X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fsigsession.h;h=1221750b0bc039c0b33e95b9026d6b1ac4427a2f;hp=29929a9dde63d1b1bbc4520885d28cc3e719370e;hb=8bd26d8b9c831b509ee3241ea4dac6f50c023622;hpb=8d634081d8b0cc741dd34d8c646474ff6754aea8 diff --git a/pv/sigsession.h b/pv/sigsession.h index 29929a9d..1221750b 100644 --- a/pv/sigsession.h +++ b/pv/sigsession.h @@ -1,7 +1,7 @@ /* * This file is part of the PulseView project. * - * Copyright (C) 2012 Joel Holdsworth + * Copyright (C) 2012-14 Joel Holdsworth * * 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 @@ -21,23 +21,42 @@ #ifndef PULSEVIEW_PV_SIGSESSION_H #define PULSEVIEW_PV_SIGSESSION_H +#include #include +#include +#include +#include #include #include #include +#include -extern "C" { #include -} + +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; } @@ -46,34 +65,132 @@ class SigSession : public QObject Q_OBJECT public: - SigSession(); + enum capture_state { + Stopped, + AwaitingTrigger, + Running + }; + +public: + SigSession(DeviceManager &device_manager); ~SigSession(); - void load_file(const std::string &name); + boost::shared_ptr get_device() const; + + /** + * Sets device instance that will be used in the next capture session. + */ + void set_device(boost::shared_ptr 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(boost::function error_handler); + + void stop_capture(); + + std::set< boost::shared_ptr > get_data() const; + + std::vector< boost::shared_ptr > + get_signals() const; + +#ifdef ENABLE_DECODE + bool add_decoder(srd_decoder *const dec); + + std::vector< boost::shared_ptr > + get_decode_signals() const; + + void remove_decode_signal(view::DecodeTrace *signal); +#endif - void start_capture(struct sr_dev_inst* sdi, uint64_t record_length, - uint64_t sample_rate); +private: + void set_capture_state(capture_state state); + + void update_signals(boost::shared_ptr dev_inst); - std::vector< boost::shared_ptr >& - get_signals(); + boost::shared_ptr signal_from_probe( + const sr_channel *probe) const; - boost::shared_ptr get_data(); + void read_sample_rate(const sr_dev_inst *const sdi); private: + /** + * 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 error_handler, + sr_input_format *format = NULL); + + void sample_thread_proc(boost::shared_ptr dev_inst, + boost::function 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: + DeviceManager &_device_manager; + + /** + * The device instance that will be used in the next capture session. + */ + boost::shared_ptr _dev_inst; + + std::vector< boost::shared_ptr > _decode_traces; + + mutable boost::mutex _sampling_mutex; + capture_state _capture_state; + + mutable boost::mutex _signals_mutex; std::vector< boost::shared_ptr > _signals; - boost::shared_ptr _logic_data; - boost::shared_ptr _cur_logic_snapshot; + + mutable boost::mutex _data_mutex; + boost::shared_ptr _logic_data; + boost::shared_ptr _cur_logic_snapshot; + std::map< const sr_channel*, boost::shared_ptr > + _cur_analog_snapshots; + + boost::thread _sampling_thread; signals: - void data_updated(); + void capture_state_changed(int state); + + void signals_changed(); + + void frame_began(); + + void data_received(); + + void frame_ended(); private: // TODO: This should not be necessary. Multiple concurrent