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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 <boost/foreach.hpp> | |
26 | ||
27 | #include <QAction> | |
28 | #include <QDebug> | |
29 | #include <QHelpEvent> | |
30 | #include <QToolTip> | |
31 | ||
32 | #include "samplingbar.h" | |
33 | ||
34 | #include <pv/devicemanager.h> | |
35 | #include <pv/device/devinst.h> | |
36 | #include <pv/popups/deviceoptions.h> | |
37 | #include <pv/popups/probes.h> | |
38 | ||
39 | using boost::shared_ptr; | |
40 | using std::map; | |
41 | using std::max; | |
42 | using std::min; | |
43 | using std::string; | |
44 | ||
45 | namespace pv { | |
46 | namespace toolbars { | |
47 | ||
48 | const uint64_t SamplingBar::MinSampleCount = 100ULL; | |
49 | const uint64_t SamplingBar::MaxSampleCount = 1000000000000ULL; | |
50 | const uint64_t SamplingBar::DefaultSampleCount = 1000000; | |
51 | ||
52 | SamplingBar::SamplingBar(SigSession &session, QWidget *parent) : | |
53 | QToolBar("Sampling Bar", parent), | |
54 | _session(session), | |
55 | _device_selector(this), | |
56 | _updating_device_selector(false), | |
57 | _configure_button(this), | |
58 | _configure_button_action(NULL), | |
59 | _probes_button(this), | |
60 | _sample_count(" samples", this), | |
61 | _sample_rate("Hz", this), | |
62 | _updating_sample_rate(false), | |
63 | _updating_sample_count(false), | |
64 | _sample_count_supported(false), | |
65 | _icon_red(":/icons/status-red.svg"), | |
66 | _icon_green(":/icons/status-green.svg"), | |
67 | _icon_grey(":/icons/status-grey.svg"), | |
68 | _run_stop_button(this) | |
69 | { | |
70 | connect(&_run_stop_button, SIGNAL(clicked()), | |
71 | this, SLOT(on_run_stop())); | |
72 | connect(&_device_selector, SIGNAL(currentIndexChanged (int)), | |
73 | this, SLOT(on_device_selected())); | |
74 | connect(&_sample_count, SIGNAL(value_changed()), | |
75 | this, SLOT(on_sample_count_changed())); | |
76 | connect(&_sample_rate, SIGNAL(value_changed()), | |
77 | this, SLOT(on_sample_rate_changed())); | |
78 | ||
79 | _sample_count.show_min_max_step(0, UINT64_MAX, 1); | |
80 | ||
81 | set_capture_state(pv::SigSession::Stopped); | |
82 | ||
83 | _configure_button.setIcon(QIcon::fromTheme("configure", | |
84 | QIcon(":/icons/configure.png"))); | |
85 | ||
86 | _probes_button.setIcon(QIcon::fromTheme("probes", | |
87 | QIcon(":/icons/probes.svg"))); | |
88 | ||
89 | _run_stop_button.setToolButtonStyle(Qt::ToolButtonTextBesideIcon); | |
90 | ||
91 | addWidget(&_device_selector); | |
92 | _configure_button_action = addWidget(&_configure_button); | |
93 | addWidget(&_probes_button); | |
94 | addWidget(&_sample_count); | |
95 | addWidget(&_sample_rate); | |
96 | ||
97 | addWidget(&_run_stop_button); | |
98 | ||
99 | _sample_count.installEventFilter(this); | |
100 | _sample_rate.installEventFilter(this); | |
101 | } | |
102 | ||
103 | void SamplingBar::set_device_list( | |
104 | const std::list< shared_ptr<pv::device::DevInst> > &devices, | |
105 | shared_ptr<pv::device::DevInst> selected) | |
106 | { | |
107 | int selected_index = -1; | |
108 | ||
109 | assert(selected); | |
110 | ||
111 | _updating_device_selector = true; | |
112 | ||
113 | _device_selector.clear(); | |
114 | _device_selector_map.clear(); | |
115 | ||
116 | BOOST_FOREACH (shared_ptr<pv::device::DevInst> dev_inst, devices) { | |
117 | assert(dev_inst); | |
118 | const string title = dev_inst->format_device_title(); | |
119 | const sr_dev_inst *sdi = dev_inst->dev_inst(); | |
120 | assert(sdi); | |
121 | ||
122 | if (selected == dev_inst) | |
123 | selected_index = _device_selector.count(); | |
124 | ||
125 | _device_selector_map[sdi] = dev_inst; | |
126 | _device_selector.addItem(title.c_str(), | |
