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