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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 <extdef.h> | |
22 | ||
23 | #include <assert.h> | |
24 | ||
25 | #include <libsigrok/libsigrok.h> | |
26 | ||
27 | #include <QAction> | |
28 | #include <QDebug> | |
29 | ||
30 | #include "samplingbar.h" | |
31 | ||
32 | #include <pv/dialogs/deviceoptions.h> | |
33 | ||
34 | namespace pv { | |
35 | ||
36 | const uint64_t SamplingBar::RecordLengths[20] = { | |
37 | 1000, | |
38 | 2500, | |
39 | 5000, | |
40 | 10000, | |
41 | 25000, | |
42 | 50000, | |
43 | 100000, | |
44 | 250000, | |
45 | 500000, | |
46 | 1000000, | |
47 | 2000000, | |
48 | 5000000, | |
49 | 10000000, | |
50 | 25000000, | |
51 | 50000000, | |
52 | 100000000, | |
53 | 250000000, | |
54 | 500000000, | |
55 | 1000000000, | |
56 | 10000000000ULL, | |
57 | }; | |
58 | ||
59 | const uint64_t SamplingBar::DefaultRecordLength = 1000000; | |
60 | ||
61 | SamplingBar::SamplingBar(QWidget *parent) : | |
62 | QToolBar("Sampling Bar", parent), | |
63 | _device_selector(this), | |
64 | _configure_button(this), | |
65 | _record_length_selector(this), | |
66 | _sample_rate_list(this), | |
67 | _icon_green(":/icons/status-green.svg"), | |
68 | _icon_grey(":/icons/status-grey.svg"), | |
69 | _run_stop_button(this) | |
70 | { | |
71 | connect(&_run_stop_button, SIGNAL(clicked()), | |
72 | this, SIGNAL(run_stop())); | |
73 | connect(&_device_selector, SIGNAL(currentIndexChanged (int)), | |
74 | this, SLOT(on_device_selected())); | |
75 | connect(&_configure_button, SIGNAL(clicked()), | |
76 | this, SLOT(configure())); | |
77 | ||
78 | _sample_rate_value.setDecimals(0); | |
79 | _sample_rate_value.setSuffix("Hz"); | |
80 | ||
81 | for (size_t i = 0; i < countof(RecordLengths); i++) | |
82 | { | |
83 | const uint64_t &l = RecordLengths[i]; | |
84 | char *const text = sr_si_string_u64(l, " samples"); | |
85 | _record_length_selector.addItem(QString(text), | |
86 | qVariantFromValue(l)); | |
87 | g_free(text); | |
88 | ||
89 | if (l == DefaultRecordLength) | |
90 | _record_length_selector.setCurrentIndex(i); | |
91 | } | |
92 | ||
93 | set_sampling(false); | |
94 | ||
95 | _configure_button.setIcon(QIcon::fromTheme("configure", | |
96 | QIcon(":/icons/configure.png"))); | |
97 | ||
98 | _run_stop_button.setToolButtonStyle(Qt::ToolButtonTextBesideIcon); | |
99 | ||
100 | addWidget(&_device_selector); | |
101 | addWidget(&_configure_button); | |
102 | addWidget(&_record_length_selector); | |
103 | _sample_rate_list_action = addWidget(&_sample_rate_list); | |
104 | _sample_rate_value_action = addWidget(&_sample_rate_value); | |
105 | addWidget(&_run_stop_button); | |
106 | ||
107 | update_device_selector(); | |
108 | ||
109 | update_sample_rate_selector(); | |
110 | connect(&_sample_rate_list, SIGNAL(currentIndexChanged(int)), | |
111 | this, SLOT(on_sample_rate_changed())); | |
112 | connect(&_sample_rate_value, SIGNAL(valueChanged(double)), | |
113 | this, SLOT(on_sample_rate_changed())); | |
114 | } | |
115 | ||
116 | struct sr_dev_inst* SamplingBar::get_selected_device() const | |
117 | { | |
118 | const int index = _device_selector.currentIndex(); | |
