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