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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 | #include <libsigrok/libsigrok.h> | |
34 | ||
35 | namespace pv { | |
36 | ||
37 | namespace data { | |
38 | class Analog; | |
39 | class AnalogSnapshot; | |
40 | class Logic; | |
41 | class LogicSnapshot; | |
42 | } | |
43 | ||
44 | namespace view { | |
45 | class Signal; | |
46 | } | |
47 | ||
48 | class SigSession : public QObject | |
49 | { | |
50 | Q_OBJECT | |
51 | ||
52 | public: | |
53 | enum capture_state { | |
54 | Stopped, | |
55 | Running | |
56 | }; | |
57 | ||
58 | public: | |
59 | SigSession(); | |
60 | ||
61 | ~SigSession(); | |
62 | ||
63 | void load_file(const std::string &name); | |
64 | ||
65 | capture_state get_capture_state() const; | |
66 | ||
67 | void start_capture(struct sr_dev_inst* sdi, | |
68 | uint64_t record_length); | |
69 | ||
70 | void stop_capture(); | |
71 | ||
72 | std::vector< boost::shared_ptr<view::Signal> > | |
73 | get_signals(); | |
74 | ||
75 | boost::shared_ptr<data::Logic> get_data(); | |
76 | ||
77 | private: | |
78 | void set_capture_state(capture_state state); | |
79 | ||
80 | private: | |
81 | void load_thread_proc(const std::string name); | |
82 | ||
83 | void sample_thread_proc(struct sr_dev_inst *sdi, | |
84 | uint64_t record_length); | |
85 | ||
86 | void feed_in_header(const sr_dev_inst *sdi); | |
87 | ||
88 | void feed_in_meta(const sr_dev_inst *sdi, | |
89 | const sr_datafeed_meta &meta); | |
90 | ||
91 | void feed_in_logic(const sr_datafeed_logic &logic); | |
92 | ||
93 | void feed_in_analog(const sr_datafeed_analog &analog); | |
94 | ||
95 | void data_feed_in(const struct sr_dev_inst *sdi, | |
96 | const struct sr_datafeed_packet *packet); | |
97 | ||
98 | static void data_feed_in_proc(const struct sr_dev_inst *sdi, | |
99 | const struct sr_datafeed_packet *packet); | |
100 | ||
101 | private: | |
102 | mutable boost::mutex _sampling_mutex; | |
103 | capture_state _capture_state; | |
104 | ||
105 | mutable boost::mutex _signals_mutex; | |
106 | std::vector< boost::shared_ptr<view::Signal> > _signals; | |
107 | ||
108 | mutable boost::mutex _data_mutex; | |
109 | boost::shared_ptr<data::Logic> _logic_data; | |
110 | boost::shared_ptr<data::LogicSnapshot> _cur_logic_snapshot; | |
111 | boost::shared_ptr<data::Analog> _analog_data; | |
112 | boost::shared_ptr<data::AnalogSnapshot> _cur_analog_snapshot; | |
113 | ||
114 | std::auto_ptr<boost::thread> _sampling_thread; | |
115 | ||
116 | signals: | |
117 | void capture_state_changed(int state); | |
118 | ||
119 | void signals_changed(); | |
120 | ||
121 | void data_updated(); | |
122 | ||
123 | private: | |
124 | // TODO: This should not be necessary. Multiple concurrent | |
125 | // sessions should should be supported and it should be | |
126 | // possible to associate a pointer with a sr_session. | |
127 | static SigSession *_session; | |
128 | }; | |
129 | ||
130 | } // namespace pv | |
131 | ||
132 | #endif // PULSEVIEW_PV_SIGSESSION_H |