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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 <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::DefaultRecordLength = 1000000; | |
44 | ||
45 | SamplingBar::SamplingBar(SigSession &session, QWidget *parent) : | |
46 | QToolBar("Sampling Bar", parent), | |
47 | _session(session), | |
48 | _device_selector(this), | |
49 | _updating_device_selector(false), | |
50 | _configure_button(this), | |
51 | _configure_button_action(NULL), | |
52 | _probes_button(this), | |
53 | _sample_count(" samples", this), | |
54 | _sample_rate("Hz", this), | |
55 | _updating_sample_rate(false), | |
56 | _icon_red(":/icons/status-red.svg"), | |
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, SLOT(on_run_stop())); | |
63 | connect(&_device_selector, SIGNAL(currentIndexChanged (int)), | |
64 | this, SLOT(on_device_selected())); | |
65 | connect(&_sample_count, SIGNAL(value_changed()), | |
66 | this, SLOT(on_sample_count_changed())); | |
67 | connect(&_sample_rate, SIGNAL(value_changed()), | |
68 | this, SLOT(on_sample_rate_changed())); | |
69 | ||
70 | _sample_count.show_min_max_step(0, UINT64_MAX, 1); | |
71 | _sample_count.set_value(DefaultRecordLength); | |
72 | ||
73 | set_capture_state(pv::SigSession::Stopped); | |
74 | ||
75 | _configure_button.setIcon(QIcon::fromTheme("configure", | |
76 | QIcon(":/icons/configure.png"))); | |
77 | ||
78 | _probes_button.setIcon(QIcon::fromTheme("probes", | |
79 | QIcon(":/icons/probes.svg"))); | |
80 | ||
81 | _run_stop_button.setToolButtonStyle(Qt::ToolButtonTextBesideIcon); | |
82 | ||
83 | addWidget(&_device_selector); | |
84 | _configure_button_action = addWidget(&_configure_button); | |
85 | addWidget(&_probes_button); | |
86 | addWidget(&_sample_count); | |
87 | addWidget(&_sample_rate); | |
88 | ||
89 | addWidget(&_run_stop_button); | |
90 | } | |
91 | ||
92 | void SamplingBar::set_device_list( | |
93 | const std::list<struct sr_dev_inst*> &devices) | |
94 | { | |
95 | _updating_device_selector = true; | |
96 | ||
97 | _device_selector.clear(); | |
98 | ||
99 | BOOST_FOREACH (sr_dev_inst *sdi, devices) { | |
100 | const string title = DeviceManager::format_device_title(sdi); | |
101 | _device_selector.addItem(title.c_str(), | |
102 | qVariantFromValue((void*)sdi)); | |
103 | } | |
104 | ||
105 | _updating_device_selector = false; | |
106 | ||
107 | on_device_selected(); | |
108 | } | |
109 | ||
110 | struct sr_dev_inst* SamplingBar::get_selected_device() const | |
111 | { | |
112 | const int index = _device_selector.currentIndex(); | |
113 | if (index < 0) | |
114 | return NULL; | |
115 | ||
116 | return (sr_dev_inst*)_device_selector.itemData( | |
117 | index).value<void*>(); | |
118 | } | |
119 | ||
120 | void SamplingBar::set_selected_device(struct sr_dev_inst *const sdi) | |
121 | { | |
122 | for (int i = 0; i < _device_selector.count(); i++) | |
123 | if (sdi == _device_selector.itemData(i).value<void*>()) { | |
124 | _device_selector.setCurrentIndex(i); | |
125 | return; | |
126 | } | |
127 | } | |
128 | ||
129 | uint64_t SamplingBar::get_record_length() const | |
130 | { | |
131 | return _sample_count.value(); | |
132 | } | |
133 | ||
134 | void SamplingBar::set_capture_state(pv::SigSession::capture_state state) | |
135 | { | |
136 | const QIcon *icons[] = {&_icon_grey, &_icon_red, &_icon_green}; | |
137 | _run_stop_button.setIcon(*icons[state]); | |
138 | _run_stop_button.setText((state == pv::SigSession::Stopped) ? | |
139 | tr("Run") : tr("Stop")); | |
140 | } | |
141 | ||
142 | void SamplingBar::update_sample_rate_selector() | |
143 | { | |
144 | const sr_dev_inst *const sdi = get_selected_device(); | |
145 | GVariant *gvar_dict, *gvar_list; | |
146 | const uint64_t *elements = NULL; | |
147 | gsize num_elements; | |
148 | ||
149 | if (!sdi) | |
150 | return; | |
151 | ||
152 | _updating_sample_rate = true; | |
153 | ||
154 | if (sr_config_list(sdi->driver, sdi, NULL, | |
155 | SR_CONF_SAMPLERATE, &gvar_dict) != SR_OK) | |
