]> sigrok.org Git - pulseview.git/blobdiff - pv/sigsession.h
Rename 'probe' to 'channel' (libsigrokdecode change).
[pulseview.git] / pv / sigsession.h
index b4f07db4394397579e8d429bf9d9ca3d763e88b5..1221750b0bc039c0b33e95b9026d6b1ac4427a2f 100644 (file)
@@ -1,7 +1,7 @@
 /*
  * 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/function.hpp>
 #include <boost/shared_ptr.hpp>
 #include <boost/thread.hpp>
 
+#include <map>
+#include <set>
 #include <string>
-#include <utility>
 #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;
 }
 
@@ -50,60 +67,130 @@ class SigSession : public QObject
 public:
        enum capture_state {
                Stopped,
+               AwaitingTrigger,
                Running
        };
 
 public:
-       SigSession();
+       SigSession(DeviceManager &device_manager);
 
        ~SigSession();
 
-       void load_file(const std::string &name);
+       boost::shared_ptr<device::DevInst> get_device() const;
+
+       /**
+        * Sets device instance that will be used in the next capture session.
+        */
+       void set_device(boost::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(boost::function<void (const QString)> error_handler);
 
        void stop_capture();
 
+       std::set< boost::shared_ptr<data::SignalData> > get_data() const;
+
        std::vector< boost::shared_ptr<view::Signal> >
-               get_signals();
+               get_signals() const;
 
-       boost::shared_ptr<LogicData> get_data();
+#ifdef ENABLE_DECODE
+       bool add_decoder(srd_decoder *const dec);
+
+       std::vector< boost::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(boost::shared_ptr<device::DevInst> dev_inst);
+
+       boost::shared_ptr<view::Signal> signal_from_probe(
+               const sr_channel *probe) const;
+
+       void read_sample_rate(const sr_dev_inst *const sdi);
+
 private:
-       void sample_thread_proc(struct sr_dev_inst *sdi,
-               uint64_t record_length, uint64_t sample_rate);
+       /**
+        * 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,
+               boost::function<void (const QString)> error_handler,
+               sr_input_format *format = NULL);
+
+       void sample_thread_proc(boost::shared_ptr<device::DevInst> dev_inst,
+               boost::function<void (const QString)> error_handler);
+
+       void feed_in_header(const sr_dev_inst *sdi);
+
+       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,
-               struct sr_datafeed_packet *packet);
+               const struct sr_datafeed_packet *packet);
 
        static void data_feed_in_proc(const struct sr_dev_inst *sdi,
-               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.
+        */
+       boost::shared_ptr<device::DevInst> _dev_inst;
+
+       std::vector< boost::shared_ptr<view::DecodeTrace> > _decode_traces;
+
+       mutable boost::mutex _sampling_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;
+       boost::shared_ptr<data::Logic> _logic_data;
+       boost::shared_ptr<data::LogicSnapshot> _cur_logic_snapshot;
+       std::map< const sr_channel*, boost::shared_ptr<data::AnalogSnapshot> >
+               _cur_analog_snapshots;
 
-       std::auto_ptr<boost::thread> _sampling_thread;
+       boost::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