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35****************************************************************************/
36
37#ifndef QMODBUSDATAUNIT_H
38#define QMODBUSDATAUNIT_H
39
40#include <QtCore/qmap.h>
41#include <QtCore/qmetatype.h>
42#include <QtCore/qvector.h>
43
44QT_BEGIN_NAMESPACE
45
46class QModbusDataUnit
47{
48public:
49 enum RegisterType {
50 Invalid,
51 DiscreteInputs,
52 Coils,
53 InputRegisters,
54 HoldingRegisters
55 };
56
57 QModbusDataUnit() = default;
58
59 explicit QModbusDataUnit(RegisterType type)
60 : QModbusDataUnit(type, 0, 0)
61 {}
62
63 QModbusDataUnit(RegisterType type, int newStartAddress, quint16 newValueCount)
64 : QModbusDataUnit(type, newStartAddress, QVector<quint16>(newValueCount))
65 {}
66
67 QModbusDataUnit(RegisterType type, int newStartAddress, const QVector<quint16> &newValues)
68 : m_type(type)
69 , m_startAddress(newStartAddress)
70 , m_values(newValues)
71 , m_valueCount(newValues.size())
72 {}
73
74 RegisterType registerType() const { return m_type; }
75 void setRegisterType(RegisterType type) { m_type = type; }
76
77 inline int startAddress() const { return m_startAddress; }
78 inline void setStartAddress(int newAddress) { m_startAddress = newAddress; }
79
80 inline QVector<quint16> values() const { return m_values; }
81 inline void setValues(const QVector<quint16> &newValues)
82 {
83 m_values = newValues;
84 m_valueCount = newValues.size();
85 }
86
87 inline uint valueCount() const { return m_valueCount; }
88 inline void setValueCount(uint newCount) { m_valueCount = newCount; }
89
90 inline void setValue(int index, quint16 newValue)
91 {
92 if (m_values.isEmpty() || index >= m_values.size())
93 return;
94 m_values[index] = newValue;
95 }
96 inline quint16 value(int index) const { return m_values.value(i: index); }
97
98 bool isValid() const { return m_type != Invalid && m_startAddress != -1; }
99
100private:
101 RegisterType m_type = Invalid;
102 int m_startAddress = -1;
103 QVector<quint16> m_values;
104 uint m_valueCount = 0;
105};
106typedef QMap<QModbusDataUnit::RegisterType, QModbusDataUnit> QModbusDataUnitMap;
107
108Q_DECLARE_TYPEINFO(QModbusDataUnit, Q_MOVABLE_TYPE);
109Q_DECLARE_TYPEINFO(QModbusDataUnit::RegisterType, Q_PRIMITIVE_TYPE);
110
111QT_END_NAMESPACE
112
113Q_DECLARE_METATYPE(QModbusDataUnit::RegisterType)
114
115#endif // QMODBUSDATAUNIT_H
116

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