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Commit | Line | Data |
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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" |
921b90c0 | 28 | #include "device/device.h" |
ae2d1bc5 | 29 | #include "device/file.h" |
119aff65 | 30 | |
1b1ec774 JH |
31 | #include "data/analog.h" |
32 | #include "data/analogsnapshot.h" | |
6e89374a | 33 | #include "data/decoderstack.h" |
1b1ec774 JH |
34 | #include "data/logic.h" |
35 | #include "data/logicsnapshot.h" | |
7491a29f | 36 | #include "data/decode/decoder.h" |
82c7f640 | 37 | |
aba1dd16 | 38 | #include "view/analogsignal.h" |
b9329558 | 39 | #include "view/decodetrace.h" |
8d634081 | 40 | #include "view/logicsignal.h" |
28a4c9c5 | 41 | |
3b68d03d JH |
42 | #include <cassert> |
43 | #include <mutex> | |
e92cd4e4 JH |
44 | #include <stdexcept> |
45 | ||
728e5ef7 JH |
46 | #include <sys/stat.h> |
47 | ||
79efbc53 JH |
48 | #include <QDebug> |
49 | ||
f9abf97e | 50 | using std::dynamic_pointer_cast; |
d2344534 | 51 | using std::function; |
3b68d03d JH |
52 | using std::lock_guard; |
53 | using std::mutex; | |
d873f4d6 | 54 | using std::list; |
819f4c25 | 55 | using std::map; |
02412f0b | 56 | using std::set; |
f9abf97e | 57 | using std::shared_ptr; |
819f4c25 JH |
58 | using std::string; |
59 | using std::vector; | |
28a4c9c5 | 60 | |
51e77110 JH |
61 | namespace pv { |
62 | ||
2953961c | 63 | // TODO: This should not be necessary |
04abfae9 | 64 | SigSession* SigSession::_session = NULL; |
2953961c | 65 | |
dc0867ff JH |
66 | SigSession::SigSession(DeviceManager &device_manager) : |
67 | _device_manager(device_manager), | |
5b7cf66c | 68 | _capture_state(Stopped) |
2953961c JH |
69 | { |
70 | // TODO: This should not be necessary | |
04abfae9 | 71 | _session = this; |
d873f4d6 JH |
72 | |
73 | set_default_device(); | |
2953961c JH |
74 | } |
75 | ||
76 | SigSession::~SigSession() | |
77 | { | |
85843b14 JH |
78 | using pv::device::Device; |
79 | ||
04463625 | 80 | // Stop and join to the thread |
5b7cf66c JH |
81 | stop_capture(); |
82 | ||
996b7c9d | 83 | _dev_inst->release(); |
0f784939 | 84 | |
2953961c | 85 | // TODO: This should not be necessary |
04abfae9 | 86 | _session = NULL; |
2953961c JH |
87 | } |
88 | ||
94574501 | 89 | shared_ptr<device::DevInst> SigSession::get_device() const |
dc0867ff | 90 | { |
19adbc2c | 91 | return _dev_inst; |
dc0867ff JH |
92 | } |
93 | ||
ae2d1bc5 JH |
94 | void SigSession::set_device( |
95 | shared_ptr<device::DevInst> dev_inst) throw(QString) | |
d64d1596 | 96 | { |
85843b14 JH |
97 | using pv::device::Device; |
98 | ||
82596f46 JH |
99 | // Ensure we are not capturing before setting the device |
100 | stop_capture(); | |
101 | ||
ae2d1bc5 JH |
102 | if (_dev_inst) { |
103 | sr_session_datafeed_callback_remove_all(); | |
996b7c9d | 104 | _dev_inst->release(); |
ae2d1bc5 JH |
105 | } |
106 | ||
107 | _dev_inst = dev_inst; | |
108 | _decode_traces.clear(); | |
85843b14 | 109 | |
ae2d1bc5 | 110 | if (dev_inst) { |
996b7c9d | 111 | dev_inst->use(this); |
ae2d1bc5 JH |
112 | sr_session_datafeed_callback_add(data_feed_in_proc, NULL); |
113 | update_signals(dev_inst); | |
