sregs.c File Reference

Functions
ModbusError	modbusParseRequest0304 (ModbusSlave *status, ModbusParser *parser)
	Processes request 03 (read multiple holding registers) and 04 (read multiple input registers) More...
ModbusError	modbusParseRequest06 (ModbusSlave *status, ModbusParser *parser)
	Processes request 06 (write multiple holding registers) More...
ModbusError	modbusParseRequest16 (ModbusSlave *status, ModbusParser *parser)
	Processes request 15 (write multiple holding registers) More...
ModbusError	modbusParseRequest22 (ModbusSlave *status, ModbusParser *parser)
	Processes request 22 (mask-write holding register) More...

Function Documentation

modbusParseRequest0304()

ModbusError modbusParseRequest0304	(	ModbusSlave *	status,
		ModbusParser *	parser
	)

Processes request 03 (read multiple holding registers) and 04 (read multiple input registers)

Note

Requires F03S or F04S module (see Building liblightmodbus)

Parameters

status	The slave structure to work with
parser	A parser structure containing request data

Returns

A ModbusError error code

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modbusParseRequest06()

ModbusError modbusParseRequest06	(	ModbusSlave *	status,
		ModbusParser *	parser
	)

Processes request 06 (write multiple holding registers)

Note

Requires F06S module (see Building liblightmodbus)

Parameters

status	The slave structure to work with
parser	A parser structure containing request data

Returns

A ModbusError error code

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modbusParseRequest16()

ModbusError modbusParseRequest16	(	ModbusSlave *	status,
		ModbusParser *	parser
	)

Processes request 15 (write multiple holding registers)

Note

Requires F16S module (see Building liblightmodbus)

Parameters

status	The slave structure to work with
parser	A parser structure containing request data

Returns

A ModbusError error code

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modbusParseRequest22()

ModbusError modbusParseRequest22	(	ModbusSlave *	status,
		ModbusParser *	parser
	)

Processes request 22 (mask-write holding register)

Note

Requires F22S module (see Building liblightmodbus)

Parameters

status	The slave structure to work with
parser	A parser structure containing request data

Returns

A ModbusError error code

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