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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 | ||
269528f5 | 21 | #ifdef ENABLE_DECODE |
4e5a4405 | 22 | #include <libsigrokdecode/libsigrokdecode.h> |
269528f5 | 23 | #endif |
4e5a4405 | 24 | |
2953961c JH |
25 | #include "sigsession.h" |
26 | ||
dc0867ff | 27 | #include "devicemanager.h" |
119aff65 | 28 | |
1b1ec774 JH |
29 | #include "data/analog.h" |
30 | #include "data/analogsnapshot.h" | |
6e89374a | 31 | #include "data/decoderstack.h" |
1b1ec774 JH |
32 | #include "data/logic.h" |
33 | #include "data/logicsnapshot.h" | |
7491a29f | 34 | #include "data/decode/decoder.h" |
82c7f640 | 35 | |
aba1dd16 | 36 | #include "view/analogsignal.h" |
b9329558 | 37 | #include "view/decodetrace.h" |
8d634081 | 38 | #include "view/logicsignal.h" |
28a4c9c5 | 39 | |
2953961c JH |
40 | #include <assert.h> |
41 | ||
e92cd4e4 JH |
42 | #include <stdexcept> |
43 | ||
4e5a4405 JH |
44 | #include <boost/foreach.hpp> |
45 | ||
728e5ef7 JH |
46 | #include <sys/stat.h> |
47 | ||
79efbc53 JH |
48 | #include <QDebug> |
49 | ||
819f4c25 JH |
50 | using boost::dynamic_pointer_cast; |
51 | using boost::function; | |
52 | using boost::lock_guard; | |
53 | using boost::mutex; | |
54 | using boost::shared_ptr; | |
55 | using std::map; | |
02412f0b | 56 | using std::set; |
819f4c25 JH |
57 | using std::string; |
58 | using std::vector; | |
28a4c9c5 | 59 | |
51e77110 JH |
60 | namespace pv { |
61 | ||
2953961c | 62 | // TODO: This should not be necessary |
04abfae9 | 63 | SigSession* SigSession::_session = NULL; |
2953961c | 64 | |
dc0867ff JH |
65 | SigSession::SigSession(DeviceManager &device_manager) : |
66 | _device_manager(device_manager), | |
d64d1596 | 67 | _sdi(NULL), |
5b7cf66c | 68 | _capture_state(Stopped) |
2953961c JH |
69 | { |
70 | // TODO: This should not be necessary | |
04abfae9 | 71 | _session = this; |
2953961c JH |
72 | } |
73 | ||
74 | SigSession::~SigSession() | |
75 | { | |
5b7cf66c JH |
76 | stop_capture(); |
77 | ||
e042ad64 | 78 | _sampling_thread.join(); |
2e2946fe | 79 | |
0f784939 JH |
80 | if (_sdi) |
81 | _device_manager.release_device(_sdi); | |
82 | _sdi = NULL; | |
83 | ||
2953961c | 84 | // TODO: This should not be necessary |
04abfae9 | 85 | _session = NULL; |
2953961c JH |
86 | } |
87 | ||
dc0867ff JH |
88 | struct sr_dev_inst* SigSession::get_device() const |
89 | { | |
90 | return _sdi; | |
91 | } | |
92 | ||
d64d1596 JH |
93 | void SigSession::set_device(struct sr_dev_inst *sdi) |
94 | { | |
82596f46 JH |
95 | // Ensure we are not capturing before setting the device |
96 | stop_capture(); | |
97 | ||
88497156 | 98 | if (_sdi) |
dc0867ff | 99 | _device_manager.release_device(_sdi); |
88497156 | 100 | if (sdi) |
dc0867ff | 101 | _device_manager.use_device(sdi, this); |
d64d1596 | 102 | _sdi = sdi; |
b698553c | 103 | update_signals(sdi); |
d64d1596 JH |
104 | } |
105 | ||
dc0867ff JH |
106 | void SigSession::release_device(struct sr_dev_inst *sdi) |
