src.bluetooth_sig.gatt.characteristics.idd_features

IDD Features characteristic (0x2B23).

Composite structure: E2E-CRC (uint16) + E2E-Counter (uint8) + Insulin Concentration (SFLOAT) + Flags (24-bit).

References

Bluetooth SIG Insulin Delivery Service v1.0.1, Table 4.11, 4.12

Classes

Name	Description
IDDFeatureFlags	IDD Feature flags (24-bit) per IDS v1.0.1 Table 4.12.
IDDFeaturesCharacteristic	IDD Features characteristic (0x2B23).
IDDFeaturesData	Parsed IDD Features characteristic data.

Module Contents

class src.bluetooth_sig.gatt.characteristics.idd_features.IDDFeatureFlags

Bases: enum.IntFlag

IDD Feature flags (24-bit) per IDS v1.0.1 Table 4.12.

BASAL_RATE_SUPPORTED = 2

BOLUS_ACTIVATION_TYPE_SUPPORTED = 1024

BOLUS_DELAY_TIME_SUPPORTED = 256

BOLUS_TEMPLATE_SUPPORTED = 512

E2E_PROTECTION_SUPPORTED = 1

EXTENDED_BOLUS_SUPPORTED = 64

FAST_BOLUS_SUPPORTED = 32

FEATURE_EXTENSION = 8388608

I2CHO_RATIO_PROFILE_TEMPLATE_SUPPORTED = 8192

INSULIN_ON_BOARD_SUPPORTED = 32768

ISF_PROFILE_TEMPLATE_SUPPORTED = 4096

MULTIPLE_BOND_SUPPORTED = 2048

MULTIWAVE_BOLUS_SUPPORTED = 128

TARGET_GLUCOSE_RANGE_PROFILE_TEMPLATE_SUPPORTED = 16384

TBR_TEMPLATE_SUPPORTED = 16

TBR_TYPE_ABSOLUTE_SUPPORTED = 4

TBR_TYPE_RELATIVE_SUPPORTED = 8

class src.bluetooth_sig.gatt.characteristics.idd_features.IDDFeaturesCharacteristic

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

IDD Features characteristic (0x2B23).

org.bluetooth.characteristic.idd_features

Reports supported features of the Insulin Delivery Device. Structure: E2E-CRC(2) + E2E-Counter(1) + InsulinConcentration(2) + Flags(3) = 8 bytes.

allow_variable_length = True

min_length = 8

class src.bluetooth_sig.gatt.characteristics.idd_features.IDDFeaturesData

Bases: msgspec.Struct

Parsed IDD Features characteristic data.

e2e_crc

CRC-CCITT value (0xFFFF if E2E not supported).

e2e_counter

E2E counter (0x00 if E2E not supported).

insulin_concentration

Insulin concentration as SFLOAT.

flags

Supported feature flags (24-bit).

e2e_counter: int

e2e_crc: int

flags: IDDFeatureFlags

insulin_concentration: float