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2953961c | 1 | /* |
b3f22de0 | 2 | * This file is part of the PulseView project. |
2953961c JH |
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 | ||
640d091b UH |
21 | #ifndef PULSEVIEW_PV_SIGSESSION_H |
22 | #define PULSEVIEW_PV_SIGSESSION_H | |
2953961c | 23 | |
f2edb557 | 24 | #include <boost/function.hpp> |
28a4c9c5 | 25 | #include <boost/shared_ptr.hpp> |
2e2946fe | 26 | #include <boost/thread.hpp> |
28a4c9c5 | 27 | |
28a4c9c5 | 28 | #include <string> |
2e2946fe | 29 | #include <utility> |
e3f65ace | 30 | #include <vector> |
28a4c9c5 | 31 | |
009e1503 | 32 | #include <QObject> |
f2edb557 | 33 | #include <QString> |
009e1503 | 34 | |
2953961c | 35 | #include <libsigrok/libsigrok.h> |
2953961c | 36 | |
82c7f640 JH |
37 | struct srd_decoder; |
38 | ||
51e77110 JH |
39 | namespace pv { |
40 | ||
dc0867ff JH |
41 | class DeviceManager; |
42 | ||
1b1ec774 JH |
43 | namespace data { |
44 | class Analog; | |
45 | class AnalogSnapshot; | |
46 | class Logic; | |
47 | class LogicSnapshot; | |
48 | } | |
8d634081 JH |
49 | |
50 | namespace view { | |
82c7f640 | 51 | class DecodeSignal; |
28a4c9c5 | 52 | class Signal; |
8d634081 | 53 | } |
2953961c | 54 | |
009e1503 | 55 | class SigSession : public QObject |
2953961c | 56 | { |
009e1503 JH |
57 | Q_OBJECT |
58 | ||
5b7cf66c JH |
59 | public: |
60 | enum capture_state { | |
61 | Stopped, | |
2b49eeb0 | 62 | AwaitingTrigger, |
5b7cf66c JH |
63 | Running |
64 | }; | |
65 | ||
2953961c | 66 | public: |
dc0867ff | 67 | SigSession(DeviceManager &device_manager); |
2953961c JH |
68 | |
69 | ~SigSession(); | |
70 | ||
dc0867ff JH |
71 | struct sr_dev_inst* get_device() const; |
72 | ||
d64d1596 JH |
73 | /** |
74 | * Sets device instance that will be used in the next capture session. | |
75 | */ | |
76 | void set_device(struct sr_dev_inst *sdi); | |
77 | ||
dc0867ff JH |
78 | void release_device(struct sr_dev_inst *sdi); |
79 | ||
f2edb557 JH |
80 | void load_file(const std::string &name, |
81 | boost::function<void (const QString)> error_handler); | |
2953961c | 82 | |
5b7cf66c JH |
83 | capture_state get_capture_state() const; |
84 | ||
d64d1596 | 85 | void start_capture(uint64_t record_length, |
f2edb557 | 86 | boost::function<void (const QString)> error_handler); |
274d4f13 | 87 | |
5b7cf66c JH |
88 | void stop_capture(); |
89 | ||
3868e5fa | 90 | std::vector< boost::shared_ptr<view::Signal> > |
e3f65ace JH |
91 | get_signals(); |
92 | ||
1b1ec774 | 93 | boost::shared_ptr<data::Logic> get_data(); |
adb4b10c | 94 | |
82c7f640 JH |
95 | void add_decoder(srd_decoder *const dec); |
96 | ||
6ac96c2e JH |
97 | private: |
98 | void set_capture_state(capture_state state); | |
99 | ||
b698553c | 100 | void update_signals(const sr_dev_inst *const sdi); |
b087ba7f | 101 | |
2b49eeb0 JH |
102 | bool is_trigger_enabled() const; |
103 | ||
deef291c JH |
104 | void read_sample_rate(const sr_dev_inst *const sdi); |
105 | ||
2953961c | 106 | private: |
728e5ef7 JH |
107 | /** |
108 | * Attempts to autodetect the format. Failing that | |
109 | * @param filename The filename of the input file. | |
110 | * @return A pointer to the 'struct sr_input_format' that should be | |
