pv/dialogs/connect.cpp

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