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2953961c | 1 | /* |
b3f22de0 | 2 | * This file is part of the PulseView project. |
2953961c | 3 | * |
1bc6525b | 4 | * Copyright (C) 2012-14 Joel Holdsworth <joel@airwebreathe.org.uk> |
2953961c JH |
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 | ||
8e99ef96 JH |
21 | #ifndef PULSEVIEW_PV_SESSION_HPP |
22 | #define PULSEVIEW_PV_SESSION_HPP | |
2953961c | 23 | |
708c5523 | 24 | #include <map> |
f9abf97e | 25 | #include <memory> |
3b68d03d | 26 | #include <mutex> |
bfc9f61e | 27 | #include <set> |
28a4c9c5 | 28 | #include <string> |
3b68d03d | 29 | #include <thread> |
78b0af3e | 30 | #include <unordered_set> |
e3f65ace | 31 | #include <vector> |
28a4c9c5 | 32 | |
627ffe3f | 33 | #ifdef _WIN32 |
35750e4d | 34 | // Windows: Avoid boost/thread namespace pollution (which includes windows.h). |
627ffe3f VI |
35 | #define NOGDI |
36 | #define NORESOURCE | |
37 | #endif | |
e71eb81c | 38 | #include <boost/thread/shared_mutex.hpp> |
aca64cac | 39 | |
009e1503 | 40 | #include <QObject> |
f2edb557 | 41 | #include <QString> |
009e1503 | 42 | |
48257a69 SA |
43 | #include "util.hpp" |
44 | ||
82c7f640 | 45 | struct srd_decoder; |
8bd26d8b | 46 | struct srd_channel; |
82c7f640 | 47 | |
e8d00928 | 48 | namespace sigrok { |
7d80a651 JH |
49 | class Analog; |
50 | class Channel; | |
51 | class Device; | |
52 | class Logic; | |
53 | class Meta; | |
54 | class Packet; | |
55 | class Session; | |
e8d00928 ML |
56 | } |
57 | ||
51e77110 JH |
58 | namespace pv { |
59 | ||
dc0867ff JH |
60 | class DeviceManager; |
61 | ||
1b1ec774 JH |
62 | namespace data { |
63 | class Analog; | |
f3d66e52 | 64 | class AnalogSegment; |
1b1ec774 | 65 | class Logic; |
f3d66e52 | 66 | class LogicSegment; |
02412f0b | 67 | class SignalData; |
1b1ec774 | 68 | } |
8d634081 | 69 | |
da30ecb7 JH |
70 | namespace devices { |
71 | class Device; | |
72 | } | |
73 | ||
8d634081 | 74 | namespace view { |
b9329558 | 75 | class DecodeTrace; |
3045c869 | 76 | class LogicSignal; |
28a4c9c5 | 77 | class Signal; |
8d634081 | 78 | } |
2953961c | 79 | |
2b81ae46 | 80 | class Session : public QObject |
2953961c | 81 | { |
009e1503 JH |
82 | Q_OBJECT |
83 | ||
5b7cf66c JH |
84 | public: |
85 | enum capture_state { | |
86 | Stopped, | |
2b49eeb0 | 87 | AwaitingTrigger, |
5b7cf66c JH |
88 | Running |
89 | }; | |
90 | ||
2953961c | 91 | public: |
2b81ae46 | 92 | Session(DeviceManager &device_manager); |
2953961c | 93 | |
2b81ae46 | 94 | ~Session(); |
2953961c | 95 | |
4cb0b033 JH |
96 | DeviceManager& device_manager(); |
97 | ||
98 | const DeviceManager& device_manager() const; | |
99 | ||
da30ecb7 | 100 | std::shared_ptr<sigrok::Session> session() const; |
1f4caa77 | 101 | |
da30ecb7 | 102 | std::shared_ptr<devices::Device> device() const; |
dc0867ff | 103 | |
d64d1596 JH |
104 | /** |
105 | * Sets device instance that will be used in the next capture session. | |
106 | */ | |
da30ecb7 | 107 | void set_device(std::shared_ptr<devices::Device> device); |
dc0867ff | 108 | |
6fd0b639 JH |
109 | void set_default_device(); |
110 | ||
5b7cf66c JH |
111 | capture_state get_capture_state() const; |
112 | ||
d2344534 | 113 | void start_capture(std::function<void (const QString)> error_handler); |
274d4f13 | 114 | |
5b7cf66c JH |
115 | void stop_capture(); |
116 | ||
2220e942 SA |
117 | double get_samplerate() const; |