156 | { | |
157 | _sample_rate.show_none(); | |
158 | _updating_sample_rate = false; | |
159 | return; | |
160 | } | |
161 | ||
162 | if ((gvar_list = g_variant_lookup_value(gvar_dict, | |
163 | "samplerate-steps", G_VARIANT_TYPE("at")))) | |
164 | { | |
165 | elements = (const uint64_t *)g_variant_get_fixed_array( | |
166 | gvar_list, &num_elements, sizeof(uint64_t)); | |
167 | _sample_rate.show_min_max_step(elements[0], elements[1], | |
168 | elements[2]); | |
169 | g_variant_unref(gvar_list); | |
170 | } | |
171 | else if ((gvar_list = g_variant_lookup_value(gvar_dict, | |
172 | "samplerates", G_VARIANT_TYPE("at")))) | |
173 | { | |
174 | elements = (const uint64_t *)g_variant_get_fixed_array( | |
175 | gvar_list, &num_elements, sizeof(uint64_t)); | |
176 | _sample_rate.show_list(elements, num_elements); | |
177 | g_variant_unref(gvar_list); | |
178 | } | |
179 | _updating_sample_rate = false; | |
180 | ||
181 | g_variant_unref(gvar_dict); | |
182 | update_sample_rate_selector_value(); | |
183 | } | |
184 | ||
185 | void SamplingBar::update_sample_rate_selector_value() | |
186 | { | |
187 | sr_dev_inst *const sdi = get_selected_device(); | |
188 | GVariant *gvar; | |
189 | uint64_t samplerate; | |
190 | ||
191 | assert(sdi); | |
192 | ||
193 | if (sr_config_get(sdi->driver, sdi, NULL, | |
194 | SR_CONF_SAMPLERATE, &gvar) != SR_OK) { | |
195 | qDebug() << | |
196 | "WARNING: Failed to get value of sample rate"; | |
197 | return; | |
198 | } | |
199 | samplerate = g_variant_get_uint64(gvar); | |
200 | g_variant_unref(gvar); | |
201 | ||
202 | _updating_sample_rate = true; | |
203 | _sample_rate.set_value(samplerate); | |
204 | _updating_sample_rate = false; | |
205 | } | |
206 | ||
207 | void SamplingBar::commit_sample_count() | |
208 | { | |
209 | uint64_t sample_count = 0; | |
210 | ||
211 | sr_dev_inst *const sdi = get_selected_device(); | |
212 | assert(sdi); | |
213 | ||
214 | sample_count = _sample_count.value(); | |
215 | ||
216 | // Set the sample count | |
217 | if (sr_config_set(sdi, NULL, SR_CONF_LIMIT_SAMPLES, | |
218 | g_variant_new_uint64(sample_count)) != SR_OK) { | |
219 | qDebug() << "Failed to configure sample count."; | |
220 | return; | |
221 | } | |
222 | } | |
223 | ||
224 | void SamplingBar::commit_sample_rate() | |
225 | { | |
226 | uint64_t sample_rate = 0; | |
227 | ||
228 | sr_dev_inst *const sdi = get_selected_device(); | |
229 | assert(sdi); | |
230 | ||
231 | sample_rate = _sample_rate.value(); | |
232 | if (sample_rate == 0) | |
233 | return; | |
234 | ||
235 | // Set the samplerate | |
236 | if (sr_config_set(sdi, NULL, SR_CONF_SAMPLERATE, | |
237 | g_variant_new_uint64(sample_rate)) != SR_OK) { | |
238 | qDebug() << "Failed to configure samplerate."; | |
239 | return; | |
240 | } | |
241 | } | |
242 | ||
243 | void SamplingBar::on_device_selected() | |
244 | { | |
245 | using namespace pv::popups; | |
246 | ||
247 | if (_updating_device_selector) | |
248 | return; | |
249 | ||
250 | update_sample_rate_selector(); | |
251 | ||
252 | sr_dev_inst *const sdi = get_selected_device(); | |
253 | _session.set_device(sdi); | |
254 | ||
255 | // Update the configure popup | |
256 | DeviceOptions *const opts = new DeviceOptions(sdi, this); | |
257 | _configure_button_action->setVisible( | |
258 | !opts->binding().properties().empty()); | |
259 | _configure_button.set_popup(opts); | |
260 | ||
261 | // Update the probes popup | |
262 | Probes *const probes = new Probes(_session, this); | |
263 | _probes_button.set_popup(probes); | |
264 | } | |
265 | ||
266 | void SamplingBar::on_sample_count_changed() | |
267 | { | |
268 | commit_sample_count(); | |
269 | } | |
270 | ||
271 | void SamplingBar::on_sample_rate_changed() | |
272 | { | |
273 | if (!_updating_sample_rate) | |
274 | commit_sample_rate(); | |
275 | } | |
276 | ||
277 | void SamplingBar::on_run_stop() | |
278 | { | |
279 | commit_sample_rate(); | |
280 | run_stop(); | |
281 | } | |
282 | ||
283 | } // namespace toolbars | |
284 | } // namespace pv |