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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 <cassert> | |
22 | ||
23 | #include <libsigrokcxx/libsigrokcxx.hpp> | |
24 | ||
25 | #include "connect.hpp" | |
26 | ||
27 | #include <pv/devicemanager.hpp> | |
28 | #include <pv/devices/hardwaredevice.hpp> | |
29 | ||
30 | using std::list; | |
31 | using std::map; | |
32 | using std::shared_ptr; | |
33 | using std::string; | |
34 | ||
35 | using Glib::ustring; | |
36 | using Glib::Variant; | |
37 | using Glib::VariantBase; | |
38 | ||
39 | using sigrok::ConfigKey; | |
40 | using sigrok::Driver; | |
41 | using sigrok::Error; | |
42 | ||
43 | using pv::devices::HardwareDevice; | |
44 | ||
45 | namespace pv { | |
46 | namespace dialogs { | |
47 | ||
48 | Connect::Connect(QWidget *parent, pv::DeviceManager &device_manager) : | |
49 | QDialog(parent), | |
50 | device_manager_(device_manager), | |
51 | layout_(this), | |
52 | form_(this), | |
53 | form_layout_(&form_), | |
54 | drivers_(&form_), | |
55 | serial_devices_(&form_), | |
56 | scan_button_(tr("&Scan for Devices"), this), | |
57 | device_list_(this), | |
58 | button_box_(QDialogButtonBox::Ok | QDialogButtonBox::Cancel, | |
59 | Qt::Horizontal, this) | |
60 | { | |
61 | setWindowTitle(tr("Connect to Device")); | |
62 | ||
63 | connect(&button_box_, SIGNAL(accepted()), this, SLOT(accept())); | |
64 | connect(&button_box_, SIGNAL(rejected()), this, SLOT(reject())); | |
65 | ||
66 | populate_drivers(); | |
67 | connect(&drivers_, SIGNAL(activated(int)), | |
68 | this, SLOT(device_selected(int))); | |
69 | ||
70 | form_.setLayout(&form_layout_); | |
71 | form_layout_.addRow(tr("&Driver"), &drivers_); | |
72 | ||
73 | form_layout_.addRow(tr("Serial &Port"), &serial_devices_); | |
74 | serial_devices_.setEditable(true); | |
75 | ||
76 | unset_connection(); | |
77 | ||
78 | connect(&scan_button_, SIGNAL(pressed()), | |
79 | this, SLOT(scan_pressed())); | |
80 | ||
81 | setLayout(&layout_); | |
82 | layout_.addWidget(&form_); | |
83 | layout_.addWidget(&scan_button_); | |
84 | layout_.addWidget(&device_list_); | |
85 | layout_.addWidget(&button_box_); | |
86 | } | |
87 | ||
88 | shared_ptr<HardwareDevice> Connect::get_selected_device() const | |
89 | { | |
90 | const QListWidgetItem *const item = device_list_.currentItem(); | |
91 | if (!item) | |
92 | return shared_ptr<HardwareDevice>(); | |
93 | ||
94 | return item->data(Qt::UserRole).value<shared_ptr<HardwareDevice>>(); | |
95 | } | |
96 | ||
97 | void Connect::populate_drivers() | |
98 | { | |
99 | for (auto entry : device_manager_.context()->drivers()) { | |
100 | auto name = entry.first; | |
101 | auto driver = entry.second; | |
102 | /** | |
103 | * We currently only support devices that can deliver | |
104 | * samples at a fixed samplerate i.e. oscilloscopes and | |
105 | * logic analysers. | |
106 | * @todo Add support for non-monotonic devices i.e. DMMs | |
107 | * and sensors. | |
108 | */ | |
109 | const auto keys = driver->config_keys(); | |
110 | ||
111 | bool supported_device = keys.count(ConfigKey::LOGIC_ANALYZER) | | |
112 | keys.count(ConfigKey::OSCILLOSCOPE); | |
113 | ||
114 | if (supported_device) | |
