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LibrePilot/ground/openpilotgcs/src/plugins/rawhid/rawhidplugin.h
pip a2cf1c4673 Now able (hopefully) to unplug USB device from PC whilst the GCS is still connected to it via USB .. in WINDOWS ONLY.
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@2913 ebee16cc-31ac-478f-84a7-5cbb03baadba
2011-02-28 00:34:31 +00:00

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3.3 KiB
C++

/**
******************************************************************************
*
* @file rawhid.h
* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
* @addtogroup GCSPlugins GCS Plugins
* @{
* @addtogroup RawHIDPlugin Raw HID Plugin
* @{
* @brief Impliments a HID USB connection to the flight hardware as a QIODevice
*****************************************************************************/
/*
* 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, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef RAWHIDPLUGIN_H
#define RAWHIDPLUGIN_H
#include "rawhid_global.h"
#include "rawhid.h"
#include "coreplugin/iconnection.h"
#include <extensionsystem/iplugin.h>
#include <QtCore/QMutex>
#include <QtCore/QThread>
class IConnection;
class RawHIDConnection;
/**
* Helper thread to check on device connection/disconnection
* Underlying HID library is not really easy to use,
* so we have to poll for device modification in a separate thread
*/
class RAWHID_EXPORT RawHIDEnumerationThread : public QThread
{
Q_OBJECT
public:
RawHIDEnumerationThread(RawHIDConnection *rawhid);
virtual ~RawHIDEnumerationThread();
virtual void run();
signals:
void enumerationChanged();
protected slots:
void onRawHidConnectionDestroyed(QObject *obj); // Pip
protected:
RawHIDConnection *m_rawhid;
bool m_running;
};
/**
* Define a connection via the IConnection interface
* Plugin will add a instance of this class to the pool,
* so the connection manager can use it.
*/
class RAWHID_EXPORT RawHIDConnection
: public Core::IConnection
{
Q_OBJECT
public:
RawHIDConnection();
virtual ~RawHIDConnection();
virtual QStringList availableDevices();
virtual QIODevice *openDevice(const QString &deviceName);
virtual void closeDevice(const QString &deviceName);
virtual QString connectionName();
virtual QString shortName();
virtual void suspendPolling();
virtual void resumePolling();
bool deviceOpened() { return (RawHidHandle != NULL); } // Pip
signals:
void deviceClosed(QObject *obj); // Pip
public slots:
void onRawHidClosed();
protected slots:
void onEnumerationChanged();
private slots:
void onRawHidDestroyed(QObject *obj);
private:
RawHID *RawHidHandle;
bool enablePolling;
protected:
QMutex m_enumMutex;
RawHIDEnumerationThread m_enumerateThread;
bool m_deviceOpened;
};
class RAWHID_EXPORT RawHIDPlugin
: public ExtensionSystem::IPlugin
{
Q_OBJECT
public:
RawHIDPlugin();
~RawHIDPlugin();
virtual bool initialize(const QStringList &arguments, QString *error_message);
virtual void extensionsInitialized();
private:
RawHIDConnection *hidConnection;
};
#endif // RAWHIDPLUGIN_H