src.bluetooth_sig.gatt.characteristics.plx_spot_check_measurement¶

PLX Spot-Check Measurement characteristic implementation.

Attributes¶

Name	Description
`logger`

Classes¶

Name	Description
`PLXDeviceAndSensorStatus`	PLX Device and Sensor Status flags (24-bit, Table 3.5 PLXS v1.0.1).
`PLXMeasurementStatus`	PLX Measurement Status flags (16-bit, Table 3.4 PLXS v1.0.1).
`PLXSpotCheckData`	Parsed PLX spot-check measurement data (Table 3.2 PLXS v1.0.1).
`PLXSpotCheckFlags`	PLX Spot-Check measurement flags (Table 3.3 PLXS v1.0.1).
`PLXSpotCheckMeasurementCharacteristic`	PLX Spot-Check Measurement characteristic (0x2A5E).

Module Contents¶

class src.bluetooth_sig.gatt.characteristics.plx_spot_check_measurement.PLXDeviceAndSensorStatus¶

Bases: enum.IntFlag

PLX Device and Sensor Status flags (24-bit, Table 3.5 PLXS v1.0.1).

EQUIPMENT_MALFUNCTION_DETECTED = 2¶

ERRATIC_SIGNAL_DETECTED = 64¶

EXTENDED_DISPLAY_UPDATE_ONGOING = 1¶

INADEQUATE_SIGNAL_DETECTED = 8¶

LOW_PERFUSION_DETECTED = 32¶

NON_PULSATILE_SIGNAL_DETECTED = 128¶

POOR_SIGNAL_DETECTED = 16¶

QUESTIONABLE_PULSE_DETECTED = 256¶

SENSOR_DISCONNECTED = 32768¶

SENSOR_DISPLACED = 8192¶

SENSOR_INTERFERENCE_DETECTED = 1024¶

SENSOR_MALFUNCTIONING = 16384¶

SENSOR_UNCONNECTED_TO_USER = 2048¶

SIGNAL_ANALYSIS_ONGOING = 512¶

SIGNAL_PROCESSING_IRREGULARITY = 4¶

UNKNOWN_SENSOR_CONNECTED = 4096¶

class src.bluetooth_sig.gatt.characteristics.plx_spot_check_measurement.PLXMeasurementStatus¶

Bases: enum.IntFlag

PLX Measurement Status flags (16-bit, Table 3.4 PLXS v1.0.1).

Bits 0-4 are RFU. Status bits start at bit 5.

CALIBRATION_ONGOING = 4096¶

DATA_FOR_DEMONSTRATION = 1024¶

DATA_FOR_TESTING = 2048¶

DATA_FROM_MEASUREMENT_STORAGE = 512¶

EARLY_ESTIMATED_DATA = 64¶

FULLY_QUALIFIED_DATA = 256¶

INVALID_MEASUREMENT_DETECTED = 32768¶

MEASUREMENT_ONGOING = 32¶

MEASUREMENT_UNAVAILABLE = 8192¶

QUESTIONABLE_MEASUREMENT_DETECTED = 16384¶

VALIDATED_DATA = 128¶

class src.bluetooth_sig.gatt.characteristics.plx_spot_check_measurement.PLXSpotCheckData¶

Bases: msgspec.Struct

Parsed PLX spot-check measurement data (Table 3.2 PLXS v1.0.1).

device_and_sensor_status: PLXDeviceAndSensorStatus | None = None¶

measurement_status: PLXMeasurementStatus | None = None¶

pulse_amplitude_index: float | None = None¶

pulse_rate: float¶

spo2: float¶

spot_check_flags: PLXSpotCheckFlags¶

supported_features: src.bluetooth_sig.gatt.characteristics.plx_features.PLXFeatureFlags | None = None¶

timestamp: datetime.datetime | None = None¶

class src.bluetooth_sig.gatt.characteristics.plx_spot_check_measurement.PLXSpotCheckFlags¶

Bases: enum.IntFlag

PLX Spot-Check measurement flags (Table 3.3 PLXS v1.0.1).

DEVICE_AND_SENSOR_STATUS_PRESENT = 4¶

DEVICE_CLOCK_NOT_SET = 16¶

MEASUREMENT_STATUS_PRESENT = 2¶

PULSE_AMPLITUDE_INDEX_PRESENT = 8¶

TIMESTAMP_PRESENT = 1¶

class src.bluetooth_sig.gatt.characteristics.plx_spot_check_measurement.PLXSpotCheckMeasurementCharacteristic(info: src.bluetooth_sig.types.CharacteristicInfo | None = None, validation: src.bluetooth_sig.gatt.characteristics.characteristic_meta.ValidationConfig | None = None)¶

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

PLX Spot-Check Measurement characteristic (0x2A5E).

Used to transmit single SpO2 (blood oxygen saturation) and pulse rate measurements from spot-check readings.

allow_variable_length: bool = True¶

max_length: int | None = 19¶

min_length: int | None = 5¶

src.bluetooth_sig.gatt.characteristics.plx_spot_check_measurement.logger¶