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