114 | } | |
115 | } | |
85843b14 | 116 | |
ae2d1bc5 JH |
117 | void SigSession::set_file(const string &name) throw(QString) |
118 | { | |
5ab6596d JS |
119 | // Deselect the old device, because file type detection in File::create |
120 | // destroys the old session inside libsigrok. | |
ae2d1bc5 JH |
121 | set_device(shared_ptr<device::DevInst>()); |
122 | set_device(shared_ptr<device::DevInst>(device::File::create(name))); | |
d64d1596 JH |
123 | } |
124 | ||
6fd0b639 JH |
125 | void SigSession::set_default_device() |
126 | { | |
127 | shared_ptr<pv::device::DevInst> default_device; | |
128 | const list< shared_ptr<device::Device> > &devices = | |
129 | _device_manager.devices(); | |
130 | ||
131 | if (!devices.empty()) { | |
132 | // Fall back to the first device in the list. | |
133 | default_device = devices.front(); | |
134 | ||
135 | // Try and find the demo device and select that by default | |
d9aecf1f | 136 | for (shared_ptr<pv::device::Device> dev : devices) |
6fd0b639 JH |
137 | if (strcmp(dev->dev_inst()->driver->name, |
138 | "demo") == 0) { | |
139 | default_device = dev; | |
140 | break; | |
141 | } | |
142 | } | |
143 | ||
144 | set_device(default_device); | |
145 | } | |
146 | ||
996b7c9d | 147 | void SigSession::release_device(device::DevInst *dev_inst) |
dc0867ff | 148 | { |
19adbc2c | 149 | (void)dev_inst; |
996b7c9d | 150 | assert(_dev_inst.get() == dev_inst); |
dc0867ff JH |
151 | |
152 | assert(_capture_state == Stopped); | |
94574501 | 153 | _dev_inst = shared_ptr<device::DevInst>(); |
dc0867ff JH |
154 | } |
155 | ||
5b7cf66c JH |
156 | SigSession::capture_state SigSession::get_capture_state() const |
157 | { | |
949f8050 | 158 | lock_guard<mutex> lock(_sampling_mutex); |
5b7cf66c JH |
159 | return _capture_state; |
160 | } | |
161 | ||
d99dc9f2 | 162 | void SigSession::start_capture(function<void (const QString)> error_handler) |
2e2946fe | 163 | { |
5b7cf66c JH |
164 | stop_capture(); |
165 | ||
d64d1596 | 166 | // Check that a device instance has been selected. |
19adbc2c | 167 | if (!_dev_inst) { |
d64d1596 JH |
168 | qDebug() << "No device selected"; |
169 | return; | |
170 | } | |
171 | ||
19adbc2c JH |
172 | assert(_dev_inst->dev_inst()); |
173 | ||
9c48fa57 JH |
174 | // Check that at least one probe is enabled |
175 | const GSList *l; | |
4871ed92 UH |
176 | for (l = _dev_inst->dev_inst()->channels; l; l = l->next) { |
177 | sr_channel *const probe = (sr_channel*)l->data; | |
9c48fa57 JH |
178 | assert(probe); |
179 | if (probe->enabled) | |
180 | break; | |
181 | } | |
182 | ||
183 | if (!l) { | |
4871ed92 | 184 | error_handler(tr("No channels enabled.")); |
9c48fa57 JH |
185 | return; |
186 | } | |
187 | ||
188 | // Begin the session | |
3b68d03d | 189 | _sampling_thread = std::thread( |
19adbc2c JH |
190 | &SigSession::sample_thread_proc, this, _dev_inst, |
191 | error_handler); | |
2e2946fe JH |
192 | } |
193 | ||
5b7cf66c JH |
194 | void SigSession::stop_capture() |
195 | { | |
04463625 JH |
196 | if (get_capture_state() != Stopped) |
197 | sr_session_stop(); | |
5b7cf66c JH |
198 | |
199 | // Check that sampling stopped | |
6d483b8b MC |
200 | if (_sampling_thread.joinable()) |
