]>
Commit | Line | Data |
---|---|---|
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 | ||
21 | #include "sigsession.h" | |
22 | ||
dc0867ff | 23 | #include "devicemanager.h" |
1b1ec774 JH |
24 | #include "data/analog.h" |
25 | #include "data/analogsnapshot.h" | |
26 | #include "data/logic.h" | |
27 | #include "data/logicsnapshot.h" | |
aba1dd16 | 28 | #include "view/analogsignal.h" |
8d634081 | 29 | #include "view/logicsignal.h" |
28a4c9c5 | 30 | |
2953961c JH |
31 | #include <assert.h> |
32 | ||
79efbc53 JH |
33 | #include <QDebug> |
34 | ||
28a4c9c5 | 35 | using namespace boost; |
e3f65ace | 36 | using namespace std; |
28a4c9c5 | 37 | |
51e77110 JH |
38 | namespace pv { |
39 | ||
2953961c | 40 | // TODO: This should not be necessary |
04abfae9 | 41 | SigSession* SigSession::_session = NULL; |
2953961c | 42 | |
dc0867ff JH |
43 | SigSession::SigSession(DeviceManager &device_manager) : |
44 | _device_manager(device_manager), | |
d64d1596 | 45 | _sdi(NULL), |
5b7cf66c | 46 | _capture_state(Stopped) |
2953961c JH |
47 | { |
48 | // TODO: This should not be necessary | |
04abfae9 | 49 | _session = this; |
2953961c JH |
50 | } |
51 | ||
52 | SigSession::~SigSession() | |
53 | { | |
5b7cf66c JH |
54 | stop_capture(); |
55 | ||
333d5bbc | 56 | if (_sampling_thread.get()) |
2e2946fe JH |
57 | _sampling_thread->join(); |
58 | _sampling_thread.reset(); | |
59 | ||
2953961c | 60 | // TODO: This should not be necessary |
04abfae9 | 61 | _session = NULL; |
2953961c JH |
62 | } |
63 | ||
dc0867ff JH |
64 | struct sr_dev_inst* SigSession::get_device() const |
65 | { | |
66 | return _sdi; | |
67 | } | |
68 | ||
d64d1596 JH |
69 | void SigSession::set_device(struct sr_dev_inst *sdi) |
70 | { | |
88497156 | 71 | if (_sdi) |
dc0867ff | 72 | _device_manager.release_device(_sdi); |
88497156 | 73 | if (sdi) |
dc0867ff | 74 | _device_manager.use_device(sdi, this); |
d64d1596 JH |
75 | _sdi = sdi; |
76 | } | |
77 | ||
dc0867ff JH |
78 | void SigSession::release_device(struct sr_dev_inst *sdi) |
79 | { | |
80 | (void)sdi; | |
81 | ||
82 | assert(_capture_state == Stopped); | |
83 | _sdi = NULL; | |
84 | } | |
85 | ||
f2edb557 JH |
86 | void SigSession::load_file(const string &name, |
87 | function<void (const QString)> error_handler) | |
2953961c | 88 | { |
8a67bd9e JH |
89 | stop_capture(); |
90 | _sampling_thread.reset(new boost::thread( | |
f2edb557 JH |
91 | &SigSession::load_thread_proc, this, name, |
92 | error_handler)); | |
2953961c JH |
93 | } |
94 | ||
5b7cf66c JH |
95 | SigSession::capture_state SigSession::get_capture_state() const |
96 | { | |
949f8050 | 97 | lock_guard<mutex> lock(_sampling_mutex); |
5b7cf66c JH |
98 | return _capture_state; |
99 | } | |
100 | ||
d64d1596 | 101 | void SigSession::start_capture(uint64_t record_length, |
f2edb557 | 102 | function<void (const QString)> error_handler) |
2e2946fe | 103 | { |
5b7cf66c JH |
104 | stop_capture(); |
105 | ||
d64d1596 JH |
106 | // Check that a device instance has been selected. |
107 | if (!_sdi) { | |
108 | qDebug() << "No device selected"; | |
109 | return; | |
110 | } | |
111 | ||
9c48fa57 JH |
112 | // Check that at least one probe is enabled |
113 | const GSList *l; | |
d64d1596 | 114 | for (l = _sdi->probes; l; l = l->next) { |
9c48fa57 JH |
115 | sr_probe *const probe = (sr_probe*)l->data; |
116 | assert(probe); | |
117 | if (probe->enabled) | |
118 | break; | |
119 | } | |
120 | ||
121 | if (!l) { | |
122 | error_handler(tr("No probes enabled.")); | |
123 | return; | |
124 | } | |
125 | ||
126 | // Begin the session | |
