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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 | ||
387 | shared_ptr<view::Signal> signal; | |
388 | unsigned int logic_probe_count = 0; | |
389 | unsigned int analog_probe_count = 0; | |
390 | ||
82c7f640 JH |
391 | // Clear the decode traces |
392 | _decode_traces.clear(); | |
393 | ||
b087ba7f | 394 | // Detect what data types we will receive |
b698553c JH |
395 | if(sdi) { |
396 | for (const GSList *l = sdi->probes; l; l = l->next) { | |
b087ba7f JH |
397 | const sr_probe *const probe = (const sr_probe *)l->data; |
398 | if (!probe->enabled) | |
399 | continue; | |
400 | ||
401 | switch(probe->type) { | |
402 | case SR_PROBE_LOGIC: | |
403 | logic_probe_count++; | |
404 | break; | |
405 | ||
406 | case SR_PROBE_ANALOG: | |
407 | analog_probe_count++; | |
408 | break; | |
409 | } | |
410 | } | |
411 | } | |
412 | ||
413 | // Create data containers for the data snapshots | |
414 | { | |
415 | lock_guard<mutex> data_lock(_data_mutex); | |
416 | ||
417 | _logic_data.reset(); | |
418 | if (logic_probe_count != 0) { | |
419 | _logic_data.reset(new data::Logic( | |
420 | logic_probe_count)); | |
421 | assert(_logic_data); | |
422 | } | |
423 | ||
424 | _analog_data.reset(); | |
425 | if (analog_probe_count != 0) { | |
426 | _analog_data.reset(new data::Analog()); | |
427 | assert(_analog_data); | |
428 | } | |
429 | } | |
430 | ||
431 | // Make the Signals list | |
432 | { | |
433 | lock_guard<mutex> lock(_signals_mutex); | |
434 | ||
435 | _signals.clear(); | |
436 | ||
b698553c JH |
437 | if(sdi) { |
438 | for (const GSList *l = sdi->probes; l; l = l->next) { | |
aca00b1e | 439 | sr_probe *const probe = (sr_probe *)l->data; |
b087ba7f | 440 | assert(probe); |
b087ba7f JH |
441 | |
442 | switch(probe->type) { | |
443 | case SR_PROBE_LOGIC: | |
444 | signal = shared_ptr<view::Signal>( | |
c0f86852 | 445 | new view::LogicSignal(*this, probe, |
cec48d16 | 446 | _logic_data)); |
b087ba7f JH |
447 | break; |
448 | ||
449 | case SR_PROBE_ANALOG: | |
450 | signal = shared_ptr<view::Signal>( | |
c0f86852 | 451 | new view::AnalogSignal(*this, probe, |
cec48d16 | 452 | _analog_data)); |
b087ba7f JH |
453 | break; |
454 | } | |
455 | ||
456 | _signals.push_back(signal); | |
457 | } | |
458 | } | |
459 | } | |
460 | ||
461 | signals_changed(); | |
462 | } | |
463 | ||
2b49eeb0 JH |
464 | bool SigSession::is_trigger_enabled() const |
465 | { | |
466 | assert(_sdi); | |
467 | for (const GSList *l = _sdi->probes; l; l = l->next) { | |
468 | const sr_probe *const p = (const sr_probe *)l->data; | |
469 | assert(p); | |
470 | if (p->trigger && p->trigger[0] != '\0') | |
471 | return true; | |
472 | } | |
473 | ||
474 | return false; | |
475 | } | |
476 | ||
deef291c JH |
477 | void SigSession::read_sample_rate(const sr_dev_inst *const sdi) |
478 | { | |
479 | GVariant *gvar; | |
480 | uint64_t sample_rate = 0; | |
481 | ||
482 | // Read out the sample rate | |
483 | if(sdi->driver) | |
484 | { | |
68162c29 BV |
485 | const int ret = sr_config_get(sdi->driver, sdi, NULL, |
486 | SR_CONF_SAMPLERATE, &gvar); | |
deef291c JH |
487 | if (ret != SR_OK) { |
488 | qDebug("Failed to get samplerate\n"); | |
489 | return; | |
490 | } | |
491 | ||
492 | sample_rate = g_variant_get_uint64(gvar); | |
493 | g_variant_unref(gvar); | |
494 | } | |
495 | ||
496 | if(_analog_data) | |
497 | _analog_data->set_samplerate(sample_rate); | |
498 | if(_logic_data) | |
499 | _logic_data->set_samplerate(sample_rate); | |
500 | } | |
501 | ||
e8c9f8a5 | 502 | void SigSession::load_session_thread_proc( |
f2edb557 | 503 | function<void (const QString)> error_handler) |
