Initial firmware commit.

firmware/common/lcd_ili9341.hpp

@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2014 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.
+ */
+
+#ifndef __LCD_ILI9341_H__
+#define __LCD_ILI9341_H__
+
+#include "ui.hpp"
+#include "ui_text.hpp"
+
+#include <cstdint>
+#include <array>
+
+namespace lcd {
+
+class ILI9341 {
+public:
+	constexpr ILI9341(
+	) : scroll_state { 0, 0, 320, 0 }
+	{
+	}
+
+	ILI9341(const ILI9341&) = delete;
+	ILI9341(ILI9341&&) = delete;
+	void operator=(const ILI9341&) = delete;
+
+	void init();
+
+	void fill_rectangle(ui::Rect r, const ui::Color c);
+	void fill_circle(
+		const ui::Point center,
+		const ui::Dim radius,
+		const ui::Color foreground,
+		const ui::Color background
+	);
+
+	void draw_pixel(const ui::Point p, const ui::Color color);
+
+	template<size_t N>
+	void draw_pixels(
+		const ui::Rect r,
+		const std::array<ui::Color, N>& colors
+	) {
+		draw_pixels(r, colors.data(), colors.size());
+	}
+
+	void draw_glyph(
+		const ui::Point p,
+		const ui::Glyph& glyph,
+		const ui::Color foreground,
+		const ui::Color background
+	);
+
+	void scroll_set_area(const ui::Coord top_y, const ui::Coord bottom_y);
+	ui::Coord scroll_set_position(const ui::Coord position);
+	ui::Coord scroll(const int32_t delta);
+	ui::Coord scroll_area_y(const ui::Coord y) const;
+	void scroll_disable();
+
+	constexpr ui::Dim width() const { return 240; }
+	constexpr ui::Dim height() const { return 320; }
+	constexpr ui::Rect screen_rect() const { return { 0, 0, width(), height() }; }
+
+private:
+	struct scroll_t {
+		uint16_t top_area;
+		uint16_t bottom_area;
+		uint16_t height;
+		uint16_t current_position;
+	};
+
+	scroll_t scroll_state;
+
+	void draw_pixels(const ui::Rect r, const ui::Color* const colors, const size_t count);
+};
+
+} /* namespace lcd */
+
+#endif/*__LCD_ILI9341_H__*/