Modbus Class Reference

Modbus base class. More...

#include <Modbus.h>

Inheritance diagram for Modbus:

Public Member Functions
void	addCoil (word offset, bool value=false)
	Add a coil. More...
void	addHreg (word offset, word value=0)
	Add a holding register to the list. More...
void	addIreg (word offset, word value=0)
	Add a input register. More...
void	addIsts (word offset, bool value=false)
	Add a discrete input. More...
bool	Coil (word offset, bool value)
	Change the value of a coil This value will be returned when bus read, the master can also modify it. More...
bool	Coil (word offset)
	Return the value of a coil. More...
bool	Hreg (word offset, word value)
	Change the value of a holding register This value will be returned when bus read, the master can also modify it. More...
word	Hreg (word offset)
	Return the value of a holding register. More...
bool	Ireg (word offset, word value)
	Change the value of an input register This value will be returned when bus read. More...
word	Ireg (word offset)
	Return the value of an input register. More...
bool	Ists (word offset, bool value)
	Change the value of a discrete input This value will be returned when bus read,. More...
bool	Ists (word offset)
	Return the value of a discrete input. More...
	Modbus ()
	Default constructor. More...

Detailed Description

Modbus base class.

Definition at line 53 of file Modbus.h.

Constructor & Destructor Documentation

Modbus::Modbus

(

)

Default constructor.

Member Function Documentation

void Modbus::addCoil	(	word	offset,
		bool	value = false
	)

Add a coil.

Parameters

offset	coil offset (PDU addressing: 0-9999)
value	default value

void Modbus::addHreg	(	word	offset,
		word	value = 0
	)

Add a holding register to the list.

Parameters

offset	register offset (PDU addressing: 0-9999)
value	default value

void Modbus::addIreg	(	word	offset,
		word	value = 0
	)

Add a input register.

Parameters

offset	register offset (PDU addressing: 0-9999)
value	default value

void Modbus::addIsts	(	word	offset,
		bool	value = false
	)

Add a discrete input.

Parameters

offset	input offset (PDU addressing: 0-9999)
value	default value

bool Modbus::Coil	(	word	offset,
		bool	value
	)

Change the value of a coil This value will be returned when bus read, the master can also modify it.

Parameters

offset	register offset (PDU addressing: 0-9999)
value	new value

Returns

true, false if coil not found.

bool Modbus::Coil

(

word

offset

)

Return the value of a coil.

Parameters

offset

register offset (PDU addressing: 0-9999)

Returns

coil value

bool Modbus::Hreg	(	word	offset,
		word	value
	)

Change the value of a holding register This value will be returned when bus read, the master can also modify it.

Parameters

offset	register offset (PDU addressing: 0-9999)
value	new value

Returns

true, false if register not found.

word Modbus::Hreg

(

word

offset

)

Return the value of a holding register.

Parameters

offset

register offset (PDU addressing: 0-9999)

Returns

register value

bool Modbus::Ireg	(	word	offset,
		word	value
	)

Change the value of an input register This value will be returned when bus read.

Parameters

offset	register offset (PDU addressing: 0-9999)
value	new value

Returns

true, false if register not found.

word Modbus::Ireg

(

word

offset

)

Return the value of an input register.

Parameters

offset

register offset (PDU addressing: 0-9999)

Returns

register value

bool Modbus::Ists	(	word	offset,
		bool	value
	)

Change the value of a discrete input This value will be returned when bus read,.

Parameters

offset	input offset (PDU addressing: 0-9999)
value	new value

Returns

true, false if input not found.

bool Modbus::Ists

(

word

offset

)

Return the value of a discrete input.

Parameters

offset

input offset (PDU addressing: 0-9999)

Returns

input value