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>
43 const uint64_t SamplingBar::RecordLengths[20] = {
66 const uint64_t SamplingBar::DefaultRecordLength = 1000000;
68 SamplingBar::SamplingBar(SigSession &session, QWidget *parent) :
69 QToolBar("Sampling Bar", parent),
71 _device_selector(this),
72 _updating_device_selector(false),
73 _configure_button(this),
74 _configure_button_action(NULL),
76 _record_length_selector(this),
77 _sample_rate("Hz", this),
78 _updating_sample_rate(false),
79 _icon_red(":/icons/status-red.svg"),
80 _icon_green(":/icons/status-green.svg"),
81 _icon_grey(":/icons/status-grey.svg"),
82 _run_stop_button(this)
84 connect(&_run_stop_button, SIGNAL(clicked()),
85 this, SLOT(on_run_stop()));
86 connect(&_device_selector, SIGNAL(currentIndexChanged (int)),
87 this, SLOT(on_device_selected()));
88 connect(&_sample_rate, SIGNAL(value_changed()),
89 this, SLOT(on_sample_rate_changed()));
91 for (size_t i = 0; i < countof(RecordLengths); i++)
93 const uint64_t &l = RecordLengths[i];
94 char *const text = sr_si_string_u64(l, " samples");
95 _record_length_selector.addItem(QString::fromUtf8(text),
96 qVariantFromValue(l));
99 if (l == DefaultRecordLength)
100 _record_length_selector.setCurrentIndex(i);
103 set_capture_state(pv::SigSession::Stopped);
105 _configure_button.setIcon(QIcon::fromTheme("configure",
106 QIcon(":/icons/configure.png")));
108 _probes_button.setIcon(QIcon::fromTheme("probes",
109 QIcon(":/icons/probes.svg")));
111 _run_stop_button.setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
113 addWidget(&_device_selector);
114 _configure_button_action = addWidget(&_configure_button);
115 addWidget(&_probes_button);
116 addWidget(&_record_length_selector);
117 addWidget(&_sample_rate);
119 addWidget(&_run_stop_button);
122 void SamplingBar::set_device_list(
123 const std::list<struct sr_dev_inst*> &devices)
125 _updating_device_selector = true;
127 _device_selector.clear();
129 BOOST_FOREACH (sr_dev_inst *sdi, devices) {
130 const string title = DeviceManager::format_device_title(sdi);
131 _device_selector.addItem(title.c_str(),
132 qVariantFromValue((void*)sdi));
135 _updating_device_selector = false;
137 on_device_selected();
140 struct sr_dev_inst* SamplingBar::get_selected_device() const
142 const int index = _device_selector.currentIndex();
146 return (sr_dev_inst*)_device_selector.itemData(
147 index).value<void*>();
150 void SamplingBar::set_selected_device(struct sr_dev_inst *const sdi)
152 for (int i = 0; i < _device_selector.count(); i++)
153 if (sdi == _device_selector.itemData(i).value<void*>()) {
154 _device_selector.setCurrentIndex(i);
159 uint64_t SamplingBar::get_record_length() const
161 const int index = _record_length_selector.currentIndex();
165 return _record_length_selector.itemData(index).value<uint64_t>();
168 void SamplingBar::set_capture_state(pv::SigSession::capture_state state)
170 const QIcon *icons[] = {&_icon_grey, &_icon_red, &_icon_green};
171 _run_stop_button.setIcon(*icons[state]);
172 _run_stop_button.setText((state == pv::SigSession::Stopped) ?
173 tr("Run") : tr("Stop"));
176 void SamplingBar::update_sample_rate_selector()
178 const sr_dev_inst *const sdi = get_selected_device();
179 GVariant *gvar_dict, *gvar_list;
180 const uint64_t *elements = NULL;
186 _updating_sample_rate = true;
188 if (sr_config_list(sdi->driver, sdi, NULL,
189 SR_CONF_SAMPLERATE, &gvar_dict) != SR_OK)
191 _sample_rate.show_none();
192 _updating_sample_rate = false;
196 if ((gvar_list = g_variant_lookup_value(gvar_dict,
197 "samplerate-steps", G_VARIANT_TYPE("at"))))
199 elements = (const uint64_t *)g_variant_get_fixed_array(
200 gvar_list, &num_elements, sizeof(uint64_t));
201 _sample_rate.show_min_max_step(elements[0], elements[1],
203 g_variant_unref(gvar_list);
205 else if ((gvar_list = g_variant_lookup_value(gvar_dict,
206 "samplerates", G_VARIANT_TYPE("at"))))
208 elements = (const uint64_t *)g_variant_get_fixed_array(
209 gvar_list, &num_elements, sizeof(uint64_t));
210 _sample_rate.show_list(elements, num_elements);
211 g_variant_unref(gvar_list);
213 _updating_sample_rate = false;
215 g_variant_unref(gvar_dict);
216 update_sample_rate_selector_value();
219 void SamplingBar::update_sample_rate_selector_value()
221 sr_dev_inst *const sdi = get_selected_device();
227 if (sr_config_get(sdi->driver, sdi, NULL,
228 SR_CONF_SAMPLERATE, &gvar) != SR_OK) {
230 "WARNING: Failed to get value of sample rate";
233 samplerate = g_variant_get_uint64(gvar);
234 g_variant_unref(gvar);
236 _updating_sample_rate = true;
237 _sample_rate.set_value(samplerate);
238 _updating_sample_rate = false;
241 void SamplingBar::commit_sample_rate()
243 uint64_t sample_rate = 0;
245 sr_dev_inst *const sdi = get_selected_device();
248 sample_rate = _sample_rate.value();
249 if (sample_rate == 0)
252 // Set the samplerate
253 if (sr_config_set(sdi, NULL, SR_CONF_SAMPLERATE,
254 g_variant_new_uint64(sample_rate)) != SR_OK) {
255 qDebug() << "Failed to configure samplerate.";
260 void SamplingBar::on_device_selected()
262 using namespace pv::popups;
264 if (_updating_device_selector)
267 update_sample_rate_selector();
269 sr_dev_inst *const sdi = get_selected_device();
270 _session.set_device(sdi);
272 // Update the configure popup
273 DeviceOptions *const opts = new DeviceOptions(sdi, this);
274 _configure_button_action->setVisible(
275 !opts->binding().properties().empty());
276 _configure_button.set_popup(opts);
278 // Update the probes popup
279 Probes *const probes = new Probes(_session, this);
280 _probes_button.set_popup(probes);
283 void SamplingBar::on_sample_rate_changed()
285 if (!_updating_sample_rate)
286 commit_sample_rate();
289 void SamplingBar::on_run_stop()
291 commit_sample_rate();
295 } // namespace toolbars