MinGW: Drop hardcoded BOOST_ROOT.
[pulseview.git] / pv / samplingbar.cpp
1 /*
2  * This file is part of the PulseView project.
3  *
4  * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
5  *
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.
10  *
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.
15  *
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
19  */
20
21 #include <assert.h>
22
23 #include <boost/foreach.hpp>
24
25 extern "C" {
26 #include <libsigrok/libsigrok.h>
27 }
28
29 #include <QAction>
30
31 #include "samplingbar.h"
32
33 #include <pv/dialogs/hwcap.h>
34
35 namespace pv {
36
37 const uint64_t SamplingBar::RecordLengths[11] = {
38         1000000,
39         2000000,
40         5000000,
41         10000000,
42         25000000,
43         50000000,
44         100000000,
45         250000000,
46         500000000,
47         1000000000,
48         10000000000ULL,
49 };
50
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         _icon_green(":/icons/status-green.svg"),
58         _icon_grey(":/icons/status-grey.svg"),
59         _run_stop_button(this)
60 {
61         connect(&_run_stop_button, SIGNAL(clicked()),
62                 this, SIGNAL(run_stop()));
63         connect(&_device_selector, SIGNAL(currentIndexChanged (int)),
64                 this, SLOT(on_device_selected()));
65         connect(&_configure_button, SIGNAL(clicked()),
66                 this, SLOT(configure()));
67
68         _sample_rate_value.setDecimals(0);
69         _sample_rate_value.setSuffix("Hz");
70
71         BOOST_FOREACH(uint64_t l, RecordLengths)
72         {
73                 char *const text = sr_si_string_u64(l, " samples");
74                 _record_length_selector.addItem(QString(text),
75                         qVariantFromValue(l));
76                 g_free(text);
77         }
78
79         set_sampling(false);
80
81         _configure_button.setIcon(QIcon::fromTheme("configure",
82                 QIcon(":/icons/configure.png")));
83
84         _run_stop_button.setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
85
86         addWidget(&_device_selector);
87         addWidget(&_configure_button);
88         addWidget(&_record_length_selector);
89         _sample_rate_list_action = addWidget(&_sample_rate_list);
90         _sample_rate_value_action = addWidget(&_sample_rate_value);
91         addWidget(&_run_stop_button);
92
93         update_device_selector();
94         update_sample_rate_selector();
95 }
96
97 struct sr_dev_inst* SamplingBar::get_selected_device() const
98 {
99         const int index = _device_selector.currentIndex();
100         if (index < 0)
101                 return NULL;
102
103         return (sr_dev_inst*)_device_selector.itemData(
104                 index).value<void*>();
105 }
106
107 uint64_t SamplingBar::get_record_length() const
108 {
109         const int index = _record_length_selector.currentIndex();
110         if (index < 0)
111                 return 0;
112
113         return _record_length_selector.itemData(index).value<uint64_t>();
114 }
115
116 uint64_t SamplingBar::get_sample_rate() const
117 {
118         assert(_sample_rate_value_action);
119         assert(_sample_rate_list_action);
120
121         if (_sample_rate_value_action->isVisible())
122                 return (uint64_t)_sample_rate_value.value();
123         else if (_sample_rate_list_action->isVisible())
124         {
125                 const int index = _sample_rate_list.currentIndex();
126                 if (index < 0)
127                         return 0;
128                 
129                 return _sample_rate_list.itemData(index).value<uint64_t>();
130         }
131
132         return 0;
133 }
134
135 void SamplingBar::set_sampling(bool sampling)
136 {
137         _run_stop_button.setIcon(sampling ? _icon_green : _icon_grey);
138         _run_stop_button.setText(sampling ? "Stop" : "Run");
139 }
140
141 void SamplingBar::update_device_selector()
142 {
143         GSList *devices = NULL;
144
145         /* Scan all drivers for all devices. */
146         struct sr_dev_driver **const drivers = sr_driver_list();
147         for (struct sr_dev_driver **driver = drivers; *driver; driver++) {
148                 GSList *tmpdevs = sr_driver_scan(*driver, NULL);
149                 for (GSList *l = tmpdevs; l; l = l->next)
150                         devices = g_slist_append(devices, l->data);
151                 g_slist_free(tmpdevs);
152         }
153
154         for (GSList *l = devices; l; l = l->next) {
155                 sr_dev_inst *const sdi = (sr_dev_inst*)l->data;
156
157                 QString title;
158                 if (sdi->vendor && sdi->vendor[0])
159                         title += sdi->vendor + QString(" ");
160                 if (sdi->model && sdi->model[0])
161                         title += sdi->model + QString(" ");
162                 if (sdi->version && sdi->version[0])
163                         title += sdi->version + QString(" ");
164
165                 _device_selector.addItem(title, qVariantFromValue(
166                         (void*)sdi));
167         }
168
169         g_slist_free(devices);
170 }
171
172 void SamplingBar::update_sample_rate_selector()
173 {
174         const sr_dev_inst *const sdi = get_selected_device();
175         const struct sr_samplerates *samplerates;
176
177         assert(_sample_rate_value_action);
178         assert(_sample_rate_list_action);
179
180         if (sr_info_get(sdi->driver, SR_DI_SAMPLERATES,
181                 (const void **)&samplerates, sdi) != SR_OK)
182                 return;
183
184         _sample_rate_list_action->setVisible(false);
185         _sample_rate_value_action->setVisible(false);
186
187         if (samplerates->step)
188         {
189                 _sample_rate_value.setRange(
190                         samplerates->low, samplerates->high);
191                 _sample_rate_value.setSingleStep(samplerates->step);
192                 _sample_rate_value_action->setVisible(true);
193         }
194         else
195         {
196                 _sample_rate_list.clear();
197                 for (const uint64_t *rate = samplerates->list;
198                      *rate; rate++)
199                         _sample_rate_list.addItem(
200                                 sr_samplerate_string(*rate),
201                                 qVariantFromValue(*rate));
202                 _sample_rate_list.show();
203                 _sample_rate_list_action->setVisible(true);
204         }
205 }
206
207 void SamplingBar::on_device_selected()
208 {
209         update_sample_rate_selector();
210 }
211
212 void SamplingBar::configure()
213 {
214         sr_dev_inst *const sdi = get_selected_device();
215         assert(sdi);
216
217         pv::dialogs::HwCap dlg(this, sdi);
218         dlg.exec();
219 }
220
221 } // namespace pv