Initial firmware commit.

firmware/application/ui_rssi.cpp

@@ -0,0 +1,106 @@
+/*
+ * Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
+ *
+ * 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_rssi.hpp"
+
+#include <algorithm>
+
+namespace ui {
+
+void RSSI::on_show() {
+	context().message_map[Message::ID::RSSIStatistics] = [this](const Message* const p) {
+		this->on_statistics_update(static_cast<const RSSIStatisticsMessage*>(p)->statistics);
+	};
+}
+
+void RSSI::on_hide() {
+	context().message_map[Message::ID::RSSIStatistics] = nullptr;
+}
+
+void RSSI::paint(Painter& painter) {
+	const auto r = screen_rect();
+	/*
+	constexpr int32_t rssi_min = 0.# * 256 / 3.3;
+	constexpr int32_t rssi_max = 2.5 * 256 / 3.3;
+	// (23 - 194) / 2
+	*/
+	/* TODO: Clip maximum */
+	constexpr int32_t raw_min = 23;
+	const int32_t x_0 = 0;
+	const int32_t x_min = std::max(x_0, (min_ - raw_min) / 2);
+	const int32_t x_avg = std::max(x_min, (avg_ - raw_min) / 2);
+	const int32_t x_max = std::max(x_avg + 1, (max_ - raw_min) / 2);
+	const int32_t x_lim = r.width();
+
+	const Rect r0 {
+		static_cast<ui::Coord>(r.left() + x_0), r.top(),
+		static_cast<ui::Dim>(x_min - x_0), r.height()
+	};
+	painter.fill_rectangle(
+		r0,
+		Color::blue()
+	);
+
+	const Rect r1 {
+		static_cast<ui::Coord>(r.left() + x_min), r.top(),
+		static_cast<ui::Dim>(x_avg - x_min), r.height()
+	};
+	painter.fill_rectangle(
+		r1,
+		Color::red()
+	);
+
+	const Rect r2 {
+		static_cast<ui::Coord>(r.left() + x_avg), r.top(),
+		1, r.height()
+	};
+	painter.fill_rectangle(
+		r2,
+		Color::white()
+	);
+
+	const Rect r3 {
+		static_cast<ui::Coord>(r.left() + x_avg + 1), r.top(),
+		static_cast<ui::Dim>(x_max - (x_avg + 1)), r.height()
+	};
+	painter.fill_rectangle(
+		r3,
+		Color::red()
+	);
+
+	const Rect r4 {
+		static_cast<ui::Coord>(r.left() + x_max), r.top(),
+		static_cast<ui::Dim>(x_lim - x_max), r.height()
+	};
+	painter.fill_rectangle(
+		r4,
+		Color::black()
+	);
+}
+
+void RSSI::on_statistics_update(const RSSIStatistics& statistics) {
+	min_ = statistics.min;
+	avg_ = statistics.accumulator / statistics.count;
+	max_ = statistics.max;
+	set_dirty();
+}
+
+} /* namespace ui */