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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 | ||
640d091b UH |
21 | #ifndef PULSEVIEW_PV_SIGSESSION_H |
22 | #define PULSEVIEW_PV_SIGSESSION_H | |
2953961c | 23 | |
f2edb557 | 24 | #include <boost/function.hpp> |
28a4c9c5 | 25 | |
708c5523 | 26 | #include <map> |
f9abf97e | 27 | #include <memory> |
3b68d03d | 28 | #include <mutex> |
bfc9f61e | 29 | #include <set> |
28a4c9c5 | 30 | #include <string> |
3b68d03d | 31 | #include <thread> |
e3f65ace | 32 | #include <vector> |
28a4c9c5 | 33 | |
009e1503 | 34 | #include <QObject> |
f2edb557 | 35 | #include <QString> |
009e1503 | 36 | |
2953961c | 37 | #include <libsigrok/libsigrok.h> |
2953961c | 38 | |
82c7f640 | 39 | struct srd_decoder; |
8bd26d8b | 40 | struct srd_channel; |
82c7f640 | 41 | |
51e77110 JH |
42 | namespace pv { |
43 | ||
dc0867ff JH |
44 | class DeviceManager; |
45 | ||
1b1ec774 JH |
46 | namespace data { |
47 | class Analog; | |
48 | class AnalogSnapshot; | |
49 | class Logic; | |
50 | class LogicSnapshot; | |
02412f0b | 51 | class SignalData; |
1b1ec774 | 52 | } |
8d634081 | 53 | |
94574501 JH |
54 | namespace device { |
55 | class DevInst; | |
56 | } | |
57 | ||
8d634081 | 58 | namespace view { |
b9329558 | 59 | class DecodeTrace; |
3045c869 | 60 | class LogicSignal; |
28a4c9c5 | 61 | class Signal; |
8d634081 | 62 | } |
2953961c | 63 | |
009e1503 | 64 | class SigSession : public QObject |
2953961c | 65 | { |
009e1503 JH |
66 | Q_OBJECT |
67 | ||
5b7cf66c JH |
68 | public: |
69 | enum capture_state { | |
70 | Stopped, | |
2b49eeb0 | 71 | AwaitingTrigger, |
5b7cf66c JH |
72 | Running |
73 | }; | |
74 | ||
2953961c | 75 | public: |
dc0867ff | 76 | SigSession(DeviceManager &device_manager); |
2953961c JH |
77 | |
78 | ~SigSession(); | |
79 | ||
f9abf97e | 80 | std::shared_ptr<device::DevInst> get_device() const; |
dc0867ff | 81 | |
d64d1596 JH |
82 | /** |
83 | * Sets device instance that will be used in the next capture session. | |
84 | */ | |
f9abf97e | 85 | void set_device(std::shared_ptr<device::DevInst> dev_inst) |
ae2d1bc5 | 86 | throw(QString); |
d64d1596 | 87 | |
ae2d1bc5 JH |
88 | void set_file(const std::string &name) |
89 | throw(QString); | |
dc0867ff | 90 | |
6fd0b639 JH |
91 | void set_default_device(); |
92 | ||
ae2d1bc5 | 93 | void release_device(device::DevInst *dev_inst); |
2953961c | 94 | |
5b7cf66c JH |
95 | capture_state get_capture_state() const; |
96 | ||
d99dc9f2 | 97 | void start_capture(boost::function<void (const QString)> error_handler); |
274d4f13 | 98 | |
5b7cf66c JH |
99 | void stop_capture(); |
100 | ||
f9abf97e | 101 | std::set< std::shared_ptr<data::SignalData> > get_data() const; |
02412f0b | 102 | |
f9abf97e | 103 | std::vector< std::shared_ptr<view::Signal> > |
38eeddea | 104 | get_signals() const; |
e3f65ace | 105 | |
269528f5 | 106 | #ifdef ENABLE_DECODE |
4e5a4405 | 107 | bool add_decoder(srd_decoder *const dec); |
82c7f640 | 108 | |
f9abf97e | 109 | std::vector< std::shared_ptr<view::DecodeTrace> > |
38eeddea JH |
110 | get_decode_signals() const; |
111 | ||
b9329558 | 112 | void remove_decode_signal(view::DecodeTrace *signal); |
269528f5 | 113 | #endif |
c51482b3 | 114 | |
6ac96c2e JH |
115 | private: |
116 | void set_capture_state(capture_state state); | |
117 | ||
f9abf97e | 118 | void update_signals(std::shared_ptr<device::DevInst> dev_inst); |
b087ba7f | 119 | |
f9abf97e | 120 | std::shared_ptr<view::Signal> signal_from_probe( |
