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"""Implementation of Basic KNX 2-Byte/octet values."""
from __future__ import annotations
from xknx.exceptions import ConversionError
from .dpt import DPTNumeric
from .payload import DPTArray, DPTBinary
class DPT2ByteUnsigned(DPTNumeric):
"""
Abstraction for KNX 2 Byte "2-octet unsigned value".
Contains smaller counters, timers etc.
DPT 7.***
"""
dpt_main_number = 7
dpt_sub_number: int | None = None
value_type = "2byte_unsigned"
payload_length = 2
value_min = 0
value_max = 65535
resolution = 1
@classmethod
def from_knx(cls, payload: DPTArray | DPTBinary) -> int:
"""Parse/deserialize from KNX/IP raw data."""
raw = cls.validate_payload(payload)
return ((raw[0] * 256) + raw[1]) * cls.resolution
@classmethod
def to_knx(cls, value: int | float) -> DPTArray:
"""Serialize to KNX/IP raw data."""
try:
knx_value = int(value) // cls.resolution
if not cls._test_boundaries(knx_value):
raise ValueError("Value out of range")
return DPTArray((knx_value >> 8, knx_value & 0xFF))
except ValueError as err:
raise ConversionError(
f"Could not serialize {cls.dpt_name()}", value=value
) from err
@classmethod
def _test_boundaries(cls, value: int) -> bool:
"""Test if value is within defined range for this object."""
return cls.value_min <= value <= cls.value_max
class DPT2Ucount(DPT2ByteUnsigned):
"""DPT 7.001 DPT_Value_2_Ucount."""
dpt_main_number = 7
dpt_sub_number = 1
value_type = "pulse_2byte"
unit = "pulses"
class DPTTimePeriodMsec(DPT2ByteUnsigned):
"""DPT 7.002 DPT_TimePeriodMsec (ms)."""
dpt_main_number = 7
dpt_sub_number = 2
value_type = "time_period_msec"
unit = "ms"
class DPTTimePeriod10Msec(DPT2ByteUnsigned):
"""DPT 7.003 DPT_TimePeriod10Msec (ms)."""
dpt_main_number = 7
dpt_sub_number = 3
value_type = "time_period_10msec"
resolution = 10
unit = "ms"
class DPTTimePeriod100Msec(DPT2ByteUnsigned):
"""DPT 7.004 DPT_TimePeriod100Msec (ms)."""
dpt_main_number = 7
dpt_sub_number = 4
value_type = "time_period_100msec"
resolution = 100
unit = "ms"
class DPTTimePeriodSec(DPT2ByteUnsigned):
"""DPT 7.005 DPT_TimePeriodSec (s)."""
dpt_main_number = 7
dpt_sub_number = 5
value_type = "time_period_sec"
unit = "s"
class DPTTimePeriodMin(DPT2ByteUnsigned):
"""DPT 7.006 DPT_TimePeriodMin (min)."""
dpt_main_number = 7
dpt_sub_number = 6
value_type = "time_period_min"
unit = "min"
class DPTTimePeriodHrs(DPT2ByteUnsigned):
"""DPT 7.007 DPT_TimePeriodHrs (h)."""
dpt_main_number = 7
dpt_sub_number = 7
value_type = "time_period_hrs"
unit = "h"
class DPTPropDataType(DPT2ByteUnsigned):
"""DPT 7.010 DPT_PropDataType."""
dpt_main_number = 7
dpt_sub_number = 10
value_type = "prop_data_type"
class DPTLengthMm(DPT2ByteUnsigned):
"""DPT 7.011 Abstraction for KNX 2 Byte DPT_Length_mm (mm)."""
dpt_main_number = 7
dpt_sub_number = 11
value_type = "length_mm"
unit = "mm"
ha_device_class = "distance"
class DPTUElCurrentmA(DPT2ByteUnsigned):
"""DPT 7.012 Abstraction for KNX 2 Byte DPTUElCurrentmA."""
dpt_main_number = 7
dpt_sub_number = 12
value_type = "current"
unit = "mA"
ha_device_class = "current"
class DPTBrightness(DPT2ByteUnsigned):
"""DPT 7.013 DPT_Brightness (lux)."""
dpt_main_number = 7
dpt_sub_number = 13
value_type = "brightness"
unit = "lx"
ha_device_class = "illuminance"
class DPTColorTemperature(DPT2ByteUnsigned):
"""DPT 7.600 DPT_Color_Temperature (K)."""
dpt_main_number = 7
dpt_sub_number = 600
value_type = "color_temperature"
unit = "K"
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