111 | * used, or NULL if no input format was selected or | |
112 | * auto-detected. | |
113 | */ | |
114 | static sr_input_format* determine_input_file_format( | |
115 | const std::string &filename); | |
116 | ||
117 | static sr_input* load_input_file_format( | |
118 | const std::string &filename, | |
119 | boost::function<void (const QString)> error_handler, | |
120 | sr_input_format *format = NULL); | |
121 | ||
e8c9f8a5 JH |
122 | void load_session_thread_proc( |
123 | boost::function<void (const QString)> error_handler); | |
124 | ||
125 | void load_input_thread_proc(const std::string name, sr_input *in, | |
f2edb557 | 126 | boost::function<void (const QString)> error_handler); |
8a67bd9e | 127 | |
2e2946fe | 128 | void sample_thread_proc(struct sr_dev_inst *sdi, |
f2edb557 JH |
129 | uint64_t record_length, |
130 | boost::function<void (const QString)> error_handler); | |
2e2946fe | 131 | |
eec446e1 JH |
132 | void feed_in_header(const sr_dev_inst *sdi); |
133 | ||
be73bdfa JH |
134 | void feed_in_meta(const sr_dev_inst *sdi, |
135 | const sr_datafeed_meta &meta); | |
aba1dd16 | 136 | |
9c112671 JH |
137 | void feed_in_logic(const sr_datafeed_logic &logic); |
138 | ||
aba1dd16 JH |
139 | void feed_in_analog(const sr_datafeed_analog &analog); |
140 | ||
04abfae9 | 141 | void data_feed_in(const struct sr_dev_inst *sdi, |
bc5c1a99 | 142 | const struct sr_datafeed_packet *packet); |
2953961c | 143 | |
04abfae9 | 144 | static void data_feed_in_proc(const struct sr_dev_inst *sdi, |
5045f16d | 145 | const struct sr_datafeed_packet *packet, void *cb_data); |
2953961c JH |
146 | |
147 | private: | |
dc0867ff | 148 | DeviceManager &_device_manager; |
d64d1596 JH |
149 | |
150 | /** | |
151 | * The device instance that will be used in the next capture session. | |
152 | */ | |
153 | struct sr_dev_inst *_sdi; | |
154 | ||
82c7f640 JH |
155 | std::vector< boost::shared_ptr<view::DecodeSignal> > _decode_traces; |
156 | ||
949f8050 | 157 | mutable boost::mutex _sampling_mutex; |
5b7cf66c JH |
158 | capture_state _capture_state; |
159 | ||
3868e5fa | 160 | mutable boost::mutex _signals_mutex; |
8d634081 | 161 | std::vector< boost::shared_ptr<view::Signal> > _signals; |
3868e5fa JH |
162 | |
163 | mutable boost::mutex _data_mutex; | |
1b1ec774 JH |
164 | boost::shared_ptr<data::Logic> _logic_data; |
165 | boost::shared_ptr<data::LogicSnapshot> _cur_logic_snapshot; | |
166 | boost::shared_ptr<data::Analog> _analog_data; | |
167 | boost::shared_ptr<data::AnalogSnapshot> _cur_analog_snapshot; | |
009e1503 | 168 | |
2e2946fe JH |
169 | std::auto_ptr<boost::thread> _sampling_thread; |
170 | ||
009e1503 | 171 | signals: |
6ac96c2e JH |
172 | void capture_state_changed(int state); |
173 | ||
69dd2b03 JH |
174 | void signals_changed(); |
175 | ||
04abfae9 | 176 | void data_updated(); |
2953961c JH |
177 | |
178 | private: | |
179 | // TODO: This should not be necessary. Multiple concurrent | |
180 | // sessions should should be supported and it should be | |
181 | // possible to associate a pointer with a sr_session. | |
04abfae9 | 182 | static SigSession *_session; |
2953961c JH |
183 | }; |
184 | ||
51e77110 JH |
185 | } // namespace pv |
186 | ||
640d091b | 187 | #endif // PULSEVIEW_PV_SIGSESSION_H |