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::DefaultRecordLength = 1000000;
45 SamplingBar::SamplingBar(SigSession &session, QWidget *parent) :
46 QToolBar("Sampling Bar", parent),
48 _device_selector(this),
49 _updating_device_selector(false),
50 _configure_button(this),
51 _configure_button_action(NULL),
53 _sample_count(" samples", this),
54 _sample_rate("Hz", this),
55 _updating_sample_rate(false),
56 _updating_sample_count(false),
57 _sample_count_supported(false),
58 _icon_red(":/icons/status-red.svg"),
59 _icon_green(":/icons/status-green.svg"),
60 _icon_grey(":/icons/status-grey.svg"),
61 _run_stop_button(this)
63 connect(&_run_stop_button, SIGNAL(clicked()),
64 this, SLOT(on_run_stop()));
65 connect(&_device_selector, SIGNAL(currentIndexChanged (int)),
66 this, SLOT(on_device_selected()));
67 connect(&_sample_count, SIGNAL(value_changed()),
68 this, SLOT(on_sample_count_changed()));
69 connect(&_sample_rate, SIGNAL(value_changed()),
70 this, SLOT(on_sample_rate_changed()));
72 _sample_count.show_min_max_step(0, UINT64_MAX, 1);
74 set_capture_state(pv::SigSession::Stopped);
76 _configure_button.setIcon(QIcon::fromTheme("configure",
77 QIcon(":/icons/configure.png")));
79 _probes_button.setIcon(QIcon::fromTheme("probes",
80 QIcon(":/icons/probes.svg")));
82 _run_stop_button.setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
84 addWidget(&_device_selector);
85 _configure_button_action = addWidget(&_configure_button);
86 addWidget(&_probes_button);
87 addWidget(&_sample_count);
88 addWidget(&_sample_rate);
90 addWidget(&_run_stop_button);
93 void SamplingBar::set_device_list(
94 const std::list<struct sr_dev_inst*> &devices)
96 _updating_device_selector = true;
98 _device_selector.clear();
100 BOOST_FOREACH (sr_dev_inst *sdi, devices) {
101 const string title = DeviceManager::format_device_title(sdi);
102 _device_selector.addItem(title.c_str(),
103 qVariantFromValue((void*)sdi));
106 _updating_device_selector = false;
108 on_device_selected();
111 struct sr_dev_inst* SamplingBar::get_selected_device() const
113 const int index = _device_selector.currentIndex();
117 return (sr_dev_inst*)_device_selector.itemData(
118 index).value<void*>();
121 void SamplingBar::set_selected_device(struct sr_dev_inst *const sdi)
123 for (int i = 0; i < _device_selector.count(); i++)
124 if (sdi == _device_selector.itemData(i).value<void*>()) {
125 _device_selector.setCurrentIndex(i);
130 void SamplingBar::set_capture_state(pv::SigSession::capture_state state)
132 const QIcon *icons[] = {&_icon_grey, &_icon_red, &_icon_green};
133 _run_stop_button.setIcon(*icons[state]);
134 _run_stop_button.setText((state == pv::SigSession::Stopped) ?
