[pulseview.git] / pv / sigsession.h

/*
 * This file is part of the PulseView project.
 *
 * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
 *
 * 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 of the License, 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; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 */

#ifndef PULSEVIEW_PV_SIGSESSION_H
#define PULSEVIEW_PV_SIGSESSION_H

#include <boost/shared_ptr.hpp>
#include <boost/thread.hpp>

#include <string>
#include <utility>
#include <vector>

#include <QObject>

extern "C" {
#include <libsigrok/libsigrok.h>
}

namespace pv {

class LogicData;
class LogicDataSnapshot;

namespace view {
class Signal;
}

class SigSession : public QObject
{
	Q_OBJECT

public:
	enum capture_state {
		Stopped,
		Running
	};

public:
	SigSession();

	~SigSession();

	void load_file(const std::string &name);

	capture_state get_capture_state() const;

	void start_capture(struct sr_dev_inst* sdi, uint64_t record_length,
		uint64_t sample_rate);

	void stop_capture();

	std::vector< boost::shared_ptr<view::Signal> >
		get_signals();

	boost::shared_ptr<LogicData> get_data();

private:
	void set_capture_state(capture_state state);

private:
	void sample_thread_proc(struct sr_dev_inst *sdi,
		uint64_t record_length, uint64_t sample_rate);

	void data_feed_in(const struct sr_dev_inst *sdi,
		struct sr_datafeed_packet *packet);

	static void data_feed_in_proc(const struct sr_dev_inst *sdi,
		struct sr_datafeed_packet *packet);

private:
	mutable boost::mutex _state_mutex;
	capture_state _capture_state;

	mutable boost::mutex _signals_mutex;
	std::vector< boost::shared_ptr<view::Signal> > _signals;

	mutable boost::mutex _data_mutex;
	boost::shared_ptr<LogicData> _logic_data;
	boost::shared_ptr<LogicDataSnapshot> _cur_logic_snapshot;

	std::auto_ptr<boost::thread> _sampling_thread;

signals:
	void capture_state_changed(int state);

	void signals_changed();

	void data_updated();

private:
	// TODO: This should not be necessary. Multiple concurrent
	// sessions should should be supported and it should be
	// possible to associate a pointer with a sr_session.
	static SigSession *_session;
};

} // namespace pv

#endif // PULSEVIEW_PV_SIGSESSION_H
Commit	Line	Data
	1	/*
	2	* This file is part of the PulseView project.
	3	*
	4	* Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	19	*/
	20
	21	#ifndef PULSEVIEW_PV_SIGSESSION_H
	22	#define PULSEVIEW_PV_SIGSESSION_H
	23
	24	#include <boost/shared_ptr.hpp>
	25	#include <boost/thread.hpp>
	26
	27	#include <string>
	28	#include <utility>
	29	#include <vector>
	30
	31	#include <QObject>
	32
	33	extern "C" {
	34	#include <libsigrok/libsigrok.h>
	35	}
	36
	37	namespace pv {
	38
	39	class LogicData;
	40	class LogicDataSnapshot;
	41
	42	namespace view {
	43	class Signal;
	44	}
	45
	46	class SigSession : public QObject
	47	{
	48	Q_OBJECT
	49
	50	public:
	51	enum capture_state {
	52	Stopped,
	53	Running
	54	};
	55
	56	public:
	57	SigSession();
	58
	59	~SigSession();
	60
	61	void load_file(const std::string &name);
	62
	63	capture_state get_capture_state() const;
	64
	65	void start_capture(struct sr_dev_inst* sdi, uint64_t record_length,
	66	uint64_t sample_rate);
	67
	68	void stop_capture();
	69
	70	std::vector< boost::shared_ptr<view::Signal> >
	71	get_signals();
	72
	73	boost::shared_ptr<LogicData> get_data();
	74
	75	private:
	76	void set_capture_state(capture_state state);
	77
	78	private:
	79	void sample_thread_proc(struct sr_dev_inst *sdi,
	80	uint64_t record_length, uint64_t sample_rate);
	81
	82	void data_feed_in(const struct sr_dev_inst *sdi,
	83	struct sr_datafeed_packet *packet);
	84
	85	static void data_feed_in_proc(const struct sr_dev_inst *sdi,
	86	struct sr_datafeed_packet *packet);
	87
	88	private:
	89	mutable boost::mutex _state_mutex;
	90	capture_state _capture_state;
	91
	92	mutable boost::mutex _signals_mutex;
	93	std::vector< boost::shared_ptr<view::Signal> > _signals;
	94
	95	mutable boost::mutex _data_mutex;
	96	boost::shared_ptr<LogicData> _logic_data;
	97	boost::shared_ptr<LogicDataSnapshot> _cur_logic_snapshot;
	98
	99	std::auto_ptr<boost::thread> _sampling_thread;
	100
	101	signals:
	102	void capture_state_changed(int state);
	103
	104	void signals_changed();
	105
	106	void data_updated();
	107
	108	private:
	109	// TODO: This should not be necessary. Multiple concurrent
	110	// sessions should should be supported and it should be
	111	// possible to associate a pointer with a sr_session.
	112	static SigSession *_session;
	113	};
	114
	115	} // namespace pv
	116
	117	#endif // PULSEVIEW_PV_SIGSESSION_H