pv/devices/hardwaredevice.cpp

   1 /*
   2  * This file is part of the PulseView project.
   3  *
   4  * Copyright (C) 2015 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 <boost/algorithm/string/join.hpp>
  22
  23 #include <QString>
  24
  25 #include <libsigrokcxx/libsigrokcxx.hpp>
  26
  27 #include <pv/devicemanager.hpp>
  28
  29 #include "hardwaredevice.hpp"
  30
  31 using std::dynamic_pointer_cast;
  32 using std::shared_ptr;
  33 using std::static_pointer_cast;
  34 using std::string;
  35 using std::vector;
  36
  37 using boost::algorithm::join;
  38
  39 using sigrok::HardwareDevice;
  40
  41 namespace pv {
  42 namespace devices {
  43
  44 HardwareDevice::HardwareDevice(const std::shared_ptr<sigrok::Context> &context,
  45         std::shared_ptr<sigrok::HardwareDevice> device) :
  46         context_(context) {
  47         device_ = device;
  48 }
  49
  50 HardwareDevice::~HardwareDevice() {
  51         device_->close();
  52         if (session_)
  53                 session_->remove_devices();
  54 }
  55
  56 string HardwareDevice::full_name() const {
  57         vector<string> parts = {device_->vendor(), device_->model(),
  58                 device_->version(), device_->serial_number()};
  59         if (device_->connection_id().length() > 0)
  60                 parts.push_back("(" + device_->connection_id() + ")");
  61         return join(parts, " ");
  62 }
  63
  64 shared_ptr<sigrok::HardwareDevice> HardwareDevice::hardware_device() const {
  65         return static_pointer_cast<sigrok::HardwareDevice>(device_);
  66 }
  67
  68 string HardwareDevice::display_name(
  69         const DeviceManager &device_manager) const {
  70         const auto hw_dev = hardware_device();
  71
  72         // If we can find another device with the same model/vendor then
  73         // we have at least two such devices and need to distinguish them.
  74         const auto &devices = device_manager.devices();
  75         const bool multiple_dev = hw_dev && any_of(
  76                 devices.begin(), devices.end(),
  77                 [&](shared_ptr<devices::HardwareDevice> dev) {
  78                         return dev->hardware_device()->vendor() ==
  79                                         hw_dev->vendor() &&
  80                                 dev->hardware_device()->model() ==
  81                                         hw_dev->model() &&
  82                                 dev->device_ != device_;
  83                 });
  84
  85         vector<string> parts = {device_->vendor(), device_->model()};
  86
  87         if (multiple_dev) {
  88                 parts.push_back(device_->version());
  89                 parts.push_back(device_->serial_number());
  90
  91                 if ((device_->serial_number().length() == 0) &&
  92                         (device_->connection_id().length() > 0))
  93                         parts.push_back("(" + device_->connection_id() + ")");
  94         }
  95
  96         return join(parts, " ");
  97 }
  98
  99 void HardwareDevice::create() {
 100         // Open the device
 101         try {
 102                 device_->open();
 103         } catch(const sigrok::Error &e) {
 104                 throw QString(e.what());
 105         }
 106
 107         // Set up the session
 108         session_ = context_->create_session();
 109         session_->add_device(device_);
 110 }
 111
 112 } // namespace devices
 113 } // namespace pv