8a67bd9e | 504 | { |
e8c9f8a5 | 505 | (void)error_handler; |
728e5ef7 | 506 | |
e8c9f8a5 JH |
507 | sr_session_datafeed_callback_add(data_feed_in_proc, NULL); |
508 | ||
509 | set_capture_state(Running); | |
510 | ||
511 | sr_session_run(); | |
512 | ||
513 | sr_session_destroy(); | |
514 | set_capture_state(Stopped); | |
515 | ||
516 | // Confirm that SR_DF_END was received | |
517 | assert(!_cur_logic_snapshot); | |
518 | assert(!_cur_analog_snapshot); | |
519 | } | |
520 | ||
521 | void SigSession::load_input_thread_proc(const string name, | |
522 | sr_input *in, function<void (const QString)> error_handler) | |
523 | { | |
524 | (void)error_handler; | |
525 | ||
526 | assert(in); | |
527 | assert(in->format); | |
8a67bd9e | 528 | |
5045f16d | 529 | sr_session_datafeed_callback_add(data_feed_in_proc, NULL); |
8a67bd9e | 530 | |
8a67bd9e JH |
531 | set_capture_state(Running); |
532 | ||
e8c9f8a5 | 533 | in->format->loadfile(in, name.c_str()); |
8a67bd9e | 534 | |
728e5ef7 | 535 | sr_session_destroy(); |
8a67bd9e | 536 | set_capture_state(Stopped); |
1a2fe44c JH |
537 | |
538 | // Confirm that SR_DF_END was received | |
539 | assert(!_cur_logic_snapshot); | |
540 | assert(!_cur_analog_snapshot); | |
728e5ef7 JH |
541 | |
542 | delete in; | |
8a67bd9e JH |
543 | } |
544 | ||
2e2946fe | 545 | void SigSession::sample_thread_proc(struct sr_dev_inst *sdi, |
f2edb557 JH |
546 | uint64_t record_length, |
547 | function<void (const QString)> error_handler) | |
274d4f13 | 548 | { |
be73bdfa | 549 | assert(sdi); |
f2edb557 | 550 | assert(error_handler); |
be73bdfa | 551 | |
274d4f13 | 552 | sr_session_new(); |
5045f16d | 553 | sr_session_datafeed_callback_add(data_feed_in_proc, NULL); |
274d4f13 JH |
554 | |
555 | if (sr_session_dev_add(sdi) != SR_OK) { | |
f2edb557 | 556 | error_handler(tr("Failed to use device.")); |
274d4f13 JH |
557 | sr_session_destroy(); |
558 | return; | |
559 | } | |
560 | ||
be73bdfa | 561 | // Set the sample limit |
68162c29 | 562 | if (sr_config_set(sdi, NULL, SR_CONF_LIMIT_SAMPLES, |
8eb9d311 | 563 | g_variant_new_uint64(record_length)) != SR_OK) { |
f2edb557 JH |
564 | error_handler(tr("Failed to configure " |
565 | "time-based sample limit.")); | |
274d4f13 JH |
566 | sr_session_destroy(); |
567 | return; | |
568 | } | |
569 | ||
eec446e1 | 570 | if (sr_session_start() != SR_OK) { |
f2edb557 | 571 | error_handler(tr("Failed to start session.")); |
eec446e1 JH |
572 | return; |
573 | } | |
574 | ||
2b49eeb0 | 575 | set_capture_state(is_trigger_enabled() ? AwaitingTrigger : Running); |
eec446e1 JH |
576 | |
577 | sr_session_run(); | |
578 | sr_session_destroy(); | |
579 | ||
580 | set_capture_state(Stopped); | |
1a2fe44c JH |
581 | |
582 | // Confirm that SR_DF_END was received | |
583 | assert(!_cur_logic_snapshot); | |
584 | assert(!_cur_analog_snapshot); | |
eec446e1 JH |
585 | } |
586 | ||
587 | void SigSession::feed_in_header(const sr_dev_inst *sdi) | |
588 | { | |
deef291c | 589 | read_sample_rate(sdi); |
be73bdfa JH |
590 | } |
591 | ||
592 | void SigSession::feed_in_meta(const sr_dev_inst *sdi, | |
593 | const sr_datafeed_meta &meta) | |
594 | { | |
94fe58ef UH |
595 | (void)sdi; |
596 | ||
be73bdfa JH |
597 | for (const GSList *l = meta.config; l; l = l->next) { |
598 | const sr_config *const src = (const sr_config*)l->data; | |
599 | switch (src->key) { | |
600 | case SR_CONF_SAMPLERATE: | |
601 | /// @todo handle samplerate changes | |
602 | /// samplerate = (uint64_t *)src->value; | |
603 | break; | |
604 | default: | |
605 | // Unknown metadata is not an error. | |
606 | break; | |
607 | } | |
