pulseview/pv/devices/hardwaredevice.cpp

132 lines
3.1 KiB
C++

/*
* This file is part of the PulseView project.
*
* Copyright (C) 2015 Joel Holdsworth <joel@airwebreathe.org.uk>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include <boost/algorithm/string/join.hpp>
#include <QString>
#include <libsigrokcxx/libsigrokcxx.hpp>
#include <pv/devicemanager.hpp>
#include "hardwaredevice.hpp"
using std::shared_ptr;
using std::static_pointer_cast;
using std::string;
using std::vector;
using boost::algorithm::join;
using sigrok::HardwareDevice;
namespace pv {
namespace devices {
HardwareDevice::HardwareDevice(const shared_ptr<sigrok::Context> &context,
shared_ptr<sigrok::HardwareDevice> device) :
context_(context),
device_open_(false)
{
device_ = device;
}
HardwareDevice::~HardwareDevice()
{
close();
}
string HardwareDevice::full_name() const
{
vector<string> parts = {device_->vendor(), device_->model(),
device_->version(), device_->serial_number()};
if (device_->connection_id().length() > 0)
parts.push_back("(" + device_->connection_id() + ")");
return join(parts, " ");
}
shared_ptr<sigrok::HardwareDevice> HardwareDevice::hardware_device() const
{
return static_pointer_cast<sigrok::HardwareDevice>(device_);
}
string HardwareDevice::display_name(
const DeviceManager &device_manager) const
{
const auto hw_dev = hardware_device();
// If we can find another device with the same model/vendor then
// we have at least two such devices and need to distinguish them.
const auto &devices = device_manager.devices();
const bool multiple_dev = hw_dev && any_of(
devices.begin(), devices.end(),
[&](shared_ptr<devices::HardwareDevice> dev) {
return dev->hardware_device()->vendor() ==
hw_dev->vendor() &&
dev->hardware_device()->model() ==
hw_dev->model() &&
dev->device_ != device_;
});
vector<string> parts = {device_->vendor(), device_->model()};
if (multiple_dev) {
parts.push_back(device_->version());
parts.push_back(device_->serial_number());
if ((device_->serial_number().length() == 0) &&
(device_->connection_id().length() > 0))
parts.push_back("(" + device_->connection_id() + ")");
}
return join(parts, " ");
}
void HardwareDevice::open()
{
if (device_open_)
close();
try {
device_->open();
} catch (const sigrok::Error &e) {
throw QString(e.what());
}
device_open_ = true;
// Set up the session
session_ = context_->create_session();
session_->add_device(device_);
}
void HardwareDevice::close()
{
if (device_open_)
device_->close();
if (session_)
session_->remove_devices();
device_open_ = false;
}
} // namespace devices
} // namespace pv