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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 | ||
29 | #include "samplingbar.h" | |
30 | ||
31 | #include <pv/dialogs/deviceoptions.h> | |
32 | ||
33 | namespace pv { | |
34 | ||
35 | const uint64_t SamplingBar::RecordLengths[20] = { | |
36 | 1000, | |
37 | 2500, | |
38 | 5000, | |
39 | 10000, | |
40 | 25000, | |
41 | 50000, | |
42 | 100000, | |
43 | 250000, | |
44 | 500000, | |
45 | 1000000, | |
46 | 2000000, | |
47 | 5000000, | |
48 | 10000000, | |
49 | 25000000, | |
50 | 50000000, | |
51 | 100000000, | |
52 | 250000000, | |
53 | 500000000, | |
54 | 1000000000, | |
55 | 10000000000ULL, | |
56 | }; | |
57 | ||
58 | const uint64_t SamplingBar::DefaultRecordLength = 1000000; | |
59 | ||
60 | SamplingBar::SamplingBar(QWidget *parent) : | |
61 | QToolBar("Sampling Bar", parent), | |
62 | _device_selector(this), | |
63 | _configure_button(this), | |
64 | _record_length_selector(this), | |
65 | _sample_rate_list(this), | |
66 | _icon_green(":/icons/status-green.svg"), | |
67 | _icon_grey(":/icons/status-grey.svg"), | |
68 | _run_stop_button(this) | |
69 | { | |
70 | connect(&_run_stop_button, SIGNAL(clicked()), | |
71 | this, SIGNAL(run_stop())); | |
72 | connect(&_device_selector, SIGNAL(currentIndexChanged (int)), | |
73 | this, SLOT(on_device_selected())); | |
74 | connect(&_configure_button, SIGNAL(clicked()), | |
75 | this, SLOT(configure())); | |
76 | ||
77 | _sample_rate_value.setDecimals(0); | |
78 | _sample_rate_value.setSuffix("Hz"); | |
79 | ||
80 | for (size_t i = 0; i < countof(RecordLengths); i++) | |
81 | { | |
82 | const uint64_t &l = RecordLengths[i]; | |
83 | char *const text = sr_si_string_u64(l, " samples"); | |
84 | _record_length_selector.addItem(QString(text), | |
85 | qVariantFromValue(l)); | |
86 | g_free(text); | |
87 | ||
88 | if (l == DefaultRecordLength) | |
89 | _record_length_selector.setCurrentIndex(i); | |
90 | } | |
91 | ||
92 | set_sampling(false); | |
93 | ||
94 | _configure_button.setIcon(QIcon::fromTheme("configure", | |
95 | QIcon(":/icons/configure.png"))); | |
96 | ||
97 | _run_stop_button.setToolButtonStyle(Qt::ToolButtonTextBesideIcon); | |
98 | ||
99 | addWidget(&_device_selector); | |
100 | addWidget(&_configure_button); | |
101 | addWidget(&_record_length_selector); | |
102 | _sample_rate_list_action = addWidget(&_sample_rate_list); | |
103 | _sample_rate_value_action = addWidget(&_sample_rate_value); | |
104 | addWidget(&_run_stop_button); | |
105 | ||
106 | update_device_selector(); | |
107 | update_sample_rate_selector(); | |
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 | uint64_t SamplingBar::get_record_length() const | |
121 | { | |
122 | const int index = _record_length_selector.currentIndex(); | |
123 | if (index < 0) | |
124 | return 0; | |
125 | ||
126 | return _record_length_selector.itemData(index).value<uint64_t>(); | |
127 | } | |
128 | ||
129 | uint64_t SamplingBar::get_sample_rate() const | |
130 | { | |
131 | assert(_sample_rate_value_action); | |
132 | assert(_sample_rate_list_action); | |
133 | ||
134 | if (_sample_rate_value_action->isVisible()) | |
135 | return (uint64_t)_sample_rate_value.value(); | |
