]>
Commit | Line | Data |
---|---|---|
1 | /* | |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2012-14 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_SESSION_HPP | |
22 | #define PULSEVIEW_PV_SESSION_HPP | |
23 | ||
24 | #include <map> | |
25 | #include <memory> | |
26 | #include <mutex> | |
27 | #include <set> | |
28 | #include <string> | |
29 | #include <thread> | |
30 | #include <unordered_set> | |
31 | #include <vector> | |
32 | ||
33 | #ifdef _WIN32 | |
34 | // Windows: Avoid boost/thread namespace pollution (which includes windows.h). | |
35 | #define NOGDI | |
36 | #define NORESOURCE | |
37 | #endif | |
38 | #include <boost/thread/shared_mutex.hpp> | |
39 | ||
40 | #include <QObject> | |
41 | #include <QSettings> | |
42 | #include <QString> | |
43 | ||
44 | #include "util.hpp" | |
45 | #include "views/viewbase.hpp" | |
46 | ||
47 | struct srd_decoder; | |
48 | struct srd_channel; | |
49 | ||
50 | namespace sigrok { | |
51 | class Analog; | |
52 | class Channel; | |
53 | class Device; | |
54 | class InputFormat; | |
55 | class Logic; | |
56 | class Meta; | |
57 | class OutputFormat; | |
58 | class Packet; | |
59 | class Session; | |
60 | } | |
61 | ||
62 | namespace pv { | |
63 | ||
64 | class DeviceManager; | |
65 | ||
66 | namespace data { | |
67 | class Analog; | |
68 | class AnalogSegment; | |
69 | class Logic; | |
70 | class LogicSegment; | |
71 | class SignalBase; | |
72 | class SignalData; | |
73 | } | |
74 | ||
75 | namespace devices { | |
76 | class Device; | |
77 | } | |
78 | ||
79 | namespace toolbars { | |
80 | class MainBar; | |
81 | } | |
82 | ||
83 | namespace views { | |
84 | class ViewBase; | |
85 | } | |
86 | ||
87 | class Session : public QObject | |
88 | { | |
89 | Q_OBJECT | |
90 | ||
91 | public: | |
92 | enum capture_state { | |
93 | Stopped, | |
94 | AwaitingTrigger, | |
95 | Running | |
96 | }; | |
97 | ||
98 | public: | |
99 | Session(DeviceManager &device_manager, QString name); | |
100 | ||
101 | ~Session(); | |
102 | ||
103 | DeviceManager& device_manager(); | |
104 | ||
105 | const DeviceManager& device_manager() const; | |
106 | ||
107 | std::shared_ptr<sigrok::Session> session() const; | |
108 | ||
109 | std::shared_ptr<devices::Device> device() const; | |
110 | ||
111 | QString name() const; | |
112 | ||
113 | void set_name(QString name); | |
114 | ||
115 | const std::list< std::shared_ptr<views::ViewBase> > views() const; | |
116 | ||
117 | std::shared_ptr<views::ViewBase> main_view() const; | |
118 | ||
119 | std::shared_ptr<pv::toolbars::MainBar> main_bar() const; | |
120 | ||
121 | void set_main_bar(std::shared_ptr<pv::toolbars::MainBar> main_bar); | |
122 | ||
123 | void save_settings(QSettings &settings) const; | |
124 | ||
125 | void restore_settings(QSettings &settings); | |
126 | ||
127 | /** | |
128 | * Attempts to set device instance, may fall back to demo if needed | |
129 | */ | |
130 | void select_device(std::shared_ptr<devices::Device> device); | |
131 | ||
132 | /** | |
133 | * Sets device instance that will be used in the next capture session. | |
134 | */ | |
135 | void set_device(std::shared_ptr<devices::Device> device); | |
136 | ||
137 | void set_default_device(); | |
138 | ||
139 | void load_init_file(const std::string &file_name, | |
140 | const std::string &format); | |
141 | ||
142 | void load_file(QString file_name, | |
143 | std::shared_ptr<sigrok::InputFormat> format = nullptr, | |
