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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 <libsigrok/libsigrok.h> | |
28 | ||
29 | #include <QAction> | |
30 | #include <QDebug> | |
31 | ||
32 | #include "samplingbar.h" | |
33 | ||
34 | #include <pv/devicemanager.h> | |
35 | #include <pv/popups/deviceoptions.h> | |
36 | #include <pv/popups/probes.h> | |
37 | ||
38 | using std::max; | |
39 | using std::min; | |
40 | using std::string; | |
41 | ||
42 | namespace pv { | |
43 | namespace toolbars { | |
44 | ||
45 | const uint64_t SamplingBar::MinSampleCount = 100ULL; | |
46 | const uint64_t SamplingBar::MaxSampleCount = 1000000000000ULL; | |
47 | const uint64_t SamplingBar::DefaultSampleCount = 1000000; | |
48 | ||
49 | SamplingBar::SamplingBar(SigSession &session, QWidget *parent) : | |
50 | QToolBar("Sampling Bar", parent), | |
51 | _session(session), | |
52 | _device_selector(this), | |
53 | _updating_device_selector(false), | |
54 | _configure_button(this), | |
55 | _configure_button_action(NULL), | |
56 | _probes_button(this), | |
57 | _sample_count(" samples", this), | |
58 | _sample_rate("Hz", this), | |
59 | _updating_sample_rate(false), | |
60 | _updating_sample_count(false), | |
61 | _sample_count_supported(false), | |
62 | _icon_red(":/icons/status-red.svg"), | |
63 | _icon_green(":/icons/status-green.svg"), | |
64 | _icon_grey(":/icons/status-grey.svg"), | |
65 | _run_stop_button(this) | |
66 | { | |
67 | connect(&_run_stop_button, SIGNAL(clicked()), | |
68 | this, SLOT(on_run_stop())); | |
69 | connect(&_device_selector, SIGNAL(currentIndexChanged (int)), | |
70 | this, SLOT(on_device_selected())); | |
71 | connect(&_sample_count, SIGNAL(value_changed()), | |
72 | this, SLOT(on_sample_count_changed())); | |
73 | connect(&_sample_rate, SIGNAL(value_changed()), | |
74 | this, SLOT(on_sample_rate_changed())); | |
75 | ||
76 | _sample_count.show_min_max_step(0, UINT64_MAX, 1); | |
77 | ||
78 | set_capture_state(pv::SigSession::Stopped); | |
79 | ||
80 | _configure_button.setIcon(QIcon::fromTheme("configure", | |
81 | QIcon(":/icons/configure.png"))); | |
82 | ||
83 | _probes_button.setIcon(QIcon::fromTheme("probes", | |
84 | QIcon(":/icons/probes.svg"))); | |
85 | ||
86 | _run_stop_button.setToolButtonStyle(Qt::ToolButtonTextBesideIcon); | |
87 | ||
88 | addWidget(&_device_selector); | |
89 | _configure_button_action = addWidget(&_configure_button); | |
90 | addWidget(&_probes_button); | |
91 | addWidget(&_sample_count); | |
92 | addWidget(&_sample_rate); | |
93 | ||
94 | addWidget(&_run_stop_button); | |
95 | } | |
96 | ||
97 | void SamplingBar::set_device_list( | |
98 | const std::list<struct sr_dev_inst*> &devices) | |
99 | { | |
100 | _updating_device_selector = true; | |
101 | ||
102 | _device_selector.clear(); | |
103 | ||
104 | BOOST_FOREACH (sr_dev_inst *sdi, devices) { | |
105 | const string title = DeviceManager::format_device_title(sdi); | |
106 | _device_selector.addItem(title.c_str(), | |
107 | qVariantFromValue((void*)sdi)); | |
108 | } | |
109 | ||
110 | _updating_device_selector = false; | |
111 | ||
112 | on_device_selected(); | |
113 | } | |
114 | ||
115 | struct sr_dev_inst* SamplingBar::get_selected_device() const | |
116 | { | |
117 | const int index = _device_selector.currentIndex(); | |
118 | if (index < 0) | |
119 | return NULL; | |
120 | ||
121 | return (sr_dev_inst*)_device_selector.itemData( | |
122 | index).value<void*>(); | |
123 | } | |
124 | ||
125 | void SamplingBar::set_selected_device(struct sr_dev_inst *const sdi) | |
126 | { | |
127 | for (int i = 0; i < _device_selector.count(); i++) | |
128 | if (sdi == _device_selector.itemData(i).value<void*>()) { | |
129 | _device_selector.setCurrentIndex(i); | |
130 | return; | |
131 | } | |
132 | } | |
133 | ||
134 | void SamplingBar::set_capture_state(pv::SigSession::capture_state state) | |