127 | qVariantFromValue((void*)sdi)); | |
128 | } | |
129 | ||
130 | // The selected device should have been in the list | |
131 | assert(selected_index != -1); | |
132 | _device_selector.setCurrentIndex(selected_index); | |
133 | ||
134 | update_device_config_widgets(); | |
135 | ||
136 | _updating_device_selector = false; | |
137 | } | |
138 | ||
139 | shared_ptr<pv::device::DevInst> SamplingBar::get_selected_device() const | |
140 | { | |
141 | const int index = _device_selector.currentIndex(); | |
142 | if (index < 0) | |
143 | return shared_ptr<pv::device::DevInst>(); | |
144 | ||
145 | const sr_dev_inst *const sdi = | |
146 | (const sr_dev_inst*)_device_selector.itemData( | |
147 | index).value<void*>(); | |
148 | assert(sdi); | |
149 | ||
150 | map<const sr_dev_inst*, boost::weak_ptr<device::DevInst> >:: | |
151 | const_iterator iter = _device_selector_map.find(sdi); | |
152 | if (iter == _device_selector_map.end()) | |
153 | return shared_ptr<pv::device::DevInst>(); | |
154 | ||
155 | return shared_ptr<pv::device::DevInst>((*iter).second); | |
156 | } | |
157 | ||
158 | void SamplingBar::set_capture_state(pv::SigSession::capture_state state) | |
159 | { | |
160 | const QIcon *icons[] = {&_icon_grey, &_icon_red, &_icon_green}; | |
161 | _run_stop_button.setIcon(*icons[state]); | |
162 | _run_stop_button.setText((state == pv::SigSession::Stopped) ? | |
163 | tr("Run") : tr("Stop")); | |
164 | } | |
165 | ||
166 | void SamplingBar::update_sample_rate_selector() | |
167 | { | |
168 | GVariant *gvar_dict, *gvar_list; | |
169 | const uint64_t *elements = NULL; | |
170 | gsize num_elements; | |
171 | ||
172 | if (_updating_sample_rate) | |
173 | return; | |
174 | ||
175 | const shared_ptr<device::DevInst> dev_inst = get_selected_device(); | |
176 | if (!dev_inst) | |
177 | return; | |
178 | ||
179 | assert(!_updating_sample_rate); | |
180 | _updating_sample_rate = true; | |
181 | ||
182 | if (!(gvar_dict = dev_inst->list_config(NULL, SR_CONF_SAMPLERATE))) | |
183 | { | |
184 | _sample_rate.show_none(); | |
185 | _updating_sample_rate = false; | |
186 | return; | |
187 | } | |
188 | ||
189 | if ((gvar_list = g_variant_lookup_value(gvar_dict, | |
190 | "samplerate-steps", G_VARIANT_TYPE("at")))) | |
191 | { | |
192 | elements = (const uint64_t *)g_variant_get_fixed_array( | |
193 | gvar_list, &num_elements, sizeof(uint64_t)); | |
194 | ||
195 | const uint64_t min = elements[0]; | |
196 | const uint64_t max = elements[1]; | |
197 | const uint64_t step = elements[2]; | |
198 | ||
199 | g_variant_unref(gvar_list); | |
200 | ||
201 | assert(min > 0); | |
202 | assert(max > 0); | |
203 | assert(max > min); | |
204 | assert(step > 0); | |
205 | ||
206 | if (step == 1) | |
207 | _sample_rate.show_125_list(min, max); | |
208 | else | |
209 | { | |
210 | // When the step is not 1, we cam't make a 1-2-5-10 | |
211 | // list of sample rates, because we may not be able to | |
212 | // make round numbers. Therefore in this case, show a | |
213 | // spin box. | |
214 | _sample_rate.show_min_max_step(min, max, step); | |
215 | } | |
216 | } | |
217 | else if ((gvar_list = g_variant_lookup_value(gvar_dict, | |
218 | "samplerates", G_VARIANT_TYPE("at")))) | |
219 | { | |
220 | elements = (const uint64_t *)g_variant_get_fixed_array( | |
221 | gvar_list, &num_elements, sizeof(uint64_t)); | |
222 | _sample_rate.show_list(elements, num_elements); | |
223 | g_variant_unref(gvar_list); | |
224 | } | |
225 | _updating_sample_rate = false; | |
226 | ||
227 | g_variant_unref(gvar_dict); | |
228 | update_sample_rate_selector_value(); | |
229 | } | |
230 | ||
231 | void SamplingBar::update_sample_rate_selector_value() | |
232 | { | |
233 | GVariant *gvar; | |
234 | uint64_t samplerate; | |
235 | ||