144 | const std::map<std::string, Glib::VariantBase> &options = | |
145 | std::map<std::string, Glib::VariantBase>()); | |
146 | ||
147 | capture_state get_capture_state() const; | |
148 | ||
149 | void start_capture(std::function<void (const QString)> error_handler); | |
150 | ||
151 | void stop_capture(); | |
152 | ||
153 | double get_samplerate() const; | |
154 | ||
155 | void register_view(std::shared_ptr<views::ViewBase> view); | |
156 | ||
157 | void deregister_view(std::shared_ptr<views::ViewBase> view); | |
158 | ||
159 | bool has_view(std::shared_ptr<views::ViewBase> view); | |
160 | ||
161 | const std::unordered_set< std::shared_ptr<data::SignalBase> > | |
162 | signalbases() const; | |
163 | ||
164 | #ifdef ENABLE_DECODE | |
165 | bool add_decoder(srd_decoder *const dec); | |
166 | ||
167 | void remove_decode_signal(std::shared_ptr<data::SignalBase> signalbase); | |
168 | #endif | |
169 | ||
170 | private: | |
171 | void set_capture_state(capture_state state); | |
172 | ||
173 | void update_signals(); | |
174 | ||
175 | std::shared_ptr<data::SignalBase> signalbase_from_channel( | |
176 | std::shared_ptr<sigrok::Channel> channel) const; | |
177 | ||
178 | private: | |
179 | void sample_thread_proc(std::function<void (const QString)> error_handler); | |
180 | ||
181 | void feed_in_header(); | |
182 | ||
183 | void feed_in_meta(std::shared_ptr<sigrok::Meta> meta); | |
184 | ||
185 | void feed_in_trigger(); | |
186 | ||
187 | void feed_in_frame_begin(); | |
188 | ||
189 | void feed_in_logic(std::shared_ptr<sigrok::Logic> logic); | |
190 | ||
191 | void feed_in_analog(std::shared_ptr<sigrok::Analog> analog); | |
192 | ||
193 | void data_feed_in(std::shared_ptr<sigrok::Device> device, | |
194 | std::shared_ptr<sigrok::Packet> packet); | |
195 | ||
196 | private: | |
197 | DeviceManager &device_manager_; | |
198 | std::shared_ptr<devices::Device> device_; | |
199 | QString default_name_, name_; | |
200 | ||
201 | std::list< std::shared_ptr<views::ViewBase> > views_; | |
202 | std::shared_ptr<pv::views::ViewBase> main_view_; | |
203 | ||
204 | std::shared_ptr<pv::toolbars::MainBar> main_bar_; | |
205 | ||
206 | mutable std::mutex sampling_mutex_; //!< Protects access to capture_state_. | |
207 | capture_state capture_state_; | |
208 | ||
209 | std::unordered_set< std::shared_ptr<data::SignalBase> > signalbases_; | |
210 | std::unordered_set< std::shared_ptr<data::SignalData> > all_signal_data_; | |
211 | ||
212 | mutable std::recursive_mutex data_mutex_; | |
213 | std::shared_ptr<data::Logic> logic_data_; | |
214 | uint64_t cur_samplerate_; | |
215 | std::shared_ptr<data::LogicSegment> cur_logic_segment_; | |
216 | std::map< std::shared_ptr<sigrok::Channel>, std::shared_ptr<data::AnalogSegment> > | |
217 | cur_analog_segments_; | |
218 | ||
219 | std::thread sampling_thread_; | |
220 | ||
221 | bool out_of_memory_; | |
222 | ||
223 | Q_SIGNALS: | |
224 | void capture_state_changed(int state); | |
225 | void device_changed(); | |
226 | ||
227 | void signals_changed(); | |
228 | ||
229 | void name_changed(); | |
230 | ||
231 | void trigger_event(util::Timestamp location); | |
232 | ||
233 | void frame_began(); | |
234 | ||
235 | void data_received(); | |
236 | ||
237 | void frame_ended(); | |
238 | ||
239 | void add_view(const QString &title, views::ViewType type, | |
240 | Session *session); | |
241 | }; | |
242 | ||
243 | } // namespace pv | |
244 | ||
245 | #endif // PULSEVIEW_PV_SESSION_HPP |