2 * This file is part of the PulseView project.
4 * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
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.
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.
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
25 #include <boost/foreach.hpp>
27 #include <libsigrok/libsigrok.h>
32 #include "samplingbar.h"
34 #include <pv/devicemanager.h>
35 #include <pv/popups/deviceoptions.h>
36 #include <pv/popups/probes.h>
45 const uint64_t SamplingBar::MinSampleCount = 100ULL;
46 const uint64_t SamplingBar::MaxSampleCount = 1000000000000ULL;
47 const uint64_t SamplingBar::DefaultSampleCount = 1000000;
49 SamplingBar::SamplingBar(SigSession &session, QWidget *parent) :
50 QToolBar("Sampling Bar", parent),
52 _device_selector(this),
53 _updating_device_selector(false),
54 _configure_button(this),
55 _configure_button_action(NULL),
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)
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()));
76 _sample_count.show_min_max_step(0, UINT64_MAX, 1);
78 set_capture_state(pv::SigSession::Stopped);
80 _configure_button.setIcon(QIcon::fromTheme("configure",
81 QIcon(":/icons/configure.png")));
83 _probes_button.setIcon(QIcon::fromTheme("probes",
84 QIcon(":/icons/probes.svg")));
86 _run_stop_button.setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
88 addWidget(&_device_selector);
89 _configure_button_action = addWidget(&_configure_button);
90 addWidget(&_probes_button);
91 addWidget(&_sample_count);
92 addWidget(&_sample_rate);
94 addWidget(&_run_stop_button);
97 void SamplingBar::set_device_list(
98 const std::list<struct sr_dev_inst*> &devices)
100 _updating_device_selector = true;
102 _device_selector.clear();
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));
110 _updating_device_selector = false;
112 on_device_selected();
115 struct sr_dev_inst* SamplingBar::get_selected_device() const
117 const int index = _device_selector.currentIndex();
121 return (sr_dev_inst*)_device_selector.itemData(
122 index).value<void*>();
125 void SamplingBar::set_selected_device(struct sr_dev_inst *const sdi)
127 for (int i = 0; i < _device_selector.count(); i++)
128 if (sdi == _device_selector.itemData(i).value<void*>()) {
129 _device_selector.setCurrentIndex(i);
134 void SamplingBar::set_capture_state(pv::SigSession::capture_state state)
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"));
142 void SamplingBar::update_sample_rate_selector()
144 const sr_dev_inst *const sdi = get_selected_device();
145 GVariant *gvar_dict, *gvar_list;
146 const uint64_t *elements = NULL;
152 _updating_sample_rate = true;
154 if (sr_config_list(sdi->driver, sdi, NULL,
155 SR_CONF_SAMPLERATE, &gvar_dict) != SR_OK)
157 _sample_rate.show_none();
158 _updating_sample_rate = false;
162 if ((gvar_list = g_variant_lookup_value(gvar_dict,
163 "samplerate-steps", G_VARIANT_TYPE("at"))))
165 elements = (const uint64_t *)g_variant_get_fixed_array(
166 gvar_list, &num_elements, sizeof(uint64_t));
168 const uint64_t min = elements[0];
169 const uint64_t max = elements[1];
170 const uint64_t step = elements[2];
172 g_variant_unref(gvar_list);
180 _sample_rate.show_125_list(min, max);
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
187 _sample_rate.show_min_max_step(min, max, step);
190 else if ((gvar_list = g_variant_lookup_value(gvar_dict,
191 "samplerates", G_VARIANT_TYPE("at"))))
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);
198 _updating_sample_rate = false;
200 g_variant_unref(gvar_dict);
201 update_sample_rate_selector_value();
204 void SamplingBar::update_sample_rate_selector_value()
206 sr_dev_inst *const sdi = get_selected_device();
212 if (sr_config_get(sdi->driver, sdi, NULL,
213 SR_CONF_SAMPLERATE, &gvar) != SR_OK) {
215 "WARNING: Failed to get value of sample rate";
218 samplerate = g_variant_get_uint64(gvar);
219 g_variant_unref(gvar);
221 _updating_sample_rate = true;
222 _sample_rate.set_value(samplerate);
223 _updating_sample_rate = false;
226 void SamplingBar::update_sample_count_selector()
228 sr_dev_inst *const sdi = get_selected_device();
233 _updating_sample_count = true;
235 if (_sample_count_supported)
237 uint64_t sample_count = DefaultSampleCount;
238 uint64_t min_sample_count = 0;
239 uint64_t max_sample_count = MaxSampleCount;
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);
248 min_sample_count = min(max(min_sample_count, MinSampleCount),
251 _sample_count.show_125_list(
252 min_sample_count, max_sample_count);
254 if (sr_config_get(sdi->driver, sdi, NULL,
255 SR_CONF_LIMIT_SAMPLES, &gvar) == SR_OK)
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),
263 g_variant_unref(gvar);
266 _sample_count.set_value(sample_count);
269 _sample_count.show_none();
271 _updating_sample_count = false;
274 void SamplingBar::commit_sample_count()
276 uint64_t sample_count = 0;
278 sr_dev_inst *const sdi = get_selected_device();
281 sample_count = _sample_count.value();
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.";
291 void SamplingBar::commit_sample_rate()
293 uint64_t sample_rate = 0;
295 sr_dev_inst *const sdi = get_selected_device();
298 sample_rate = _sample_rate.value();
299 if (sample_rate == 0)
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.";
310 void SamplingBar::on_device_selected()
314 using namespace pv::popups;
316 if (_updating_device_selector)
319 sr_dev_inst *const sdi = get_selected_device();
320 _session.set_device(sdi);
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);
328 // Update the probes popup
329 Probes *const probes = new Probes(_session, this);
330 _probes_button.set_popup(probes);
332 // Update supported options.
333 _sample_count_supported = false;
335 if (sr_config_list(sdi->driver, sdi, NULL,
336 SR_CONF_DEVICE_OPTIONS, &gvar) == SR_OK)
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++)
343 switch (options[i]) {
344 case SR_CONF_LIMIT_SAMPLES:
345 _sample_count_supported = true;
347 case SR_CONF_LIMIT_FRAMES:
348 sr_config_set(sdi, NULL, SR_CONF_LIMIT_FRAMES,
349 g_variant_new_uint64(1));
355 // Update sweep timing widgets.
356 update_sample_count_selector();
357 update_sample_rate_selector();
360 void SamplingBar::on_sample_count_changed()
362 if(!_updating_sample_count)
363 commit_sample_count();
366 void SamplingBar::on_sample_rate_changed()
368 if (!_updating_sample_rate)
369 commit_sample_rate();
372 void SamplingBar::on_run_stop()
374 commit_sample_count();
375 commit_sample_rate();
379 } // namespace toolbars