115 | drivers_.addItem(QString("%1 (%2)").arg( | |
116 | driver->long_name().c_str(), name.c_str()), | |
117 | qVariantFromValue(driver)); | |
118 | } | |
119 | } | |
120 | ||
121 | void Connect::populate_serials(shared_ptr<Driver> driver) | |
122 | { | |
123 | serial_devices_.clear(); | |
124 | for (auto serial : device_manager_.context()->serials(driver)) | |
125 | serial_devices_.addItem(QString("%1 (%2)").arg( | |
126 | serial.first.c_str(), serial.second.c_str()), | |
127 | QString::fromStdString(serial.first)); | |
128 | } | |
129 | ||
130 | void Connect::unset_connection() | |
131 | { | |
132 | device_list_.clear(); | |
133 | serial_devices_.hide(); | |
134 | form_layout_.labelForField(&serial_devices_)->hide(); | |
135 | button_box_.button(QDialogButtonBox::Ok)->setDisabled(true); | |
136 | } | |
137 | ||
138 | void Connect::set_serial_connection(shared_ptr<Driver> driver) | |
139 | { | |
140 | populate_serials(driver); | |
141 | serial_devices_.show(); | |
142 | form_layout_.labelForField(&serial_devices_)->show(); | |
143 | } | |
144 | ||
145 | void Connect::scan_pressed() | |
146 | { | |
147 | device_list_.clear(); | |
148 | ||
149 | const int index = drivers_.currentIndex(); | |
150 | if (index == -1) | |
151 | return; | |
152 | ||
153 | shared_ptr<Driver> driver = | |
154 | drivers_.itemData(index).value<shared_ptr<Driver>>(); | |
155 | ||
156 | assert(driver); | |
157 | ||
158 | map<const ConfigKey *, VariantBase> drvopts; | |
159 | ||
160 | if (serial_devices_.isVisible()) { | |
161 | QString serial; | |
162 | const int index = serial_devices_.currentIndex(); | |
163 | if (index >= 0 && index < serial_devices_.count() && | |
164 | serial_devices_.currentText() == serial_devices_.itemText(index)) | |
165 | serial = serial_devices_.itemData(index).value<QString>(); | |
166 | else | |
167 | serial = serial_devices_.currentText(); | |
168 | drvopts[ConfigKey::CONN] = Variant<ustring>::create( | |
169 | serial.toUtf8().constData()); | |
170 | } | |
171 | ||
172 | const list< shared_ptr<HardwareDevice> > devices = | |
173 | device_manager_.driver_scan(driver, drvopts); | |
174 | ||
175 | for (shared_ptr<HardwareDevice> device : devices) { | |
176 | assert(device); | |
177 | ||
178 | QString text = QString::fromStdString( | |
179 | device->display_name(device_manager_)); | |
180 | text += QString(" with %1 channels").arg( | |
181 | device->device()->channels().size()); | |
182 | ||
183 | QListWidgetItem *const item = new QListWidgetItem(text, | |
184 | &device_list_); | |
185 | item->setData(Qt::UserRole, qVariantFromValue(device)); | |
186 | device_list_.addItem(item); | |
187 | } | |
188 | ||
189 | device_list_.setCurrentRow(0); | |
190 | button_box_.button(QDialogButtonBox::Ok)->setDisabled(device_list_.count() == 0); | |
191 | } | |
192 | ||
193 | void Connect::device_selected(int index) | |
194 | { | |
195 | shared_ptr<Driver> driver = | |
196 | drivers_.itemData(index).value<shared_ptr<Driver>>(); | |
197 | ||
198 | unset_connection(); | |
199 | ||
200 | if (driver->scan_options().count(ConfigKey::SERIALCOMM)) | |
201 | set_serial_connection(driver); | |
202 | } | |
203 | ||
204 | } // namespace dialogs | |
205 | } // namespace pv |