201 | _sampling_thread.join(); | |
5b7cf66c JH |
202 | } |
203 | ||
02412f0b JH |
204 | set< shared_ptr<data::SignalData> > SigSession::get_data() const |
205 | { | |
206 | lock_guard<mutex> lock(_signals_mutex); | |
207 | set< shared_ptr<data::SignalData> > data; | |
d9aecf1f | 208 | for (const shared_ptr<view::Signal> sig : _signals) { |
02412f0b JH |
209 | assert(sig); |
210 | data.insert(sig->data()); | |
211 | } | |
212 | ||
213 | return data; | |
214 | } | |
215 | ||
38eeddea | 216 | vector< shared_ptr<view::Signal> > SigSession::get_signals() const |
2e2946fe | 217 | { |
3868e5fa | 218 | lock_guard<mutex> lock(_signals_mutex); |
2e2946fe JH |
219 | return _signals; |
220 | } | |
221 | ||
269528f5 | 222 | #ifdef ENABLE_DECODE |
4e5a4405 | 223 | bool SigSession::add_decoder(srd_decoder *const dec) |
82c7f640 | 224 | { |
8bd26d8b | 225 | map<const srd_channel*, shared_ptr<view::LogicSignal> > probes; |
7491a29f | 226 | shared_ptr<data::DecoderStack> decoder_stack; |
4e5a4405 | 227 | |
e92cd4e4 | 228 | try |
82c7f640 | 229 | { |
119aff65 | 230 | lock_guard<mutex> lock(_signals_mutex); |
e0fc5810 | 231 | |
4e5a4405 | 232 | // Create the decoder |
7491a29f | 233 | decoder_stack = shared_ptr<data::DecoderStack>( |
bdc5c3b0 | 234 | new data::DecoderStack(*this, dec)); |
4e5a4405 | 235 | |
d2f46d27 | 236 | // Make a list of all the probes |
8bd26d8b UH |
237 | std::vector<const srd_channel*> all_probes; |
238 | for(const GSList *i = dec->channels; i; i = i->next) | |
239 | all_probes.push_back((const srd_channel*)i->data); | |
240 | for(const GSList *i = dec->opt_channels; i; i = i->next) | |
241 | all_probes.push_back((const srd_channel*)i->data); | |
d2f46d27 JH |
242 | |
243 | // Auto select the initial probes | |
d9aecf1f JH |
244 | for (const srd_channel *pdch : all_probes) |
245 | for (shared_ptr<view::Signal> s : _signals) | |
4e5a4405 JH |
246 | { |
247 | shared_ptr<view::LogicSignal> l = | |
248 | dynamic_pointer_cast<view::LogicSignal>(s); | |
8bd26d8b | 249 | if (l && QString::fromUtf8(pdch->name). |
27e8df22 | 250 | toLower().contains( |
4e5a4405 | 251 | l->get_name().toLower())) |
8bd26d8b | 252 | probes[pdch] = l; |
4e5a4405 | 253 | } |
4e5a4405 | 254 | |
7491a29f JH |
255 | assert(decoder_stack); |
256 | assert(!decoder_stack->stack().empty()); | |
257 | assert(decoder_stack->stack().front()); | |
258 | decoder_stack->stack().front()->set_probes(probes); | |
4e5a4405 JH |
259 | |
260 | // Create the decode signal | |
b9329558 | 261 | shared_ptr<view::DecodeTrace> d( |
7491a29f | 262 | new view::DecodeTrace(*this, decoder_stack, |
06bb4e6a | 263 | _decode_traces.size())); |
82c7f640 JH |
264 | _decode_traces.push_back(d); |
265 | } | |
e92cd4e4 JH |
266 | catch(std::runtime_error e) |
267 | { | |
268 | return false; | |
269 | } | |
270 | ||
82c7f640 | 271 | signals_changed(); |
e92cd4e4 | 272 | |
7491a29f JH |
273 | // Do an initial decode |
274 | decoder_stack->begin_decode(); | |
275 | ||
e92cd4e4 | 276 | return true; |
82c7f640 JH |
277 | } |
278 | ||
b9329558 | 279 | vector< shared_ptr<view::DecodeTrace> > SigSession::get_decode_signals() const |
38eeddea JH |
280 | { |
