FCD Pro+ plugin: non ALSA classes to handle FCD audio for Windows build

2026-07-26 12:04:13 -04:00 · 2016-03-29 03:17:59 +02:00
parent bf9e5c6d15
commit 989feb9108
7 changed files with 616 additions and 4 deletions
@@ -0,0 +1,89 @@
+///////////////////////////////////////////////////////////////////////////////////
+// Copyright (C) 2016 Edouard Griffiths, F4EXB                                   //
+//                                                                               //
+// This is a pure Qt (non ALSA) FCD sound card reader for Windows build          //
+//                                                                               //
+// 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 as version 3 of the License, or                  //
+//                                                                               //
+// 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 V3 for more details.                               //
+//                                                                               //
+// You should have received a copy of the GNU General Public License             //
+// along with this program. If not, see <http://www.gnu.org/licenses/>.          //
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef INCLUDE_FCDINPUT_H
+#define INCLUDE_FCDINPUT_H
+
+#include "fcdproplussettings.h"
+#include "dsp/samplesource.h"
+#include "fcdhid.h"
+#include <QString>
+#include <inttypes.h>
+
+struct fcd_buffer {
+	void *start;
+	std::size_t length;
+};
+
+class FCDProPlusReader;
+
+class FCDProPlusInput : public SampleSource {
+public:
+	class MsgConfigureFCD : public Message {
+		MESSAGE_CLASS_DECLARATION
+
+	public:
+		const FCDProPlusSettings& getSettings() const { return m_settings; }
+
+		static MsgConfigureFCD* create(const FCDProPlusSettings& settings)
+		{
+			return new MsgConfigureFCD(settings);
+		}
+
+	private:
+		FCDProPlusSettings m_settings;
+
+		MsgConfigureFCD(const FCDProPlusSettings& settings) :
+			Message(),
+			m_settings(settings)
+		{ }
+	};
+
+	FCDProPlusInput();
+	virtual ~FCDProPlusInput();
+
+	virtual bool init(const Message& cmd);
+	virtual bool start(int device);
+	virtual void stop();
+
+	virtual const QString& getDeviceDescription() const;
+	virtual int getSampleRate() const;
+	virtual quint64 getCenterFrequency() const;
+
+	virtual bool handleMessage(const Message& message);
+
+	void set_center_freq(double freq);
+	void set_bias_t(bool on);
+	void set_lna_gain(bool on);
+	void set_mixer_gain(bool on);
+	void set_if_gain(int gain);
+	void set_rf_filter(int filterIndex);
+	void set_if_filter(int filterIndex);
+	void set_lo_ppm();
+
+private:
+	void applySettings(const FCDProPlusSettings& settings, bool force);
+
+	hid_device *m_dev;
+	QMutex m_mutex;
+	FCDProPlusSettings m_settings;
+	FCDProPlusReader* m_FCDReader;
+	QString m_deviceDescription;
+};
+
+#endif // INCLUDE_FCD_H