;
}
}
}
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void ADSBTxView::focus() {
tab_view.focus();
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}
ADSBTxView::~ADSBTxView() {
// save app settings
app_settings.tx_frequency = transmitter_model.tuning_frequency();
settings.save("tx_adsb", &app_settings);
transmitter_model.disable();
hackrf::cpld::load_sram_no_verify(); // to leave all RX ok, withouth ghost signal problem at the exit .
baseband::shutdown(); // better this function at the end, not load_sram() that sometimes produces hang up.
}
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void ADSBTxView::generate_frames() {
const uint32_t ICAO_address = sym_icao.value_hex_u64();
frames.clear();
/* This scheme kinda sucks. Each "tab"'s collect_frames method
* is called to generate its related frame(s). Getting values
* from each widget of each tab would be better ?
* */
view_position.collect_frames(ICAO_address, frames);
view_callsign.collect_frames(ICAO_address, frames);
view_speed.collect_frames(ICAO_address, frames);
view_squawk.collect_frames(ICAO_address, frames);
// Show how many frames were generated
// text_frame.set(to_string_dec_uint(frames.size()) + " frame(s).");
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}
void ADSBTxView::start_tx() {
generate_frames();
transmitter_model.set_sampling_rate(4000000U);
transmitter_model.set_baseband_bandwidth(10000000);
transmitter_model.enable();
baseband::set_adsb();
tx_thread = std::make_unique<ADSBTXThread>(frames);
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}
ADSBTxView::ADSBTxView(
NavigationView& nav)
: nav_{nav} {
baseband::run_image(portapack::spi_flash::image_tag_adsb_tx);
add_children({&tab_view,
&labels,
&sym_icao,
&view_position,
&view_callsign,
&view_speed,
&view_squawk,
&text_frame,
&tx_view});
// load app settings
auto rc = settings.load("tx_adsb", &app_settings);
if (rc == SETTINGS_OK) {
transmitter_model.set_tuning_frequency(app_settings.tx_frequency);
transmitter_model.set_rf_amp(app_settings.tx_amp);
transmitter_model.set_tx_gain(app_settings.tx_gain);
}
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) {
transmitter_model.set_tuning_frequency(f);
};
};
tx_view.on_start = [this]() {
start_tx();
tx_view.set_transmitting(true);
};
tx_view.on_stop = [this]() {
tx_view.set_transmitting(false);
transmitter_model.disable();
};
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}
} /* namespace ui */