107 | { | |
108 | (void)sdi; | |
109 | ||
110 | assert(_capture_state == Stopped); | |
111 | _sdi = NULL; | |
b698553c | 112 | update_signals(NULL); |
dc0867ff JH |
113 | } |
114 | ||
f2edb557 JH |
115 | void SigSession::load_file(const string &name, |
116 | function<void (const QString)> error_handler) | |
2953961c | 117 | { |
8a67bd9e | 118 | stop_capture(); |
e8c9f8a5 JH |
119 | |
120 | if (sr_session_load(name.c_str()) == SR_OK) { | |
121 | GSList *devlist = NULL; | |
122 | sr_session_dev_list(&devlist); | |
123 | ||
124 | if (!devlist || !devlist->data || | |
125 | sr_session_start() != SR_OK) { | |
126 | error_handler(tr("Failed to start session.")); | |
127 | return; | |
128 | } | |
129 | ||
deef291c | 130 | sr_dev_inst *const sdi = (sr_dev_inst*)devlist->data; |
e8c9f8a5 JH |
131 | g_slist_free(devlist); |
132 | ||
7d0c935c | 133 | _decode_traces.clear(); |
deef291c JH |
134 | update_signals(sdi); |
135 | read_sample_rate(sdi); | |
136 | ||
e042ad64 | 137 | _sampling_thread = boost::thread( |
e8c9f8a5 | 138 | &SigSession::load_session_thread_proc, this, |
e042ad64 | 139 | error_handler); |
e8c9f8a5 JH |
140 | |
141 | } else { | |
142 | sr_input *in = NULL; | |
143 | ||
144 | if (!(in = load_input_file_format(name.c_str(), | |
145 | error_handler))) | |
146 | return; | |
147 | ||
7d0c935c | 148 | _decode_traces.clear(); |
e8c9f8a5 | 149 | update_signals(in->sdi); |
deef291c | 150 | read_sample_rate(in->sdi); |
e8c9f8a5 | 151 | |
e042ad64 | 152 | _sampling_thread = boost::thread( |
e8c9f8a5 | 153 | &SigSession::load_input_thread_proc, this, |
e042ad64 | 154 | name, in, error_handler); |
e8c9f8a5 | 155 | } |
2953961c JH |
156 | } |
157 | ||
5b7cf66c JH |
158 | SigSession::capture_state SigSession::get_capture_state() const |
159 | { | |
949f8050 | 160 | lock_guard<mutex> lock(_sampling_mutex); |
5b7cf66c JH |
161 | return _capture_state; |
162 | } | |
163 | ||
d64d1596 | 164 | void SigSession::start_capture(uint64_t record_length, |
f2edb557 | 165 | function<void (const QString)> error_handler) |
2e2946fe | 166 | { |
5b7cf66c JH |
167 | stop_capture(); |
168 | ||
d64d1596 JH |
169 | // Check that a device instance has been selected. |
170 | if (!_sdi) { | |
171 | qDebug() << "No device selected"; | |
172 | return; | |
173 | } | |
174 | ||
9c48fa57 JH |
175 | // Check that at least one probe is enabled |
176 | const GSList *l; | |
d64d1596 | 177 | for (l = _sdi->probes; l; l = l->next) { |
9c48fa57 JH |
178 | sr_probe *const probe = (sr_probe*)l->data; |
179 | assert(probe); | |
180 | if (probe->enabled) | |
181 | break; | |
182 | } | |
183 | ||
184 | if (!l) { | |
185 | error_handler(tr("No probes enabled.")); | |
186 | return; | |
187 | } | |
188 | ||
189 | // Begin the session | |
e042ad64 | 190 | _sampling_thread = boost::thread( |
d64d1596 | 191 | &SigSession::sample_thread_proc, this, _sdi, |
e042ad64 | 192 | record_length, error_handler); |
2e2946fe JH |
193 | } |
194 | ||
5b7cf66c JH |
