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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 
44 QT_BEGIN_NAMESPACE
45 
46 class QModbusDataUnit
47 {
48 public:
49     enum RegisterType {
50         Invalid,
51         DiscreteInputs,
52         Coils,
53         InputRegisters,
54         HoldingRegisters
55     };
56 
57     QModbusDataUnit() = default;
58 
QModbusDataUnit(RegisterType type)59     explicit QModbusDataUnit(RegisterType type)
60         : QModbusDataUnit(type, 0, 0)
61     {}
62 
QModbusDataUnit(RegisterType type,int newStartAddress,quint16 newValueCount)63     QModbusDataUnit(RegisterType type, int newStartAddress, quint16 newValueCount)
64         : QModbusDataUnit(type, newStartAddress, QVector<quint16>(newValueCount))
65     {}
66 
QModbusDataUnit(RegisterType type,int newStartAddress,const QVector<quint16> & newValues)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 
registerType()74     RegisterType registerType() const { return m_type; }
setRegisterType(RegisterType type)75     void setRegisterType(RegisterType type) { m_type = type; }
76 
startAddress()77     inline int startAddress() const { return m_startAddress; }
setStartAddress(int newAddress)78     inline void setStartAddress(int newAddress) { m_startAddress = newAddress; }
79 
values()80     inline QVector<quint16> values() const { return m_values; }
setValues(const QVector<quint16> & newValues)81     inline void setValues(const QVector<quint16> &newValues)
82     {
83         m_values = newValues;
84         m_valueCount = newValues.size();
85     }
86 
valueCount()87     inline uint valueCount() const { return m_valueCount; }
setValueCount(uint newCount)88     inline void setValueCount(uint newCount) { m_valueCount = newCount; }
89 
setValue(int index,quint16 newValue)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     }
value(int index)96     inline quint16 value(int index) const { return m_values.value(index); }
97 
isValid()98     bool isValid() const { return m_type != Invalid && m_startAddress != -1; }
99 
100 private:
101     RegisterType m_type = Invalid;
102     int m_startAddress = -1;
103     QVector<quint16> m_values;
104     uint m_valueCount = 0;
105 };
106 typedef QMap<QModbusDataUnit::RegisterType, QModbusDataUnit> QModbusDataUnitMap;
107 
108 Q_DECLARE_TYPEINFO(QModbusDataUnit, Q_MOVABLE_TYPE);
109 Q_DECLARE_TYPEINFO(QModbusDataUnit::RegisterType, Q_PRIMITIVE_TYPE);
110 
111 QT_END_NAMESPACE
112 
113 Q_DECLARE_METATYPE(QModbusDataUnit::RegisterType)
114 
115 #endif // QMODBUSDATAUNIT_H
116