281 | lock_guard<mutex> lock(_signals_mutex); | |
282 | return _decode_traces; | |
283 | } | |
284 | ||
b9329558 | 285 | void SigSession::remove_decode_signal(view::DecodeTrace *signal) |
c51482b3 | 286 | { |
f46e495e | 287 | for (auto i = _decode_traces.begin(); i != _decode_traces.end(); i++) |
c51482b3 JH |
288 | if ((*i).get() == signal) |
289 | { | |
290 | _decode_traces.erase(i); | |
291 | signals_changed(); | |
292 | return; | |
293 | } | |
294 | } | |
269528f5 | 295 | #endif |
c51482b3 | 296 | |
6ac96c2e JH |
297 | void SigSession::set_capture_state(capture_state state) |
298 | { | |
949f8050 | 299 | lock_guard<mutex> lock(_sampling_mutex); |
2b49eeb0 | 300 | const bool changed = _capture_state != state; |
6ac96c2e | 301 | _capture_state = state; |
2b49eeb0 JH |
302 | if(changed) |
303 | capture_state_changed(state); | |
6ac96c2e JH |
304 | } |
305 | ||
94574501 | 306 | void SigSession::update_signals(shared_ptr<device::DevInst> dev_inst) |
b087ba7f | 307 | { |
19adbc2c | 308 | assert(dev_inst); |
b087ba7f JH |
309 | assert(_capture_state == Stopped); |
310 | ||
b087ba7f | 311 | unsigned int logic_probe_count = 0; |
b087ba7f | 312 | |
82c7f640 JH |
313 | // Clear the decode traces |
314 | _decode_traces.clear(); | |
315 | ||
b087ba7f | 316 | // Detect what data types we will receive |
19adbc2c JH |
317 | if(dev_inst) { |
318 | assert(dev_inst->dev_inst()); | |
4871ed92 | 319 | for (const GSList *l = dev_inst->dev_inst()->channels; |
19adbc2c | 320 | l; l = l->next) { |
4871ed92 | 321 | const sr_channel *const probe = (const sr_channel *)l->data; |
b087ba7f JH |
322 | if (!probe->enabled) |
323 | continue; | |
324 | ||
325 | switch(probe->type) { | |
4871ed92 | 326 | case SR_CHANNEL_LOGIC: |
b087ba7f JH |
327 | logic_probe_count++; |
328 | break; | |
b087ba7f JH |
329 | } |
330 | } | |
331 | } | |
332 | ||
bb2cdfff | 333 | // Create data containers for the logic data snapshots |
b087ba7f JH |
334 | { |
335 | lock_guard<mutex> data_lock(_data_mutex); | |
336 | ||
337 | _logic_data.reset(); | |
338 | if (logic_probe_count != 0) { | |
339 | _logic_data.reset(new data::Logic( | |
340 | logic_probe_count)); | |
341 | assert(_logic_data); | |
342 | } | |
b087ba7f JH |
343 | } |
344 | ||
345 | // Make the Signals list | |
39e680c2 | 346 | do { |
b087ba7f JH |
347 | lock_guard<mutex> lock(_signals_mutex); |
348 | ||
349 | _signals.clear(); | |
350 | ||
19adbc2c | 351 | if(!dev_inst) |
39e680c2 JH |
352 | break; |
353 | ||
19adbc2c | 354 | assert(dev_inst->dev_inst()); |
4871ed92 | 355 | for (const GSList *l = dev_inst->dev_inst()->channels; |
19adbc2c | 356 | l; l = l->next) { |
39e680c2 | 357 | shared_ptr<view::Signal> signal; |
4871ed92 | 358 | sr_channel *const probe = (sr_channel *)l->data; |
39e680c2 JH |
359 | assert(probe); |
360 | ||
361 | switch(probe->type) { | |
4871ed92 | 362 | case SR_CHANNEL_LOGIC: |
39e680c2 | 363 | signal = shared_ptr<view::Signal>( |
83c23cc9 | 364 | new view::LogicSignal(dev_inst, |
8d3e0764 | 365 | probe, _logic_data)); |
39e680c2 JH |
366 | break; |
367 | ||
4871ed92 | 368 | case SR_CHANNEL_ANALOG: |
bb2cdfff JH |
369 | { |
370 | shared_ptr<data::Analog> data( | |