2e2946fe | 127 | _sampling_thread.reset(new boost::thread( |
d64d1596 | 128 | &SigSession::sample_thread_proc, this, _sdi, |
f2edb557 | 129 | record_length, error_handler)); |
2e2946fe JH |
130 | } |
131 | ||
5b7cf66c JH |
132 | void SigSession::stop_capture() |
133 | { | |
333d5bbc | 134 | if (get_capture_state() == Stopped) |
5b7cf66c JH |
135 | return; |
136 | ||
137 | sr_session_stop(); | |
138 | ||
139 | // Check that sampling stopped | |
333d5bbc | 140 | if (_sampling_thread.get()) |
5b7cf66c JH |
141 | _sampling_thread->join(); |
142 | _sampling_thread.reset(); | |
5b7cf66c JH |
143 | } |
144 | ||
3868e5fa | 145 | vector< shared_ptr<view::Signal> > SigSession::get_signals() |
2e2946fe | 146 | { |
3868e5fa | 147 | lock_guard<mutex> lock(_signals_mutex); |
2e2946fe JH |
148 | return _signals; |
149 | } | |
150 | ||
1b1ec774 | 151 | boost::shared_ptr<data::Logic> SigSession::get_data() |
2e2946fe JH |
152 | { |
153 | return _logic_data; | |
154 | } | |
155 | ||
6ac96c2e JH |
156 | void SigSession::set_capture_state(capture_state state) |
157 | { | |
949f8050 | 158 | lock_guard<mutex> lock(_sampling_mutex); |
6ac96c2e JH |
159 | _capture_state = state; |
160 | capture_state_changed(state); | |
161 | } | |
162 | ||
f2edb557 JH |
163 | void SigSession::load_thread_proc(const string name, |
164 | function<void (const QString)> error_handler) | |
8a67bd9e JH |
165 | { |
166 | if (sr_session_load(name.c_str()) != SR_OK) { | |
f2edb557 | 167 | error_handler(tr("Failed to load file.")); |
8a67bd9e JH |
168 | return; |
169 | } | |
170 | ||
5045f16d | 171 | sr_session_datafeed_callback_add(data_feed_in_proc, NULL); |
8a67bd9e JH |
172 | |
173 | if (sr_session_start() != SR_OK) { | |
f2edb557 | 174 | error_handler(tr("Failed to start session.")); |
8a67bd9e JH |
175 | return; |
176 | } | |
177 | ||
178 | set_capture_state(Running); | |
179 | ||
180 | sr_session_run(); | |
d5bf2c6c | 181 | sr_session_destroy(); |
8a67bd9e JH |
182 | |
183 | set_capture_state(Stopped); | |
1a2fe44c JH |
184 | |
185 | // Confirm that SR_DF_END was received | |
186 | assert(!_cur_logic_snapshot); | |
187 | assert(!_cur_analog_snapshot); | |
8a67bd9e JH |
188 | } |
189 | ||
2e2946fe | 190 | void SigSession::sample_thread_proc(struct sr_dev_inst *sdi, |
f2edb557 JH |
191 | uint64_t record_length, |
192 | function<void (const QString)> error_handler) | |
274d4f13 | 193 | { |
be73bdfa | 194 | assert(sdi); |
f2edb557 | 195 | assert(error_handler); |
be73bdfa | 196 | |
274d4f13 | 197 | sr_session_new(); |
5045f16d | 198 | sr_session_datafeed_callback_add(data_feed_in_proc, NULL); |
274d4f13 JH |
199 | |
200 | if (sr_session_dev_add(sdi) != SR_OK) { | |
f2edb557 | 201 | error_handler(tr("Failed to use device.")); |
274d4f13 JH |
202 | sr_session_destroy(); |
203 | return; | |
204 | } | |
205 | ||
be73bdfa JH |
206 | // Set the sample limit |
207 | if (sr_config_set(sdi, SR_CONF_LIMIT_SAMPLES, | |
8eb9d311 | 208 | g_variant_new_uint64(record_length)) != SR_OK) { |
f2edb557 JH |
209 | error_handler(tr("Failed to configure " |
210 | "time-based sample limit.")); | |
274d4f13 JH |
211 | sr_session_destroy(); |
212 | return; | |
213 | } | |
214 | ||
eec446e1 | 215 | if (sr_session_start() != SR_OK) { |
f2edb557 | 216 | error_handler(tr("Failed to start session.")); |
eec446e1 JH |
217 | return; |
218 | } | |
219 | ||
220 | set_capture_state(Running); | |
221 | ||
222 | sr_session_run(); | |
223 | sr_session_destroy(); | |
224 | ||
225 | set_capture_state(Stopped); | |
1a2fe44c JH |
226 | |
227 | // Confirm that SR_DF_END was received | |