195 | void SigSession::stop_capture() |
196 | { | |
333d5bbc | 197 | if (get_capture_state() == Stopped) |
5b7cf66c JH |
198 | return; |
199 | ||
200 | sr_session_stop(); | |
201 | ||
202 | // Check that sampling stopped | |
e042ad64 | 203 | _sampling_thread.join(); |
5b7cf66c JH |
204 | } |
205 | ||
02412f0b JH |
206 | set< shared_ptr<data::SignalData> > SigSession::get_data() const |
207 | { | |
208 | lock_guard<mutex> lock(_signals_mutex); | |
209 | set< shared_ptr<data::SignalData> > data; | |
210 | BOOST_FOREACH(const shared_ptr<view::Signal> sig, _signals) { | |
211 | assert(sig); | |
212 | data.insert(sig->data()); | |
213 | } | |
214 | ||
215 | return data; | |
216 | } | |
217 | ||
38eeddea | 218 | vector< shared_ptr<view::Signal> > SigSession::get_signals() const |
2e2946fe | 219 | { |
3868e5fa | 220 | lock_guard<mutex> lock(_signals_mutex); |
2e2946fe JH |
221 | return _signals; |
222 | } | |
223 | ||
269528f5 | 224 | #ifdef ENABLE_DECODE |
4e5a4405 | 225 | bool SigSession::add_decoder(srd_decoder *const dec) |
82c7f640 | 226 | { |
4e5a4405 | 227 | map<const srd_probe*, shared_ptr<view::LogicSignal> > probes; |
7491a29f | 228 | shared_ptr<data::DecoderStack> decoder_stack; |
4e5a4405 | 229 | |
e92cd4e4 | 230 | try |
82c7f640 | 231 | { |
119aff65 | 232 | lock_guard<mutex> lock(_signals_mutex); |
e0fc5810 | 233 | |
4e5a4405 | 234 | // Create the decoder |
7491a29f JH |
235 | decoder_stack = shared_ptr<data::DecoderStack>( |
236 | new data::DecoderStack(dec)); | |
4e5a4405 JH |
237 | |
238 | // Auto select the initial probes | |
239 | for(const GSList *i = dec->probes; i; i = i->next) | |
240 | { | |
241 | const srd_probe *const probe = (const srd_probe*)i->data; | |
242 | BOOST_FOREACH(shared_ptr<view::Signal> s, _signals) | |
243 | { | |
244 | shared_ptr<view::LogicSignal> l = | |
245 | dynamic_pointer_cast<view::LogicSignal>(s); | |
27e8df22 JH |
246 | if (l && QString::fromUtf8(probe->name). |
247 | toLower().contains( | |
4e5a4405 JH |
248 | l->get_name().toLower())) |
249 | probes[probe] = l; | |
250 | } | |
251 | } | |
252 | ||
7491a29f JH |
253 | assert(decoder_stack); |
254 | assert(!decoder_stack->stack().empty()); | |
255 | assert(decoder_stack->stack().front()); | |
256 | decoder_stack->stack().front()->set_probes(probes); | |
4e5a4405 JH |
257 | |
258 | // Create the decode signal | |
b9329558 | 259 | shared_ptr<view::DecodeTrace> d( |
7491a29f | 260 | new view::DecodeTrace(*this, decoder_stack, |
06bb4e6a | 261 | _decode_traces.size())); |
82c7f640 JH |
262 | _decode_traces.push_back(d); |
263 | } | |
e92cd4e4 JH |
264 | catch(std::runtime_error e) |
265 | { | |
266 | return false; | |
267 | } | |
268 | ||
82c7f640 | 269 | signals_changed(); |
e92cd4e4 | 270 | |
7491a29f JH |
271 | // Do an initial decode |
272 | decoder_stack->begin_decode(); | |
273 | ||
e92cd4e4 | 274 | return true; |
82c7f640 JH |
275 | } |
276 | ||
b9329558 | 277 | vector< shared_ptr<view::DecodeTrace> > SigSession::get_decode_signals() const |
