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1 | /* | |
2 | * This file is part of the PulseView project. | |
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 <extdef.h> | |
22 | ||
23 | #include <assert.h> | |
24 | ||
25 | #include <QAction> | |
26 | #include <QDebug> | |
27 | #include <QHelpEvent> | |
28 | #include <QToolTip> | |
29 | ||
30 | #include "mainbar.hpp" | |
31 | ||
32 | #include <pv/devicemanager.hpp> | |
33 | #include <pv/mainwindow.hpp> | |
34 | #include <pv/popups/deviceoptions.hpp> | |
35 | #include <pv/popups/channels.hpp> | |
36 | #include <pv/util.hpp> | |
37 | ||
38 | #include <libsigrok/libsigrok.hpp> | |
39 | ||
40 | using std::map; | |
41 | using std::vector; | |
42 | using std::max; | |
43 | using std::min; | |
44 | using std::shared_ptr; | |
45 | using std::string; | |
46 | ||
47 | using sigrok::Capability; | |
48 | using sigrok::ConfigKey; | |
49 | using sigrok::Device; | |
50 | using sigrok::Error; | |
51 | ||
52 | namespace pv { | |
53 | namespace toolbars { | |
54 | ||
55 | const uint64_t MainBar::MinSampleCount = 100ULL; | |
56 | const uint64_t MainBar::MaxSampleCount = 1000000000000ULL; | |
57 | const uint64_t MainBar::DefaultSampleCount = 1000000; | |
58 | ||
59 | MainBar::MainBar(Session &session, MainWindow &main_window) : | |
60 | QToolBar("Sampling Bar", &main_window), | |
61 | session_(session), | |
62 | main_window_(main_window), | |
63 | device_selector_(this), | |
64 | updating_device_selector_(false), | |
65 | configure_button_(this), | |
66 | configure_button_action_(NULL), | |
67 | channels_button_(this), | |
68 | sample_count_(" samples", this), | |
69 | sample_rate_("Hz", this), | |
70 | updating_sample_rate_(false), | |
71 | updating_sample_count_(false), | |
72 | sample_count_supported_(false), | |
73 | icon_red_(":/icons/status-red.svg"), | |
74 | icon_green_(":/icons/status-green.svg"), | |
75 | icon_grey_(":/icons/status-grey.svg"), | |
76 | run_stop_button_(this) | |
77 | { | |
78 | setObjectName(QString::fromUtf8("MainBar")); | |
79 | ||
80 | setMovable(false); | |
81 | setFloatable(false); | |
82 | ||
83 | connect(&run_stop_button_, SIGNAL(clicked()), | |
84 | this, SLOT(on_run_stop())); | |
85 | connect(&device_selector_, SIGNAL(currentIndexChanged (int)), | |
86 | this, SLOT(on_device_selected())); | |
87 | connect(&sample_count_, SIGNAL(value_changed()), | |
88 | this, SLOT(on_sample_count_changed())); | |
89 | connect(&sample_rate_, SIGNAL(value_changed()), | |
90 | this, SLOT(on_sample_rate_changed())); | |
91 | ||
92 | sample_count_.show_min_max_step(0, UINT64_MAX, 1); | |
93 | ||
94 | set_capture_state(pv::Session::Stopped); | |
95 | ||
96 | configure_button_.setIcon(QIcon::fromTheme("configure", | |
97 | QIcon(":/icons/configure.png"))); | |
98 | ||
99 | channels_button_.setIcon(QIcon::fromTheme("channels", | |
100 | QIcon(":/icons/channels.svg"))); | |
101 | ||
102 | run_stop_button_.setToolButtonStyle(Qt::ToolButtonTextBesideIcon); | |
103 | ||
104 | addWidget(&device_selector_); | |
105 | configure_button_action_ = addWidget(&configure_button_); | |
106 | addWidget(&channels_button_); | |
107 | addWidget(&sample_count_); | |
108 | addWidget(&sample_rate_); | |
109 | ||
110 | addWidget(&run_stop_button_); | |
111 | ||
112 | sample_count_.installEventFilter(this); | |
113 | sample_rate_.installEventFilter(this); | |
114 | } | |
115 | ||
116 | void MainBar::set_device_list( | |
117 | const std::list< std::shared_ptr<sigrok::Device> > &devices, | |
118 | shared_ptr<Device> selected) | |
119 | { | |
120 | int selected_index = -1; | |
121 | ||
122 | assert(selected); | |
123 | ||
124 | updating_device_selector_ = true; | |
125 | ||
126 | device_selector_.clear(); | |
127 | ||
128 | for (auto device : devices) { | |
129 | assert(device); | |
130 | ||
131 | string display_name = | |
132 | session_.device_manager().get_display_name(device); | |
133 | ||
134 | if (selected == device) | |
