96 lines
2.8 KiB
C++
96 lines
2.8 KiB
C++
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/*
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* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
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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_rssi.hpp"
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#include "baseband_api.hpp"
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#include "utility.hpp"
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#include <algorithm>
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namespace ui {
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void RSSI::paint(Painter& painter) {
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const auto r = screen_rect();
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constexpr int rssi_sample_range = 256;
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constexpr float rssi_voltage_min = 0.4;
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constexpr float rssi_voltage_max = 2.2;
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constexpr float adc_voltage_max = 3.3;
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constexpr int raw_min = rssi_sample_range * rssi_voltage_min / adc_voltage_max;
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constexpr int raw_max = rssi_sample_range * rssi_voltage_max / adc_voltage_max;
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constexpr int raw_delta = raw_max - raw_min;
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const range_t<int> x_avg_range { 0, r.width() - 1 };
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const auto x_avg = x_avg_range.clip((avg_ - raw_min) * r.width() / raw_delta);
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const range_t<int> x_min_range { 0, x_avg };
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const auto x_min = x_min_range.clip((min_ - raw_min) * r.width() / raw_delta);
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const range_t<int> x_max_range { x_avg + 1, r.width() };
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const auto x_max = x_max_range.clip((max_ - raw_min) * r.width() / raw_delta);
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const Rect r0 { r.left(), r.top(), x_min, r.height() };
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painter.fill_rectangle(
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r0,
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Color::blue()
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);
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const Rect r1 { r.left() + x_min, r.top(), x_avg - x_min, r.height() };
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painter.fill_rectangle(
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r1,
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Color::red()
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);
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const Rect r2 { r.left() + x_avg, r.top(), 1, r.height() };
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painter.fill_rectangle(
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r2,
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Color::white()
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);
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const Rect r3 { r.left() + x_avg + 1, r.top(), x_max - (x_avg + 1), r.height() };
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painter.fill_rectangle(
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r3,
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Color::red()
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);
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const Rect r4 { r.left() + x_max, r.top(), r.width() - x_max, r.height() };
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painter.fill_rectangle(
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r4,
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Color::black()
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);
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if (pitch_rssi_enabled) {
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baseband::set_pitch_rssi((avg_ - raw_min) * 2000 / raw_delta, true);
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}
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}
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void RSSI::set_pitch_rssi(bool enabled) {
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pitch_rssi_enabled = enabled;
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if (!enabled) baseband::set_pitch_rssi(0, false);
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}
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void RSSI::on_statistics_update(const RSSIStatistics& statistics) {
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min_ = statistics.min;
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avg_ = statistics.accumulator / statistics.count;
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max_ = statistics.max;
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set_dirty();
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}
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} /* namespace ui */
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