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1/****************************************************************************
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4** Contact: http://www.qt.io/licensing/
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6** This file is part of the QtSerialBus module of the Qt Toolkit.
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8** $QT_BEGIN_LICENSE:LGPL3$
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25** GNU General Public License Usage
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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
46QT_BEGIN_NAMESPACE
47
48class QModbusServerPrivate;
49
50class Q_SERIALBUS_EXPORT QModbusServer : public QModbusDevice
51{
52 Q_OBJECT
53 Q_DECLARE_PRIVATE(QModbusServer)
54
55public:
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);
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
89Q_SIGNALS:
90 void dataWritten(QModbusDataUnit::RegisterType table, int address, int size);
91
92protected:
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
102Q_DECLARE_TYPEINFO(QModbusServer::Option, Q_PRIMITIVE_TYPE);
103
104QT_END_NAMESPACE
105
106#endif // QMODBUSERVER_H
107

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source code of qtserialbus/src/serialbus/qmodbusserver.h