371 | new data::Analog()); | |
39e680c2 | 372 | signal = shared_ptr<view::Signal>( |
83c23cc9 | 373 | new view::AnalogSignal(dev_inst, |
8d3e0764 | 374 | probe, data)); |
39e680c2 | 375 | break; |
bb2cdfff | 376 | } |
39e680c2 JH |
377 | |
378 | default: | |
379 | assert(0); | |
380 | break; | |
b087ba7f | 381 | } |
39e680c2 JH |
382 | |
383 | assert(signal); | |
384 | _signals.push_back(signal); | |
b087ba7f | 385 | } |
39e680c2 JH |
386 | |
387 | } while(0); | |
b087ba7f JH |
388 | |
389 | signals_changed(); | |
390 | } | |
391 | ||
3ddcc083 | 392 | shared_ptr<view::Signal> SigSession::signal_from_probe( |
4871ed92 | 393 | const sr_channel *probe) const |
3ddcc083 JH |
394 | { |
395 | lock_guard<mutex> lock(_signals_mutex); | |
d9aecf1f | 396 | for (shared_ptr<view::Signal> sig : _signals) { |
3ddcc083 JH |
397 | assert(sig); |
398 | if (sig->probe() == probe) | |
399 | return sig; | |
400 | } | |
401 | return shared_ptr<view::Signal>(); | |
402 | } | |
403 | ||
deef291c JH |
404 | void SigSession::read_sample_rate(const sr_dev_inst *const sdi) |
405 | { | |
406 | GVariant *gvar; | |
407 | uint64_t sample_rate = 0; | |
408 | ||
409 | // Read out the sample rate | |
410 | if(sdi->driver) | |
411 | { | |
68162c29 BV |
412 | const int ret = sr_config_get(sdi->driver, sdi, NULL, |
413 | SR_CONF_SAMPLERATE, &gvar); | |
deef291c JH |
414 | if (ret != SR_OK) { |
415 | qDebug("Failed to get samplerate\n"); | |
416 | return; | |
417 | } | |
418 | ||
419 | sample_rate = g_variant_get_uint64(gvar); | |
420 | g_variant_unref(gvar); | |
421 | } | |
422 | ||
bb2cdfff JH |
423 | // Set the sample rate of all data |
424 | const set< shared_ptr<data::SignalData> > data_set = get_data(); | |
d9aecf1f | 425 | for (shared_ptr<data::SignalData> data : data_set) { |
bb2cdfff JH |
426 | assert(data); |
427 | data->set_samplerate(sample_rate); | |
428 | } | |
deef291c JH |
429 | } |
430 | ||
94574501 | 431 | void SigSession::sample_thread_proc(shared_ptr<device::DevInst> dev_inst, |
f2edb557 | 432 | function<void (const QString)> error_handler) |
274d4f13 | 433 | { |
19adbc2c JH |
434 | assert(dev_inst); |
435 | assert(dev_inst->dev_inst()); | |
f2edb557 | 436 | assert(error_handler); |
be73bdfa | 437 | |
ae2d1bc5 | 438 | read_sample_rate(dev_inst->dev_inst()); |
274d4f13 | 439 | |
ae2d1bc5 JH |
440 | try { |
441 | dev_inst->start(); | |
442 | } catch(const QString e) { | |
443 | error_handler(e); | |
eec446e1 JH |
444 | return; |
445 | } | |
446 | ||
b1e8c93d | 447 | set_capture_state(sr_session_trigger_get() ? |
07dcf561 | 448 | AwaitingTrigger : Running); |
eec446e1 | 449 | |
ae2d1bc5 | 450 | dev_inst->run(); |
eec446e1 | 451 | set_capture_state(Stopped); |
1a2fe44c JH |
452 | |
453 | // Confirm that SR_DF_END was received | |
bb2cdfff JH |
454 | if (_cur_logic_snapshot) |
455 | { | |
456 | qDebug("SR_DF_END was not received."); | |
457 | assert(0); | |
458 | } | |
eec446e1 JH |
459 | } |
460 | ||
461 | void SigSession::feed_in_header(const sr_dev_inst *sdi) | |
462 | { | |
deef291c | 463 | read_sample_rate(sdi); |
be73bdfa JH |
464 | } |
465 | ||
466 | void SigSession::feed_in_meta(const sr_dev_inst *sdi, | |
467 | const sr_datafeed_meta &meta) | |
