QModbusExceptionResponse Class

QModbusExceptionResponse is a container class containing the function and error code inside a Modbus ADU. More...

Header: #include <QModbusExceptionResponse>
qmake: QT += serialbus
Since: Qt 5.8
Inherits: QModbusResponse

This class was introduced in Qt 5.8.

Public Functions

QModbusExceptionResponse(QModbusPdu::FunctionCode code, QModbusPdu::ExceptionCode ec)
QModbusExceptionResponse(const QModbusPdu &pdu)
void setExceptionCode(QModbusPdu::ExceptionCode ec)

Reimplemented Public Functions

virtual void setFunctionCode(QModbusPdu::FunctionCode c) override

Detailed Description

A typical QModbusExceptionResponse response can looks like this:

QModbusExceptionResponse exception(QModbusExceptionResponse::ReportServerId,

Member Function Documentation

QModbusExceptionResponse::QModbusExceptionResponse(QModbusPdu::FunctionCode code, QModbusPdu::ExceptionCode ec)

Constructs a QModbusExceptionResponse with function code set to code and exception error code set to ec.

QModbusExceptionResponse::QModbusExceptionResponse(const QModbusPdu &pdu)

Constructs a copy of pdu.


Constructs an invalid QModbusExceptionResponse.

void QModbusExceptionResponse::setExceptionCode(QModbusPdu::ExceptionCode ec)

Sets the response's exception code to ec.

[override virtual] void QModbusExceptionResponse::setFunctionCode(QModbusPdu::FunctionCode c)

Reimplements: QModbusPdu::setFunctionCode(QModbusPdu::FunctionCode code).

Sets the response's function code to c.

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