usbsignalfilter.cpp

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/*
 * 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 3 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/>
 *
 * Additional note on redistribution: The copyright and license notices above
 * must be maintained in each individual source file that is a derivative work
 * of this source file; otherwise redistribution is prohibited.
 */

#include "usbsignalfilter.h"
#include <QDebug>

//#define USB_FILTER_DEBUG
#ifdef USB_FILTER_DEBUG
#define USB_FILTER_QXTLOG_DEBUG(...) qDebug() << __VA_ARGS__
#else // USB_FILTER_DEBUG
#define USB_FILTER_QXTLOG_DEBUG(...)
#endif // USB_FILTER_DEBUG

bool USBSignalFilter::portMatches(USBPortInfo port)
{
    if ((m_vid.contains(port.vendorID) || m_vid.isEmpty())
        && (port.productID == m_pid || m_pid == -1)
        && ((port.bcdDevice >> 8) == m_boardModel || m_boardModel == -1)
        && (port.getRunState() == m_runState || m_runState == -1)) {
        return true;
    }

    return false;
}

void USBSignalFilter::m_deviceDiscovered(USBPortInfo port)
{
    if (portMatches(port)) {
        USB_FILTER_QXTLOG_DEBUG("USBSignalFilter emit device discovered");
        emit deviceDiscovered();
    }
}

void USBSignalFilter::m_deviceRemoved(USBPortInfo port)
{
    if (portMatches(port)) {
        USB_FILTER_QXTLOG_DEBUG("USBSignalFilter emit device removed");
        emit deviceRemoved();
    }
}

USBSignalFilter::USBSignalFilter(int vid, int pid, int boardModel, int runState)
    : m_pid(pid)
    , m_boardModel(boardModel)
    , m_runState(runState)
{
    if (vid != -1)
        m_vid.append(vid);

    connect(USBMonitor::instance(), &USBMonitor::deviceDiscovered, this,
            &USBSignalFilter::m_deviceDiscovered, Qt::QueuedConnection);
    connect(USBMonitor::instance(), &USBMonitor::deviceRemoved, this,
            &USBSignalFilter::m_deviceRemoved, Qt::QueuedConnection);
}

USBSignalFilter::USBSignalFilter(QList<int> vid, int pid, int boardModel, int runState)
    : m_vid(vid)
    , m_pid(pid)
    , m_boardModel(boardModel)
    , m_runState(runState)
{
    connect(USBMonitor::instance(), &USBMonitor::deviceDiscovered, this,
            &USBSignalFilter::m_deviceDiscovered, Qt::QueuedConnection);
    connect(USBMonitor::instance(), &USBMonitor::deviceRemoved, this,
            &USBSignalFilter::m_deviceRemoved, Qt::QueuedConnection);
}