src.bluetooth_sig.gatt.characteristics.glucose_measurement¶

Glucose Measurement characteristic implementation.

Classes¶

Name	Description
`GlucoseMeasurementBits`	Glucose measurement bit field constants.
`GlucoseMeasurementCharacteristic`	Glucose Measurement characteristic (0x2A18).
`GlucoseMeasurementData`	Parsed glucose measurement data.
`GlucoseMeasurementFlags`	Glucose Measurement flags as per Bluetooth SIG specification.
`GlucoseType`	Glucose sample type enumeration as per Bluetooth SIG specification.
`SampleLocation`	Sample location enumeration as per Bluetooth SIG specification.

Module Contents¶

class src.bluetooth_sig.gatt.characteristics.glucose_measurement.GlucoseMeasurementBits¶

Glucose measurement bit field constants.

GLUCOSE_SAMPLE_LOCATION_BIT_WIDTH = 4¶

GLUCOSE_SAMPLE_LOCATION_START_BIT = 0¶

GLUCOSE_TYPE_BIT_WIDTH = 4¶

GLUCOSE_TYPE_SAMPLE_MASK = 15¶

GLUCOSE_TYPE_START_BIT = 4¶

class src.bluetooth_sig.gatt.characteristics.glucose_measurement.GlucoseMeasurementCharacteristic¶

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

Glucose Measurement characteristic (0x2A18).

Used to transmit glucose concentration measurements with timestamps and status. Core characteristic for glucose monitoring devices.

allow_variable_length: bool = True¶

max_length: int = 17¶

min_length: int = 12¶

class src.bluetooth_sig.gatt.characteristics.glucose_measurement.GlucoseMeasurementData¶

Bases: msgspec.Struct

Parsed glucose measurement data.

static is_reserved_range(value: int) → bool¶: Check if glucose type or sample location is in reserved range.

base_time: datetime.datetime¶

flags: GlucoseMeasurementFlags¶

glucose_concentration: float¶

glucose_type: GlucoseType | None = None¶

max_length: int = 17¶

min_length: int = 12¶

sample_location: SampleLocation | None = None¶

sensor_status: int | None = None¶

sequence_number: int¶

time_offset_minutes: int | None = None¶

unit: str¶

class src.bluetooth_sig.gatt.characteristics.glucose_measurement.GlucoseMeasurementFlags¶

Bases: enum.IntFlag

Glucose Measurement flags as per Bluetooth SIG specification.

GLUCOSE_CONCENTRATION_UNITS_MMOL_L = 2¶

SENSOR_STATUS_ANNUNCIATION_PRESENT = 8¶

TIME_OFFSET_PRESENT = 1¶

TYPE_SAMPLE_LOCATION_PRESENT = 4¶

class src.bluetooth_sig.gatt.characteristics.glucose_measurement.GlucoseType¶

Bases: enum.IntEnum

Glucose sample type enumeration as per Bluetooth SIG specification.

ARTERIAL_PLASMA = 6¶

ARTERIAL_WHOLE_BLOOD = 5¶

CAPILLARY_PLASMA = 2¶

CAPILLARY_WHOLE_BLOOD = 1¶

CONTROL_SOLUTION = 10¶

INTERSTITIAL_FLUID = 9¶

UNDETERMINED_PLASMA = 8¶

UNDETERMINED_WHOLE_BLOOD = 7¶

VENOUS_PLASMA = 4¶

VENOUS_WHOLE_BLOOD = 3¶

class src.bluetooth_sig.gatt.characteristics.glucose_measurement.SampleLocation¶

Bases: enum.IntEnum

Sample location enumeration as per Bluetooth SIG specification.

ALTERNATE_SITE_TEST = 2¶

CONTROL_SOLUTION = 4¶

EARLOBE = 3¶

FINGER = 1¶

NOT_AVAILABLE = 15¶