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_open_(false) {
  48         device_ = device;
  49 }
  50
  51 HardwareDevice::~HardwareDevice() {
  52         close();
  53 }
  54
  55 string HardwareDevice::full_name() const {
  56         vector<string> parts = {device_->vendor(), device_->model(),
  57                 device_->version(), device_->serial_number()};
  58         if (device_->connection_id().length() > 0)
  59                 parts.push_back("(" + device_->connection_id() + ")");
  60         return join(parts, " ");
  61 }
  62
  63 shared_ptr<sigrok::HardwareDevice> HardwareDevice::hardware_device() const {
  64         return static_pointer_cast<sigrok::HardwareDevice>(device_);
  65 }
  66
  67 string HardwareDevice::display_name(
  68         const DeviceManager &device_manager) const {
  69         const auto hw_dev = hardware_device();
  70
  71         // If we can find another device with the same model/vendor then
  72         // we have at least two such devices and need to distinguish them.
  73         const auto &devices = device_manager.devices();
  74         const bool multiple_dev = hw_dev && any_of(
  75                 devices.begin(), devices.end(),
  76                 [&](shared_ptr<devices::HardwareDevice> dev) {
  77                         return dev->hardware_device()->vendor() ==
  78                                         hw_dev->vendor() &&
  79                                 dev->hardware_device()->model() ==
  80                                         hw_dev->model() &&
  81                                 dev->device_ != device_;
  82                 });
  83
  84         vector<string> parts = {device_->vendor(), device_->model()};
  85
  86         if (multiple_dev) {
  87                 parts.push_back(device_->version());
  88                 parts.push_back(device_->serial_number());
  89
  90                 if ((device_->serial_number().length() == 0) &&
  91                         (device_->connection_id().length() > 0))
  92                         parts.push_back("(" + device_->connection_id() + ")");
  93         }
  94
  95         return join(parts, " ");
  96 }
  97
  98 void HardwareDevice::open() {
  99         if (device_open_)
 100                 close();
 101
 102         try {
 103                 device_->open();
 104         } catch(const sigrok::Error &e) {
 105                 throw QString(e.what());
 106         }
 107
 108         device_open_ = true;
 109
 110         // Set up the session
 111         session_ = context_->create_session();
 112         session_->add_device(device_);
 113 }
 114
 115 void HardwareDevice::close() {
 116         if (device_open_)
 117                 device_->close();
 118
 119         if (session_)
 120                 session_->remove_devices();
 121
 122         device_open_ = false;
 123 }
 124
 125 } // namespace devices
 126 } // namespace pv