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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, see <http://www.gnu.org/licenses/>.
18 */
19
20#include <cassert>
21
22#include <libsigrokcxx/libsigrokcxx.hpp>
23
24#include <QGroupBox>
25#include <QLabel>
26#include <QRadioButton>
27
28#include "connect.hpp"
29
30#include <pv/devicemanager.hpp>
31#include <pv/devices/hardwaredevice.hpp>
32
33using std::list;
34using std::map;
35using std::shared_ptr;
36using std::string;
37
38using Glib::ustring;
39using Glib::Variant;
40using Glib::VariantBase;
41
42using sigrok::ConfigKey;
43using sigrok::Driver;
44
45using pv::devices::HardwareDevice;
46
47namespace pv {
48namespace dialogs {
49
50Connect::Connect(QWidget *parent, pv::DeviceManager &device_manager) :
51 QDialog(parent),
52 device_manager_(device_manager),
53 layout_(this),
54 form_(this),
55 form_layout_(&form_),
56 drivers_(&form_),
57 serial_devices_(&form_),
58 scan_button_(tr("&Scan for devices using driver above"), this),
59 device_list_(this),
60 button_box_(QDialogButtonBox::Ok | QDialogButtonBox::Cancel,
61 Qt::Horizontal, this)
62{
63 setWindowTitle(tr("Connect to Device"));
64
65 connect(&button_box_, SIGNAL(accepted()), this, SLOT(accept()));
66 connect(&button_box_, SIGNAL(rejected()), this, SLOT(reject()));
67
68 populate_drivers();
69 connect(&drivers_, SIGNAL(activated(int)), this, SLOT(driver_selected(int)));
70
71 form_.setLayout(&form_layout_);
72
73 QVBoxLayout *vbox_drv = new QVBoxLayout;
74 vbox_drv->addWidget(&drivers_);
75 QGroupBox *groupbox_drv = new QGroupBox(tr("Step 1: Choose the driver"));
76 groupbox_drv->setLayout(vbox_drv);
77 form_layout_.addRow(groupbox_drv);
78
79 QRadioButton *radiobtn_usb = new QRadioButton(tr("&USB"), this);
80 QRadioButton *radiobtn_serial = new QRadioButton(tr("Serial &Port"), this);
81 QRadioButton *radiobtn_tcp = new QRadioButton(tr("&TCP/IP"), this);
82
83 radiobtn_usb->setChecked(true);
84
85 serial_config_ = new QWidget();
86 QHBoxLayout *serial_config_layout = new QHBoxLayout(serial_config_);
87
88 serial_devices_.setEditable(true);
89 serial_devices_.setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
90
91 serial_baudrate_.setEditable(true);
92 serial_baudrate_.addItem("");
93 serial_baudrate_.addItem("921600");
94 serial_baudrate_.addItem("115200");
95 serial_baudrate_.addItem("57600");
96 serial_baudrate_.addItem("19200");
97 serial_baudrate_.addItem("9600");
98
99 serial_config_layout->addWidget(&serial_devices_);
100 serial_config_layout->addWidget(&serial_baudrate_);
101 serial_config_layout->addWidget(new QLabel("baud"));
102
103 tcp_config_ = new QWidget();
104 QHBoxLayout *tcp_config_layout = new QHBoxLayout(tcp_config_);
105 tcp_host_ = new QLineEdit;
106 tcp_host_->setText("192.168.1.100");
107 tcp_config_layout->addWidget(tcp_host_);
108 tcp_config_layout->addWidget(new QLabel(":"));
109 tcp_port_ = new QSpinBox;
110 tcp_port_->setRange(1, 65535);
111 tcp_port_->setValue(5555);
112 tcp_config_layout->addWidget(tcp_port_);
113
114 tcp_config_layout->addSpacing(30);
115 tcp_config_layout->addWidget(new QLabel(tr("Protocol:")));
116 tcp_protocol_ = new QComboBox();
117 tcp_protocol_->addItem("Raw TCP", QVariant("tcp-raw/%1/%2"));
118 tcp_protocol_->addItem("VXI", QVariant("vxi/%1/%2"));
119 tcp_config_layout->addWidget(tcp_protocol_);
120 tcp_config_layout->setContentsMargins(0, 0, 0, 0);
121 tcp_config_->setEnabled(false);
122
123 // Let the device list occupy only the minimum space needed
124 device_list_.setMaximumHeight(device_list_.minimumSizeHint().height());
125
126 QVBoxLayout *vbox_if = new QVBoxLayout;
127 vbox_if->addWidget(radiobtn_usb);
128 vbox_if->addWidget(radiobtn_serial);
129 vbox_if->addWidget(serial_config_);
130 vbox_if->addWidget(radiobtn_tcp);
131 vbox_if->addWidget(tcp_config_);
132
133 QGroupBox *groupbox_if = new QGroupBox(tr("Step 2: Choose the interface"));
134 groupbox_if->setLayout(vbox_if);
135 form_layout_.addRow(groupbox_if);
136
137 QVBoxLayout *vbox_scan = new QVBoxLayout;
138 vbox_scan->addWidget(&scan_button_);
139 QGroupBox *groupbox_scan = new QGroupBox(tr("Step 3: Scan for devices"));
140 groupbox_scan->setLayout(vbox_scan);
141 form_layout_.addRow(groupbox_scan);
142
143 QVBoxLayout *vbox_select = new QVBoxLayout;
144 vbox_select->addWidget(&device_list_);
145 QGroupBox *groupbox_select = new QGroupBox(tr("Step 4: Select the device"));
146 groupbox_select->setLayout(vbox_select);
147 form_layout_.addRow(groupbox_select);
148
149 unset_connection();
150
151 connect(radiobtn_serial, SIGNAL(toggled(bool)), this, SLOT(serial_toggled(bool)));
152 connect(radiobtn_tcp, SIGNAL(toggled(bool)), this, SLOT(tcp_toggled(bool)));
153 connect(&scan_button_, SIGNAL(pressed()), this, SLOT(scan_pressed()));
154
155 setLayout(&layout_);
156
157 layout_.addWidget(&form_);
158 layout_.addWidget(&button_box_);
159}
160
161shared_ptr<HardwareDevice> Connect::get_selected_device() const
162{
163 const QListWidgetItem *const item = device_list_.currentItem();
164 if (!item)
165 return shared_ptr<HardwareDevice>();
166
167 return item->data(Qt::UserRole).value<shared_ptr<HardwareDevice>>();
168}
169
170void Connect::populate_drivers()
171{
172 for (auto& entry : device_manager_.context()->drivers()) {
173 auto name = entry.first;
174 auto driver = entry.second;
175 /**
176 * We currently only support devices that can deliver
177 * samples at a fixed samplerate i.e. oscilloscopes and
178 * logic analysers.
