mayhem-firmware/firmware/application/ui_adsb_tx.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.
*/
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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 "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_);
}
ADSBView::ADSBView() {
add_child(&check_enable);
hidden(true);
check_enable.on_select = [this](Checkbox&, bool value) {
enabled = value;
};
}
void ADSBView::set_enabled(bool value) {
check_enable.set_value(value);
}
void ADSBView::set_type(std::string type) {
check_enable.set_text("Transmit " + type);
}
void ADSBView::focus() {
check_enable.focus();
}
ADSBPositionView::ADSBPositionView(NavigationView& nav) {
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.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) {
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) {
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);
};
}
void ADSBCallsignView::collect_frames(const uint32_t ICAO_address, std::vector<ADSBFrame>& frame_list) {
ADSBFrame temp_frame;
encode_frame_id(temp_frame, ICAO_address, callsign);
frame_list.emplace_back(temp_frame);
}
ADSBSpeedView::ADSBSpeedView() {
set_type("speed");
add_children({
&labels_speed,
&compass,
&field_angle,
&field_speed
});
field_angle.set_value(0);
field_speed.set_value(400);
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) {
ADSBFrame temp_frame;
encode_frame_velo(temp_frame, ICAO_address, field_speed.value(),
field_angle.value(), 0); // TODO: v_rate
frame_list.emplace_back(temp_frame);
}
ADSBSquawkView::ADSBSquawkView() {
set_type("squawk");
add_children({
&labels_squawk,
&field_squawk
});
}
void ADSBSquawkView::collect_frames(const uint32_t ICAO_address, std::vector<ADSBFrame>& frame_list) {
ADSBFrame temp_frame;
(void)ICAO_address;
encode_frame_squawk(temp_frame, field_squawk.value_dec_u32());
frame_list.emplace_back(temp_frame);
}
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void ADSBTxView::focus() {
tab_view.focus();
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}
ADSBTxView::~ADSBTxView() {
transmitter_model.disable();
baseband::shutdown();
}
void ADSBTxView::generate_frames() {
const uint32_t ICAO_address = sym_icao.value_hex_u64();
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/* 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);
// DEBUG: Show how many frames were generated
text_frame.set(to_string_dec_uint(frames.size()) + " frame(s).");
//memset(bin_ptr, 0, 240);
//auto raw_ptr = frames[0].get_raw_data();
// The preamble isn't manchester encoded
//memcpy(bin_ptr, adsb_preamble, 16);
// Convert to binary with manchester encoding (1 byte per bit, faster for baseband code)
/*for (c = 0; c < 112; c++) {
if ((raw_ptr[c >> 3] << (c & 7)) & 0x80) {
bin_ptr[(c * 2) + 16] = 1;
bin_ptr[(c * 2) + 16 + 1] = 0;
} else {
bin_ptr[(c * 2) + 16] = 0;
bin_ptr[(c * 2) + 16 + 1] = 1;
}
}*/
/*manchester_encode(bin_ptr + 16, raw_ptr, 112, 0);
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// Display in hex for debug
text_frame.set(to_string_hex_array(frames[0].get_raw_data(), 14));
button_callsign.set_text(callsign);*/
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}
void ADSBTxView::start_tx() {
generate_frames();
transmitter_model.set_sampling_rate(4000000U);
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transmitter_model.set_rf_amp(true);
transmitter_model.set_baseband_bandwidth(10000000);
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transmitter_model.enable();
baseband::set_adsb();
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}
void ADSBTxView::on_txdone(const bool v) {
(void)v;
/*if (v) {
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transmitter_model.disable();
tx_view.set_transmitting(false);
}*/
}
void ADSBTxView::rotate_frames() {
uint8_t * bin_ptr = shared_memory.bb_data.data;
uint8_t * raw_ptr;
uint32_t frame_index = 0; //, plane_index = 0;
uint32_t c; //, regen = 0;
//float offs = 0;
for (;;) {
/*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, 240);
raw_ptr = frames[frame_index].get_raw_data();
memcpy(bin_ptr, adsb_preamble, 16);
// Convert to binary (1 byte per bit, faster for baseband code)
for (c = 0; c < 112; c++) {
if ((raw_ptr[c >> 3] << (c & 7)) & 0x80) {
bin_ptr[(c * 2) + 16] = 1;
bin_ptr[(c * 2) + 16 + 1] = 0;
} else {
bin_ptr[(c * 2) + 16] = 0;
bin_ptr[(c * 2) + 16 + 1] = 1;
}
}
baseband::set_adsb();
chThdSleepMilliseconds(50);
if (frame_index == frames.size()) {
frame_index = 0;
//if (regen)
// regen--;
} else {
frame_index++;
}
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}
}
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ADSBTxView::ADSBTxView(
NavigationView& nav
) : nav_ { nav }
{
Rect view_rect = { 0, 7 * 8, 240, 192 };
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
});
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view_position.set_parent_rect(view_rect);
view_callsign.set_parent_rect(view_rect);
view_speed.set_parent_rect(view_rect);
view_squawk.set_parent_rect(view_rect);
tx_view.on_start = [this]() {
start_tx();
tx_view.set_transmitting(true);
// Disable for DEBUG
//rotate_frames();
};
tx_view.on_stop = [this]() {
tx_view.set_transmitting(false);
transmitter_model.disable();
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};
}
} /* namespace ui */