def write_multiple_coils(slave_id, starting_address, values):
""" Return ADU for Modbus function code 15: Write Multiple Coils.
:param slave_id: Number of slave.
:return: Byte array with ADU.
"""
function = WriteMultipleCoils()
function.starting_address = starting_address
function.values = values
return _create_request_adu(slave_id, function.request_pdu)
def write_multiple_coils(slave_id, starting_address, values):
""" Return ADU for Modbus function code 15: Write Multiple Coils.
:param slave_id: Number of slave.
:return: Byte array with ADU.
"""
function = WriteMultipleCoils()
function.starting_address = starting_address
function.values = values
return _create_request_adu(slave_id, function.request_pdu)
def write_multiple_coils():
function_code = 15
starting_address = 100
quantity = 10
byte_count = 2
values = (2, 1)
pdu = struct.pack('>BHHBBB', function_code, starting_address, quantity,
byte_count, *values)
return WriteMultipleCoils.create_from_request_pdu(pdu)
def write_multiple_coils():
instance = WriteMultipleCoils()
instance.starting_address = 100
instance.values = [1, 0]
return instance
def test_write_multiple_coils_response_pdu(write_multiple_coils):
response_pdu = write_multiple_coils.create_response_pdu()
instance = WriteMultipleCoils.create_from_response_pdu(response_pdu)
assert instance.starting_address == 100
assert instance.data == 2
def test_write_multiple_coils_request_pdu(write_multiple_coils):
instance = WriteMultipleCoils.create_from_request_pdu(
write_multiple_coils.request_pdu) # NOQA
assert instance.starting_address == 100
assert instance.values == [1, 0]
def write_multiple_coils():
instance = WriteMultipleCoils()
instance.starting_address = 100
instance.values = [1, 0]
return instance
def test_write_multiple_coils_response_pdu(write_multiple_coils):
response_pdu = write_multiple_coils.create_response_pdu()
instance = WriteMultipleCoils.create_from_response_pdu(response_pdu)
assert instance.starting_address == 100
assert instance.data == 2
def test_write_multiple_coils_request_pdu(write_multiple_coils):
instance = WriteMultipleCoils.create_from_request_pdu(write_multiple_coils.request_pdu) # NOQA
assert instance.starting_address == 100
assert instance.values == [1, 0]