236 | if (_updating_sample_rate) | |
237 | return; | |
238 | ||
239 | const shared_ptr<device::DevInst> dev_inst = get_selected_device(); | |
240 | if (!dev_inst) | |
241 | return; | |
242 | ||
243 | if (!(gvar = dev_inst->get_config(NULL, SR_CONF_SAMPLERATE))) { | |
244 | qDebug() << "WARNING: Failed to get value of sample rate"; | |
245 | return; | |
246 | } | |
247 | samplerate = g_variant_get_uint64(gvar); | |
248 | g_variant_unref(gvar); | |
249 | ||
250 | assert(!_updating_sample_rate); | |
251 | _updating_sample_rate = true; | |
252 | _sample_rate.set_value(samplerate); | |
253 | _updating_sample_rate = false; | |
254 | } | |
255 | ||
256 | void SamplingBar::update_sample_count_selector() | |
257 | { | |
258 | GVariant *gvar; | |
259 | ||
260 | if (_updating_sample_count) | |
261 | return; | |
262 | ||
263 | const shared_ptr<device::DevInst> dev_inst = get_selected_device(); | |
264 | if (!dev_inst) | |
265 | return; | |
266 | ||
267 | assert(!_updating_sample_count); | |
268 | _updating_sample_count = true; | |
269 | ||
270 | if (_sample_count_supported) | |
271 | { | |
272 | uint64_t sample_count = _sample_count.value(); | |
273 | uint64_t min_sample_count = 0; | |
274 | uint64_t max_sample_count = MaxSampleCount; | |
275 | ||
276 | if (sample_count == 0) | |
277 | sample_count = DefaultSampleCount; | |
278 | ||
279 | if ((gvar = dev_inst->list_config(NULL, SR_CONF_LIMIT_SAMPLES))) | |
280 | { | |
281 | g_variant_get(gvar, "(tt)", | |
282 | &min_sample_count, &max_sample_count); | |
283 | g_variant_unref(gvar); | |
284 | } | |
285 | ||
286 | min_sample_count = min(max(min_sample_count, MinSampleCount), | |
287 | max_sample_count); | |
288 | ||
289 | _sample_count.show_125_list( | |
290 | min_sample_count, max_sample_count); | |
291 | ||
292 | if ((gvar = dev_inst->get_config(NULL, SR_CONF_LIMIT_SAMPLES))) | |
293 | { | |
294 | sample_count = g_variant_get_uint64(gvar); | |
295 | if (sample_count == 0) | |
296 | sample_count = DefaultSampleCount; | |
297 | sample_count = min(max(sample_count, MinSampleCount), | |
298 | max_sample_count); | |
299 | ||
300 | g_variant_unref(gvar); | |
301 | } | |
302 | ||
303 | _sample_count.set_value(sample_count); | |
304 | } | |
305 | else | |
306 | _sample_count.show_none(); | |
307 | ||
308 | _updating_sample_count = false; | |
309 | } | |
310 | ||
311 | void SamplingBar::update_device_config_widgets() | |
312 | { | |
313 | GVariant *gvar; | |
314 | ||
315 | using namespace pv::popups; | |
316 | ||
317 | const shared_ptr<device::DevInst> dev_inst = get_selected_device(); | |
318 | if (!dev_inst) | |
319 | return; | |
320 | ||
321 | // Update the configure popup | |
322 | DeviceOptions *const opts = new DeviceOptions(dev_inst, this); | |
323 | _configure_button_action->setVisible( | |
324 | !opts->binding().properties().empty()); | |
325 | _configure_button.set_popup(opts); | |
326 | ||
327 | // Update the probes popup | |
328 | Probes *const probes = new Probes(_session, this); | |
329 | _probes_button.set_popup(probes); | |
330 | ||
331 | // Update supported options. | |
332 | _sample_count_supported = false; | |
333 | ||
334 | if ((gvar = dev_inst->list_config(NULL, SR_CONF_DEVICE_OPTIONS))) | |
335 | { | |
336 | gsize num_opts; | |
337 | const int *const options = | |
338 | (const int32_t *)g_variant_get_fixed_array( | |
339 | gvar, &num_opts, sizeof(int32_t)); | |
340 | for (unsigned int i = 0; i < num_opts; i++) | |
341 | { | |
342 | switch (options[i]) { | |
343 | case SR_CONF_LIMIT_SAMPLES: | |
344 | _sample_count_supported = true; | |
345 | break; | |
346 | case SR_CONF_LIMIT_FRAMES: | |
347 | dev_inst->set_config(NULL, SR_CONF_LIMIT_FRAMES, | |
348 | g_variant_new_uint64(1)); | |
349 | break; | |
350 | } | |
