def write_multiple_registers(slave_id, starting_address, values):
""" Return ADU for Modbus function code 16: Write Multiple Registers.
:param slave_id: Number of slave.
:return: Byte array with ADU.
"""
function = WriteMultipleRegisters()
function.starting_address = starting_address
function.values = values
return _create_request_adu(slave_id, function.request_pdu)
def write_multiple_registers(slave_id, starting_address, values):
""" Return ADU for Modbus function code 16: Write Multiple Registers.
:param slave_id: Number of slave.
:return: Byte array with ADU.
"""
function = WriteMultipleRegisters()
function.starting_address = starting_address
function.values = values
return _create_request_adu(slave_id, function.request_pdu)
def write_multiple_registers():
function_code = 16
starting_address = 100
quantity = 3
byte_count = 6
values = [1337, 15, 128]
pdu = struct.pack('>BHHBHHH', function_code, starting_address, quantity,
byte_count, *values)
return WriteMultipleRegisters.create_from_request_pdu(pdu)
def write_multiple_registers():
instance = WriteMultipleRegisters()
instance.starting_address = 50
instance.values = [1337, 15, 128]
return instance
def test_write_multiple_registers_response_pdu(write_multiple_registers):
response_pdu = write_multiple_registers.create_response_pdu()
instance = WriteMultipleRegisters.create_from_response_pdu(response_pdu)
assert instance.starting_address == 50
assert instance.data == 3
def test_write_multiple_registers_request_pdu(write_multiple_registers):
instance = WriteMultipleRegisters.create_from_request_pdu(
write_multiple_registers.request_pdu) # NOQA
assert instance.starting_address == 50
assert instance.values == [1337, 15, 128]
def write_multiple_registers():
instance = WriteMultipleRegisters()
instance.starting_address = 50
instance.values = [1337, 15, 128]
return instance
def test_write_multiple_registers_response_pdu(write_multiple_registers):
response_pdu = write_multiple_registers.create_response_pdu()
instance = WriteMultipleRegisters.create_from_response_pdu(response_pdu)
assert instance.starting_address == 50
assert instance.data == 3
def test_write_multiple_registers_request_pdu(write_multiple_registers):
instance = WriteMultipleRegisters.create_from_request_pdu(write_multiple_registers.request_pdu) # NOQA
assert instance.starting_address == 50
assert instance.values == [1337, 15, 128]