228 | assert(!_cur_logic_snapshot); | |
229 | assert(!_cur_analog_snapshot); | |
eec446e1 JH |
230 | } |
231 | ||
232 | void SigSession::feed_in_header(const sr_dev_inst *sdi) | |
233 | { | |
234 | shared_ptr<view::Signal> signal; | |
8eb9d311 BV |
235 | GVariant *gvar; |
236 | uint64_t sample_rate = 0; | |
eec446e1 JH |
237 | unsigned int logic_probe_count = 0; |
238 | unsigned int analog_probe_count = 0; | |
239 | ||
be73bdfa JH |
240 | // Detect what data types we will receive |
241 | for (const GSList *l = sdi->probes; l; l = l->next) { | |
242 | const sr_probe *const probe = (const sr_probe *)l->data; | |
243 | if (!probe->enabled) | |
244 | continue; | |
274d4f13 | 245 | |
be73bdfa JH |
246 | switch(probe->type) { |
247 | case SR_PROBE_LOGIC: | |
248 | logic_probe_count++; | |
249 | break; | |
5b7cf66c | 250 | |
be73bdfa JH |
251 | case SR_PROBE_ANALOG: |
252 | analog_probe_count++; | |
253 | break; | |
254 | } | |
255 | } | |
8d634081 | 256 | |
7297c76e JH |
257 | // Read out the sample rate |
258 | assert(sdi->driver); | |
c0d6d479 JH |
259 | |
260 | const int ret = sr_config_get(sdi->driver, SR_CONF_SAMPLERATE, | |
8eb9d311 | 261 | &gvar, sdi); |
174e27a1 JH |
262 | if (ret != SR_OK) { |
263 | qDebug("Failed to get samplerate\n"); | |
264 | return; | |
265 | } | |
266 | ||
8eb9d311 BV |
267 | sample_rate = g_variant_get_uint64(gvar); |
268 | g_variant_unref(gvar); | |
7297c76e | 269 | |
be73bdfa | 270 | // Create data containers for the coming data snapshots |
3868e5fa | 271 | { |
aba1dd16 | 272 | lock_guard<mutex> data_lock(_data_mutex); |
3868e5fa | 273 | |
be73bdfa JH |
274 | if (logic_probe_count != 0) { |
275 | _logic_data.reset(new data::Logic( | |
8eb9d311 | 276 | logic_probe_count, sample_rate)); |
be73bdfa JH |
277 | assert(_logic_data); |
278 | } | |
279 | ||
280 | if (analog_probe_count != 0) { | |
8eb9d311 | 281 | _analog_data.reset(new data::Analog(sample_rate)); |
be73bdfa JH |
282 | assert(_analog_data); |
283 | } | |
3868e5fa JH |
284 | } |
285 | ||
be73bdfa | 286 | // Make the logic probe list |
3868e5fa JH |
287 | { |
288 | lock_guard<mutex> lock(_signals_mutex); | |
2e2946fe | 289 | |
be73bdfa JH |
290 | _signals.clear(); |
291 | ||
292 | for (const GSList *l = sdi->probes; l; l = l->next) { | |
2e2946fe | 293 | const sr_probe *const probe = |
be73bdfa JH |
294 | (const sr_probe *)l->data; |
295 | assert(probe); | |
296 | if (!probe->enabled) | |
297 | continue; | |
298 | ||
299 | switch(probe->type) { | |
300 | case SR_PROBE_LOGIC: | |
301 | signal = shared_ptr<view::Signal>( | |
302 | new view::LogicSignal(probe->name, | |
b0e1d01d | 303 | _logic_data, probe->index)); |
be73bdfa JH |
304 | break; |
305 | ||
306 | case SR_PROBE_ANALOG: | |
307 | signal = shared_ptr<view::Signal>( | |
308 | new view::AnalogSignal(probe->name, | |
568b90d4 | 309 | _analog_data, probe->index)); |
be73bdfa | 310 | break; |
e3f65ace | 311 | } |
be73bdfa JH |
312 | |
313 | _signals.push_back(signal); | |
2953961c | 314 | } |
28a4c9c5 | 315 | |
69dd2b03 | 316 | signals_changed(); |
2e2946fe | 317 | } |
be73bdfa JH |
318 | } |
319 | ||
320 | void SigSession::feed_in_meta(const sr_dev_inst *sdi, | |
321 | const sr_datafeed_meta &meta) | |
322 | { | |
94fe58ef UH |
323 | (void)sdi; |
324 | ||
be73bdfa JH |
325 | for (const GSList *l = meta.config; l; l = l->next) { |
326 | const sr_config *const src = (const sr_config*)l->data; | |
327 | switch (src->key) { | |
328 | case SR_CONF_SAMPLERATE: | |
329 | /// @todo handle samplerate changes | |
330 | /// samplerate = (uint64_t *)src->value; | |
