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