Coverage for src / bluetooth_sig / gatt / constants.py: 100%

1"""Shared constants for GATT characteristics and services. 

2 

3This module provides commonly used constants throughout the Bluetooth 

4SIG implementation to avoid duplication and ensure consistency. 

5""" 

6 

7from __future__ import annotations 

8 

9# Data type maximum and minimum values 

10UINT8_MAX = (1 << 8) - 1 # 255 

11UINT16_MAX = (1 << 16) - 1 # 65535 

12UINT24_MAX = (1 << 24) - 1 # 16777215 

13UINT32_MAX = (1 << 32) - 1 # 4294967295 

14 

15SINT8_MIN = -(1 << 7) # -128 

16SINT8_MAX = (1 << 7) - 1 # 127 

17SINT16_MIN = -(1 << 15) # -32768 

18SINT16_MAX = (1 << 15) - 1 # 32767 

19SINT24_MIN = -(1 << 23) # -8388608 

20SINT24_MAX = (1 << 23) - 1 # 8388607 

21SINT32_MIN = -(1 << 31) # -2147483648 

22SINT32_MAX = (1 << 31) - 1 # 2147483647 

23 

24# Common measurement ranges 

25PERCENTAGE_MIN = 0 

26PERCENTAGE_MAX = 100 # Maximum percentage value 

27EXTENDED_PERCENTAGE_MAX = 200 

28ABSOLUTE_ZERO_CELSIUS = -273.15 # Absolute zero temperature in Celsius 

29 

30# Common resolution values 

31TEMPERATURE_RESOLUTION = 0.01 # Standard temperature resolution (°C) 

32PRESSURE_RESOLUTION = 0.1 # Standard pressure resolution (Pa) 

33HUMIDITY_RESOLUTION = 0.01 # Standard humidity resolution (%) 

34WIND_SPEED_RESOLUTION = 0.01 # Standard wind speed resolution (m/s) 

35WIND_DIRECTION_RESOLUTION = 0.01 # Standard wind direction resolution (°) 

36SOUND_PRESSURE_RESOLUTION = 0.1 # Standard sound pressure resolution (dB) 

37 

38# Common unit strings 

39UNIT_CELSIUS = "°C" 

40UNIT_FAHRENHEIT = "°F" 

41UNIT_KELVIN = "K" 

42UNIT_PERCENT = "%" 

43UNIT_PPM = "ppm" 

44UNIT_PASCAL = "Pa" 

45UNIT_HECTOPASCAL = "hPa" 

46UNIT_METER_PER_SECOND = "m/s" 

47UNIT_DEGREE = "°" 

48UNIT_DECIBEL = "dB" 

49UNIT_VOLT = "V" 

50UNIT_AMPERE = "A" 

51UNIT_WATT = "W" 

52UNIT_JOULE = "J" 

53UNIT_KILOJOULE = "kJ" 

54UNIT_TESLA = "T" 

55UNIT_MICROTESLA = "µT" 

56UNIT_LUX = "lx" 

57UNIT_METER = "m" 

58UNIT_BEATS_PER_MINUTE = "bpm" 

59UNIT_DBM = "dBm" 

60 

61# Common data validation ranges 

62MAX_CONCENTRATION_PPM = 65535.0 # Maximum concentration in ppm 

63MAX_TEMPERATURE_CELSIUS = 1000.0 # Maximum reasonable temperature 

64MAX_PRESSURE_PA = 200000.0 # Maximum atmospheric pressure (2000 hPa) 

65MAX_POWER_WATTS = 65535.0 # Maximum power in watts