4871ed92 | 121 | const sr_channel *probe) const; |
3ddcc083 | 122 | |
deef291c JH |
123 | void read_sample_rate(const sr_dev_inst *const sdi); |
124 | ||
2953961c | 125 | private: |
728e5ef7 JH |
126 | /** |
127 | * Attempts to autodetect the format. Failing that | |
128 | * @param filename The filename of the input file. | |
129 | * @return A pointer to the 'struct sr_input_format' that should be | |
130 | * used, or NULL if no input format was selected or | |
131 | * auto-detected. | |
132 | */ | |
133 | static sr_input_format* determine_input_file_format( | |
134 | const std::string &filename); | |
135 | ||
136 | static sr_input* load_input_file_format( | |
137 | const std::string &filename, | |
138 | boost::function<void (const QString)> error_handler, | |
139 | sr_input_format *format = NULL); | |
140 | ||
f9abf97e | 141 | void sample_thread_proc(std::shared_ptr<device::DevInst> dev_inst, |
f2edb557 | 142 | boost::function<void (const QString)> error_handler); |
2e2946fe | 143 | |
eec446e1 JH |
144 | void feed_in_header(const sr_dev_inst *sdi); |
145 | ||
be73bdfa JH |
146 | void feed_in_meta(const sr_dev_inst *sdi, |
147 | const sr_datafeed_meta &meta); | |
aba1dd16 | 148 | |
82f50b10 JH |
149 | void feed_in_frame_begin(); |
150 | ||
9c112671 JH |
151 | void feed_in_logic(const sr_datafeed_logic &logic); |
152 | ||
aba1dd16 JH |
153 | void feed_in_analog(const sr_datafeed_analog &analog); |
154 | ||
04abfae9 | 155 | void data_feed_in(const struct sr_dev_inst *sdi, |
bc5c1a99 | 156 | const struct sr_datafeed_packet *packet); |
2953961c | 157 | |
04abfae9 | 158 | static void data_feed_in_proc(const struct sr_dev_inst *sdi, |
5045f16d | 159 | const struct sr_datafeed_packet *packet, void *cb_data); |
2953961c JH |
160 | |
161 | private: | |
dc0867ff | 162 | DeviceManager &_device_manager; |
d64d1596 JH |
163 | |
164 | /** | |
165 | * The device instance that will be used in the next capture session. | |
166 | */ | |
f9abf97e | 167 | std::shared_ptr<device::DevInst> _dev_inst; |
d64d1596 | 168 | |
f9abf97e | 169 | std::vector< std::shared_ptr<view::DecodeTrace> > _decode_traces; |
82c7f640 | 170 | |
3b68d03d | 171 | mutable std::mutex _sampling_mutex; |
5b7cf66c JH |
172 | capture_state _capture_state; |
173 | ||
3b68d03d | 174 | mutable std::mutex _signals_mutex; |
f9abf97e | 175 | std::vector< std::shared_ptr<view::Signal> > _signals; |
3868e5fa | 176 | |
3b68d03d | 177 | mutable std::mutex _data_mutex; |
f9abf97e JH |
178 | std::shared_ptr<data::Logic> _logic_data; |
179 | std::shared_ptr<data::LogicSnapshot> _cur_logic_snapshot; | |
180 | std::map< const sr_channel*, std::shared_ptr<data::AnalogSnapshot> > | |
bb2cdfff | 181 | _cur_analog_snapshots; |
009e1503 | 182 | |
3b68d03d | 183 | std::thread _sampling_thread; |
2e2946fe | 184 | |
009e1503 | 185 | signals: |
6ac96c2e JH |
186 | void capture_state_changed(int state); |
187 | ||
69dd2b03 JH |
188 | void signals_changed(); |
189 | ||
82f50b10 JH |
190 | void frame_began(); |
191 | ||
1f374035 JH |
192 | void data_received(); |
193 | ||
194 | void frame_ended(); | |
2953961c JH |
195 | |
196 | private: | |
197 | // TODO: This should not be necessary. Multiple concurrent | |
198 | // sessions should should be supported and it should be | |
199 | // possible to associate a pointer with a sr_session. | |
04abfae9 | 200 | static SigSession *_session; |
2953961c JH |
201 | }; |
202 | ||
51e77110 JH |
203 | } // namespace pv |
204 | ||
640d091b | 205 | #endif // PULSEVIEW_PV_SIGSESSION_H |