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1 | /* | |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2012-2013 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 <boost/foreach.hpp> | |
22 | ||
23 | #include "connect.h" | |
24 | ||
25 | #include "pv/devicemanager.h" | |
26 | ||
27 | extern "C" { | |
28 | /* __STDC_FORMAT_MACROS is required for PRIu64 and friends (in C++). */ | |
29 | #define __STDC_FORMAT_MACROS | |
30 | #include <glib.h> | |
31 | #include <libsigrok/libsigrok.h> | |
32 | } | |
33 | ||
34 | using std::list; | |
35 | using std::string; | |
36 | ||
37 | extern sr_context *sr_ctx; | |
38 | ||
39 | namespace pv { | |
40 | namespace dialogs { | |
41 | ||
42 | Connect::Connect(QWidget *parent, pv::DeviceManager &device_manager) : | |
43 | QDialog(parent), | |
44 | _device_manager(device_manager), | |
45 | _layout(this), | |
46 | _form(this), | |
47 | _form_layout(&_form), | |
48 | _drivers(&_form), | |
49 | _serial_device(&_form), | |
50 | _scan_button(tr("Scan for Devices"), this), | |
51 | _device_list(this), | |
52 | _button_box(QDialogButtonBox::Ok | QDialogButtonBox::Cancel, | |
53 | Qt::Horizontal, this) | |
54 | { | |
55 | setWindowTitle(tr("Connect to Device")); | |
56 | ||
57 | connect(&_button_box, SIGNAL(accepted()), this, SLOT(accept())); | |
58 | connect(&_button_box, SIGNAL(rejected()), this, SLOT(reject())); | |
59 | ||
60 | populate_drivers(); | |
61 | connect(&_drivers, SIGNAL(activated(int)), | |
62 | this, SLOT(device_selected(int))); | |
63 | ||
64 | _form.setLayout(&_form_layout); | |
65 | _form_layout.addRow(tr("Driver"), &_drivers); | |
66 | ||
67 | _form_layout.addRow(tr("Serial Port"), &_serial_device); | |
68 | ||
69 | unset_connection(); | |
70 | ||
71 | connect(&_scan_button, SIGNAL(pressed()), | |
72 | this, SLOT(scan_pressed())); | |
73 | ||
74 | setLayout(&_layout); | |
75 | _layout.addWidget(&_form); | |
76 | _layout.addWidget(&_scan_button); | |
77 | _layout.addWidget(&_device_list); | |
78 | _layout.addWidget(&_button_box); | |
79 | } | |
80 | ||
81 | struct sr_dev_inst* Connect::get_selected_device() const | |
82 | { | |
83 | const QListWidgetItem *const item = _device_list.currentItem(); | |
84 | if (!item) | |
85 | return NULL; | |
86 | ||
87 | return (sr_dev_inst*)item->data(Qt::UserRole).value<void*>(); | |
88 | } | |
89 | ||
90 | void Connect::populate_drivers() | |
91 | { | |
92 | gsize num_opts = 0; | |
93 | const int32_t *hwopts; | |
94 | struct sr_dev_driver **drivers = sr_driver_list(); | |
95 | GVariant *gvar_opts; | |
96 | ||
97 | for (int i = 0; drivers[i]; ++i) { | |
98 | /** | |
99 | * We currently only support devices that can deliver | |
100 | * samples at a fixed samplerate i.e. oscilloscopes and | |
101 | * logic analysers. | |
102 | * @todo Add support for non-monotonic devices i.e. DMMs | |
103 | * and sensors. | |
104 | */ | |
105 | bool supported_device = false; | |
106 | if ((sr_config_list(drivers[i], NULL, NULL, | |
107 | SR_CONF_DEVICE_OPTIONS, &gvar_opts) == SR_OK)) { | |
108 | hwopts = (const int32_t *)g_variant_get_fixed_array(gvar_opts, | |
109 | &num_opts, sizeof(int32_t)); | |
110 | for (unsigned int j = 0; j < num_opts; j++) | |
111 | if (hwopts[j] == SR_CONF_SAMPLERATE) { | |
112 | supported_device = true; | |
113 | break; | |
114 | } | |
115 | } | |
116 | ||
117 | if (supported_device) | |