38eeddea JH |
278 | { |
279 | lock_guard<mutex> lock(_signals_mutex); | |
280 | return _decode_traces; | |
281 | } | |
282 | ||
b9329558 | 283 | void SigSession::remove_decode_signal(view::DecodeTrace *signal) |
c51482b3 | 284 | { |
b9329558 | 285 | for (vector< shared_ptr<view::DecodeTrace> >::iterator i = |
c51482b3 JH |
286 | _decode_traces.begin(); |
287 | i != _decode_traces.end(); | |
288 | i++) | |
289 | if ((*i).get() == signal) | |
290 | { | |
291 | _decode_traces.erase(i); | |
292 | signals_changed(); | |
293 | return; | |
294 | } | |
295 | } | |
269528f5 | 296 | #endif |
c51482b3 | 297 | |
6ac96c2e JH |
298 | void SigSession::set_capture_state(capture_state state) |
299 | { | |
949f8050 | 300 | lock_guard<mutex> lock(_sampling_mutex); |
2b49eeb0 | 301 | const bool changed = _capture_state != state; |
6ac96c2e | 302 | _capture_state = state; |
2b49eeb0 JH |
303 | if(changed) |
304 | capture_state_changed(state); | |
6ac96c2e JH |
305 | } |
306 | ||
728e5ef7 JH |
307 | /** |
308 | * Attempts to autodetect the format. Failing that | |
309 | * @param filename The filename of the input file. | |
310 | * @return A pointer to the 'struct sr_input_format' that should be used, | |
311 | * or NULL if no input format was selected or auto-detected. | |
312 | */ | |
313 | sr_input_format* SigSession::determine_input_file_format( | |
314 | const string &filename) | |
315 | { | |
316 | int i; | |
317 | ||
318 | /* If there are no input formats, return NULL right away. */ | |
319 | sr_input_format *const *const inputs = sr_input_list(); | |
320 | if (!inputs) { | |
321 | g_critical("No supported input formats available."); | |
322 | return NULL; | |
323 | } | |
324 | ||
325 | /* Otherwise, try to find an input module that can handle this file. */ | |
326 | for (i = 0; inputs[i]; i++) { | |
327 | if (inputs[i]->format_match(filename.c_str())) | |
328 | break; | |
329 | } | |
330 | ||
331 | /* Return NULL if no input module wanted to touch this. */ | |
332 | if (!inputs[i]) { | |
333 | g_critical("Error: no matching input module found."); | |
334 | return NULL; | |
335 | } | |
336 | ||
337 | return inputs[i]; | |
338 | } | |
339 | ||
340 | sr_input* SigSession::load_input_file_format(const string &filename, | |
341 | function<void (const QString)> error_handler, | |
342 | sr_input_format *format) | |
343 | { | |
344 | struct stat st; | |
345 | sr_input *in; | |
346 | ||
347 | if (!format && !(format = | |
348 | determine_input_file_format(filename.c_str()))) { | |
349 | /* The exact cause was already logged. */ | |
350 | return NULL; | |
351 | } | |
352 | ||
353 | if (stat(filename.c_str(), &st) == -1) { | |
354 | error_handler(tr("Failed to load file")); | |
355 | return NULL; | |
356 | } | |
357 | ||
358 | /* Initialize the input module. */ | |
359 | if (!(in = new sr_input)) { | |
360 | qDebug("Failed to allocate input module.\n"); | |
361 | return NULL; | |
362 | } | |
363 | ||
364 | in->format = format; | |