135 tr("Run") : tr("Stop"));
138 void SamplingBar::update_sample_rate_selector()
140 const sr_dev_inst *const sdi = get_selected_device();
141 GVariant *gvar_dict, *gvar_list;
142 const uint64_t *elements = NULL;
148 _updating_sample_rate = true;
150 if (sr_config_list(sdi->driver, sdi, NULL,
151 SR_CONF_SAMPLERATE, &gvar_dict) != SR_OK)
153 _sample_rate.show_none();
154 _updating_sample_rate = false;
158 if ((gvar_list = g_variant_lookup_value(gvar_dict,
159 "samplerate-steps", G_VARIANT_TYPE("at"))))
161 elements = (const uint64_t *)g_variant_get_fixed_array(
162 gvar_list, &num_elements, sizeof(uint64_t));
163 _sample_rate.show_min_max_step(elements[0], elements[1],
165 g_variant_unref(gvar_list);
167 else if ((gvar_list = g_variant_lookup_value(gvar_dict,
168 "samplerates", G_VARIANT_TYPE("at"))))
170 elements = (const uint64_t *)g_variant_get_fixed_array(
171 gvar_list, &num_elements, sizeof(uint64_t));
172 _sample_rate.show_list(elements, num_elements);
173 g_variant_unref(gvar_list);
175 _updating_sample_rate = false;
177 g_variant_unref(gvar_dict);
178 update_sample_rate_selector_value();
181 void SamplingBar::update_sample_rate_selector_value()
183 sr_dev_inst *const sdi = get_selected_device();
189 if (sr_config_get(sdi->driver, sdi, NULL,
190 SR_CONF_SAMPLERATE, &gvar) != SR_OK) {
192 "WARNING: Failed to get value of sample rate";
195 samplerate = g_variant_get_uint64(gvar);
196 g_variant_unref(gvar);
198 _updating_sample_rate = true;
199 _sample_rate.set_value(samplerate);
200 _updating_sample_rate = false;
203 void SamplingBar::update_sample_count_selector()
205 sr_dev_inst *const sdi = get_selected_device();
207 uint64_t samplecount;
211 if (sr_config_get(sdi->driver, sdi, NULL,
212 SR_CONF_LIMIT_SAMPLES, &gvar) != SR_OK)
214 _sample_count_supported = false;
215 _sample_count.show_none();
219 _sample_count_supported = true;
220 _sample_count.show_min_max_step(0, UINT64_MAX, 1);
222 samplecount = g_variant_get_uint64(gvar);
223 g_variant_unref(gvar);
225 _updating_sample_count = true;
226 _sample_count.set_value(samplecount);
227 _updating_sample_count = false;
231 void SamplingBar::commit_sample_count()
233 uint64_t sample_count = 0;
235 sr_dev_inst *const sdi = get_selected_device();
238 sample_count = _sample_count.value();
240 // Set the sample count
241 if (sr_config_set(sdi, NULL, SR_CONF_LIMIT_SAMPLES,
242 g_variant_new_uint64(sample_count)) != SR_OK) {
243 qDebug() << "Failed to configure sample count.";
248 void SamplingBar::commit_sample_rate()
250 uint64_t sample_rate = 0;
252 sr_dev_inst *const sdi = get_selected_device();
255 sample_rate = _sample_rate.value();
256 if (sample_rate == 0)
259 // Set the samplerate
260 if (sr_config_set(sdi, NULL, SR_CONF_SAMPLERATE,
261 g_variant_new_uint64(sample_rate)) != SR_OK) {
262 qDebug() << "Failed to configure samplerate.";
267 void SamplingBar::on_device_selected()
269 using namespace pv::popups;
271 if (_updating_device_selector)
274 sr_dev_inst *const sdi = get_selected_device();
275 _session.set_device(sdi);
277 // Update the configure popup
278 DeviceOptions *const opts = new DeviceOptions(sdi, this);
279 _configure_button_action->setVisible(
280 !opts->binding().properties().empty());
281 _configure_button.set_popup(opts);
283 // Update the probes popup
284 Probes *const probes = new Probes(_session, this);
285 _probes_button.set_popup(probes);
287 // Update sweep timing widgets.
288 update_sample_count_selector();
289 update_sample_rate_selector();
291 if (_sample_count_supported && _sample_count.value() == 0) {
292 _sample_count.set_value(DefaultRecordLength);
293 commit_sample_count();
297 void SamplingBar::on_sample_count_changed()
299 if(!_updating_sample_count)
300 commit_sample_count();
303 void SamplingBar::on_sample_rate_changed()
305 if (!_updating_sample_rate)
306 commit_sample_rate();
309 void SamplingBar::on_run_stop()
311 commit_sample_rate();
315 } // namespace toolbars