mpregs.c File Reference

Functions
ModbusError	modbusParseResponse0304 (ModbusMaster *status, ModbusParser *parser, ModbusParser *requestParser)
	Processes responses for requests 03 (read multiple holding registers) and 04 (read multiple input registers) More...
ModbusError	modbusParseResponse06 (ModbusMaster *status, ModbusParser *parser, ModbusParser *requestParser)
	Processes responses for request 06 (write a single holding register) More...
ModbusError	modbusParseResponse16 (ModbusMaster *status, ModbusParser *parser, ModbusParser *requestParser)
	Processes responses for request 15 (write multiple holding registers) More...
ModbusError	modbusParseResponse22 (ModbusMaster *status, ModbusParser *parser, ModbusParser *requestParser)
	Processes responses for request 22 (mask-write holding register) More...

Function Documentation

modbusParseResponse0304()

ModbusError modbusParseResponse0304	(	ModbusMaster *	status,
		ModbusParser *	parser,
		ModbusParser *	requestParser
	)

Processes responses for requests 03 (read multiple holding registers) and 04 (read multiple input registers)

Note

Requires F03M or F04M module (see Building liblightmodbus)

modbusParseResponse03 and modbusParseResponse04 macros are aliases of this function

Parameters

status	The master structure to work with
parser	A parser structure containing response data
requestParser	A parser structure containing request data

Returns

A ModbusError error code

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modbusParseResponse06()

ModbusError modbusParseResponse06	(	ModbusMaster *	status,
		ModbusParser *	parser,
		ModbusParser *	requestParser
	)

Processes responses for request 06 (write a single holding register)

Note

Requires F06M module (see Building liblightmodbus)

Parameters

status	The master structure to work with
parser	A parser structure containing response data
requestParser	A parser structure containing request data

Returns

A ModbusError error code

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modbusParseResponse16()

ModbusError modbusParseResponse16	(	ModbusMaster *	status,
		ModbusParser *	parser,
		ModbusParser *	requestParser
	)

Processes responses for request 15 (write multiple holding registers)

Note

Requires F16M module (see Building liblightmodbus)

Parameters

status	The master structure to work with
parser	A parser structure containing response data
requestParser	A parser structure containing request data

Returns

A ModbusError error code

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modbusParseResponse22()

ModbusError modbusParseResponse22	(	ModbusMaster *	status,
		ModbusParser *	parser,
		ModbusParser *	requestParser
	)

Processes responses for request 22 (mask-write holding register)

Note

Requires F22M module (see Building liblightmodbus)

Parameters

status	The master structure to work with
parser	A parser structure containing response data
requestParser	A parser structure containing request data

Returns

A ModbusError error code

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