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 CPS v1.1 Table 3.2.

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.

ACCUMULATED_TORQUE_RESOLUTION = 32.0¶

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¶

accumulated_torque: float | None = None¶

bottom_dead_spot_angle: 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¶

maximum_angle: int | None = None¶

maximum_force_magnitude: int | None = None¶

maximum_torque_magnitude: float | None = None¶

minimum_angle: int | None = None¶

minimum_force_magnitude: int | None = None¶

minimum_torque_magnitude: float | None = None¶

pedal_power_balance: float | None = None¶

top_dead_spot_angle: int | None = None¶

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

Bases: enum.IntFlag

Cycling Power Measurement Flags as per CPS v1.1 Table 3.2.

ACCUMULATED_ENERGY_PRESENT = 2048¶

ACCUMULATED_TORQUE_PRESENT = 4¶

ACCUMULATED_TORQUE_SOURCE = 8¶

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¶

OFFSET_COMPENSATION_INDICATOR = 4096¶

PEDAL_POWER_BALANCE_PRESENT = 1¶

PEDAL_POWER_BALANCE_REFERENCE = 2¶

TOP_DEAD_SPOT_ANGLE_PRESENT = 512¶

WHEEL_REVOLUTION_DATA_PRESENT = 16¶