Rough implementation of capture mode

firmware/application/capture_app.hpp

@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2016 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 __CAPTURE_APP_HPP__
+#define __CAPTURE_APP_HPP__
+
+#include "ui_widget.hpp"
+#include "ui_navigation.hpp"
+
+#include "audio_thread.hpp"
+
+#include <string>
+#include <memory>
+
+namespace ui {
+
+class CaptureAppView : public View {
+public:
+	CaptureAppView(NavigationView& nav);
+	~CaptureAppView();
+
+	std::string title() const override { return "Capture"; };
+
+private:
+	static constexpr uint32_t initial_target_frequency = 91500000;
+	static constexpr uint32_t sampling_rate = 2457600;
+	static constexpr uint32_t baseband_bandwidth = 1750000;
+
+	std::unique_ptr<AudioThread> capture_thread;
+
+	uint32_t target_frequency() const;
+	uint32_t tuning_frequency() const;
+};
+
+} /* namespace ui */
+
+#endif/*__CAPTURE_APP_HPP__*/