src.bluetooth_sig.gatt.characteristics.position_quality

Position Quality characteristic implementation.

Classes

Name	Description
PositionQualityCharacteristic	Position Quality characteristic.
PositionQualityData	Parsed data from Position Quality characteristic.
PositionQualityFlags	Position Quality flags as per Bluetooth SIG specification.

Module Contents

class src.bluetooth_sig.gatt.characteristics.position_quality.PositionQualityCharacteristic

Bases: src.bluetooth_sig.gatt.characteristics.base.BaseCharacteristic[PositionQualityData]

Position Quality characteristic.

Used to represent data related to the quality of a position measurement.

POSITION_STATUS_MASK = 384

POSITION_STATUS_SHIFT = 7

allow_variable_length: bool = True

max_length = 16

min_length = 2

class src.bluetooth_sig.gatt.characteristics.position_quality.PositionQualityData

Bases: msgspec.Struct

Parsed data from Position Quality characteristic.

ehpe: float | None = None

evpe: float | None = None

flags: PositionQualityFlags

hdop: float | None = None

number_of_beacons_in_solution: int | None = None

number_of_beacons_in_view: int | None = None

position_status: src.bluetooth_sig.types.location.PositionStatus | None = None

time_to_first_fix: float | None = None

vdop: float | None = None

class src.bluetooth_sig.gatt.characteristics.position_quality.PositionQualityFlags

Bases: enum.IntFlag

Position Quality flags as per Bluetooth SIG specification.

EHPE_PRESENT = 8

EVPE_PRESENT = 16

HDOP_PRESENT = 32

NUMBER_OF_BEACONS_IN_SOLUTION_PRESENT = 1

NUMBER_OF_BEACONS_IN_VIEW_PRESENT = 2

TIME_TO_FIRST_FIX_PRESENT = 4

VDOP_PRESENT = 64