365 | in->param = NULL; | |
366 | if (in->format->init && | |
367 | in->format->init(in, filename.c_str()) != SR_OK) { | |
368 | qDebug("Input format init failed.\n"); | |
369 | return NULL; | |
370 | } | |
371 | ||
372 | sr_session_new(); | |
373 | ||
374 | if (sr_session_dev_add(in->sdi) != SR_OK) { | |
375 | qDebug("Failed to use device.\n"); | |
376 | sr_session_destroy(); | |
377 | return NULL; | |
378 | } | |
379 | ||
380 | return in; | |
381 | } | |
382 | ||
b698553c | 383 | void SigSession::update_signals(const sr_dev_inst *const sdi) |
b087ba7f JH |
384 | { |
385 | assert(_capture_state == Stopped); | |
386 | ||
b087ba7f JH |
387 | unsigned int logic_probe_count = 0; |
388 | unsigned int analog_probe_count = 0; | |
389 | ||
82c7f640 JH |
390 | // Clear the decode traces |
391 | _decode_traces.clear(); | |
392 | ||
b087ba7f | 393 | // Detect what data types we will receive |
b698553c JH |
394 | if(sdi) { |
395 | for (const GSList *l = sdi->probes; l; l = l->next) { | |
b087ba7f JH |
396 | const sr_probe *const probe = (const sr_probe *)l->data; |
397 | if (!probe->enabled) | |
398 | continue; | |
399 | ||
400 | switch(probe->type) { | |
401 | case SR_PROBE_LOGIC: | |
402 | logic_probe_count++; | |
403 | break; | |
404 | ||
405 | case SR_PROBE_ANALOG: | |
406 | analog_probe_count++; | |
407 | break; | |
408 | } | |
409 | } | |
410 | } | |
411 | ||
412 | // Create data containers for the data snapshots | |
413 | { | |
414 | lock_guard<mutex> data_lock(_data_mutex); | |
415 | ||
416 | _logic_data.reset(); | |
417 | if (logic_probe_count != 0) { | |
418 | _logic_data.reset(new data::Logic( | |
419 | logic_probe_count)); | |
420 | assert(_logic_data); | |
421 | } | |
422 | ||
423 | _analog_data.reset(); | |
424 | if (analog_probe_count != 0) { | |
425 | _analog_data.reset(new data::Analog()); | |
426 | assert(_analog_data); | |
427 | } | |
428 | } | |
429 | ||
430 | // Make the Signals list | |
39e680c2 | 431 | do { |
b087ba7f JH |
432 | lock_guard<mutex> lock(_signals_mutex); |
433 | ||
434 | _signals.clear(); | |
435 | ||
39e680c2 JH |
436 | if(!sdi) |
437 | break; | |
438 | ||
439 | for (const GSList *l = sdi->probes; l; l = l->next) { | |
440 | shared_ptr<view::Signal> signal; | |
441 | sr_probe *const probe = (sr_probe *)l->data; | |
442 | assert(probe); | |
443 | ||
444 | switch(probe->type) { | |
445 | case SR_PROBE_LOGIC: | |
446 | signal = shared_ptr<view::Signal>( | |
447 | new view::LogicSignal(*this, probe, | |
448 | _logic_data)); | |
449 | break; | |
450 | ||
451 | case SR_PROBE_ANALOG: | |
452 | signal = shared_ptr<view::Signal>( | |
453 | new view::AnalogSignal(*this, probe, | |
454 | _analog_data)); | |
455 | break; | |
456 | ||
457 | default: | |
458 | assert(0); | |
459 | break; | |
b087ba7f | 460 | } |
39e680c2 JH |
461 | |
462 | assert(signal); | |
463 | _signals.push_back(signal); | |
b087ba7f | 464 | } |
39e680c2 JH |
465 | |
466 | } while(0); | |
b087ba7f JH |
467 | |
468 | signals_changed(); | |
469 | } | |