135 | selected_index = device_selector_.count(); | |
136 | ||
137 | device_selector_.addItem(display_name.c_str(), | |
138 | qVariantFromValue(device)); | |
139 | } | |
140 | ||
141 | // The selected device should have been in the list | |
142 | assert(selected_index != -1); | |
143 | device_selector_.setCurrentIndex(selected_index); | |
144 | ||
145 | update_device_config_widgets(); | |
146 | ||
147 | updating_device_selector_ = false; | |
148 | } | |
149 | ||
150 | shared_ptr<Device> MainBar::get_selected_device() const | |
151 | { | |
152 | const int index = device_selector_.currentIndex(); | |
153 | if (index < 0) | |
154 | return shared_ptr<Device>(); | |
155 | ||
156 | return device_selector_.itemData(index).value<shared_ptr<Device>>(); | |
157 | } | |
158 | ||
159 | void MainBar::set_capture_state(pv::Session::capture_state state) | |
160 | { | |
161 | const QIcon *icons[] = {&icon_grey_, &icon_red_, &icon_green_}; | |
162 | run_stop_button_.setIcon(*icons[state]); | |
163 | run_stop_button_.setText((state == pv::Session::Stopped) ? | |
164 | tr("Run") : tr("Stop")); | |
165 | run_stop_button_.setShortcut(QKeySequence(Qt::Key_Space)); | |
166 | } | |
167 | ||
168 | void MainBar::update_sample_rate_selector() | |
169 | { | |
170 | Glib::VariantContainerBase gvar_dict; | |
171 | GVariant *gvar_list; | |
172 | const uint64_t *elements = NULL; | |
173 | gsize num_elements; | |
174 | ||
175 | if (updating_sample_rate_) | |
176 | return; | |
177 | ||
178 | const shared_ptr<Device> device = get_selected_device(); | |
179 | if (!device) | |
180 | return; | |
181 | ||
182 | assert(!updating_sample_rate_); | |
183 | updating_sample_rate_ = true; | |
184 | ||
185 | const auto keys = device->config_keys(ConfigKey::DEVICE_OPTIONS); | |
186 | const auto iter = keys.find(ConfigKey::SAMPLERATE); | |
187 | if (iter != keys.end() && | |
188 | (*iter).second.find(sigrok::LIST) != (*iter).second.end()) { | |
189 | const auto keys = device->config_keys( | |
190 | ConfigKey::DEVICE_OPTIONS); | |
191 | try { | |
192 | gvar_dict = device->config_list(ConfigKey::SAMPLERATE); | |
193 | } catch(const sigrok::Error &e) { | |
194 | // Failed to enunmerate samplerate | |
195 | (void)e; | |
196 | } | |
197 | } | |
198 | ||
199 | if (!gvar_dict) { | |
200 | sample_rate_.show_none(); | |
201 | updating_sample_rate_ = false; | |
202 | return; | |
203 | } | |
204 | ||
205 | if ((gvar_list = g_variant_lookup_value(gvar_dict.gobj(), | |
206 | "samplerate-steps", G_VARIANT_TYPE("at")))) | |
207 | { | |
208 | elements = (const uint64_t *)g_variant_get_fixed_array( | |
209 | gvar_list, &num_elements, sizeof(uint64_t)); | |
210 | ||
211 | const uint64_t min = elements[0]; | |
212 | const uint64_t max = elements[1]; | |
213 | const uint64_t step = elements[2]; | |
214 | ||
215 | g_variant_unref(gvar_list); | |
216 | ||
217 | assert(min > 0); | |
218 | assert(max > 0); | |
219 | assert(max > min); | |
220 | assert(step > 0); | |
221 | ||
222 | if (step == 1) | |
223 | sample_rate_.show_125_list(min, max); | |
224 | else | |
225 | { | |
226 | // When the step is not 1, we cam't make a 1-2-5-10 | |
227 | // list of sample rates, because we may not be able to | |
228 | // make round numbers. Therefore in this case, show a | |
229 | // spin box. | |
230 | sample_rate_.show_min_max_step(min, max, step); | |
231 | } | |
232 | } | |
233 | else if ((gvar_list = g_variant_lookup_value(gvar_dict.gobj(), | |
234 | "samplerates", G_VARIANT_TYPE("at")))) | |
235 | { | |
236 | elements = (const uint64_t *)g_variant_get_fixed_array( | |
237 | gvar_list, &num_elements, sizeof(uint64_t)); | |
238 | sample_rate_.show_list(elements, num_elements); | |
239 | g_variant_unref(gvar_list); | |
240 | } | |
241 | updating_sample_rate_ = false; | |
242 | ||
243 | update_sample_rate_selector_value(); | |
244 | } | |
245 | ||
246 | void MainBar::update_sample_rate_selector_value() | |
247 | { | |
248 | if (updating_sample_rate_) | |
249 | return; | |