118 | ||
bf914698 | 119 | const std::unordered_set< std::shared_ptr<view::Signal> > |
78b0af3e | 120 | signals() const; |
e3f65ace | 121 | |
269528f5 | 122 | #ifdef ENABLE_DECODE |
4e5a4405 | 123 | bool add_decoder(srd_decoder *const dec); |
82c7f640 | 124 | |
f9abf97e | 125 | std::vector< std::shared_ptr<view::DecodeTrace> > |
38eeddea JH |
126 | get_decode_signals() const; |
127 | ||
b9329558 | 128 | void remove_decode_signal(view::DecodeTrace *signal); |
269528f5 | 129 | #endif |
c51482b3 | 130 | |
6ac96c2e JH |
131 | private: |
132 | void set_capture_state(capture_state state); | |
133 | ||
ffe00119 | 134 | void update_signals(); |
b087ba7f | 135 | |
6ac6242b | 136 | std::shared_ptr<view::Signal> signal_from_channel( |
e8d00928 | 137 | std::shared_ptr<sigrok::Channel> channel) const; |
3ddcc083 | 138 | |
2953961c | 139 | private: |
da30ecb7 | 140 | void sample_thread_proc(std::shared_ptr<devices::Device> device, |
d2344534 | 141 | std::function<void (const QString)> error_handler); |
2e2946fe | 142 | |
da30ecb7 | 143 | void feed_in_header(); |
eec446e1 | 144 | |
da30ecb7 | 145 | void feed_in_meta(std::shared_ptr<sigrok::Meta> meta); |
aba1dd16 | 146 | |
48257a69 SA |
147 | void feed_in_trigger(); |
148 | ||
82f50b10 JH |
149 | void feed_in_frame_begin(); |
150 | ||
e8d00928 | 151 | void feed_in_logic(std::shared_ptr<sigrok::Logic> logic); |
aba1dd16 | 152 | |
e8d00928 | 153 | void feed_in_analog(std::shared_ptr<sigrok::Analog> analog); |
2953961c | 154 | |
e8d00928 ML |
155 | void data_feed_in(std::shared_ptr<sigrok::Device> device, |
156 | std::shared_ptr<sigrok::Packet> packet); | |
2953961c JH |
157 | |
158 | private: | |
8dbbc7f0 | 159 | DeviceManager &device_manager_; |
da30ecb7 | 160 | std::shared_ptr<devices::Device> device_; |
d64d1596 | 161 | |
8dbbc7f0 | 162 | std::vector< std::shared_ptr<view::DecodeTrace> > decode_traces_; |
82c7f640 | 163 | |
8f6b98ff | 164 | mutable std::mutex sampling_mutex_; //!< Protects access to capture_state_. |
8dbbc7f0 | 165 | capture_state capture_state_; |
5b7cf66c | 166 | |
8dbbc7f0 | 167 | mutable boost::shared_mutex signals_mutex_; |
78b0af3e | 168 | std::unordered_set< std::shared_ptr<view::Signal> > signals_; |
cc9a7898 | 169 | std::set< std::shared_ptr<data::SignalData> > all_signal_data_; |
3868e5fa | 170 | |
8524a597 | 171 | mutable std::recursive_mutex data_mutex_; |
8dbbc7f0 | 172 | std::shared_ptr<data::Logic> logic_data_; |
ff008de6 | 173 | uint64_t cur_samplerate_; |
f3d66e52 JH |
174 | std::shared_ptr<data::LogicSegment> cur_logic_segment_; |
175 | std::map< std::shared_ptr<sigrok::Channel>, std::shared_ptr<data::AnalogSegment> > | |
176 | cur_analog_segments_; | |
009e1503 | 177 | |
8dbbc7f0 | 178 | std::thread sampling_thread_; |
2e2946fe | 179 | |
e7216ae0 SA |
180 | bool out_of_memory_; |
181 | ||
e9213170 | 182 | Q_SIGNALS: |
6ac96c2e | 183 | void capture_state_changed(int state); |
20f81a58 | 184 | void device_selected(); |
6ac96c2e | 185 | |
69dd2b03 JH |
186 | void signals_changed(); |
187 | ||
48257a69 SA |
188 | void trigger_event(util::Timestamp location); |
189 | ||
82f50b10 JH |
190 | void frame_began(); |
191 | ||
1f374035 JH |
192 | void data_received(); |
193 | ||
194 | void frame_ended(); | |
2953961c JH |
195 | }; |
196 | ||
51e77110 JH |
197 | } // namespace pv |
198 | ||
8e99ef96 | 199 | #endif // PULSEVIEW_PV_SESSION_HPP |