468 | { | |
94fe58ef UH |
469 | (void)sdi; |
470 | ||
be73bdfa JH |
471 | for (const GSList *l = meta.config; l; l = l->next) { |
472 | const sr_config *const src = (const sr_config*)l->data; | |
473 | switch (src->key) { | |
474 | case SR_CONF_SAMPLERATE: | |
475 | /// @todo handle samplerate changes | |
476 | /// samplerate = (uint64_t *)src->value; | |
477 | break; | |
478 | default: | |
479 | // Unknown metadata is not an error. | |
480 | break; | |
481 | } | |
aba1dd16 | 482 | } |
74043039 JH |
483 | |
484 | signals_changed(); | |
aba1dd16 JH |
485 | } |
486 | ||
82f50b10 JH |
487 | void SigSession::feed_in_frame_begin() |
488 | { | |
489 | if (_cur_logic_snapshot || !_cur_analog_snapshots.empty()) | |
490 | frame_began(); | |
491 | } | |
492 | ||
9c112671 JH |
493 | void SigSession::feed_in_logic(const sr_datafeed_logic &logic) |
494 | { | |
495 | lock_guard<mutex> lock(_data_mutex); | |
79efbc53 JH |
496 | |
497 | if (!_logic_data) | |
9c112671 | 498 | { |
79efbc53 JH |
499 | qDebug() << "Unexpected logic packet"; |
500 | return; | |
501 | } | |
be73bdfa | 502 | |
79efbc53 JH |
503 | if (!_cur_logic_snapshot) |
504 | { | |
bb2cdfff | 505 | // This could be the first packet after a trigger |
2b49eeb0 JH |
506 | set_capture_state(Running); |
507 | ||
9c112671 | 508 | // Create a new data snapshot |
1b1ec774 | 509 | _cur_logic_snapshot = shared_ptr<data::LogicSnapshot>( |
27d7c96b | 510 | new data::LogicSnapshot(logic, _dev_inst->get_sample_limit())); |
9c112671 | 511 | _logic_data->push_snapshot(_cur_logic_snapshot); |
82f50b10 JH |
512 | |
513 | // @todo Putting this here means that only listeners querying | |
514 | // for logic will be notified. Currently the only user of | |
515 | // frame_began is DecoderStack, but in future we need to signal | |
516 | // this after both analog and logic sweeps have begun. | |
517 | frame_began(); | |
9c112671 JH |
518 | } |
519 | else | |
520 | { | |
521 | // Append to the existing data snapshot | |
522 | _cur_logic_snapshot->append_payload(logic); | |
523 | } | |
524 | ||
1f374035 | 525 | data_received(); |
9c112671 JH |
526 | } |
527 | ||
aba1dd16 JH |
528 | void SigSession::feed_in_analog(const sr_datafeed_analog &analog) |
529 | { | |
530 | lock_guard<mutex> lock(_data_mutex); | |
79efbc53 | 531 | |
4871ed92 | 532 | const unsigned int probe_count = g_slist_length(analog.channels); |
bb2cdfff JH |
533 | const size_t sample_count = analog.num_samples / probe_count; |
534 | const float *data = analog.data; | |
535 | bool sweep_beginning = false; | |
be73bdfa | 536 | |
4871ed92 | 537 | for (GSList *p = analog.channels; p; p = p->next) |
79efbc53 | 538 | { |
bb2cdfff | 539 | shared_ptr<data::AnalogSnapshot> snapshot; |
2b49eeb0 | 540 | |
4871ed92 | 541 | sr_channel *const probe = (sr_channel*)p->data; |
bb2cdfff JH |
542 | assert(probe); |
543 | ||
544 | // Try to get the snapshot of the probe | |
4871ed92 | 545 | const map< const sr_channel*, shared_ptr<data::AnalogSnapshot> >:: |
bb2cdfff JH |
546 | iterator iter = _cur_analog_snapshots.find(probe); |
547 | if (iter != _cur_analog_snapshots.end()) | |
548 | snapshot = (*iter).second; | |
