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

1"""Volume Flow characteristic (0x2B22).""" 

2 

3from __future__ import annotations 

4 

5from .base import BaseCharacteristic 

6from .templates import ScaledUint16Template 

7 

8 

9class VolumeFlowCharacteristic(BaseCharacteristic[float]): 

10 """Volume Flow characteristic (0x2B22). 

11 

12 org.bluetooth.characteristic.volume_flow 

13 

14 Volume flow in litres per second with a resolution of 0.001 (1 mL). 

15 M=1, d=-3, b=0 → scale factor 0.001. 

16 A value of 0xFFFF represents 'value is not known'. 

17 

18 Raises: 

19 SpecialValueDetectedError: If raw value is a sentinel (e.g. 0xFFFF). 

20 """ 

21 

22 _template = ScaledUint16Template.from_letter_method(M=1, d=-3, b=0)