2020-01-16 00:52:14 +01:00

78 lines
2.8 KiB
C++

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* *
* Copyright (C) 2019 Simon Stürz <simon.stuerz@nymea.io> *
* *
* This file is part of nymea. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public *
* License as published by the Free Software Foundation; either *
* version 2.1 of the License, or (at your option) any later version. *
* *
* This library 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 *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; If not, see *
* <http://www.gnu.org/licenses/>. *
* *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#ifndef USBRELAY_H
#define USBRELAY_H
#include <QObject>
#include <hidapi/hidapi.h>
#include "rawhiddevicewatcher.h"
class UsbRelay : public QObject
{
Q_OBJECT
public:
explicit UsbRelay(const QString &path, int relayCount, QObject *parent = nullptr);
~UsbRelay();
QString path() const;
int relayCount() const;
bool connected() const;
bool relayPower(int relayNumber) const;
bool setRelayPower(int relayNumber, bool power);
private:
RawHidDeviceWatcher *m_deviceWatcher = nullptr;
hid_device *m_hidDevice = nullptr;
QString m_path;
int m_relayCount = 0;
bool m_connected = false;
bool m_relayOnePower = false;
bool m_relayTwoPower = false;
void setConnected(bool connected);
// Relay map <relay number>, bool value
QHash<int, bool> m_relayMap;
void setRelayPowerInternally(int relayNumber, bool power);
void readStatus();
bool switchRelay(int relayNumber, bool power);
signals:
void connectedChanged(bool connected);
void relayPowerChanged(int relayNumber, bool power);
private slots:
void onDeviceAdded(const QString &devicePath);
void onDeviceRemoved(const QString &devicePath);
};
#endif // USBRELAY_H