1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2017 The Qt Company Ltd. 4 ** Contact: http://www.qt.io/licensing/ 5 ** 6 ** This file is part of the QtSerialBus module of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL3$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see http://www.qt.io/terms-conditions. For further 15 ** information use the contact form at http://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 3 as published by the Free Software 20 ** Foundation and appearing in the file LICENSE.LGPLv3 included in the 21 ** packaging of this file. Please review the following information to 22 ** ensure the GNU Lesser General Public License version 3 requirements 23 ** will be met: https://www.gnu.org/licenses/lgpl.html. 24 ** 25 ** GNU General Public License Usage 26 ** Alternatively, this file may be used under the terms of the GNU 27 ** General Public License version 2.0 or later as published by the Free 28 ** Software Foundation and appearing in the file LICENSE.GPL included in 29 ** the packaging of this file. Please review the following information to 30 ** ensure the GNU General Public License version 2.0 requirements will be 31 ** met: http://www.gnu.org/licenses/gpl-2.0.html. 32 ** 33 ** $QT_END_LICENSE$ 34 ** 35 ****************************************************************************/ 36 37 #ifndef QMODBUSERVER_H 38 #define QMODBUSERVER_H 39 40 #include <QtCore/qobject.h> 41 #include <QtCore/qvariant.h> 42 #include <QtSerialBus/qmodbusdataunit.h> 43 #include <QtSerialBus/qmodbusdevice.h> 44 #include <QtSerialBus/qmodbuspdu.h> 45 46 QT_BEGIN_NAMESPACE 47 48 class QModbusServerPrivate; 49 50 class Q_SERIALBUS_EXPORT QModbusServer : public QModbusDevice 51 { 52 Q_OBJECT 53 Q_DECLARE_PRIVATE(QModbusServer) 54 55 public: 56 enum Option { 57 DiagnosticRegister, 58 ExceptionStatusOffset, 59 DeviceBusy, 60 AsciiInputDelimiter, 61 ListenOnlyMode, 62 ServerIdentifier, 63 RunIndicatorStatus, 64 AdditionalData, 65 DeviceIdentification, 66 // Reserved 67 UserOption = 0x100 68 }; 69 Q_ENUM(Option) 70 71 explicit QModbusServer(QObject *parent = nullptr); 72 ~QModbusServer(); 73 74 int serverAddress() const; 75 void setServerAddress(int serverAddress); 76 77 virtual bool setMap(const QModbusDataUnitMap &map); processesBroadcast()78 virtual bool processesBroadcast() const { return false; } 79 80 virtual QVariant value(int option) const; 81 virtual bool setValue(int option, const QVariant &value); 82 83 bool data(QModbusDataUnit *newData) const; 84 bool setData(const QModbusDataUnit &unit); 85 86 bool setData(QModbusDataUnit::RegisterType table, quint16 address, quint16 data); 87 bool data(QModbusDataUnit::RegisterType table, quint16 address, quint16 *data) const; 88 89 Q_SIGNALS: 90 void dataWritten(QModbusDataUnit::RegisterType table, int address, int size); 91 92 protected: 93 QModbusServer(QModbusServerPrivate &dd, QObject *parent = nullptr); 94 95 virtual bool writeData(const QModbusDataUnit &unit); 96 virtual bool readData(QModbusDataUnit *newData) const; 97 98 virtual QModbusResponse processRequest(const QModbusPdu &request); 99 virtual QModbusResponse processPrivateRequest(const QModbusPdu &request); 100 }; 101 102 Q_DECLARE_TYPEINFO(QModbusServer::Option, Q_PRIMITIVE_TYPE); 103 104 QT_END_NAMESPACE 105 106 #endif // QMODBUSERVER_H 107