2 * This file is part of the PulseView project.
4 * Copyright (C) 2013 Joel Holdsworth <joel@airwebreathe.org.uk>
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.
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.
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/>.
20 #include "devicemanager.hpp"
21 #include "session.hpp"
30 #include <libsigrokcxx/libsigrokcxx.hpp>
32 #include <QApplication>
34 #include <QProgressDialog>
36 #include <boost/filesystem.hpp>
38 #include <pv/devices/hardwaredevice.hpp>
43 using std::placeholders::_1;
44 using std::placeholders::_2;
45 using std::shared_ptr;
47 using std::unique_ptr;
49 using Glib::VariantBase;
51 using sigrok::ConfigKey;
52 using sigrok::Context;
57 DeviceManager::DeviceManager(shared_ptr<Context> context) :
60 unique_ptr<QProgressDialog> progress(new QProgressDialog("",
61 QObject::tr("Cancel"), 0, context->drivers().size()));
62 progress->setWindowModality(Qt::WindowModal);
63 progress->setMinimumDuration(1); // To show the dialog immediately
67 for (auto entry : context->drivers()) {
68 progress->setLabelText(QObject::tr("Scanning for %1...")
69 .arg(QString::fromStdString(entry.first)));
71 driver_scan(entry.second, map<const ConfigKey *, VariantBase>());
73 progress->setValue(entry_num++);
74 QApplication::processEvents();
75 if (progress->wasCanceled())
80 const shared_ptr<sigrok::Context>& DeviceManager::context() const
85 shared_ptr<Context> DeviceManager::context()
90 const list< shared_ptr<devices::HardwareDevice> >&
91 DeviceManager::devices() const
96 list< shared_ptr<devices::HardwareDevice> >
97 DeviceManager::driver_scan(
98 shared_ptr<Driver> driver, map<const ConfigKey *, VariantBase> drvopts)
100 list< shared_ptr<devices::HardwareDevice> > driver_devices;
104 // Remove any device instances from this driver from the device
105 // list. They will not be valid after the scan.
106 devices_.remove_if([&](shared_ptr<devices::HardwareDevice> device) {
107 return device->hardware_device()->driver() == driver; });
110 auto devices = driver->scan(drvopts);
112 // Add the scanned devices to the main list, set display names and sort.
113 for (shared_ptr<sigrok::HardwareDevice> device : devices) {
114 const shared_ptr<devices::HardwareDevice> d(
115 new devices::HardwareDevice(context_, device));
116 driver_devices.push_back(d);
119 devices_.insert(devices_.end(), driver_devices.begin(),
120 driver_devices.end());
121 devices_.sort(bind(&DeviceManager::compare_devices, this, _1, _2));
122 driver_devices.sort(bind(
123 &DeviceManager::compare_devices, this, _1, _2));
125 return driver_devices;
128 const map<string, string> DeviceManager::get_device_info(
129 shared_ptr<devices::Device> device)
131 map<string, string> result;
135 const shared_ptr<sigrok::Device> sr_dev = device->device();
136 if (sr_dev->vendor().length() > 0)
137 result["vendor"] = sr_dev->vendor();
138 if (sr_dev->model().length() > 0)
139 result["model"] = sr_dev->model();
140 if (sr_dev->version().length() > 0)
141 result["version"] = sr_dev->version();
142 if (sr_dev->serial_number().length() > 0)
143 result["serial_num"] = sr_dev->serial_number();
144 if (sr_dev->connection_id().length() > 0)
145 result["connection_id"] = sr_dev->connection_id();
150 const shared_ptr<devices::HardwareDevice> DeviceManager::find_device_from_info(
151 const map<string, string> search_info)
153 shared_ptr<devices::HardwareDevice> last_resort_dev;
154 map<string, string> dev_info;
156 for (shared_ptr<devices::HardwareDevice> dev : devices_) {
158 dev_info = get_device_info(dev);
160 // If present, vendor and model always have to match.
161 if (dev_info.count("vendor") > 0 && search_info.count("vendor") > 0)
162 if (dev_info.at("vendor") != search_info.at("vendor"))
165 if (dev_info.count("model") > 0 && search_info.count("model") > 0)
166 if (dev_info.at("model") != search_info.at("model"))
169 // Most unique match: vendor/model/serial_num (but don't match a S/N of 0)
170 if ((dev_info.count("serial_num") > 0) && (dev_info.at("serial_num") != "0")
171 && search_info.count("serial_num") > 0)
172 if (dev_info.at("serial_num") == search_info.at("serial_num") &&
173 dev_info.at("serial_num") != "0")
176 // Second best match: vendor/model/connection_id
177 if (dev_info.count("connection_id") > 0 &&
178 search_info.count("connection_id") > 0)
179 if (dev_info.at("connection_id") == search_info.at("connection_id"))
182 // Last resort: vendor/model/version
183 if (dev_info.count("version") > 0 &&
184 search_info.count("version") > 0)
185 if (dev_info.at("version") == search_info.at("version") &&
186 dev_info.at("version") != "0")
189 // For this device, we merely have a vendor/model match.
190 last_resort_dev = dev;
193 // If there wasn't even a vendor/model/version match, we end up here.
194 // This is usually the case for devices with only vendor/model data.
195 // The selected device may be wrong with multiple such devices attached
196 // but it is the best we can do at this point. After all, there may be
197 // only one such device and we do want to select it in this case.
198 return last_resort_dev;
201 bool DeviceManager::compare_devices(shared_ptr<devices::Device> a,
202 shared_ptr<devices::Device> b)
206 return a->display_name(*this).compare(b->display_name(*this)) < 0;