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