135 | { | |
136 | const QIcon *icons[] = {&_icon_grey, &_icon_red, &_icon_green}; | |
137 | _run_stop_button.setIcon(*icons[state]); | |
138 | _run_stop_button.setText((state == pv::SigSession::Stopped) ? | |
139 | tr("Run") : tr("Stop")); | |
140 | } | |
141 | ||
142 | void SamplingBar::update_sample_rate_selector() | |
143 | { | |
144 | const sr_dev_inst *const sdi = get_selected_device(); | |
145 | GVariant *gvar_dict, *gvar_list; | |
146 | const uint64_t *elements = NULL; | |
147 | gsize num_elements; | |
148 | ||
149 | if (!sdi) | |
150 | return; | |
151 | ||
152 | _updating_sample_rate = true; | |
153 | ||
154 | if (sr_config_list(sdi->driver, sdi, NULL, | |
155 | SR_CONF_SAMPLERATE, &gvar_dict) != SR_OK) | |
156 | { | |
157 | _sample_rate.show_none(); | |
158 | _updating_sample_rate = false; | |
159 | return; | |
160 | } | |
161 | ||
162 | if ((gvar_list = g_variant_lookup_value(gvar_dict, | |
163 | "samplerate-steps", G_VARIANT_TYPE("at")))) | |
164 | { | |
165 | elements = (const uint64_t *)g_variant_get_fixed_array( | |
166 | gvar_list, &num_elements, sizeof(uint64_t)); | |
167 | ||
168 | const uint64_t min = elements[0]; | |
169 | const uint64_t max = elements[1]; | |
170 | const uint64_t step = elements[2]; | |
171 | ||
172 | g_variant_unref(gvar_list); | |
173 | ||
174 | assert(min > 0); | |
175 | assert(max > 0); | |
176 | assert(max > min); | |
177 | assert(step > 0); | |
178 | ||
179 | if (step == 1) | |
180 | _sample_rate.show_125_list(min, max); | |
181 | else | |
182 | { | |
183 | // When the step is not 1, we cam't make a 1-2-5-10 | |
184 | // list of sample rates, because we may not be able to | |
185 | // make round numbers. Therefore in this case, show a | |
186 | // spin box. | |
187 | _sample_rate.show_min_max_step(min, max, step); | |
188 | } | |
189 | } | |
190 | else if ((gvar_list = g_variant_lookup_value(gvar_dict, | |
191 | "samplerates", G_VARIANT_TYPE("at")))) | |
192 | { | |
193 | elements = (const uint64_t *)g_variant_get_fixed_array( | |
194 | gvar_list, &num_elements, sizeof(uint64_t)); | |
195 | _sample_rate.show_list(elements, num_elements); | |
196 | g_variant_unref(gvar_list); | |
197 | } | |
198 | _updating_sample_rate = false; | |
199 | ||
200 | g_variant_unref(gvar_dict); | |
201 | update_sample_rate_selector_value(); | |
202 | } | |
203 | ||
204 | void SamplingBar::update_sample_rate_selector_value() | |
205 | { | |
206 | sr_dev_inst *const sdi = get_selected_device(); | |
207 | GVariant *gvar; | |
208 | uint64_t samplerate; | |
209 | ||
210 | assert(sdi); | |
211 | ||
212 | if (sr_config_get(sdi->driver, sdi, NULL, | |
213 | SR_CONF_SAMPLERATE, &gvar) != SR_OK) { | |
214 | qDebug() << | |
215 | "WARNING: Failed to get value of sample rate"; | |
216 | return; | |
217 | } | |
218 | samplerate = g_variant_get_uint64(gvar); | |
219 | g_variant_unref(gvar); | |
220 | ||
221 | _updating_sample_rate = true; | |
222 | _sample_rate.set_value(samplerate); | |
223 | _updating_sample_rate = false; | |
224 | } | |
225 | ||
226 | void SamplingBar::update_sample_count_selector() | |
227 | { | |
228 | sr_dev_inst *const sdi = get_selected_device(); | |
229 | GVariant *gvar; | |
230 | ||
231 | assert(sdi); | |
232 | ||
233 | _updating_sample_count = true; | |
234 | ||
235 | if (_sample_count_supported) | |
236 | { | |
237 | uint64_t sample_count = DefaultSampleCount; | |
238 | uint64_t min_sample_count = 0; | |
239 | uint64_t max_sample_count = MaxSampleCount; | |
240 | ||
241 | if (sr_config_list(sdi->driver, sdi, NULL, | |
242 | SR_CONF_LIMIT_SAMPLES, &gvar) == SR_OK) { | |
243 | g_variant_get(gvar, "(tt)", | |
244 | &min_sample_count, &max_sample_count); | |
245 | g_variant_unref(gvar); | |
246 | } | |
247 | ||
248 | min_sample_count = min(max(min_sample_count, MinSampleCount), | |
249 | max_sample_count); | |
250 | ||
251 | _sample_count.show_125_list( | |
