construct.Const(b'\x03\x21'),
'record_id' / construct.Int16ul,
)
_MEAL_FLAG = {
common.Meal.NONE: 0x00,
common.Meal.BEFORE: 0x01,
common.Meal.AFTER: 0x02,
}
_READING_RESPONSE = construct.Struct(
_COMMAND_SUCCESS,
'timestamp' / lifescan_binary_protocol.VERIO_TIMESTAMP,
'value' / construct.Int16ul,
'control_test' / construct.Flag,
'meal' / construct.Mapping(construct.Byte, _MEAL_FLAG),
construct.Padding(2), # unknown
)
class Device(serial.SerialDevice):
BAUDRATE = 38400
DEFAULT_CABLE_ID = '10c4:85a7' # Specific ID for embedded cp210x
TIMEOUT = 0.5
def __init__(self, device):
super(Device, self).__init__(device)
self.buffered_reader_ = construct.Rebuffered(_PACKET, tailcutoff=1024)
def connect(self):
pass
In = 0xa5
Out = 0xa3
def byte_checksum(data):
return functools.reduce(operator.add, data) & 0xFF
_PACKET = construct.Struct(
'data' / construct.RawCopy(
construct.Struct(
construct.Const(b'\x51'),
'command' / construct.Byte,
'message' / construct.Bytes(4),
'direction' /
construct.Mapping(construct.Byte, {e: e.value
for e in Direction}),
), ),
'checksum' / construct.Checksum(construct.Byte, byte_checksum,
construct.this.data.data),
)
_EMPTY_MESSAGE = 0
_CONNECT_REQUEST = 0x22
_VALID_CONNECT_RESPONSE = {0x22, 0x24, 0x54}
_GET_DATETIME = 0x23
_SET_DATETIME = 0x33
_GET_MODEL = 0x24
command_prefix_construct = construct.Const(command_prefix, construct.Byte)
return construct.Struct(
'data' / construct.RawCopy(
construct.Struct(
construct.Const(b'\x02'), # stx
'length' / construct.Rebuild(
construct.Byte, lambda this: len(this.message) + 7),
'link_control' / link_control_construct,
'command_prefix' / command_prefix_construct,
'message' / construct.Bytes(lambda this: this.length - 7),
construct.Const(b'\x03'), # etx
), ),
'checksum' / construct.Checksum(construct.Int16ul, lifescan.crc_ccitt,
construct.this.data.data),
)
COMMAND_SUCCESS = construct.Const(b'\x06')
VERIO_TIMESTAMP = construct_extras.Timestamp(
construct.Int32ul, epoch=946684800) # 2000-01-01 (not 2010)
_GLUCOSE_UNIT_MAPPING_TABLE = {
common.Unit.MG_DL: 0x00,
common.Unit.MMOL_L: 0x01,
}
GLUCOSE_UNIT = construct.Mapping(construct.Byte, _GLUCOSE_UNIT_MAPPING_TABLE)
def __init__(self, websocket, mode):
self._websocket = websocket
self._mode = mode
self._inbound_packet = construct.Struct(
"type" / construct.Enum(
construct.Int8ul,
setup=0,
killed=1,
kill=2,
remove=3,
sync=4,
club_collision=5,
wall_collision=6,
set_leaderboard=7,
set_target_dim=8
),
"payload" / construct.Switch(
construct.this.type, {
"setup": construct.Struct(
"server_version" / construct.CString(encoding="utf8"),
construct.Check(lambda ctx: ctx.server_version == CLIENT_VERSION),
"syncer_value" / construct.Int32ul,
"game_mode" / construct.Mapping(
construct.Int8ul, {
0: Mode.ffa,
1: Mode.tdm
},
dict() # This packet is only received
),
"setup_value" / construct.Int32ul
),
"killed": construct.Pass,
"kill": construct.Struct("stamp" / construct.Int32ul),
"remove": construct.Struct(
"enqueue_param" / construct.Int32ul, # TODO: Figure out purpose
"player_id" / construct.Int32ul
),
"sync": construct.Struct(
"timestamp" / construct.Int32ul,
"remove_count" / construct.Int32ul,
"removal_array" / construct.Array(
construct.this.remove_count,
construct.Int32ul
),
"sync_count" / construct.Int32ul,
"sync_array" / construct.Array(
construct.this.sync_count,
construct.Struct(
"player_id" / construct.Int32ul,
"player_state" / physical_state,
"mace_state" / physical_state,
"mace_radius" / construct.Float32l
)
)
),
"club_collision": construct.Struct(
"enqueue_param" / construct.Int32ul, # TODO: Figure out purpose
"p" / vector2d, # TODO: Figure out purpose
"i" / construct.Float32l, # TODO: Figure out purpose
"first_id" / construct.Int32ul,
"first_state" / physical_state,
"second_id" / construct.Int32ul,
"second_state" / physical_state
),
"wall_collision": construct.Struct(
"enqueue_param" / construct.Int32ul, # TODO: Figure out purpose
"p" / vector2d, # TODO: Figure out purpose
"i" / construct.Float32l, # TODO: Figure out purpose
"player_id" / construct.Int32ul,
"player_state" / physical_state,
"mace_radius" / construct.Float32l
),
"set_leaderboard": construct.Struct(
"player_count" / construct.Int32ul,
"total" / construct.Int32ul, # TODO: Figure out purpose,
construct.IfThenElse(
lambda ctx: self._mode == Mode.ffa,
construct.Struct( # FFA
"count" / construct.Int8ul,
"first_entry_id" / construct.Int32ul,
"leaderboard" / construct.Array(
construct.this.count,
construct.Struct(
"name" / construct.CString(encoding="utf8"),
"score" / construct.Int32ul,
)
),
"king_name" / construct.CString(encoding="utf8"),
"king_score" / construct.Int32ul,
"place" / construct.Int32ul,
"score" / construct.Int32ul
),
construct.Array(
3,
construct.Struct(
"id" / construct.Int8ul,
"score" / construct.Int32ul,
"count" / construct.Int32ul
)
)
)
),
"set_target_dim": construct.Struct("target_dim" / vector2d)
}
)
)
self._outbound_packet = construct.Struct(
"type" / construct.Enum(
construct.Int8ul,
play=0,
direction=1,
move_up=2,
move_down=3,
move_left=4,
move_right=5,
stop_move_up=6,
stop_move_down=7,
stop_move_left=8,
stop_move_right=9
),
"payload" / construct.Switch(
construct.this.type, {
"play": construct.Pass
# TODO: Implement the rest of the packets
}
)
)