119 | if (index < 0) | |
120 | return NULL; | |
121 | ||
122 | return (sr_dev_inst*)_device_selector.itemData( | |
123 | index).value<void*>(); | |
124 | } | |
125 | ||
126 | uint64_t SamplingBar::get_record_length() const | |
127 | { | |
128 | const int index = _record_length_selector.currentIndex(); | |
129 | if (index < 0) | |
130 | return 0; | |
131 | ||
132 | return _record_length_selector.itemData(index).value<uint64_t>(); | |
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_config_list(sdi->driver, SR_CONF_SAMPLERATE, | |
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 | update_sample_rate_selector_value(); | |
207 | } | |
208 | ||
209 | void SamplingBar::update_sample_rate_selector_value() | |
210 | { | |
211 | sr_dev_inst *const sdi = get_selected_device(); | |
212 | assert(sdi); | |
213 | ||
214 | uint64_t *samplerate = NULL; | |
215 | if(sr_config_get(sdi->driver, SR_CONF_SAMPLERATE, | |
216 | (const void**)&samplerate, sdi) != SR_OK) { | |
217 | qDebug() << | |
218 | "WARNING: Failed to get value of sample rate"; | |
219 | return; | |
220 | } | |
221 | ||
222 | assert(_sample_rate_value_action); | |
223 | assert(_sample_rate_list_action); | |
224 | ||
225 | if (_sample_rate_value_action->isVisible()) | |
226 | _sample_rate_value.setValue(*samplerate); | |
227 | else if (_sample_rate_list_action->isVisible()) | |
228 | { | |
229 | for(int i = 0; i < _sample_rate_list.count(); i++) | |
230 | if(*samplerate == _sample_rate_list.itemData( | |
231 | i).value<uint64_t>()) | |
232 | _sample_rate_list.setCurrentIndex(i); | |
233 | } | |
234 | } | |
235 | ||
236 | void SamplingBar::commit_sample_rate() | |
237 | { | |
238 | uint64_t sample_rate = 0; | |
239 | ||
240 | sr_dev_inst *const sdi = get_selected_device(); | |
241 | assert(sdi); | |
242 | ||
243 | assert(_sample_rate_value_action); | |
244 | assert(_sample_rate_list_action); | |
245 | ||
246 | if (_sample_rate_value_action->isVisible()) | |
247 | sample_rate = (uint64_t)_sample_rate_value.value(); | |
248 | else if (_sample_rate_list_action->isVisible()) | |
249 | { | |
250 | const int index = _sample_rate_list.currentIndex(); | |
251 | if (index >= 0) | |
252 | sample_rate = _sample_rate_list.itemData( | |
253 | index).value<uint64_t>(); | |
254 | } | |
255 | ||
256 | // Set the samplerate | |
257 | if (sr_config_set(sdi, SR_CONF_SAMPLERATE, | |
258 | &sample_rate) != SR_OK) { | |
259 | qDebug() << "Failed to configure samplerate."; | |
260 | return; | |
261 | } | |
262 | } | |
263 | ||
264 | void SamplingBar::on_device_selected() | |
265 | { | |
266 | update_sample_rate_selector(); | |
267 | } | |
268 | ||
269 | void SamplingBar::on_sample_rate_changed() | |
270 | { | |
271 | commit_sample_rate(); | |
272 | } | |
273 | ||
274 | void SamplingBar::configure() | |
275 | { | |
276 | commit_sample_rate(); | |
277 | ||
278 | sr_dev_inst *const sdi = get_selected_device(); | |
279 | assert(sdi); | |
280 | ||
281 | pv::dialogs::DeviceOptions dlg(this, sdi); | |
282 | dlg.exec(); | |
283 | ||
284 | update_sample_rate_selector_value(); | |
285 | } | |
286 | ||
287 | } // namespace pv |