118 | _drivers.addItem(QString("%1 (%2)").arg( | |
119 | drivers[i]->longname).arg(drivers[i]->name), | |
120 | qVariantFromValue((void*)drivers[i])); | |
121 | } | |
122 | } | |
123 | ||
124 | void Connect::unset_connection() | |
125 | { | |
126 | _device_list.clear(); | |
127 | _serial_device.hide(); | |
128 | _form_layout.labelForField(&_serial_device)->hide(); | |
129 | _button_box.button(QDialogButtonBox::Ok)->setDisabled(true); | |
130 | } | |
131 | ||
132 | void Connect::set_serial_connection() | |
133 | { | |
134 | _serial_device.show(); | |
135 | _form_layout.labelForField(&_serial_device)->show(); | |
136 | } | |
137 | ||
138 | void Connect::scan_pressed() | |
139 | { | |
140 | _device_list.clear(); | |
141 | ||
142 | const int index = _drivers.currentIndex(); | |
143 | if (index == -1) | |
144 | return; | |
145 | ||
146 | sr_dev_driver *const driver = (sr_dev_driver*)_drivers.itemData( | |
147 | index).value<void*>(); | |
148 | ||
149 | GSList *drvopts = NULL; | |
150 | ||
151 | if (_serial_device.isVisible()) { | |
152 | sr_config *const src = (sr_config*)g_try_malloc(sizeof(sr_config)); | |
153 | src->key = SR_CONF_CONN; | |
154 | const QByteArray byteArray = _serial_device.text().toUtf8(); | |
155 | src->data = g_variant_new_string((const gchar*)byteArray.constData()); | |
156 | drvopts = g_slist_append(drvopts, src); | |
157 | } | |
158 | ||
159 | const list<sr_dev_inst*> devices = _device_manager.driver_scan( | |
160 | driver, drvopts); | |
161 | ||
162 | g_slist_free_full(drvopts, (GDestroyNotify)free_drvopts); | |
163 | ||
164 | BOOST_FOREACH(sr_dev_inst *const sdi, devices) | |
165 | { | |
166 | const string title = DeviceManager::format_device_title(sdi); | |
167 | QString text = QString::fromUtf8(title.c_str()); | |
168 | if (sdi->probes) { | |
169 | text += QString(" with %1 probes").arg( | |
170 | g_slist_length(sdi->probes)); | |
171 | } | |
172 | ||
173 | QListWidgetItem *const item = new QListWidgetItem(text, | |
174 | &_device_list); | |
175 | item->setData(Qt::UserRole, qVariantFromValue((void*)sdi)); | |
176 | _device_list.addItem(item); | |
177 | } | |
178 | ||
179 | _device_list.setCurrentRow(0); | |
180 | _button_box.button(QDialogButtonBox::Ok)->setDisabled(_device_list.count() == 0); | |
181 | } | |
182 | ||
183 | void Connect::device_selected(int index) | |
184 | { | |
185 | gsize num_opts = 0; | |
186 | const int32_t *hwopts; | |
187 | GVariant *gvar_list; | |
188 | sr_dev_driver *const driver = (sr_dev_driver*)_drivers.itemData( | |
189 | index).value<void*>(); | |
190 | ||
191 | unset_connection(); | |
192 | ||
193 | if ((sr_config_list(driver, NULL, NULL, | |
194 | SR_CONF_SCAN_OPTIONS, &gvar_list) == SR_OK)) { | |
195 | hwopts = (const int32_t *)g_variant_get_fixed_array(gvar_list, | |
196 | &num_opts, sizeof(int32_t)); | |
197 | ||
198 | for (unsigned int i = 0; i < num_opts; i++) { | |
199 | switch(hwopts[i]) { | |
200 | case SR_CONF_SERIALCOMM: | |
201 | set_serial_connection(); | |
202 | break; | |
203 | ||
204 | default: | |
205 | continue; | |
206 | } | |
207 | ||
208 | break; | |
209 | } | |
210 | g_variant_unref(gvar_list); | |
211 | } | |
212 | } | |
213 | ||
214 | void Connect::free_drvopts(struct sr_config *src) | |
215 | { | |
216 | g_variant_unref(src->data); | |
217 | g_free(src); | |
218 | } | |
219 | ||
220 | } // namespace dialogs | |
221 | } // namespace pv |