Coverage for src/bluetooth_sig/gatt/characteristics/methane_concentration.py: 100%

1"""Methane Concentration characteristic implementation.""" 

2 

3from __future__ import annotations 

4 

5from ...types.gatt_enums import ValueType 

6from .base import BaseCharacteristic 

7from .templates import ConcentrationTemplate 

8 

9 

10class MethaneConcentrationCharacteristic(BaseCharacteristic): 

11 """Methane concentration measurement characteristic (0x2BD1). 

12 

13 Represents methane concentration in parts per million (ppm) with a 

14 resolution of 1 ppm. 

15 """ 

16 

17 _template = ConcentrationTemplate() 

18 

19 _manual_value_type: ValueType | str | None = "int" 

20 _manual_unit: str = "ppm" # Override template's "ppm" default 

21 

22 # Template configuration 

23 resolution: float = 1.0 

24 max_value: float = 65533.0 # Exclude special values 0xFFFE and 0xFFFF