136 | else if (_sample_rate_list_action->isVisible()) | |
137 | { | |
138 | const int index = _sample_rate_list.currentIndex(); | |
139 | if (index < 0) | |
140 | return 0; | |
141 | ||
142 | return _sample_rate_list.itemData(index).value<uint64_t>(); | |
143 | } | |
144 | ||
145 | return 0; | |
146 | } | |
147 | ||
148 | void SamplingBar::set_sampling(bool sampling) | |
149 | { | |
150 | _run_stop_button.setIcon(sampling ? _icon_green : _icon_grey); | |
151 | _run_stop_button.setText(sampling ? "Stop" : "Run"); | |
152 | } | |
153 | ||
154 | void SamplingBar::update_device_selector() | |
155 | { | |
156 | GSList *devices = NULL; | |
157 | ||
158 | /* Scan all drivers for all devices. */ | |
159 | struct sr_dev_driver **const drivers = sr_driver_list(); | |
160 | for (struct sr_dev_driver **driver = drivers; *driver; driver++) { | |
161 | GSList *tmpdevs = sr_driver_scan(*driver, NULL); | |
162 | for (GSList *l = tmpdevs; l; l = l->next) | |
163 | devices = g_slist_append(devices, l->data); | |
164 | g_slist_free(tmpdevs); | |
165 | } | |
166 | ||
167 | for (GSList *l = devices; l; l = l->next) { | |
168 | sr_dev_inst *const sdi = (sr_dev_inst*)l->data; | |
169 | ||
170 | QString title; | |
171 | if (sdi->vendor && sdi->vendor[0]) | |
172 | title += sdi->vendor + QString(" "); | |
173 | if (sdi->model && sdi->model[0]) | |
174 | title += sdi->model + QString(" "); | |
175 | if (sdi->version && sdi->version[0]) | |
176 | title += sdi->version + QString(" "); | |
177 | ||
178 | _device_selector.addItem(title, qVariantFromValue( | |
179 | (void*)sdi)); | |
180 | } | |
181 | ||
182 | g_slist_free(devices); | |
183 | } | |
184 | ||
185 | void SamplingBar::update_sample_rate_selector() | |
186 | { | |
187 | const sr_dev_inst *const sdi = get_selected_device(); | |
188 | const struct sr_samplerates *samplerates; | |
189 | ||
190 | assert(_sample_rate_value_action); | |
191 | assert(_sample_rate_list_action); | |
192 | ||
193 | if (sr_config_list(sdi->driver, SR_CONF_SAMPLERATE, | |
194 | (const void **)&samplerates, sdi) != SR_OK) | |
195 | return; | |
196 | ||
197 | _sample_rate_list_action->setVisible(false); | |
198 | _sample_rate_value_action->setVisible(false); | |
199 | ||
200 | if (samplerates->step) | |
201 | { | |
202 | _sample_rate_value.setRange( | |
203 | samplerates->low, samplerates->high); | |
204 | _sample_rate_value.setSingleStep(samplerates->step); | |
205 | _sample_rate_value_action->setVisible(true); | |
206 | } | |
207 | else | |
208 | { | |
209 | _sample_rate_list.clear(); | |
210 | for (const uint64_t *rate = samplerates->list; | |
211 | *rate; rate++) | |
212 | _sample_rate_list.addItem( | |
213 | sr_samplerate_string(*rate), | |
214 | qVariantFromValue(*rate)); | |
215 | _sample_rate_list.show(); | |
216 | _sample_rate_list_action->setVisible(true); | |
217 | } | |
218 | } | |
219 | ||
220 | void SamplingBar::on_device_selected() | |
221 | { | |
222 | update_sample_rate_selector(); | |
223 | } | |
224 | ||
225 | void SamplingBar::configure() | |
226 | { | |
227 | sr_dev_inst *const sdi = get_selected_device(); | |
228 | assert(sdi); | |
229 | ||
230 | pv::dialogs::DeviceOptions dlg(this, sdi); | |
231 | dlg.exec(); | |
232 | } | |
233 | ||
234 | } // namespace pv |