179 * @todo Add support for non-monotonic devices i.e. DMMs
180 * and sensors.
181 */
182 const auto keys = driver->config_keys();
183
184 bool supported_device = keys.count(ConfigKey::LOGIC_ANALYZER) |
185 keys.count(ConfigKey::OSCILLOSCOPE);
186
187 if (supported_device)
188 drivers_.addItem(QString("%1 (%2)").arg(
189 driver->long_name().c_str(), name.c_str()),
190 qVariantFromValue(driver));
191 }
192}
193
194void Connect::populate_serials(shared_ptr<Driver> driver)
195{
196 serial_devices_.clear();
197 for (auto& serial : device_manager_.context()->serials(driver))
198 serial_devices_.addItem(QString("%1 (%2)").arg(
199 serial.first.c_str(), serial.second.c_str()),
200 QString::fromStdString(serial.first));
201}
202
203void Connect::unset_connection()
204{
205 device_list_.clear();
206 button_box_.button(QDialogButtonBox::Ok)->setDisabled(true);
207}
208
209void Connect::serial_toggled(bool checked)
210{
211 serial_devices_.setEnabled(checked);
212 serial_baudrate_.setEnabled(checked);
213}
214
215void Connect::tcp_toggled(bool checked)
216{
217 tcp_config_->setEnabled(checked);
218}
219
220void Connect::scan_pressed()
221{
222 device_list_.clear();
223
224 const int index = drivers_.currentIndex();
225 if (index == -1)
226 return;
227
228 shared_ptr<Driver> driver =
229 drivers_.itemData(index).value<shared_ptr<Driver>>();
230
231 assert(driver);
232
233 map<const ConfigKey *, VariantBase> drvopts;
234
235 if (serial_config_->isEnabled()) {
236 QString serial;
237 const int index = serial_devices_.currentIndex();
238 if (index >= 0 && index < serial_devices_.count() &&
239 serial_devices_.currentText() == serial_devices_.itemText(index))
240 serial = serial_devices_.itemData(index).toString();
241 else
242 serial = serial_devices_.currentText();
243
244 drvopts[ConfigKey::CONN] = Variant<ustring>::create(
245 serial.toUtf8().constData());
246
247 // Set baud rate if specified
248 if (serial_baudrate_.currentText().length() > 0)
249 drvopts[ConfigKey::SERIALCOMM] = Variant<ustring>::create(
250 QString("%1/8n1").arg(serial_baudrate_.currentText()).toUtf8().constData());
251 }
252
253 if (tcp_config_->isEnabled()) {
254 QString host = tcp_host_->text();
255 QString port = tcp_port_->text();
256 if (!host.isEmpty()) {
257 QString conn =
258 tcp_protocol_->itemData(tcp_protocol_->currentIndex()).toString();
259
260 conn = conn.arg(host, port);
261
262 drvopts[ConfigKey::CONN] = Variant<ustring>::create(
263 conn.toUtf8().constData());
264 }
265 }
266
267 const list< shared_ptr<HardwareDevice> > devices =
268 device_manager_.driver_scan(driver, drvopts);
269
270 for (const shared_ptr<HardwareDevice>& device : devices) {
271 assert(device);
272
273 QString text = QString::fromStdString(device->display_name(device_manager_));
274 text += QString(" with %1 channels").arg(device->device()->channels().size());
275
276 QListWidgetItem *const item = new QListWidgetItem(text, &device_list_);
277 item->setData(Qt::UserRole, qVariantFromValue(device));
278 device_list_.addItem(item);
279 }
280
281 device_list_.setCurrentRow(0);
282 button_box_.button(QDialogButtonBox::Ok)->setDisabled(device_list_.count() == 0);
283}
284
285void Connect::driver_selected(int index)
286{
287 shared_ptr<Driver> driver =
288 drivers_.itemData(index).value<shared_ptr<Driver>>();
289
290 unset_connection();
291
292 populate_serials(driver);
293}
294
295} // namespace dialogs
296} // namespace pv