78 lines
2.8 KiB
C++
78 lines
2.8 KiB
C++
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* *
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* Copyright (C) 2019 Simon Stürz <simon.stuerz@nymea.io> *
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* *
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* This file is part of nymea. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Lesser General Public *
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* License as published by the Free Software Foundation; either *
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* version 2.1 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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* Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public *
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* License along with this library; If not, see *
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* <http://www.gnu.org/licenses/>. *
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* *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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#ifndef USBRELAY_H
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#define USBRELAY_H
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#include <QObject>
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#include <hidapi/hidapi.h>
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#include "rawhiddevicewatcher.h"
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class UsbRelay : public QObject
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{
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Q_OBJECT
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public:
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explicit UsbRelay(const QString &path, int relayCount, QObject *parent = nullptr);
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~UsbRelay();
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QString path() const;
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int relayCount() const;
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bool connected() const;
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bool relayPower(int relayNumber) const;
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bool setRelayPower(int relayNumber, bool power);
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private:
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RawHidDeviceWatcher *m_deviceWatcher = nullptr;
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hid_device *m_hidDevice = nullptr;
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QString m_path;
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int m_relayCount = 0;
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bool m_connected = false;
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bool m_relayOnePower = false;
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bool m_relayTwoPower = false;
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void setConnected(bool connected);
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// Relay map <relay number>, bool value
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QHash<int, bool> m_relayMap;
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void setRelayPowerInternally(int relayNumber, bool power);
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void readStatus();
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bool switchRelay(int relayNumber, bool power);
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signals:
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void connectedChanged(bool connected);
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void relayPowerChanged(int relayNumber, bool power);
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private slots:
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void onDeviceAdded(const QString &devicePath);
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void onDeviceRemoved(const QString &devicePath);
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};
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#endif // USBRELAY_H
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