aba1dd16 | 608 | } |
74043039 JH |
609 | |
610 | signals_changed(); | |
aba1dd16 JH |
611 | } |
612 | ||
9c112671 JH |
613 | void SigSession::feed_in_logic(const sr_datafeed_logic &logic) |
614 | { | |
615 | lock_guard<mutex> lock(_data_mutex); | |
79efbc53 JH |
616 | |
617 | if (!_logic_data) | |
9c112671 | 618 | { |
79efbc53 JH |
619 | qDebug() << "Unexpected logic packet"; |
620 | return; | |
621 | } | |
be73bdfa | 622 | |
79efbc53 JH |
623 | if (!_cur_logic_snapshot) |
624 | { | |
2b49eeb0 JH |
625 | set_capture_state(Running); |
626 | ||
9c112671 | 627 | // Create a new data snapshot |
1b1ec774 JH |
628 | _cur_logic_snapshot = shared_ptr<data::LogicSnapshot>( |
629 | new data::LogicSnapshot(logic)); | |
9c112671 JH |
630 | _logic_data->push_snapshot(_cur_logic_snapshot); |
631 | } | |
632 | else | |
633 | { | |
634 | // Append to the existing data snapshot | |
635 | _cur_logic_snapshot->append_payload(logic); | |
636 | } | |
637 | ||
638 | data_updated(); | |
639 | } | |
640 | ||
aba1dd16 JH |
641 | void SigSession::feed_in_analog(const sr_datafeed_analog &analog) |
642 | { | |
643 | lock_guard<mutex> lock(_data_mutex); | |
79efbc53 JH |
644 | |
645 | if(!_analog_data) | |
aba1dd16 | 646 | { |
79efbc53 JH |
647 | qDebug() << "Unexpected analog packet"; |
648 | return; // This analog packet was not expected. | |
649 | } | |
be73bdfa | 650 | |
79efbc53 JH |
651 | if (!_cur_analog_snapshot) |
652 | { | |
2b49eeb0 JH |
653 | set_capture_state(Running); |
654 | ||
aba1dd16 | 655 | // Create a new data snapshot |
1b1ec774 JH |
656 | _cur_analog_snapshot = shared_ptr<data::AnalogSnapshot>( |
657 | new data::AnalogSnapshot(analog)); | |
aba1dd16 JH |
658 | _analog_data->push_snapshot(_cur_analog_snapshot); |
659 | } | |
660 | else | |
661 | { | |
662 | // Append to the existing data snapshot | |
663 | _cur_analog_snapshot->append_payload(analog); | |
664 | } | |
665 | ||
666 | data_updated(); | |
667 | } | |
9c112671 | 668 | |
b0e1d01d JH |
669 | void SigSession::data_feed_in(const struct sr_dev_inst *sdi, |
670 | const struct sr_datafeed_packet *packet) | |
671 | { | |
672 | assert(sdi); | |
673 | assert(packet); | |
674 | ||
675 | switch (packet->type) { | |
676 | case SR_DF_HEADER: | |
eec446e1 | 677 | feed_in_header(sdi); |
b0e1d01d JH |
678 | break; |
679 | ||
be73bdfa | 680 | case SR_DF_META: |
aba1dd16 | 681 | assert(packet->payload); |
be73bdfa JH |
682 | feed_in_meta(sdi, |
683 | *(const sr_datafeed_meta*)packet->payload); | |
aba1dd16 JH |
684 | break; |
685 | ||
2e2946fe | 686 | case SR_DF_LOGIC: |
28a4c9c5 | 687 | assert(packet->payload); |
9c112671 | 688 | feed_in_logic(*(const sr_datafeed_logic*)packet->payload); |
2953961c JH |
689 | break; |
690 | ||
aba1dd16 JH |
691 | case SR_DF_ANALOG: |
692 | assert(packet->payload); | |
693 | feed_in_analog(*(const sr_datafeed_analog*)packet->payload); | |
694 | break; | |
695 | ||
2953961c | 696 | case SR_DF_END: |
2e2946fe JH |
697 | { |
698 | { | |
699 | lock_guard<mutex> lock(_data_mutex); | |
700 | _cur_logic_snapshot.reset(); | |
aba1dd16 | 701 | _cur_analog_snapshot.reset(); |
2e2946fe | 702 | } |
04abfae9 | 703 | data_updated(); |
2953961c JH |
704 | break; |
705 | } | |
2e2946fe | 706 | } |
2953961c JH |
707 | } |
708 | ||
04abfae9 | 709 | void SigSession::data_feed_in_proc(const struct sr_dev_inst *sdi, |
5045f16d | 710 | const struct sr_datafeed_packet *packet, void *cb_data) |
2953961c | 711 | { |
5045f16d | 712 | (void) cb_data; |
04abfae9 JH |
713 | assert(_session); |
714 | _session->data_feed_in(sdi, packet); | |
2953961c | 715 | } |
51e77110 JH |
716 | |
717 | } // namespace pv |