Qt Documentation

Qt 5.14
Qt Serial Bus
C++ Classes
QModbusExceptionResponse

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.

List of all members, including inherited members

Public Functions

	QModbusExceptionResponse(QModbusPdu::FunctionCode code, QModbusPdu::ExceptionCode ec)
	QModbusExceptionResponse(const QModbusPdu &pdu)
	QModbusExceptionResponse()
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,
    QModbusExceptionResponse::ServerDeviceFailure);

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.

QModbusExceptionResponse::QModbusExceptionResponse()

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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