def write_single_coil(slave_id, address, value):
""" Return ADU for Modbus function code 05: Write Single Coil.
:param slave_id: Number of slave.
:return: Byte array with ADU.
"""
function = WriteSingleCoil()
function.address = address
function.value = value
return _create_request_adu(slave_id, function.request_pdu)
def write_single_coil(slave_id, address, value):
""" Return ADU for Modbus function code 05: Write Single Coil.
:param slave_id: Number of slave.
:return: Byte array with ADU.
"""
function = WriteSingleCoil()
function.address = address
function.value = value
return _create_request_adu(slave_id, function.request_pdu)
def write_single_coil():
function_code = 5
address = 100
value = 0xFF00
pdu = struct.pack('>BHH', function_code, address, value)
return WriteSingleCoil.create_from_request_pdu(pdu)
def write_single_coil():
instance = WriteSingleCoil()
instance.address = 100
instance.value = 1
return instance
def test_write_single_coil_response_pdu(write_single_coil):
response_pdu = write_single_coil.create_response_pdu()
instance = WriteSingleCoil.create_from_response_pdu(response_pdu)
assert instance.address == 100
assert instance.data == 1
def test_write_single_coil_request_pdu(write_single_coil):
instance = WriteSingleCoil.create_from_request_pdu(
write_single_coil.request_pdu) # NOQA
assert instance.address == 100
assert instance.value == 1
def write_single_coil():
instance = WriteSingleCoil()
instance.address = 100
instance.value = 1
return instance
def test_write_single_coil_response_pdu(write_single_coil):
response_pdu = write_single_coil.create_response_pdu()
instance = WriteSingleCoil.create_from_response_pdu(response_pdu)
assert instance.address == 100
assert instance.data == 1
def test_write_single_coil_request_pdu(write_single_coil):
instance = WriteSingleCoil.create_from_request_pdu(write_single_coil.request_pdu) # NOQA
assert instance.address == 100
assert instance.value == 1