mirror of
https://github.com/eried/portapack-mayhem.git
synced 2024-12-12 17:24:27 -05:00
180 lines
6.4 KiB
C++
180 lines
6.4 KiB
C++
/*
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* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
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* Copyright (C) 2016 Furrtek
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*
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* This file is part of PortaPack.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#include "ui_whipcalc.hpp"
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#include "ch.h"
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#include "convert.hpp"
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#include "event_m0.hpp"
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#include "file_reader.hpp"
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#include "portapack.hpp"
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#include "file_path.hpp"
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#include <cstring>
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using namespace portapack;
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namespace ui {
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void WhipCalcView::focus() {
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field_frequency.focus();
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}
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void WhipCalcView::update_result() {
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double length, calclength, divider;
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console.clear(true);
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divider = ((double)options_type.selected_index_value() / 8.0);
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// Antenna lengths fields
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if (field_frequency.value() > 0) {
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// Metric
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length = (speed_of_light_mps / (double)field_frequency.value()) * divider;
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auto m = to_string_dec_int((int)length, 0);
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// auto cm = to_string_dec_int(int(length * 100.0) % 100, 2);
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// auto mm = to_string_dec_int(int(length * 1000.0) % 10, 1);
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calclength = get_decimals(length, 100); // cm
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auto cm = to_string_dec_int(int(calclength), 0);
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auto mm = to_string_dec_int(int(get_decimals(calclength, 10, true)), 0);
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text_result_metric.set(m + "m " + cm + "." + mm + "cm");
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// Imperial
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calclength = (speed_of_light_fps / (double)field_frequency.value()) * divider;
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auto feet = to_string_dec_int(int(calclength), 0);
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calclength = get_decimals(calclength, 12); // inches
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auto inch = to_string_dec_int(int(calclength), 0);
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auto inch_c = to_string_dec_int(int(get_decimals(calclength, 10, true)), 0);
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text_result_imperial.set(feet + "ft " + inch + "." + inch_c + "in");
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} else {
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text_result_metric.set("infinity+");
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text_result_imperial.set("infinity+");
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return;
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}
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uint8_t ant_count = 9; // Shown antennas counter
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length *= 1000; // Get length in mm needed to extend the antenna
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for (antenna_entry antenna : antenna_db) { // go thru all antennas available
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uint16_t element, refined_quarter = 0;
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for (element = 0; element < antenna.elements.size(); element++) {
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if (length == antenna.elements[element]) // Exact element in length
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{
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element++; // Real element is +1 (zero based vector)
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break; // Done with this ant
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} else if (length < antenna.elements[element]) {
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double remain, this_element, quarter = 0;
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remain = length - antenna.elements[element - 1]; // mm needed from this element to reach length
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this_element = antenna.elements[element] - antenna.elements[element - 1]; // total mm on this element
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quarter = (remain * 4) / this_element; // havoc & portack ended on this int(quarter) resolution.
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if (quarter - int(quarter) > 0.5) { // rounding gave a measure closer to next quarter
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refined_quarter = int(quarter) + 1;
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if (refined_quarter == 4) { // rounding gave a measure closer to next element
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refined_quarter = 0;
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element++;
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}
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} else {
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refined_quarter = int(quarter);
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}
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break; // Done with this ant
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}
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}
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/*if (!ant_count)
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{
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console.write(" and more ...");
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break;
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}*/
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console.write(antenna.label + ": " + to_string_dec_int(element, 1) + frac_str[refined_quarter] + " elements\n");
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ant_count--; // For now, just showing all.
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}
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}
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WhipCalcView::WhipCalcView(NavigationView& nav)
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: nav_{nav} {
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add_children({&labels,
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//&antennas_on_memory,
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&field_frequency,
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&options_type,
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&text_result_metric,
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&text_result_imperial,
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&console,
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&button_exit});
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// Try loading antennas from file.
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load_antenna_db();
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if (!antenna_db.size())
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add_default_antenna();
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// antennas_on_memory.set(to_string_dec_int(antenna_db.size(),0) + " antennas"); //tell user
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options_type.set_selected_index(2); // Quarter wave
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options_type.on_change = [this](size_t, OptionsField::value_t) {
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this->update_result();
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};
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field_frequency.set_step(1000000); // 1MHz step
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field_frequency.updated = [this](rf::Frequency) {
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update_result();
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};
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button_exit.on_select = [this, &nav](Button&) {
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nav.pop();
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};
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update_result();
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}
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void WhipCalcView::load_antenna_db() {
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File antennas_file;
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auto error = antennas_file.open(whipcalc_dir / u"ANTENNAS.TXT");
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if (error)
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return;
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auto reader = FileLineReader(antennas_file);
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for (const auto& line : reader) {
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if (line.length() == 0 || line[0] == '#')
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continue; // Empty or comment line.
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auto cols = split_string(line, ',');
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if (cols.size() < 2)
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continue; // Line doesn't have enough columns.
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antenna_entry new_antenna{
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std::string{cols[0]}};
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// Add antenna elements.
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for (auto i = 1ul; i < cols.size(); ++i) {
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uint16_t length = 0;
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if (parse_int(cols[i], length)) {
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new_antenna.elements.push_back(length);
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}
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}
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if (!new_antenna.elements.empty())
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antenna_db.push_back(std::move(new_antenna));
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}
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}
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void WhipCalcView::add_default_antenna() {
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antenna_db.push_back({"ANT500", {185, 315, 450, 586, 724, 862}}); // store a default ant500
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}
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} // namespace ui
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