]>
Commit | Line | Data |
---|---|---|
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 <boost/foreach.hpp> | |
26 | ||
27 | #include <libsigrok/libsigrok.h> | |
28 | ||
29 | #include <QAction> | |
30 | #include <QDebug> | |
31 | ||
32 | #include "samplingbar.h" | |
33 | ||
34 | #include <pv/devicemanager.h> | |
35 | #include <pv/popups/deviceoptions.h> | |
36 | #include <pv/popups/probes.h> | |
37 | ||
38 | using std::string; | |
39 | ||
40 | namespace pv { | |
41 | namespace toolbars { | |
42 | ||
43 | const uint64_t SamplingBar::RecordLengths[20] = { | |
44 | 1000, | |
45 | 2500, | |
46 | 5000, | |
47 | 10000, | |
48 | 25000, | |
49 | 50000, | |
50 | 100000, | |
51 | 250000, | |
52 | 500000, | |
53 | 1000000, | |
54 | 2000000, | |
55 | 5000000, | |
56 | 10000000, | |
57 | 25000000, | |
58 | 50000000, | |
59 | 100000000, | |
60 | 250000000, | |
61 | 500000000, | |
62 | 1000000000, | |
63 | 10000000000ULL, | |
64 | }; | |
65 | ||
66 | const uint64_t SamplingBar::DefaultRecordLength = 1000000; | |
67 | ||
68 | SamplingBar::SamplingBar(SigSession &session, QWidget *parent) : | |
69 | QToolBar("Sampling Bar", parent), | |
70 | _session(session), | |
71 | _device_selector(this), | |
72 | _updating_device_selector(false), | |
73 | _configure_button(this), | |
74 | _configure_button_action(NULL), | |
75 | _probes_button(this), | |
76 | _record_length_selector(this), | |
77 | _sample_rate("Hz", this), | |
78 | _updating_sample_rate(false), | |
79 | _icon_red(":/icons/status-red.svg"), | |
80 | _icon_green(":/icons/status-green.svg"), | |
81 | _icon_grey(":/icons/status-grey.svg"), | |
82 | _run_stop_button(this) | |
83 | { | |
84 | connect(&_run_stop_button, SIGNAL(clicked()), | |
85 | this, SLOT(on_run_stop())); | |
86 | connect(&_device_selector, SIGNAL(currentIndexChanged (int)), | |
87 | this, SLOT(on_device_selected())); | |
88 | connect(&_sample_rate, SIGNAL(value_changed()), | |
89 | this, SLOT(on_sample_rate_changed())); | |
90 | ||
91 | for (size_t i = 0; i < countof(RecordLengths); i++) | |
92 | { | |
93 | const uint64_t &l = RecordLengths[i]; | |
94 | char *const text = sr_si_string_u64(l, " samples"); | |
95 | _record_length_selector.addItem(QString::fromUtf8(text), | |
96 | qVariantFromValue(l)); | |
97 | g_free(text); | |
98 | ||
99 | if (l == DefaultRecordLength) | |
100 | _record_length_selector.setCurrentIndex(i); | |
101 | } | |
102 | ||
103 | set_capture_state(pv::SigSession::Stopped); | |
104 | ||
105 | _configure_button.setIcon(QIcon::fromTheme("configure", | |
106 | QIcon(":/icons/configure.png"))); | |
107 | ||
108 | _probes_button.setIcon(QIcon::fromTheme("probes", | |
109 | QIcon(":/icons/probes.svg"))); | |
110 | ||
111 | _run_stop_button.setToolButtonStyle(Qt::ToolButtonTextBesideIcon); | |
112 | ||
113 | addWidget(&_device_selector); | |
114 | _configure_button_action = addWidget(&_configure_button); | |
115 | addWidget(&_probes_button); | |
116 | addWidget(&_record_length_selector); | |
117 | addWidget(&_sample_rate); | |
118 | ||
119 | addWidget(&_run_stop_button); | |
120 | } | |
121 | ||
122 | void SamplingBar::set_device_list( | |
123 | const std::list<struct sr_dev_inst*> &devices) | |
124 | { | |
125 | _updating_device_selector = true; | |
126 | ||
127 | _device_selector.clear(); | |
128 | ||
129 | BOOST_FOREACH (sr_dev_inst *sdi, devices) { | |
130 | const string title = DeviceManager::format_device_title(sdi); | |
131 | _device_selector.addItem(title.c_str(), | |
132 | qVariantFromValue((void*)sdi)); | |
133 | } | |
134 | ||
135 | _updating_device_selector = false; | |
136 | ||
137 | on_device_selected(); | |
138 | } | |
139 | ||
140 | struct sr_dev_inst* SamplingBar::get_selected_device() const | |
141 | { | |
142 | const int index = _device_selector.currentIndex(); | |
143 | if (index < 0) | |
144 | return NULL; | |
145 | ||
146 | return (sr_dev_inst*)_device_selector.itemData( | |
147 | index).value<void*>(); | |
148 | } | |
149 | ||
150 | void SamplingBar::set_selected_device(struct sr_dev_inst *const sdi) | |
151 | { | |
152 | for (int i = 0; i < _device_selector.count(); i++) | |
153 | if (sdi == _device_selector.itemData(i).value<void*>()) { | |
154 | _device_selector.setCurrentIndex(i); | |
155 | return; | |
156 | } | |
157 | } | |
158 | ||
159 | uint64_t SamplingBar::get_record_length() const | |
160 | { | |
