QModbusExceptionResponse Class

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

頭：	#include <QModbusExceptionResponse>
qmake:	QT += serialbus
Since:	Qt 5.8
繼承：	QModbusResponse

該類在 Qt 5.8 引入。

公共函數

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

virtual void

setFunctionCode (QModbusPdu::FunctionCode c ) override

A typical QModbusExceptionResponse response can looks like this:

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

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

構造副本為 pdu .

Constructs an invalid QModbusExceptionResponse.

Sets the response's exception code to ec .

重實現： QModbusPdu::setFunctionCode (QModbusPdu::FunctionCode code).

Sets the response's function code to c .