def read_input_registers(slave_id, starting_address, quantity):
""" Return ADU for Modbus function code 04: Read Input Registers.
:param slave_id: Number of slave.
:return: Byte array with ADU.
"""
function = ReadInputRegisters()
function.starting_address = starting_address
function.quantity = quantity
return _create_request_adu(slave_id, function.request_pdu)
def read_input_registers(slave_id, starting_address, quantity):
""" Return ADU for Modbus function code 04: Read Input Registers.
:param slave_id: Number of slave.
:return: Byte array with ADU.
"""
function = ReadInputRegisters()
function.starting_address = starting_address
function.quantity = quantity
return _create_request_adu(slave_id, function.request_pdu)
def read_input_registers():
instance = ReadInputRegisters()
instance.starting_address = 50
instance.quantity = 2
return instance
def test_read_input_registers_response_pdu(read_input_registers):
response_pdu = read_input_registers.create_response_pdu([994, 1100])
instance = ReadInputRegisters.create_from_response_pdu(
response_pdu, read_input_registers.request_pdu) # NOQA
assert instance.data == [994, 1100]
def test_read_input_registers_request_pdu(read_input_registers):
instance = ReadInputRegisters.create_from_request_pdu(
read_input_registers.request_pdu) # NOQA
assert instance.starting_address == 50
assert instance.quantity == 2
def read_input_registers():
instance = ReadInputRegisters()
instance.starting_address = 50
instance.quantity = 2
return instance
def test_read_input_registers_response_pdu(read_input_registers):
response_pdu = read_input_registers.create_response_pdu([994, 1100])
instance = ReadInputRegisters.create_from_response_pdu(response_pdu, read_input_registers.request_pdu) # NOQA
assert instance.data == [994, 1100]
def test_read_input_registers_request_pdu(read_input_registers):
instance = ReadInputRegisters.create_from_request_pdu(read_input_registers.request_pdu) # NOQA
assert instance.starting_address == 50
assert instance.quantity == 2