161 | const int index = _record_length_selector.currentIndex(); | |
162 | if (index < 0) | |
163 | return 0; | |
164 | ||
165 | return _record_length_selector.itemData(index).value<uint64_t>(); | |
166 | } | |
167 | ||
168 | void SamplingBar::set_capture_state(pv::SigSession::capture_state state) | |
169 | { | |
170 | const QIcon *icons[] = {&_icon_grey, &_icon_red, &_icon_green}; | |
171 | _run_stop_button.setIcon(*icons[state]); | |
172 | _run_stop_button.setText((state == pv::SigSession::Stopped) ? | |
173 | tr("Run") : tr("Stop")); | |
174 | } | |
175 | ||
176 | void SamplingBar::update_sample_rate_selector() | |
177 | { | |
178 | const sr_dev_inst *const sdi = get_selected_device(); | |
179 | GVariant *gvar_dict, *gvar_list; | |
180 | const uint64_t *elements = NULL; | |
181 | gsize num_elements; | |
182 | ||
183 | if (!sdi) | |
184 | return; | |
185 | ||
186 | _updating_sample_rate = true; | |
187 | ||
188 | if (sr_config_list(sdi->driver, sdi, NULL, | |
189 | SR_CONF_SAMPLERATE, &gvar_dict) != SR_OK) | |
190 | { | |
191 | _sample_rate.show_none(); | |
192 | _updating_sample_rate = false; | |
193 | return; | |
194 | } | |
195 | ||
196 | if ((gvar_list = g_variant_lookup_value(gvar_dict, | |
197 | "samplerate-steps", G_VARIANT_TYPE("at")))) | |
198 | { | |
199 | elements = (const uint64_t *)g_variant_get_fixed_array( | |
200 | gvar_list, &num_elements, sizeof(uint64_t)); | |
201 | _sample_rate.show_min_max_step(elements[0], elements[1], | |
202 | elements[2]); | |
203 | g_variant_unref(gvar_list); | |
204 | } | |
205 | else if ((gvar_list = g_variant_lookup_value(gvar_dict, | |
206 | "samplerates", G_VARIANT_TYPE("at")))) | |
207 | { | |
208 | elements = (const uint64_t *)g_variant_get_fixed_array( | |
209 | gvar_list, &num_elements, sizeof(uint64_t)); | |
210 | _sample_rate.show_list(elements, num_elements); | |
211 | g_variant_unref(gvar_list); | |
212 | } | |
213 | _updating_sample_rate = false; | |
214 | ||
215 | g_variant_unref(gvar_dict); | |
216 | update_sample_rate_selector_value(); | |
217 | } | |
218 | ||
219 | void SamplingBar::update_sample_rate_selector_value() | |
220 | { | |
221 | sr_dev_inst *const sdi = get_selected_device(); | |
222 | GVariant *gvar; | |
223 | uint64_t samplerate; | |
224 | ||
225 | assert(sdi); | |
226 | ||
227 | if (sr_config_get(sdi->driver, sdi, NULL, | |
228 | SR_CONF_SAMPLERATE, &gvar) != SR_OK) { | |
229 | qDebug() << | |
230 | "WARNING: Failed to get value of sample rate"; | |
231 | return; | |
232 | } | |
233 | samplerate = g_variant_get_uint64(gvar); | |
234 | g_variant_unref(gvar); | |
235 | ||
236 | _updating_sample_rate = true; | |
237 | _sample_rate.set_value(samplerate); | |
238 | _updating_sample_rate = false; | |
239 | } | |
240 | ||
241 | void SamplingBar::commit_sample_rate() | |
242 | { | |
243 | uint64_t sample_rate = 0; | |
244 | ||
245 | sr_dev_inst *const sdi = get_selected_device(); | |
246 | assert(sdi); | |
247 | ||
248 | sample_rate = _sample_rate.value(); | |
249 | if (sample_rate == 0) | |
250 | return; | |
251 | ||
252 | // Set the samplerate | |
253 | if (sr_config_set(sdi, NULL, SR_CONF_SAMPLERATE, | |
254 | g_variant_new_uint64(sample_rate)) != SR_OK) { | |
255 | qDebug() << "Failed to configure samplerate."; | |
256 | return; | |
257 | } | |
258 | } | |
259 | ||
260 | void SamplingBar::on_device_selected() | |
261 | { | |
262 | using namespace pv::popups; | |
263 | ||
264 | if (_updating_device_selector) | |
265 | return; | |
266 | ||
267 | update_sample_rate_selector(); | |
268 | ||
269 | sr_dev_inst *const sdi = get_selected_device(); | |
270 | _session.set_device(sdi); | |
271 | ||
272 | // Update the configure popup | |
273 | DeviceOptions *const opts = new DeviceOptions(sdi, this); | |
274 | _configure_button_action->setVisible( | |
275 | !opts->binding().properties().empty()); | |
276 | _configure_button.set_popup(opts); | |
277 | ||
278 | // Update the probes popup | |
279 | Probes *const probes = new Probes(_session, this); | |
280 | _probes_button.set_popup(probes); | |
281 | } | |
282 | ||
283 | void SamplingBar::on_sample_rate_changed() | |
284 | { | |
285 | if (!_updating_sample_rate) | |
286 | commit_sample_rate(); | |
287 | } | |
288 | ||
289 | void SamplingBar::on_run_stop() | |
290 | { | |
291 | commit_sample_rate(); | |
292 | run_stop(); | |
293 | } | |
294 | ||
295 | } // namespace toolbars | |
296 | } // namespace pv |