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, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 #include "devicemanager.hpp"
22 #include "session.hpp"
31 #include <libsigrokcxx/libsigrokcxx.hpp>
33 #include <boost/algorithm/string/join.hpp>
34 #include <boost/filesystem.hpp>
36 #include <pv/devices/hardwaredevice.hpp>
38 using boost::algorithm::join;
41 using std::dynamic_pointer_cast;
44 using std::placeholders::_1;
45 using std::placeholders::_2;
47 using std::runtime_error;
48 using std::shared_ptr;
52 using Glib::VariantBase;
54 using sigrok::ConfigKey;
55 using sigrok::Context;
57 using sigrok::SessionDevice;
61 DeviceManager::DeviceManager(shared_ptr<Context> context) :
64 for (auto entry : context->drivers())
65 driver_scan(entry.second, map<const ConfigKey *, VariantBase>());
68 DeviceManager::~DeviceManager()
72 const std::shared_ptr<sigrok::Context>& DeviceManager::context() const
77 shared_ptr<Context> DeviceManager::context()
82 const list< shared_ptr<devices::HardwareDevice> >&
83 DeviceManager::devices() const
88 list< shared_ptr<devices::HardwareDevice> >
89 DeviceManager::driver_scan(
90 shared_ptr<Driver> driver, map<const ConfigKey *, VariantBase> drvopts)
92 list< shared_ptr<devices::HardwareDevice> > driver_devices;
96 // Remove any device instances from this driver from the device
97 // list. They will not be valid after the scan.
98 devices_.remove_if([&](shared_ptr<devices::HardwareDevice> device) {
99 return device->hardware_device()->driver() == driver; });
102 auto devices = driver->scan(drvopts);
104 // Add the scanned devices to the main list, set display names and sort.
105 for (shared_ptr<sigrok::HardwareDevice> device : devices) {
106 const shared_ptr<devices::HardwareDevice> d(
107 new devices::HardwareDevice(context_, device));
108 driver_devices.push_back(d);
111 devices_.insert(devices_.end(), driver_devices.begin(),
112 driver_devices.end());
113 devices_.sort(bind(&DeviceManager::compare_devices, this, _1, _2));
114 driver_devices.sort(bind(
115 &DeviceManager::compare_devices, this, _1, _2));
117 return driver_devices;
120 const map<string, string> DeviceManager::get_device_info(
121 shared_ptr<devices::Device> device)
123 map<string, string> result;
127 const shared_ptr<sigrok::Device> sr_dev = device->device();
128 if (sr_dev->vendor().length() > 0)
129 result["vendor"] = sr_dev->vendor();
130 if (sr_dev->model().length() > 0)
131 result["model"] = sr_dev->model();
132 if (sr_dev->version().length() > 0)
133 result["version"] = sr_dev->version();
134 if (sr_dev->serial_number().length() > 0)
135 result["serial_num"] = sr_dev->serial_number();
136 if (sr_dev->connection_id().length() > 0)
137 result["connection_id"] = sr_dev->connection_id();
142 const shared_ptr<devices::HardwareDevice> DeviceManager::find_device_from_info(
143 const map<string, string> search_info)
145 shared_ptr<devices::HardwareDevice> last_resort_dev;
146 map<string, string> dev_info;
148 for (shared_ptr<devices::HardwareDevice> dev : devices_) {
150 dev_info = get_device_info(dev);
152 // If present, vendor and model always have to match.
153 if (dev_info.count("vendor") > 0 && search_info.count("vendor") > 0)
154 if (dev_info.at("vendor") != search_info.at("vendor"))
157 if (dev_info.count("model") > 0 && search_info.count("model") > 0)
158 if (dev_info.at("model") != search_info.at("model"))
161 // Most unique match: vendor/model/serial_num (but don't match a S/N of 0)
162 if ((dev_info.count("serial_num") > 0) && (dev_info.at("serial_num") != "0")
163 && search_info.count("serial_num") > 0)
164 if (dev_info.at("serial_num") == search_info.at("serial_num") &&
165 dev_info.at("serial_num") != "0")
168 // Second best match: vendor/model/connection_id
169 if (dev_info.count("connection_id") > 0 &&
170 search_info.count("connection_id") > 0)
171 if (dev_info.at("connection_id") == search_info.at("connection_id"))
174 // Last resort: vendor/model/version
175 if (dev_info.count("version") > 0 &&
176 search_info.count("version") > 0)
177 if (dev_info.at("version") == search_info.at("version") &&
178 dev_info.at("version") != "0")
181 // For this device, we merely have a vendor/model match.
182 last_resort_dev = dev;
185 // If there wasn't even a vendor/model/version match, we end up here.
186 // This is usually the case for devices with only vendor/model data.
187 // The selected device may be wrong with multiple such devices attached
188 // but it is the best we can do at this point. After all, there may be
189 // only one such device and we do want to select it in this case.
190 return last_resort_dev;
193 bool DeviceManager::compare_devices(shared_ptr<devices::Device> a,
194 shared_ptr<devices::Device> b)
198 return a->display_name(*this).compare(b->display_name(*this)) < 0;