470 | ||
2b49eeb0 JH |
471 | bool SigSession::is_trigger_enabled() const |
472 | { | |
473 | assert(_sdi); | |
474 | for (const GSList *l = _sdi->probes; l; l = l->next) { | |
475 | const sr_probe *const p = (const sr_probe *)l->data; | |
476 | assert(p); | |
477 | if (p->trigger && p->trigger[0] != '\0') | |
478 | return true; | |
479 | } | |
480 | ||
481 | return false; | |
482 | } | |
483 | ||
3ddcc083 JH |
484 | shared_ptr<view::Signal> SigSession::signal_from_probe( |
485 | const sr_probe *probe) const | |
486 | { | |
487 | lock_guard<mutex> lock(_signals_mutex); | |
488 | BOOST_FOREACH(shared_ptr<view::Signal> sig, _signals) { | |
489 | assert(sig); | |
490 | if (sig->probe() == probe) | |
491 | return sig; | |
492 | } | |
493 | return shared_ptr<view::Signal>(); | |
494 | } | |
495 | ||
deef291c JH |
496 | void SigSession::read_sample_rate(const sr_dev_inst *const sdi) |
497 | { | |
498 | GVariant *gvar; | |
499 | uint64_t sample_rate = 0; | |
500 | ||
501 | // Read out the sample rate | |
502 | if(sdi->driver) | |
503 | { | |
68162c29 BV |
504 | const int ret = sr_config_get(sdi->driver, sdi, NULL, |
505 | SR_CONF_SAMPLERATE, &gvar); | |
deef291c JH |
506 | if (ret != SR_OK) { |
507 | qDebug("Failed to get samplerate\n"); | |
508 | return; | |
509 | } | |
510 | ||
511 | sample_rate = g_variant_get_uint64(gvar); | |
512 | g_variant_unref(gvar); | |
513 | } | |
514 | ||
515 | if(_analog_data) | |
516 | _analog_data->set_samplerate(sample_rate); | |
517 | if(_logic_data) | |
518 | _logic_data->set_samplerate(sample_rate); | |
519 | } | |
520 | ||
e8c9f8a5 | 521 | void SigSession::load_session_thread_proc( |
f2edb557 | 522 | function<void (const QString)> error_handler) |
8a67bd9e | 523 | { |
e8c9f8a5 | 524 | (void)error_handler; |
728e5ef7 | 525 | |
e8c9f8a5 JH |
526 | sr_session_datafeed_callback_add(data_feed_in_proc, NULL); |
527 | ||
528 | set_capture_state(Running); | |
529 | ||
530 | sr_session_run(); | |
531 | ||
532 | sr_session_destroy(); | |
533 | set_capture_state(Stopped); | |
534 | ||
535 | // Confirm that SR_DF_END was received | |
536 | assert(!_cur_logic_snapshot); | |
537 | assert(!_cur_analog_snapshot); | |
538 | } | |
539 | ||
540 | void SigSession::load_input_thread_proc(const string name, | |
541 | sr_input *in, function<void (const QString)> error_handler) | |
542 | { | |
543 | (void)error_handler; | |
544 | ||
545 | assert(in); | |
546 | assert(in->format); | |
8a67bd9e | 547 | |
5045f16d | 548 | sr_session_datafeed_callback_add(data_feed_in_proc, NULL); |
8a67bd9e | 549 | |
8a67bd9e JH |
550 | set_capture_state(Running); |
551 | ||
e8c9f8a5 | 552 | in->format->loadfile(in, name.c_str()); |
8a67bd9e | 553 | |
728e5ef7 | 554 | sr_session_destroy(); |
8a67bd9e | 555 | set_capture_state(Stopped); |
1a2fe44c JH |
556 | |
557 | // Confirm that SR_DF_END was received | |
558 | assert(!_cur_logic_snapshot); | |
559 | assert(!_cur_analog_snapshot); | |
728e5ef7 JH |
560 | |
561 | delete in; | |
