Qt Documentation

Qt 5.12
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

List of all members, including inherited members

Public Functions

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

Reimplemented Public Functions

virtual void setFunctionCode(QModbusPdu::FunctionCode c)

11 public functions inherited from QModbusPdu

Additional Inherited Members

3 static public members inherited from QModbusResponse
1 protected function inherited from QModbusPdu

Detailed Description

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

A typical QModbusExceptionResponse response can looks like this:

QModbusExceptionResponse exception(QModbusExceptionResponse::ReportServerId,
    QModbusExceptionResponse::ServerDeviceFailure);

Member Function Documentation

QModbusExceptionResponse::QModbusExceptionResponse()

Constructs an invalid QModbusExceptionResponse.

QModbusExceptionResponse::QModbusExceptionResponse(const QModbusPdu &pdu)

Constructs a copy of pdu.

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

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

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

Sets the response's exception code to ec.

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

Reimplemented from QModbusPdu::setFunctionCode().

Sets the response's function code to c.

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