1// Copyright (C) 2017 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#ifndef QMODBUSERVER_H
5#define QMODBUSERVER_H
6
7#include <QtCore/qobject.h>
8#include <QtCore/qvariant.h>
9#include <QtSerialBus/qmodbusdataunit.h>
10#include <QtSerialBus/qmodbusdevice.h>
11#include <QtSerialBus/qmodbuspdu.h>
12
13QT_BEGIN_NAMESPACE
14
15class QModbusServerPrivate;
16
17class Q_SERIALBUS_EXPORT QModbusServer : public QModbusDevice
18{
19 Q_OBJECT
20 Q_DECLARE_PRIVATE(QModbusServer)
21
22public:
23 enum Option {
24 DiagnosticRegister,
25 ExceptionStatusOffset,
26 DeviceBusy,
27 AsciiInputDelimiter,
28 ListenOnlyMode,
29 ServerIdentifier,
30 RunIndicatorStatus,
31 AdditionalData,
32 DeviceIdentification,
33 // Reserved
34 UserOption = 0x100
35 };
36 Q_ENUM(Option)
37
38 explicit QModbusServer(QObject *parent = nullptr);
39 ~QModbusServer();
40
41 int serverAddress() const;
42 void setServerAddress(int serverAddress);
43
44 virtual bool setMap(const QModbusDataUnitMap &map);
45 virtual bool processesBroadcast() const { return false; }
46
47 virtual QVariant value(int option) const;
48 virtual bool setValue(int option, const QVariant &value);
49
50 bool data(QModbusDataUnit *newData) const;
51 bool setData(const QModbusDataUnit &unit);
52
53 bool setData(QModbusDataUnit::RegisterType table, quint16 address, quint16 data);
54 bool data(QModbusDataUnit::RegisterType table, quint16 address, quint16 *data) const;
55
56Q_SIGNALS:
57 void dataWritten(QModbusDataUnit::RegisterType table, int address, int size);
58
59protected:
60 QModbusServer(QModbusServerPrivate &dd, QObject *parent = nullptr);
61
62 virtual bool writeData(const QModbusDataUnit &unit);
63 virtual bool readData(QModbusDataUnit *newData) const;
64
65 virtual QModbusResponse processRequest(const QModbusPdu &request);
66 virtual QModbusResponse processPrivateRequest(const QModbusPdu &request);
67};
68
69Q_DECLARE_TYPEINFO(QModbusServer::Option, Q_PRIMITIVE_TYPE);
70
71QT_END_NAMESPACE
72
73#endif // QMODBUSERVER_H
74

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