250 | ||
251 | const shared_ptr<Device> device = get_selected_device(); | |
252 | if (!device) | |
253 | return; | |
254 | ||
255 | try { | |
256 | auto gvar = device->config_get(ConfigKey::SAMPLERATE); | |
257 | uint64_t samplerate = | |
258 | Glib::VariantBase::cast_dynamic<Glib::Variant<guint64>>(gvar).get(); | |
259 | assert(!updating_sample_rate_); | |
260 | updating_sample_rate_ = true; | |
261 | sample_rate_.set_value(samplerate); | |
262 | updating_sample_rate_ = false; | |
263 | } catch (Error error) { | |
264 | qDebug() << "WARNING: Failed to get value of sample rate"; | |
265 | return; | |
266 | } | |
267 | } | |
268 | ||
269 | void MainBar::update_sample_count_selector() | |
270 | { | |
271 | if (updating_sample_count_) | |
272 | return; | |
273 | ||
274 | const shared_ptr<Device> device = get_selected_device(); | |
275 | if (!device) | |
276 | return; | |
277 | ||
278 | assert(!updating_sample_count_); | |
279 | updating_sample_count_ = true; | |
280 | ||
281 | if (!sample_count_supported_) | |
282 | { | |
283 | sample_count_.show_none(); | |
284 | updating_sample_count_ = false; | |
285 | return; | |
286 | } | |
287 | ||
288 | uint64_t sample_count = sample_count_.value(); | |
289 | uint64_t min_sample_count = 0; | |
290 | uint64_t max_sample_count = MaxSampleCount; | |
291 | ||
292 | if (sample_count == 0) | |
293 | sample_count = DefaultSampleCount; | |
294 | ||
295 | const auto keys = device->config_keys(ConfigKey::DEVICE_OPTIONS); | |
296 | const auto iter = keys.find(ConfigKey::LIMIT_SAMPLES); | |
297 | if (iter != keys.end() && | |
298 | (*iter).second.find(sigrok::LIST) != (*iter).second.end()) { | |
299 | try { | |
300 | auto gvar = | |
301 | device->config_list(ConfigKey::LIMIT_SAMPLES); | |
302 | if (gvar) | |
303 | g_variant_get(gvar.gobj(), "(tt)", | |
304 | &min_sample_count, &max_sample_count); | |
305 | } catch(const sigrok::Error &e) { | |
306 | // Failed to query sample limit | |
307 | (void)e; | |
308 | } | |
309 | } | |
310 | ||
311 | min_sample_count = min(max(min_sample_count, MinSampleCount), | |
312 | max_sample_count); | |
313 | ||
314 | sample_count_.show_125_list( | |
315 | min_sample_count, max_sample_count); | |
316 | ||
317 | try { | |
318 | auto gvar = device->config_get(ConfigKey::LIMIT_SAMPLES); | |
319 | sample_count = g_variant_get_uint64(gvar.gobj()); | |
320 | if (sample_count == 0) | |
321 | sample_count = DefaultSampleCount; | |
322 | sample_count = min(max(sample_count, MinSampleCount), | |
323 | max_sample_count); | |
324 | } catch (Error error) {} | |
325 | ||
326 | sample_count_.set_value(sample_count); | |
327 | ||
328 | updating_sample_count_ = false; | |
329 | } | |
330 | ||
331 | void MainBar::update_device_config_widgets() | |
332 | { | |
333 | using namespace pv::popups; | |
334 | ||
335 | const shared_ptr<Device> device = get_selected_device(); | |
336 | if (!device) | |
337 | return; | |
338 | ||
339 | // Update the configure popup | |
340 | DeviceOptions *const opts = new DeviceOptions(device, this); | |
341 | configure_button_action_->setVisible( | |
342 | !opts->binding().properties().empty()); | |
343 | configure_button_.set_popup(opts); | |
344 | ||
345 | // Update the channels popup | |
346 | Channels *const channels = new Channels(session_, this); | |
347 | channels_button_.set_popup(channels); | |
348 | ||
349 | // Update supported options. | |
350 | sample_count_supported_ = false; | |
351 | ||
352 | try { | |
353 | for (auto entry : device->config_keys(ConfigKey::DEVICE_OPTIONS)) | |
354 | { | |
355 | auto key = entry.first; | |
356 | auto capabilities = entry.second; | |
357 | switch (key->id()) { | |
358 | case SR_CONF_LIMIT_SAMPLES: | |
359 | if (capabilities.count(Capability::SET)) | |
360 | sample_count_supported_ = true; | |
361 | break; | |
362 | case SR_CONF_LIMIT_FRAMES: | |
363 | if (capabilities.count(Capability::SET)) | |
364 | { | |
365 | device->config_set(ConfigKey::LIMIT_FRAMES, | |
