def _send_command(self, cid, command, fields):
"""
Send a command over the serial port
:param cid: The command ID
:type cid: int
:param command: The Core CommandSpec
:type command: master_core.core_command.CoreCommandSpec
:param fields: A dictionary with the command input field values
:type fields dict
:raises: serial_utils.CommunicationTimedOutException
"""
payload = command.create_request_payload(fields)
checked_payload = (str(chr(cid)) + command.instruction +
WordField.encode(len(payload)) + payload)
data = (CoreCommunicator.START_OF_REQUEST + str(chr(cid)) +
command.instruction + WordField.encode(len(payload)) +
payload + 'C' +
str(chr(CoreCommunicator._calculate_crc(checked_payload))) +
CoreCommunicator.END_OF_REQUEST)
self._write_to_serial(data)
def read_ucan_config():
""" Reads the full uCAN config """
return UCANCommandSpec(sid=SID.NORMAL_COMMAND,
instruction=Instruction(instruction=[0, 199]),
identifier=AddressField('ucan_address', 3),
response_instructions=[
Instruction(instruction=[i, 199],
checksum_byte=7)
for i in xrange(1, 14)
],
response_fields=[
ByteField('input_link_0'),
ByteField('input_link_1'),
ByteField('input_link_2'),
ByteField('input_link_3'),
ByteField('input_link_4'),
ByteField('input_link_5'),
ByteField('sensor_link_0'),
ByteField('sensor_link_1'),
ByteField('sensor_type'),
VersionField('firmware_version'),
ByteField('bootloader'),
ByteField('new_indicator'),
ByteField('min_led_brightness'),
ByteField('max_led_brightness'),
WordField('adc_input_2'),
WordField('adc_input_3'),
WordField('adc_input_4'),
WordField('adc_input_5'),
WordField('adc_dc_input')
])
def error_information():
""" Error information """
return CoreCommandSpec(instruction='ER',
response_fields=[
ByteField('type'),
ByteField('parameter_a'),
WordField('parameter_b'),
WordField('parameter_c')
])
def basic_action():
""" Basic action spec """
return CoreCommandSpec(instruction='BA',
request_fields=[
ByteField('type'),
ByteField('action'),
WordField('device_nr'),
WordField('extra_parameter')
],
response_fields=[
ByteField('type'),
ByteField('action'),
WordField('device_nr'),
WordField('extra_parameter')
])
def general_configuration_max_specs():
""" Receives general configuration regarding maximum specifications (e.g. max number of input modules, max number of basic actions, ...) """
return CoreCommandSpec(instruction='GC',
request_fields=[LiteralBytesField(1)],
response_fields=[
ByteField('type'),
ByteField('output'),
ByteField('input'),
ByteField('sensor'),
ByteField('ucan'),
WordField('groups'),
WordField('basic_actions'),
ByteField('shutters'),
ByteField('shutter_groups')
])
def memory_write(length):
""" Writes memory """
return CoreCommandSpec(instruction='MW',
request_fields=[
CharField('type'),
WordField('page'),
ByteField('start'),
ByteArrayField('data', length)
],
response_fields=[
CharField('type'),
WordField('page'),
ByteField('start'),
ByteField('length'),
CharField('result')
])
def memory_read():
""" Reads memory """
return CoreCommandSpec(instruction='MR',
request_fields=[
CharField('type'),
WordField('page'),
ByteField('start'),
ByteField('length')
],
response_fields=[
CharField('type'),
WordField('page'),
ByteField('start'),
ByteArrayField('data',
lambda length: length - 4)
])
def output_detail():
""" Received output detail information """
return CoreCommandSpec(instruction='OD',
request_fields=[WordField('device_nr')],
response_fields=[
WordField('device_nr'),
ByteField('status'),
ByteField('dimmer'),
ByteField('dimmer_min'),
ByteField('dimmer_max'),
ByteField('timer_type'),
ByteField('timer_type_standard'),
WordField('timer'),
WordField('timer_standard'),
WordField('group_action'),
ByteField('dali_output')
])
def event_information():
""" Event information """
return CoreCommandSpec(instruction='EV',
response_fields=[
ByteField('type'),
ByteField('action'),
WordField('device_nr'),
ByteArrayField('data', 4)
])
def module_information():
""" Receives module information """
return CoreCommandSpec(instruction='MC',
request_fields=[
ByteField('module_nr'),
ByteField('module_family')
],
response_fields=[
ByteField('module_nr'),
ByteField('module_family'),
ByteField('module_type'),
AddressField('address'),
WordField('bus_errors'),
ByteField('module_status')
])
def _word_decode(data):
return WordField.decode(str(chr(data[0])) + str(chr(data[1])))