/* * 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_whipcalc.hpp" #include "ch.h" #include "convert.hpp" #include "event_m0.hpp" #include "file_reader.hpp" #include "portapack.hpp" #include using namespace portapack; namespace ui { void WhipCalcView::focus() { field_frequency.focus(); } void WhipCalcView::update_result() { double length, calclength, divider; console.clear(true); divider = ((double)options_type.selected_index_value() / 8.0); // Antenna lengths fields if (field_frequency.value() > 0) { // Metric length = (speed_of_light_mps / (double)field_frequency.value()) * divider; auto m = to_string_dec_int((int)length, 0); // auto cm = to_string_dec_int(int(length * 100.0) % 100, 2); // auto mm = to_string_dec_int(int(length * 1000.0) % 10, 1); calclength = get_decimals(length, 100); // cm auto cm = to_string_dec_int(int(calclength), 0); auto mm = to_string_dec_int(int(get_decimals(calclength, 10, true)), 0); text_result_metric.set(m + "m " + cm + "." + mm + "cm"); // Imperial calclength = (speed_of_light_fps / (double)field_frequency.value()) * divider; auto feet = to_string_dec_int(int(calclength), 0); calclength = get_decimals(calclength, 12); // inches auto inch = to_string_dec_int(int(calclength), 0); auto inch_c = to_string_dec_int(int(get_decimals(calclength, 10, true)), 0); text_result_imperial.set(feet + "ft " + inch + "." + inch_c + "in"); } else { text_result_metric.set("infinity+"); text_result_imperial.set("infinity+"); return; } uint8_t ant_count = 9; // Shown antennas counter length *= 1000; // Get length in mm needed to extend the antenna for (antenna_entry antenna : antenna_db) { // go thru all antennas available uint16_t element, refined_quarter = 0; for (element = 0; element < antenna.elements.size(); element++) { if (length == antenna.elements[element]) // Exact element in length { element++; // Real element is +1 (zero based vector) break; // Done with this ant } else if (length < antenna.elements[element]) { double remain, this_element, quarter = 0; remain = length - antenna.elements[element - 1]; // mm needed from this element to reach length this_element = antenna.elements[element] - antenna.elements[element - 1]; // total mm on this element quarter = (remain * 4) / this_element; // havoc & portack ended on this int(quarter) resolution. if (quarter - int(quarter) > 0.5) { // rounding gave a measure closer to next quarter refined_quarter = int(quarter) + 1; if (refined_quarter == 4) { // rounding gave a measure closer to next element refined_quarter = 0; element++; } } else { refined_quarter = int(quarter); } break; // Done with this ant } } /*if (!ant_count) { console.write(" and more ..."); break; }*/ console.write(antenna.label + ": " + to_string_dec_int(element, 1) + frac_str[refined_quarter] + " elements\n"); ant_count--; // For now, just showing all. } } WhipCalcView::WhipCalcView(NavigationView& nav) : nav_{nav} { add_children({&labels, //&antennas_on_memory, &field_frequency, &options_type, &text_result_metric, &text_result_imperial, &console, &button_exit}); // Try loading antennas from file. load_antenna_db(); if (!antenna_db.size()) add_default_antenna(); // antennas_on_memory.set(to_string_dec_int(antenna_db.size(),0) + " antennas"); //tell user options_type.set_selected_index(2); // Quarter wave options_type.on_change = [this](size_t, OptionsField::value_t) { this->update_result(); }; field_frequency.set_step(1000000); // 1MHz step field_frequency.updated = [this](rf::Frequency) { update_result(); }; button_exit.on_select = [this, &nav](Button&) { nav.pop(); }; update_result(); } void WhipCalcView::load_antenna_db() { File antennas_file; auto error = antennas_file.open("/WHIPCALC/ANTENNAS.TXT"); if (error) return; auto reader = FileLineReader(antennas_file); for (const auto& line : reader) { if (line.length() == 0 || line[0] == '#') continue; // Empty or comment line. auto cols = split_string(line, ','); if (cols.size() < 2) continue; // Line doesn't have enough columns. antenna_entry new_antenna{ std::string{cols[0]}}; // Add antenna elements. for (auto i = 1ul; i < cols.size(); ++i) { uint16_t length = 0; if (parse_int(cols[i], length)) { new_antenna.elements.push_back(length); } } if (!new_antenna.elements.empty()) antenna_db.push_back(std::move(new_antenna)); } } void WhipCalcView::add_default_antenna() { antenna_db.push_back({"ANT500", {185, 315, 450, 586, 724, 862}}); // store a default ant500 } } // namespace ui