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 <libsigrok/libsigrok.h>
29 #include "samplingbar.h"
31 #include <pv/dialogs/deviceoptions.h>
35 const uint64_t SamplingBar::RecordLengths[20] = {
58 const uint64_t SamplingBar::DefaultRecordLength = 1000000;
60 SamplingBar::SamplingBar(QWidget *parent) :
61 QToolBar("Sampling Bar", parent),
62 _device_selector(this),
63 _configure_button(this),
64 _record_length_selector(this),
65 _sample_rate_list(this),
66 _icon_green(":/icons/status-green.svg"),
67 _icon_grey(":/icons/status-grey.svg"),
68 _run_stop_button(this)
70 connect(&_run_stop_button, SIGNAL(clicked()),
71 this, SIGNAL(run_stop()));
72 connect(&_device_selector, SIGNAL(currentIndexChanged (int)),
73 this, SLOT(on_device_selected()));
74 connect(&_configure_button, SIGNAL(clicked()),
75 this, SLOT(configure()));
77 _sample_rate_value.setDecimals(0);
78 _sample_rate_value.setSuffix("Hz");
80 for(size_t i = 0; i < countof(RecordLengths); i++)
82 const uint64_t &l = RecordLengths[i];
83 char *const text = sr_si_string_u64(l, " samples");
84 _record_length_selector.addItem(QString(text),
85 qVariantFromValue(l));
88 if(l == DefaultRecordLength)
89 _record_length_selector.setCurrentIndex(i);
94 _configure_button.setIcon(QIcon::fromTheme("configure",
95 QIcon(":/icons/configure.png")));
97 _run_stop_button.setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
99 addWidget(&_device_selector);
100 addWidget(&_configure_button);
101 addWidget(&_record_length_selector);
102 _sample_rate_list_action = addWidget(&_sample_rate_list);
103 _sample_rate_value_action = addWidget(&_sample_rate_value);
104 addWidget(&_run_stop_button);
106 update_device_selector();
107 update_sample_rate_selector();
110 struct sr_dev_inst* SamplingBar::get_selected_device() const
112 const int index = _device_selector.currentIndex();
116 return (sr_dev_inst*)_device_selector.itemData(
117 index).value<void*>();
120 uint64_t SamplingBar::get_record_length() const
122 const int index = _record_length_selector.currentIndex();
126 return _record_length_selector.itemData(index).value<uint64_t>();
129 uint64_t SamplingBar::get_sample_rate() const
131 assert(_sample_rate_value_action);
132 assert(_sample_rate_list_action);
134 if (_sample_rate_value_action->isVisible())
135 return (uint64_t)_sample_rate_value.value();
136 else if (_sample_rate_list_action->isVisible())
138 const int index = _sample_rate_list.currentIndex();
142 return _sample_rate_list.itemData(index).value<uint64_t>();
148 void SamplingBar::set_sampling(bool sampling)
150 _run_stop_button.setIcon(sampling ? _icon_green : _icon_grey);
151 _run_stop_button.setText(sampling ? "Stop" : "Run");
154 void SamplingBar::update_device_selector()
156 GSList *devices = NULL;
158 /* Scan all drivers for all devices. */
159 struct sr_dev_driver **const drivers = sr_driver_list();
160 for (struct sr_dev_driver **driver = drivers; *driver; driver++) {
161 GSList *tmpdevs = sr_driver_scan(*driver, NULL);
162 for (GSList *l = tmpdevs; l; l = l->next)
163 devices = g_slist_append(devices, l->data);
164 g_slist_free(tmpdevs);
167 for (GSList *l = devices; l; l = l->next) {
168 sr_dev_inst *const sdi = (sr_dev_inst*)l->data;
171 if (sdi->vendor && sdi->vendor[0])
172 title += sdi->vendor + QString(" ");
173 if (sdi->model && sdi->model[0])
174 title += sdi->model + QString(" ");
175 if (sdi->version && sdi->version[0])
176 title += sdi->version + QString(" ");
178 _device_selector.addItem(title, qVariantFromValue(
182 g_slist_free(devices);
185 void SamplingBar::update_sample_rate_selector()
187 const sr_dev_inst *const sdi = get_selected_device();
188 const struct sr_samplerates *samplerates;
190 assert(_sample_rate_value_action);
191 assert(_sample_rate_list_action);
193 if (sr_config_list(sdi->driver, SR_CONF_SAMPLERATE,
194 (const void **)&samplerates, sdi) != SR_OK)
197 _sample_rate_list_action->setVisible(false);
198 _sample_rate_value_action->setVisible(false);
200 if (samplerates->step)
202 _sample_rate_value.setRange(
203 samplerates->low, samplerates->high);
204 _sample_rate_value.setSingleStep(samplerates->step);
205 _sample_rate_value_action->setVisible(true);
209 _sample_rate_list.clear();
210 for (const uint64_t *rate = samplerates->list;
212 _sample_rate_list.addItem(
213 sr_samplerate_string(*rate),
214 qVariantFromValue(*rate));
215 _sample_rate_list.show();
216 _sample_rate_list_action->setVisible(true);
220 void SamplingBar::on_device_selected()
222 update_sample_rate_selector();
225 void SamplingBar::configure()
227 sr_dev_inst *const sdi = get_selected_device();
230 pv::dialogs::DeviceOptions dlg(this, sdi);