/*
* This file is part of the PulseView project.
*
- * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
+ * Copyright (C) 2012-14 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
#ifndef PULSEVIEW_PV_SIGSESSION_H
#define PULSEVIEW_PV_SIGSESSION_H
-#include <boost/shared_ptr.hpp>
-#include <boost/thread.hpp>
-
+#include <map>
+#include <memory>
+#include <mutex>
+#include <set>
#include <string>
-#include <utility>
+#include <thread>
#include <vector>
#include <QObject>
+#include <QString>
-extern "C" {
#include <libsigrok/libsigrok.h>
-}
+
+struct srd_decoder;
+struct srd_channel;
namespace pv {
-class LogicData;
-class LogicDataSnapshot;
+class DeviceManager;
+
+namespace data {
+class Analog;
+class AnalogSnapshot;
+class Logic;
+class LogicSnapshot;
+class SignalData;
+}
+
+namespace device {
+class DevInst;
+}
namespace view {
+class DecodeTrace;
+class LogicSignal;
class Signal;
}
public:
enum capture_state {
Stopped,
+ AwaitingTrigger,
Running
};
public:
- SigSession();
+ SigSession(DeviceManager &device_manager);
~SigSession();
- void load_file(const std::string &name);
+ std::shared_ptr<device::DevInst> get_device() const;
+
+ /**
+ * Sets device instance that will be used in the next capture session.
+ */
+ void set_device(std::shared_ptr<device::DevInst> dev_inst)
+ throw(QString);
+
+ void set_file(const std::string &name)
+ throw(QString);
+
+ void set_default_device();
+
+ void release_device(device::DevInst *dev_inst);
capture_state get_capture_state() const;
- void start_capture(struct sr_dev_inst* sdi, uint64_t record_length,
- uint64_t sample_rate);
+ void start_capture(std::function<void (const QString)> error_handler);
void stop_capture();
- std::vector< boost::shared_ptr<view::Signal> >
- get_signals();
+ std::set< std::shared_ptr<data::SignalData> > get_data() const;
+
+ std::vector< std::shared_ptr<view::Signal> >
+ get_signals() const;
- boost::shared_ptr<LogicData> get_data();
+#ifdef ENABLE_DECODE
+ bool add_decoder(srd_decoder *const dec);
+
+ std::vector< std::shared_ptr<view::DecodeTrace> >
+ get_decode_signals() const;
+
+ void remove_decode_signal(view::DecodeTrace *signal);
+#endif
private:
void set_capture_state(capture_state state);
+ void update_signals(std::shared_ptr<device::DevInst> dev_inst);
+
+ std::shared_ptr<view::Signal> signal_from_probe(
+ const sr_channel *probe) const;
+
+ void read_sample_rate(const sr_dev_inst *const sdi);
+
private:
- void load_thread_proc(const std::string name);
+ /**
+ * Attempts to autodetect the format. Failing that
+ * @param filename The filename of the input file.
+ * @return A pointer to the 'struct sr_input_format' that should be
+ * used, or NULL if no input format was selected or
+ * auto-detected.
+ */
+ static sr_input_format* determine_input_file_format(
+ const std::string &filename);
+
+ static sr_input* load_input_file_format(
+ const std::string &filename,
+ std::function<void (const QString)> error_handler,
+ sr_input_format *format = NULL);
+
+ void sample_thread_proc(std::shared_ptr<device::DevInst> dev_inst,
+ std::function<void (const QString)> error_handler);
+
+ void feed_in_header(const sr_dev_inst *sdi);
- void sample_thread_proc(struct sr_dev_inst *sdi,
- uint64_t record_length, uint64_t sample_rate);
+ void feed_in_meta(const sr_dev_inst *sdi,
+ const sr_datafeed_meta &meta);
+
+ void feed_in_frame_begin();
+
+ void feed_in_logic(const sr_datafeed_logic &logic);
+
+ void feed_in_analog(const sr_datafeed_analog &analog);
void data_feed_in(const struct sr_dev_inst *sdi,
const struct sr_datafeed_packet *packet);
static void data_feed_in_proc(const struct sr_dev_inst *sdi,
- const struct sr_datafeed_packet *packet);
+ const struct sr_datafeed_packet *packet, void *cb_data);
private:
- mutable boost::mutex _state_mutex;
+ DeviceManager &_device_manager;
+
+ /**
+ * The device instance that will be used in the next capture session.
+ */
+ std::shared_ptr<device::DevInst> _dev_inst;
+
+ std::vector< std::shared_ptr<view::DecodeTrace> > _decode_traces;
+
+ mutable std::mutex _sampling_mutex;
capture_state _capture_state;
- mutable boost::mutex _signals_mutex;
- std::vector< boost::shared_ptr<view::Signal> > _signals;
+ mutable std::mutex _signals_mutex;
+ std::vector< std::shared_ptr<view::Signal> > _signals;
- mutable boost::mutex _data_mutex;
- boost::shared_ptr<LogicData> _logic_data;
- boost::shared_ptr<LogicDataSnapshot> _cur_logic_snapshot;
+ mutable std::mutex _data_mutex;
+ std::shared_ptr<data::Logic> _logic_data;
+ std::shared_ptr<data::LogicSnapshot> _cur_logic_snapshot;
+ std::map< const sr_channel*, std::shared_ptr<data::AnalogSnapshot> >
+ _cur_analog_snapshots;
- std::auto_ptr<boost::thread> _sampling_thread;
+ std::thread _sampling_thread;
signals:
void capture_state_changed(int state);
void signals_changed();
- void data_updated();
+ void frame_began();
+
+ void data_received();
+
+ void frame_ended();
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;
+
+public:
+ // TODO: Even more of a hack. The libsigrok API now allows for
+ // multiple sessions. However sr_session_* calls are scattered
+ // around the PV architecture and a single SigSession object is
+ // being used across multiple sequential sessions, which are
+ // created and destroyed in other classes in pv::device. This
+ // is a mess. For now just keep a single sr_session pointer here
+ // which we can use for all those scattered calls.
+ static struct sr_session *_sr_session;
};
} // namespace pv