366 | Glib::Variant<guint64>::create(1)); | |
367 | on_config_changed(); | |
368 | } | |
369 | break; | |
370 | default: | |
371 | break; | |
372 | } | |
373 | } | |
374 | } catch (Error error) {} | |
375 | ||
376 | // Add notification of reconfigure events | |
377 | disconnect(this, SLOT(on_config_changed())); | |
378 | connect(&opts->binding(), SIGNAL(config_changed()), | |
379 | this, SLOT(on_config_changed())); | |
380 | ||
381 | // Update sweep timing widgets. | |
382 | update_sample_count_selector(); | |
383 | update_sample_rate_selector(); | |
384 | } | |
385 | ||
386 | void MainBar::commit_sample_count() | |
387 | { | |
388 | uint64_t sample_count = 0; | |
389 | ||
390 | if (updating_sample_count_) | |
391 | return; | |
392 | ||
393 | const shared_ptr<Device> device = get_selected_device(); | |
394 | if (!device) | |
395 | return; | |
396 | ||
397 | sample_count = sample_count_.value(); | |
398 | ||
399 | // Set the sample count | |
400 | assert(!updating_sample_count_); | |
401 | updating_sample_count_ = true; | |
402 | if (sample_count_supported_) | |
403 | { | |
404 | try { | |
405 | device->config_set(ConfigKey::LIMIT_SAMPLES, | |
406 | Glib::Variant<guint64>::create(sample_count)); | |
407 | on_config_changed(); | |
408 | } catch (Error error) { | |
409 | qDebug() << "Failed to configure sample count."; | |
410 | return; | |
411 | } | |
412 | } | |
413 | updating_sample_count_ = false; | |
414 | } | |
415 | ||
416 | void MainBar::commit_sample_rate() | |
417 | { | |
418 | uint64_t sample_rate = 0; | |
419 | ||
420 | if (updating_sample_rate_) | |
421 | return; | |
422 | ||
423 | const shared_ptr<Device> device = get_selected_device(); | |
424 | if (!device) | |
425 | return; | |
426 | ||
427 | sample_rate = sample_rate_.value(); | |
428 | if (sample_rate == 0) | |
429 | return; | |
430 | ||
431 | // Set the samplerate | |
432 | assert(!updating_sample_rate_); | |
433 | updating_sample_rate_ = true; | |
434 | try { | |
435 | device->config_set(ConfigKey::SAMPLERATE, | |
436 | Glib::Variant<guint64>::create(sample_rate)); | |
437 | on_config_changed(); | |
438 | } catch (Error error) { | |
439 | qDebug() << "Failed to configure samplerate."; | |
440 | return; | |
441 | } | |
442 | updating_sample_rate_ = false; | |
443 | } | |
444 | ||
445 | void MainBar::on_device_selected() | |
446 | { | |
447 | if (updating_device_selector_) | |
448 | return; | |
449 | ||
450 | shared_ptr<Device> device = get_selected_device(); | |
451 | if (!device) | |
452 | return; | |
453 | ||
454 | main_window_.select_device(device); | |
455 | ||
456 | update_device_config_widgets(); | |
457 | } | |
458 | ||
459 | void MainBar::on_sample_count_changed() | |
460 | { | |
461 | commit_sample_count(); | |
462 | } | |
463 | ||
464 | void MainBar::on_sample_rate_changed() | |
465 | { | |
466 | commit_sample_rate(); | |
467 | } | |
468 | ||
469 | void MainBar::on_run_stop() | |
470 | { | |
471 | commit_sample_count(); | |
472 | commit_sample_rate(); | |
473 | main_window_.run_stop(); | |
474 | } | |
475 | ||
476 | void MainBar::on_config_changed() | |
477 | { | |
478 | commit_sample_count(); | |
479 | update_sample_count_selector(); | |
480 | commit_sample_rate(); | |
481 | update_sample_rate_selector(); | |
482 | } | |
483 | ||
484 | bool MainBar::eventFilter(QObject *watched, QEvent *event) | |
485 | { | |
486 | if ((watched == &sample_count_ || watched == &sample_rate_) && | |
487 | (event->type() == QEvent::ToolTip)) { | |
488 | double sec = (double)sample_count_.value() / sample_rate_.value(); | |
489 | QHelpEvent *help_event = static_cast<QHelpEvent*>(event); | |
490 | ||
491 | QString str = tr("Total sampling time: %1").arg(pv::util::format_second(sec)); | |
492 | QToolTip::showText(help_event->globalPos(), str); | |
493 | ||
494 | return true; | |
495 | } | |
496 | ||
497 | return false; | |
498 | } | |
499 | ||
500 | } // namespace toolbars | |
501 | } // namespace pv |