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

1"""Global Trade Item Number characteristic (0x2AFA).""" 

2 

3from __future__ import annotations 

4 

5from ...types.gatt_enums import CharacteristicRole 

6from .base import BaseCharacteristic 

7from .templates import Uint48Template 

8 

9 

10class GlobalTradeItemNumberCharacteristic(BaseCharacteristic[int]): 

11 """Global Trade Item Number characteristic (0x2AFA). 

12 

13 org.bluetooth.characteristic.global_trade_item_number 

14 

15 An identifier for trade items, defined by GS1. 

16 Encoded as a 48-bit unsigned integer (6 bytes). 

17 A value of 0x000000000000 represents 'value is not known'. 

18 

19 Raises: 

20 SpecialValueDetectedError: If raw value is a sentinel (e.g. 0x000000000000). 

21 """ 

22 

23 _manual_role = CharacteristicRole.INFO 

24 _template = Uint48Template()