8a67bd9e JH |
562 | } |
563 | ||
2e2946fe | 564 | void SigSession::sample_thread_proc(struct sr_dev_inst *sdi, |
f2edb557 JH |
565 | uint64_t record_length, |
566 | function<void (const QString)> error_handler) | |
274d4f13 | 567 | { |
be73bdfa | 568 | assert(sdi); |
f2edb557 | 569 | assert(error_handler); |
be73bdfa | 570 | |
274d4f13 | 571 | sr_session_new(); |
5045f16d | 572 | sr_session_datafeed_callback_add(data_feed_in_proc, NULL); |
274d4f13 JH |
573 | |
574 | if (sr_session_dev_add(sdi) != SR_OK) { | |
f2edb557 | 575 | error_handler(tr("Failed to use device.")); |
274d4f13 JH |
576 | sr_session_destroy(); |
577 | return; | |
578 | } | |
579 | ||
be73bdfa | 580 | // Set the sample limit |
68162c29 | 581 | if (sr_config_set(sdi, NULL, SR_CONF_LIMIT_SAMPLES, |
8eb9d311 | 582 | g_variant_new_uint64(record_length)) != SR_OK) { |
f2edb557 JH |
583 | error_handler(tr("Failed to configure " |
584 | "time-based sample limit.")); | |
274d4f13 JH |
585 | sr_session_destroy(); |
586 | return; | |
587 | } | |
588 | ||
eec446e1 | 589 | if (sr_session_start() != SR_OK) { |
f2edb557 | 590 | error_handler(tr("Failed to start session.")); |
eec446e1 JH |
591 | return; |
592 | } | |
593 | ||
2b49eeb0 | 594 | set_capture_state(is_trigger_enabled() ? AwaitingTrigger : Running); |
eec446e1 JH |
595 | |
596 | sr_session_run(); | |
597 | sr_session_destroy(); | |
598 | ||
599 | set_capture_state(Stopped); | |
1a2fe44c JH |
600 | |
601 | // Confirm that SR_DF_END was received | |
602 | assert(!_cur_logic_snapshot); | |
603 | assert(!_cur_analog_snapshot); | |
eec446e1 JH |
604 | } |
605 | ||
606 | void SigSession::feed_in_header(const sr_dev_inst *sdi) | |
607 | { | |
deef291c | 608 | read_sample_rate(sdi); |
be73bdfa JH |
609 | } |
610 | ||
611 | void SigSession::feed_in_meta(const sr_dev_inst *sdi, | |
612 | const sr_datafeed_meta &meta) | |
613 | { | |
94fe58ef UH |
614 | (void)sdi; |
615 | ||
be73bdfa JH |
616 | for (const GSList *l = meta.config; l; l = l->next) { |
617 | const sr_config *const src = (const sr_config*)l->data; | |
618 | switch (src->key) { | |
619 | case SR_CONF_SAMPLERATE: | |
620 | /// @todo handle samplerate changes | |
621 | /// samplerate = (uint64_t *)src->value; | |
622 | break; | |
623 | default: | |
624 | // Unknown metadata is not an error. | |
625 | break; | |
626 | } | |
aba1dd16 | 627 | } |
74043039 JH |
628 | |
629 | signals_changed(); | |
aba1dd16 JH |
630 | } |
631 | ||
9c112671 JH |
632 | void SigSession::feed_in_logic(const sr_datafeed_logic &logic) |
633 | { | |
634 | lock_guard<mutex> lock(_data_mutex); | |
79efbc53 JH |
635 | |
636 | if (!_logic_data) | |
9c112671 | 637 | { |
79efbc53 JH |
638 | qDebug() << "Unexpected logic packet"; |
639 | return; | |
640 | } | |
be73bdfa | 641 | |
79efbc53 JH |
642 | if (!_cur_logic_snapshot) |
643 | { | |
2b49eeb0 JH |
644 | set_capture_state(Running); |
645 | ||
9c112671 | 646 | // Create a new data snapshot |
1b1ec774 JH |