351 | } | |
352 | } | |
353 | ||
354 | // Add notification of reconfigure events | |
355 | disconnect(this, SLOT(on_config_changed())); | |
356 | connect(dev_inst.get(), SIGNAL(config_changed()), | |
357 | this, SLOT(on_config_changed())); | |
358 | ||
359 | // Update sweep timing widgets. | |
360 | update_sample_count_selector(); | |
361 | update_sample_rate_selector(); | |
362 | } | |
363 | ||
364 | void SamplingBar::commit_sample_count() | |
365 | { | |
366 | uint64_t sample_count = 0; | |
367 | ||
368 | if (_updating_sample_count) | |
369 | return; | |
370 | ||
371 | const shared_ptr<device::DevInst> dev_inst = get_selected_device(); | |
372 | if (!dev_inst) | |
373 | return; | |
374 | ||
375 | sample_count = _sample_count.value(); | |
376 | ||
377 | // Set the sample count | |
378 | assert(!_updating_sample_count); | |
379 | _updating_sample_count = true; | |
380 | if (_sample_count_supported && | |
381 | !dev_inst->set_config(NULL, SR_CONF_LIMIT_SAMPLES, | |
382 | g_variant_new_uint64(sample_count))) { | |
383 | qDebug() << "Failed to configure sample count."; | |
384 | return; | |
385 | } | |
386 | _updating_sample_count = false; | |
387 | } | |
388 | ||
389 | void SamplingBar::commit_sample_rate() | |
390 | { | |
391 | uint64_t sample_rate = 0; | |
392 | ||
393 | if (_updating_sample_rate) | |
394 | return; | |
395 | ||
396 | const shared_ptr<device::DevInst> dev_inst = get_selected_device(); | |
397 | if (!dev_inst) | |
398 | return; | |
399 | ||
400 | sample_rate = _sample_rate.value(); | |
401 | if (sample_rate == 0) | |
402 | return; | |
403 | ||
404 | // Set the samplerate | |
405 | assert(!_updating_sample_rate); | |
406 | _updating_sample_rate = true; | |
407 | if (!dev_inst->set_config(NULL, SR_CONF_SAMPLERATE, | |
408 | g_variant_new_uint64(sample_rate))) { | |
409 | qDebug() << "Failed to configure samplerate."; | |
410 | return; | |
411 | } | |
412 | _updating_sample_rate = false; | |
413 | } | |
414 | ||
415 | void SamplingBar::on_device_selected() | |
416 | { | |
417 | if (_updating_device_selector) | |
418 | return; | |
419 | ||
420 | const shared_ptr<device::DevInst> dev_inst = get_selected_device(); | |
421 | if (!dev_inst) | |
422 | return; | |
423 | ||
424 | _session.set_device(dev_inst); | |
425 | ||
426 | update_device_config_widgets(); | |
427 | } | |
428 | ||
429 | void SamplingBar::on_sample_count_changed() | |
430 | { | |
431 | commit_sample_count(); | |
432 | } | |
433 | ||
434 | void SamplingBar::on_sample_rate_changed() | |
435 | { | |
436 | commit_sample_rate(); | |
437 | } | |
438 | ||
439 | void SamplingBar::on_run_stop() | |
440 | { | |
441 | commit_sample_count(); | |
442 | commit_sample_rate(); | |
443 | run_stop(); | |
444 | } | |
445 | ||
446 | void SamplingBar::on_config_changed() | |
447 | { | |
448 | commit_sample_count(); | |
449 | update_sample_count_selector(); | |
450 | commit_sample_rate(); | |
451 | update_sample_rate_selector(); | |
452 | } | |
453 | ||
454 | bool SamplingBar::eventFilter(QObject *watched, QEvent *event) | |
455 | { | |
456 | if ((watched == &_sample_count || watched == &_sample_rate) && | |
457 | (event->type() == QEvent::ToolTip)) { | |
458 | double sec = (double)_sample_count.value() / _sample_rate.value(); | |
459 | ||
460 | QString str; | |
461 | QTextStream(&str) | |
462 | << tr("Total sampling time: ") | |
463 | << fixed | |
464 | << qSetRealNumberPrecision(1) | |
465 | << sec | |
466 | << "s"; | |
467 | ||
468 | QHelpEvent *help_event = static_cast<QHelpEvent*>(event); | |
469 | QToolTip::showText(help_event->globalPos(), str); | |
470 | ||
471 | return true; | |
472 | } | |
473 | ||
474 | return false; | |
475 | } | |
476 | ||
477 | } // namespace toolbars | |
478 | } // namespace pv |