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;
105 * We currently only support devices that can deliver samples at
106 * a fixed samplerate (i.e. oscilloscopes and logic analysers).
108 * @todo Add support for non-monotonic devices (DMMs, sensors, etc).
110 const auto keys = driver->config_keys();
111 bool supported_device = keys.count(ConfigKey::LOGIC_ANALYZER) |
112 keys.count(ConfigKey::OSCILLOSCOPE);
113 if (!supported_device)
114 return driver_devices;
116 // Remove any device instances from this driver from the device
117 // list. They will not be valid after the scan.
118 devices_.remove_if([&](shared_ptr<devices::HardwareDevice> device) {
119 return device->hardware_device()->driver() == driver; });
122 auto devices = driver->scan(drvopts);
124 // Add the scanned devices to the main list, set display names and sort.
125 for (shared_ptr<sigrok::HardwareDevice> device : devices) {
126 const shared_ptr<devices::HardwareDevice> d(
127 new devices::HardwareDevice(context_, device));
128 driver_devices.push_back(d);
131 devices_.insert(devices_.end(), driver_devices.begin(),
132 driver_devices.end());
133 devices_.sort(bind(&DeviceManager::compare_devices, this, _1, _2));
134 driver_devices.sort(bind(
135 &DeviceManager::compare_devices, this, _1, _2));
137 return driver_devices;
140 const map<string, string> DeviceManager::get_device_info(
141 shared_ptr<devices::Device> device)
143 map<string, string> result;
147 const shared_ptr<sigrok::Device> sr_dev = device->device();
148 if (sr_dev->vendor().length() > 0)
149 result["vendor"] = sr_dev->vendor();
150 if (sr_dev->model().length() > 0)
151 result["model"] = sr_dev->model();
152 if (sr_dev->version().length() > 0)
153 result["version"] = sr_dev->version();
154 if (sr_dev->serial_number().length() > 0)
155 result["serial_num"] = sr_dev->serial_number();
156 if (sr_dev->connection_id().length() > 0)
157 result["connection_id"] = sr_dev->connection_id();
162 const shared_ptr<devices::HardwareDevice> DeviceManager::find_device_from_info(
163 const map<string, string> search_info)
165 shared_ptr<devices::HardwareDevice> last_resort_dev;
166 map<string, string> dev_info;
168 for (shared_ptr<devices::HardwareDevice> dev : devices_) {
170 dev_info = get_device_info(dev);
172 // If present, vendor and model always have to match.
173 if (dev_info.count("vendor") > 0 && search_info.count("vendor") > 0)
174 if (dev_info.at("vendor") != search_info.at("vendor"))
177 if (dev_info.count("model") > 0 && search_info.count("model") > 0)
178 if (dev_info.at("model") != search_info.at("model"))
181 // Most unique match: vendor/model/serial_num (but don't match a S/N of 0)
182 if ((dev_info.count("serial_num") > 0) && (dev_info.at("serial_num") != "0")
183 && search_info.count("serial_num") > 0)
184 if (dev_info.at("serial_num") == search_info.at("serial_num") &&
185 dev_info.at("serial_num") != "0")
188 // Second best match: vendor/model/connection_id
189 if (dev_info.count("connection_id") > 0 &&
190 search_info.count("connection_id") > 0)
191 if (dev_info.at("connection_id") == search_info.at("connection_id"))
194 // Last resort: vendor/model/version
195 if (dev_info.count("version") > 0 &&
196 search_info.count("version") > 0)
197 if (dev_info.at("version") == search_info.at("version") &&
198 dev_info.at("version") != "0")
201 // For this device, we merely have a vendor/model match.
202 last_resort_dev = dev;
205 // If there wasn't even a vendor/model/version match, we end up here.
206 // This is usually the case for devices with only vendor/model data.
207 // The selected device may be wrong with multiple such devices attached
208 // but it is the best we can do at this point. After all, there may be
209 // only one such device and we do want to select it in this case.
210 return last_resort_dev;
213 bool DeviceManager::compare_devices(shared_ptr<devices::Device> a,
214 shared_ptr<devices::Device> b)
218 return a->display_name(*this).compare(b->display_name(*this)) < 0;