331 | break; | |
332 | default: | |
333 | // Unknown metadata is not an error. | |
334 | break; | |
335 | } | |
aba1dd16 JH |
336 | } |
337 | } | |
338 | ||
9c112671 JH |
339 | void SigSession::feed_in_logic(const sr_datafeed_logic &logic) |
340 | { | |
341 | lock_guard<mutex> lock(_data_mutex); | |
79efbc53 JH |
342 | |
343 | if (!_logic_data) | |
9c112671 | 344 | { |
79efbc53 JH |
345 | qDebug() << "Unexpected logic packet"; |
346 | return; | |
347 | } | |
be73bdfa | 348 | |
79efbc53 JH |
349 | if (!_cur_logic_snapshot) |
350 | { | |
9c112671 | 351 | // Create a new data snapshot |
1b1ec774 JH |
352 | _cur_logic_snapshot = shared_ptr<data::LogicSnapshot>( |
353 | new data::LogicSnapshot(logic)); | |
9c112671 JH |
354 | _logic_data->push_snapshot(_cur_logic_snapshot); |
355 | } | |
356 | else | |
357 | { | |
358 | // Append to the existing data snapshot | |
359 | _cur_logic_snapshot->append_payload(logic); | |
360 | } | |
361 | ||
362 | data_updated(); | |
363 | } | |
364 | ||
aba1dd16 JH |
365 | void SigSession::feed_in_analog(const sr_datafeed_analog &analog) |
366 | { | |
367 | lock_guard<mutex> lock(_data_mutex); | |
79efbc53 JH |
368 | |
369 | if(!_analog_data) | |
aba1dd16 | 370 | { |
79efbc53 JH |
371 | qDebug() << "Unexpected analog packet"; |
372 | return; // This analog packet was not expected. | |
373 | } | |
be73bdfa | 374 | |
79efbc53 JH |
375 | if (!_cur_analog_snapshot) |
376 | { | |
aba1dd16 | 377 | // Create a new data snapshot |
1b1ec774 JH |
378 | _cur_analog_snapshot = shared_ptr<data::AnalogSnapshot>( |
379 | new data::AnalogSnapshot(analog)); | |
aba1dd16 JH |
380 | _analog_data->push_snapshot(_cur_analog_snapshot); |
381 | } | |
382 | else | |
383 | { | |
384 | // Append to the existing data snapshot | |
385 | _cur_analog_snapshot->append_payload(analog); | |
386 | } | |
387 | ||
388 | data_updated(); | |
389 | } | |
9c112671 | 390 | |
b0e1d01d JH |
391 | void SigSession::data_feed_in(const struct sr_dev_inst *sdi, |
392 | const struct sr_datafeed_packet *packet) | |
393 | { | |
394 | assert(sdi); | |
395 | assert(packet); | |
396 | ||
397 | switch (packet->type) { | |
398 | case SR_DF_HEADER: | |
eec446e1 | 399 | feed_in_header(sdi); |
b0e1d01d JH |
400 | break; |
401 | ||
be73bdfa | 402 | case SR_DF_META: |
aba1dd16 | 403 | assert(packet->payload); |
be73bdfa JH |
404 | feed_in_meta(sdi, |
405 | *(const sr_datafeed_meta*)packet->payload); | |
aba1dd16 JH |
406 | break; |
407 | ||
2e2946fe | 408 | case SR_DF_LOGIC: |
28a4c9c5 | 409 | assert(packet->payload); |
9c112671 | 410 | feed_in_logic(*(const sr_datafeed_logic*)packet->payload); |
2953961c JH |
411 | break; |
412 | ||
aba1dd16 JH |
413 | case SR_DF_ANALOG: |
414 | assert(packet->payload); | |
415 | feed_in_analog(*(const sr_datafeed_analog*)packet->payload); | |
416 | break; | |
417 | ||
2953961c | 418 | case SR_DF_END: |
2e2946fe JH |
419 | { |
420 | { | |
421 | lock_guard<mutex> lock(_data_mutex); | |
422 | _cur_logic_snapshot.reset(); | |
aba1dd16 | 423 | _cur_analog_snapshot.reset(); |
2e2946fe | 424 | } |
04abfae9 | 425 | data_updated(); |
2953961c JH |
426 | break; |
427 | } | |
2e2946fe | 428 | } |
2953961c JH |
429 | } |
430 | ||
04abfae9 | 431 | void SigSession::data_feed_in_proc(const struct sr_dev_inst *sdi, |
5045f16d | 432 | const struct sr_datafeed_packet *packet, void *cb_data) |
2953961c | 433 | { |
5045f16d | 434 | (void) cb_data; |
04abfae9 JH |
435 | assert(_session); |
436 | _session->data_feed_in(sdi, packet); | |
2953961c | 437 | } |
51e77110 JH |
438 | |
439 | } // namespace pv |