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
23 #include <boost/foreach.hpp>
26 #include <libsigrok/libsigrok.h>
31 #include "samplingbar.h"
33 #include <pv/dialogs/hwcap.h>
37 const uint64_t SamplingBar::RecordLengths[11] = {
51 SamplingBar::SamplingBar(QWidget *parent) :
52 QToolBar("Sampling Bar", parent),
53 _device_selector(this),
54 _configure_button(this),
55 _record_length_selector(this),
56 _sample_rate_list(this),
57 _run_stop_button(this)
59 connect(&_run_stop_button, SIGNAL(clicked()),
60 this, SIGNAL(run_stop()));
61 connect(&_device_selector, SIGNAL(currentIndexChanged (int)),
62 this, SLOT(on_device_selected()));
63 connect(&_configure_button, SIGNAL(clicked()),
64 this, SLOT(configure()));
66 _sample_rate_value.setDecimals(0);
67 _sample_rate_value.setSuffix("Hz");
69 BOOST_FOREACH(uint64_t l, RecordLengths)
71 char *const text = sr_si_string_u64(l, " samples");
72 _record_length_selector.addItem(QString(text),
73 qVariantFromValue(l));
79 _configure_button.setIcon(QIcon::fromTheme("configure"));
81 addWidget(&_device_selector);
82 addWidget(&_configure_button);
83 addWidget(&_record_length_selector);
84 _sample_rate_list_action = addWidget(&_sample_rate_list);
85 _sample_rate_value_action = addWidget(&_sample_rate_value);
86 addWidget(&_run_stop_button);
88 update_device_selector();
89 update_sample_rate_selector();
92 struct sr_dev_inst* SamplingBar::get_selected_device() const
94 const int index = _device_selector.currentIndex();
98 return (sr_dev_inst*)_device_selector.itemData(
99 index).value<void*>();
102 uint64_t SamplingBar::get_record_length() const
104 const int index = _record_length_selector.currentIndex();
108 return _record_length_selector.itemData(index).value<uint64_t>();
111 uint64_t SamplingBar::get_sample_rate() const
113 assert(_sample_rate_value_action);
114 assert(_sample_rate_list_action);
116 if (_sample_rate_value_action->isVisible())
117 return (uint64_t)_sample_rate_value.value();
118 else if (_sample_rate_list_action->isVisible())
120 const int index = _sample_rate_list.currentIndex();
124 return _sample_rate_list.itemData(index).value<uint64_t>();
130 void SamplingBar::set_sampling(bool sampling)
132 _run_stop_button.setText(sampling ? "Stop" : "Run");
135 void SamplingBar::update_device_selector()
137 GSList *devices = NULL;
139 /* Scan all drivers for all devices. */
140 struct sr_dev_driver **const drivers = sr_driver_list();
141 for (struct sr_dev_driver **driver = drivers; *driver; driver++) {
142 GSList *tmpdevs = sr_driver_scan(*driver, NULL);
143 for (GSList *l = tmpdevs; l; l = l->next)
144 devices = g_slist_append(devices, l->data);
145 g_slist_free(tmpdevs);
148 for (GSList *l = devices; l; l = l->next) {
149 sr_dev_inst *const sdi = (sr_dev_inst*)l->data;
152 if (sdi->vendor && sdi->vendor[0])
153 title += sdi->vendor + QString(" ");
154 if (sdi->model && sdi->model[0])
155 title += sdi->model + QString(" ");
156 if (sdi->version && sdi->version[0])
157 title += sdi->version + QString(" ");
159 _device_selector.addItem(title, qVariantFromValue(
163 g_slist_free(devices);
166 void SamplingBar::update_sample_rate_selector()
168 const sr_dev_inst *const sdi = get_selected_device();
169 const struct sr_samplerates *samplerates;
171 assert(_sample_rate_value_action);
172 assert(_sample_rate_list_action);
174 if (sr_info_get(sdi->driver, SR_DI_SAMPLERATES,
175 (const void **)&samplerates, sdi) != SR_OK)
178 _sample_rate_list_action->setVisible(false);
179 _sample_rate_value_action->setVisible(false);
181 if (samplerates->step)
183 _sample_rate_value.setRange(
184 samplerates->low, samplerates->high);
185 _sample_rate_value.setSingleStep(samplerates->step);
186 _sample_rate_value_action->setVisible(true);
190 _sample_rate_list.clear();
191 for (const uint64_t *rate = samplerates->list;
193 _sample_rate_list.addItem(
194 sr_samplerate_string(*rate),
195 qVariantFromValue(*rate));
196 _sample_rate_list.show();
197 _sample_rate_list_action->setVisible(true);
201 void SamplingBar::on_device_selected()
203 update_sample_rate_selector();
206 void SamplingBar::configure()
208 sr_dev_inst *const sdi = get_selected_device();
211 pv::dialogs::HwCap dlg(this, sdi);