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"
29 #include <libsigrokcxx/libsigrokcxx.hpp>
31 #include <boost/filesystem.hpp>
33 #include <pv/devices/hardwaredevice.hpp>
38 using std::placeholders::_1;
39 using std::placeholders::_2;
40 using std::shared_ptr;
43 using Glib::VariantBase;
45 using sigrok::ConfigKey;
46 using sigrok::Context;
51 DeviceManager::DeviceManager(shared_ptr<Context> context) :
54 for (auto entry : context->drivers())
55 driver_scan(entry.second, map<const ConfigKey *, VariantBase>());
58 const shared_ptr<sigrok::Context>& DeviceManager::context() const
63 shared_ptr<Context> DeviceManager::context()
68 const list< shared_ptr<devices::HardwareDevice> >&
69 DeviceManager::devices() const
74 list< shared_ptr<devices::HardwareDevice> >
75 DeviceManager::driver_scan(
76 shared_ptr<Driver> driver, map<const ConfigKey *, VariantBase> drvopts)
78 list< shared_ptr<devices::HardwareDevice> > driver_devices;
82 // Remove any device instances from this driver from the device
83 // list. They will not be valid after the scan.
84 devices_.remove_if([&](shared_ptr<devices::HardwareDevice> device) {
85 return device->hardware_device()->driver() == driver; });
88 auto devices = driver->scan(drvopts);
90 // Add the scanned devices to the main list, set display names and sort.
91 for (shared_ptr<sigrok::HardwareDevice> device : devices) {
92 const shared_ptr<devices::HardwareDevice> d(
93 new devices::HardwareDevice(context_, device));
94 driver_devices.push_back(d);
97 devices_.insert(devices_.end(), driver_devices.begin(),
98 driver_devices.end());
99 devices_.sort(bind(&DeviceManager::compare_devices, this, _1, _2));
100 driver_devices.sort(bind(
101 &DeviceManager::compare_devices, this, _1, _2));
103 return driver_devices;
106 const map<string, string> DeviceManager::get_device_info(
107 shared_ptr<devices::Device> device)
109 map<string, string> result;
113 const shared_ptr<sigrok::Device> sr_dev = device->device();
114 if (sr_dev->vendor().length() > 0)
115 result["vendor"] = sr_dev->vendor();
116 if (sr_dev->model().length() > 0)
117 result["model"] = sr_dev->model();
118 if (sr_dev->version().length() > 0)
119 result["version"] = sr_dev->version();
120 if (sr_dev->serial_number().length() > 0)
121 result["serial_num"] = sr_dev->serial_number();
122 if (sr_dev->connection_id().length() > 0)
123 result["connection_id"] = sr_dev->connection_id();
128 const shared_ptr<devices::HardwareDevice> DeviceManager::find_device_from_info(
129 const map<string, string> search_info)
131 shared_ptr<devices::HardwareDevice> last_resort_dev;
132 map<string, string> dev_info;
134 for (shared_ptr<devices::HardwareDevice> dev : devices_) {
136 dev_info = get_device_info(dev);
138 // If present, vendor and model always have to match.
139 if (dev_info.count("vendor") > 0 && search_info.count("vendor") > 0)
140 if (dev_info.at("vendor") != search_info.at("vendor"))
143 if (dev_info.count("model") > 0 && search_info.count("model") > 0)
144 if (dev_info.at("model") != search_info.at("model"))
147 // Most unique match: vendor/model/serial_num (but don't match a S/N of 0)
148 if ((dev_info.count("serial_num") > 0) && (dev_info.at("serial_num") != "0")
149 && search_info.count("serial_num") > 0)
150 if (dev_info.at("serial_num") == search_info.at("serial_num") &&
151 dev_info.at("serial_num") != "0")
154 // Second best match: vendor/model/connection_id
155 if (dev_info.count("connection_id") > 0 &&
156 search_info.count("connection_id") > 0)
157 if (dev_info.at("connection_id") == search_info.at("connection_id"))
160 // Last resort: vendor/model/version
161 if (dev_info.count("version") > 0 &&
162 search_info.count("version") > 0)
163 if (dev_info.at("version") == search_info.at("version") &&
164 dev_info.at("version") != "0")
167 // For this device, we merely have a vendor/model match.
168 last_resort_dev = dev;
171 // If there wasn't even a vendor/model/version match, we end up here.
172 // This is usually the case for devices with only vendor/model data.
173 // The selected device may be wrong with multiple such devices attached
174 // but it is the best we can do at this point. After all, there may be
175 // only one such device and we do want to select it in this case.
176 return last_resort_dev;
179 bool DeviceManager::compare_devices(shared_ptr<devices::Device> a,
180 shared_ptr<devices::Device> b)
184 return a->display_name(*this).compare(b->display_name(*this)) < 0;