252 | min_sample_count, max_sample_count); | |
253 | ||
254 | if (sr_config_get(sdi->driver, sdi, NULL, | |
255 | SR_CONF_LIMIT_SAMPLES, &gvar) == SR_OK) | |
256 | { | |
257 | sample_count = g_variant_get_uint64(gvar); | |
258 | if (sample_count == 0) | |
259 | sample_count = DefaultSampleCount; | |
260 | sample_count = min(max(sample_count, MinSampleCount), | |
261 | max_sample_count); | |
262 | ||
263 | g_variant_unref(gvar); | |
264 | } | |
265 | ||
266 | _sample_count.set_value(sample_count); | |
267 | } | |
268 | else | |
269 | _sample_count.show_none(); | |
270 | ||
271 | _updating_sample_count = false; | |
272 | } | |
273 | ||
274 | void SamplingBar::commit_sample_count() | |
275 | { | |
276 | uint64_t sample_count = 0; | |
277 | ||
278 | sr_dev_inst *const sdi = get_selected_device(); | |
279 | assert(sdi); | |
280 | ||
281 | sample_count = _sample_count.value(); | |
282 | ||
283 | // Set the sample count | |
284 | if (sr_config_set(sdi, NULL, SR_CONF_LIMIT_SAMPLES, | |
285 | g_variant_new_uint64(sample_count)) != SR_OK) { | |
286 | qDebug() << "Failed to configure sample count."; | |
287 | return; | |
288 | } | |
289 | } | |
290 | ||
291 | void SamplingBar::commit_sample_rate() | |
292 | { | |
293 | uint64_t sample_rate = 0; | |
294 | ||
295 | sr_dev_inst *const sdi = get_selected_device(); | |
296 | assert(sdi); | |
297 | ||
298 | sample_rate = _sample_rate.value(); | |
299 | if (sample_rate == 0) | |
300 | return; | |
301 | ||
302 | // Set the samplerate | |
303 | if (sr_config_set(sdi, NULL, SR_CONF_SAMPLERATE, | |
304 | g_variant_new_uint64(sample_rate)) != SR_OK) { | |
305 | qDebug() << "Failed to configure samplerate."; | |
306 | return; | |
307 | } | |
308 | } | |
309 | ||
310 | void SamplingBar::on_device_selected() | |
311 | { | |
312 | GVariant *gvar; | |
313 | ||
314 | using namespace pv::popups; | |
315 | ||
316 | if (_updating_device_selector) | |
317 | return; | |
318 | ||
319 | sr_dev_inst *const sdi = get_selected_device(); | |
320 | _session.set_device(sdi); | |
321 | ||
322 | // Update the configure popup | |
323 | DeviceOptions *const opts = new DeviceOptions(sdi, this); | |
324 | _configure_button_action->setVisible( | |
325 | !opts->binding().properties().empty()); | |
326 | _configure_button.set_popup(opts); | |
327 | ||
328 | // Update the probes popup | |
329 | Probes *const probes = new Probes(_session, this); | |
330 | _probes_button.set_popup(probes); | |
331 | ||
332 | // Update supported options. | |
333 | _sample_count_supported = false; | |
334 | ||
335 | if (sr_config_list(sdi->driver, sdi, NULL, | |
336 | SR_CONF_DEVICE_OPTIONS, &gvar) == SR_OK) | |
337 | { | |
338 | gsize num_opts; | |
339 | const int *const options = (const int32_t *)g_variant_get_fixed_array( | |
340 | gvar, &num_opts, sizeof(int32_t)); | |
341 | for (unsigned int i = 0; i < num_opts; i++) | |
342 | { | |
343 | switch (options[i]) { | |
344 | case SR_CONF_LIMIT_SAMPLES: | |
345 | _sample_count_supported = true; | |
346 | break; | |
347 | case SR_CONF_LIMIT_FRAMES: | |
348 | sr_config_set(sdi, NULL, SR_CONF_LIMIT_FRAMES, | |
349 | g_variant_new_uint64(1)); | |
350 | break; | |
351 | } | |
352 | } | |
353 | } | |
354 | ||
355 | // Update sweep timing widgets. | |
356 | update_sample_count_selector(); | |
357 | update_sample_rate_selector(); | |
358 | } | |
359 | ||
360 | void SamplingBar::on_sample_count_changed() | |
361 | { | |
362 | if(!_updating_sample_count) | |
363 | commit_sample_count(); | |
364 | } | |
365 | ||
366 | void SamplingBar::on_sample_rate_changed() | |
367 | { | |
368 | if (!_updating_sample_rate) | |
369 | commit_sample_rate(); | |
370 | } | |
371 | ||
372 | void SamplingBar::on_run_stop() | |
373 | { | |
374 | commit_sample_count(); | |
375 | commit_sample_rate(); | |
376 | run_stop(); | |
377 | } | |
378 | ||
379 | } // namespace toolbars | |
380 | } // namespace pv |