647 | _cur_logic_snapshot = shared_ptr<data::LogicSnapshot>( |
648 | new data::LogicSnapshot(logic)); | |
9c112671 JH |
649 | _logic_data->push_snapshot(_cur_logic_snapshot); |
650 | } | |
651 | else | |
652 | { | |
653 | // Append to the existing data snapshot | |
654 | _cur_logic_snapshot->append_payload(logic); | |
655 | } | |
656 | ||
657 | data_updated(); | |
658 | } | |
659 | ||
aba1dd16 JH |
660 | void SigSession::feed_in_analog(const sr_datafeed_analog &analog) |
661 | { | |
662 | lock_guard<mutex> lock(_data_mutex); | |
79efbc53 JH |
663 | |
664 | if(!_analog_data) | |
aba1dd16 | 665 | { |
79efbc53 JH |
666 | qDebug() << "Unexpected analog packet"; |
667 | return; // This analog packet was not expected. | |
668 | } | |
be73bdfa | 669 | |
79efbc53 JH |
670 | if (!_cur_analog_snapshot) |
671 | { | |
2b49eeb0 JH |
672 | set_capture_state(Running); |
673 | ||
aba1dd16 | 674 | // Create a new data snapshot |
1b1ec774 JH |
675 | _cur_analog_snapshot = shared_ptr<data::AnalogSnapshot>( |
676 | new data::AnalogSnapshot(analog)); | |
aba1dd16 JH |
677 | _analog_data->push_snapshot(_cur_analog_snapshot); |
678 | } | |
679 | else | |
680 | { | |
681 | // Append to the existing data snapshot | |
682 | _cur_analog_snapshot->append_payload(analog); | |
683 | } | |
684 | ||
685 | data_updated(); | |
686 | } | |
9c112671 | 687 | |
b0e1d01d JH |
688 | void SigSession::data_feed_in(const struct sr_dev_inst *sdi, |
689 | const struct sr_datafeed_packet *packet) | |
690 | { | |
691 | assert(sdi); | |
692 | assert(packet); | |
693 | ||
694 | switch (packet->type) { | |
695 | case SR_DF_HEADER: | |
eec446e1 | 696 | feed_in_header(sdi); |
b0e1d01d JH |
697 | break; |
698 | ||
be73bdfa | 699 | case SR_DF_META: |
aba1dd16 | 700 | assert(packet->payload); |
be73bdfa JH |
701 | feed_in_meta(sdi, |
702 | *(const sr_datafeed_meta*)packet->payload); | |
aba1dd16 JH |
703 | break; |
704 | ||
2e2946fe | 705 | case SR_DF_LOGIC: |
28a4c9c5 | 706 | assert(packet->payload); |
9c112671 | 707 | feed_in_logic(*(const sr_datafeed_logic*)packet->payload); |
2953961c JH |
708 | break; |
709 | ||
aba1dd16 JH |
710 | case SR_DF_ANALOG: |
711 | assert(packet->payload); | |
712 | feed_in_analog(*(const sr_datafeed_analog*)packet->payload); | |
713 | break; | |
714 | ||
2953961c | 715 | case SR_DF_END: |
2e2946fe JH |
716 | { |
717 | { | |
718 | lock_guard<mutex> lock(_data_mutex); | |
719 | _cur_logic_snapshot.reset(); | |
aba1dd16 | 720 | _cur_analog_snapshot.reset(); |
2e2946fe | 721 | } |
04abfae9 | 722 | data_updated(); |
2953961c JH |
723 | break; |
724 | } | |
2e2946fe | 725 | } |
2953961c JH |
726 | } |
727 | ||
04abfae9 | 728 | void SigSession::data_feed_in_proc(const struct sr_dev_inst *sdi, |
5045f16d | 729 | const struct sr_datafeed_packet *packet, void *cb_data) |
2953961c | 730 | { |
5045f16d | 731 | (void) cb_data; |
04abfae9 JH |
732 | assert(_session); |
733 | _session->data_feed_in(sdi, packet); | |
2953961c | 734 | } |
51e77110 JH |
735 | |
736 | } // namespace pv |