QModbusExceptionResponse Class

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

头：	#include <QModbusExceptionResponse>
CMake:	find_package(Qt6 REQUIRED COMPONENTS SerialBus) target_link_libraries(mytarget PRIVATE Qt6::SerialBus)
qmake:	QT += serialbus
继承：	QModbusResponse

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公共函数

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

重实现公共函数

virtual void

setFunctionCode (QModbusPdu::FunctionCode c ) override

详细描述

A typical QModbusExceptionResponse response can looks like this:

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

成员函数文档编制

QModbusExceptionResponse:: QModbusExceptionResponse ()

Constructs an invalid QModbusExceptionResponse.

QModbusExceptionResponse:: QModbusExceptionResponse (const QModbusPdu & pdu )

构造副本为 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 .

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

重实现： QModbusPdu::setFunctionCode (QModbusPdu::FunctionCode code).

Sets the response's function code to c .

内容

• 公共函数

• 重实现公共函数

• 详细描述