mirror of
https://github.com/eried/portapack-mayhem.git
synced 2024-12-26 15:59:28 -05:00
113 lines
3.0 KiB
C++
113 lines
3.0 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 "portapack.hpp"
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#include "event_m0.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, divider;
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divider = ((double)options_type.selected_index_value() / 8.0);
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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, 2);
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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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text_result_metric.set(m + "m " + cm + "." + mm + "cm");
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// ANT500 elements for crude adjustment
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length /= 0.14;
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if (int(length) <= 4) {
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auto elements = to_string_dec_int((int)length, 1);
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text_result_ant500.set(elements + " " + frac_str[((int(length * 10.0) % 10) + 1) / 3] + "ANT500 elements");
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} else {
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text_result_ant500.set("-");
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}
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// Imperial
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length = (speed_of_light_fps / (double)field_frequency.value()) * divider;
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auto feet = to_string_dec_int((int)length, 3);
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auto inch = to_string_dec_int(int(length * 10.0) % 12, 2);
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auto inch_c = to_string_dec_int(int(length * 100.0) % 10, 1);
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text_result_imperial.set(feet + "ft " + inch + "." + inch_c + "in");
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}
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WhipCalcView::WhipCalcView(
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NavigationView& nav
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) {
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add_children({
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&labels,
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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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&text_result_ant500,
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&button_exit
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});
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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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options_type.set_selected_index(2); // Quarter wave
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field_frequency.set_value(transmitter_model.tuning_frequency());
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field_frequency.set_step(500000); // 500kHz step
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field_frequency.on_change = [this](rf::Frequency) {
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this->update_result();
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};
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field_frequency.on_edit = [this, &nav]() {
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// TODO: Provide separate modal method/scheme?
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auto new_view = nav.push<FrequencyKeypadView>(transmitter_model.tuning_frequency());
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new_view->on_changed = [this](rf::Frequency f) {
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this->update_result();
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this->field_frequency.set_value(f);
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};
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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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}
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