549 | else | |
550 | { | |
551 | // If no snapshot was found, this means we havn't | |
552 | // created one yet. i.e. this is the first packet | |
553 | // in the sweep containing this snapshot. | |
554 | sweep_beginning = true; | |
555 | ||
556 | // Create a snapshot, keep it in the maps of probes | |
557 | snapshot = shared_ptr<data::AnalogSnapshot>( | |
27d7c96b | 558 | new data::AnalogSnapshot(_dev_inst->get_sample_limit())); |
bb2cdfff JH |
559 | _cur_analog_snapshots[probe] = snapshot; |
560 | ||
561 | // Find the annalog data associated with the probe | |
562 | shared_ptr<view::AnalogSignal> sig = | |
563 | dynamic_pointer_cast<view::AnalogSignal>( | |
564 | signal_from_probe(probe)); | |
565 | assert(sig); | |
566 | ||
567 | shared_ptr<data::Analog> data(sig->analog_data()); | |
568 | assert(data); | |
569 | ||
570 | // Push the snapshot into the analog data. | |
571 | data->push_snapshot(snapshot); | |
572 | } | |
573 | ||
574 | assert(snapshot); | |
575 | ||
576 | // Append the samples in the snapshot | |
577 | snapshot->append_interleaved_samples(data++, sample_count, | |
578 | probe_count); | |
aba1dd16 | 579 | } |
bb2cdfff JH |
580 | |
581 | if (sweep_beginning) { | |
582 | // This could be the first packet after a trigger | |
583 | set_capture_state(Running); | |
aba1dd16 JH |
584 | } |
585 | ||
1f374035 | 586 | data_received(); |
aba1dd16 | 587 | } |
9c112671 | 588 | |
b0e1d01d JH |
589 | void SigSession::data_feed_in(const struct sr_dev_inst *sdi, |
590 | const struct sr_datafeed_packet *packet) | |
591 | { | |
592 | assert(sdi); | |
593 | assert(packet); | |
594 | ||
595 | switch (packet->type) { | |
596 | case SR_DF_HEADER: | |
eec446e1 | 597 | feed_in_header(sdi); |
b0e1d01d JH |
598 | break; |
599 | ||
be73bdfa | 600 | case SR_DF_META: |
aba1dd16 | 601 | assert(packet->payload); |
be73bdfa JH |
602 | feed_in_meta(sdi, |
603 | *(const sr_datafeed_meta*)packet->payload); | |
aba1dd16 JH |
604 | break; |
605 | ||
82f50b10 JH |
606 | case SR_DF_FRAME_BEGIN: |
607 | feed_in_frame_begin(); | |
608 | break; | |
609 | ||
2e2946fe | 610 | case SR_DF_LOGIC: |
28a4c9c5 | 611 | assert(packet->payload); |
9c112671 | 612 | feed_in_logic(*(const sr_datafeed_logic*)packet->payload); |
2953961c JH |
613 | break; |
614 | ||
aba1dd16 JH |
615 | case SR_DF_ANALOG: |
616 | assert(packet->payload); | |
617 | feed_in_analog(*(const sr_datafeed_analog*)packet->payload); | |
618 | break; | |
619 | ||
2953961c | 620 | case SR_DF_END: |
2e2946fe JH |
621 | { |
622 | { | |
623 | lock_guard<mutex> lock(_data_mutex); | |
624 | _cur_logic_snapshot.reset(); | |
bb2cdfff | 625 | _cur_analog_snapshots.clear(); |
2e2946fe | 626 | } |
1f374035 | 627 | frame_ended(); |
2953961c JH |
628 | break; |
629 | } | |
2e2946fe | 630 | } |
2953961c JH |
631 | } |
632 | ||
04abfae9 | 633 | void SigSession::data_feed_in_proc(const struct sr_dev_inst *sdi, |
5045f16d | 634 | const struct sr_datafeed_packet *packet, void *cb_data) |
2953961c | 635 | { |
5045f16d | 636 | (void) cb_data; |
04abfae9 JH |
637 | assert(_session); |
638 | _session->data_feed_in(sdi, packet); | |
2953961c | 639 | } |
51e77110 JH |
640 | |
641 | } // namespace pv |