src.bluetooth_sig.gatt.characteristics.cycling_power_measurement

Cycling Power Measurement characteristic implementation.

Classes

Name	Description
CyclingPowerMeasurementCharacteristic	Cycling Power Measurement characteristic (0x2A63).
CyclingPowerMeasurementData	Parsed data from Cycling Power Measurement characteristic.
CyclingPowerMeasurementFlags	Cycling Power Measurement Flags as per Bluetooth SIG specification.

Module Contents

class src.bluetooth_sig.gatt.characteristics.cycling_power_measurement.CyclingPowerMeasurementCharacteristic

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

Cycling Power Measurement characteristic (0x2A63).

Used to transmit cycling power measurement data including instantaneous power, pedal power balance, accumulated energy, and revolution data.

CRANK_TIME_RESOLUTION = 1024.0

PEDAL_POWER_BALANCE_RESOLUTION = 2.0

UNKNOWN_PEDAL_POWER_BALANCE = 255

WHEEL_TIME_RESOLUTION = 2048.0

allow_variable_length: bool = True

min_length: int = 4

class src.bluetooth_sig.gatt.characteristics.cycling_power_measurement.CyclingPowerMeasurementData

Bases: msgspec.Struct

Parsed data from Cycling Power Measurement characteristic.

accumulated_energy: int | None = None

cumulative_crank_revolutions: int | None = None

cumulative_wheel_revolutions: int | None = None

flags: CyclingPowerMeasurementFlags

instantaneous_power: int

last_crank_event_time: float | None = None

last_wheel_event_time: float | None = None

pedal_power_balance: float | None = None

class src.bluetooth_sig.gatt.characteristics.cycling_power_measurement.CyclingPowerMeasurementFlags

Bases: enum.IntFlag

Cycling Power Measurement Flags as per Bluetooth SIG specification.

ACCUMULATED_ENERGY_PRESENT = 8

ACCUMULATED_ENERGY_RESERVED = 2048

ACCUMULATED_TORQUE_PRESENT = 4

BOTTOM_DEAD_SPOT_ANGLE_PRESENT = 1024

CRANK_REVOLUTION_DATA_PRESENT = 32

EXTREME_ANGLES_PRESENT = 256

EXTREME_FORCE_MAGNITUDES_PRESENT = 64

EXTREME_TORQUE_MAGNITUDES_PRESENT = 128

PEDAL_POWER_BALANCE_PRESENT = 1

PEDAL_POWER_BALANCE_REFERENCE = 2

TOP_DEAD_SPOT_ANGLE_PRESENT = 512

WHEEL_REVOLUTION_DATA_PRESENT = 16