Node / meshtastic / Meshtastic-Android / files / core / ble / src / commonMain / kotlin / org / meshtastic / core / ble / KableBleConnection.kt

Displaying Raw • Download

T8b949e/*

* Copyright (c) 2026 Meshtastic LLC

*

* This program is free software: you can redistribute it and/or modify

* it under the terms of the GNU General Public License as published by

* the Free Software Foundation, either version 3 of the License, or

* (at your option) any later version.

*

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

* GNU General Public License for more details.

*

* You should have received a copy of the GNU General Public License

* along with this program. If not, see <https://www.gnu.org/licenses/>.

*/

Tff7b72package T7ee787org.meshtastic.core.ble

Tff7b72import T7ee787co.touchlab.kermit.Logger

Tff7b72import T7ee787com.juul.kable.Peripheral

Tff7b72import T7ee787com.juul.kable.State

Tff7b72import T7ee787com.juul.kable.WriteType

Tff7b72import T7ee787com.juul.kable.characteristicOf

Tff7b72import T7ee787com.juul.kable.writeWithoutResponse

Tff7b72import T7ee787kotlinx.coroutines.CancellationException

Tff7b72import T7ee787kotlinx.coroutines.CoroutineScope

Tff7b72import T7ee787kotlinx.coroutines.Job

Tff7b72import T7ee787kotlinx.coroutines.NonCancellable

Tff7b72import T7ee787kotlinx.coroutines.TimeoutCancellationException

Tff7b72import T7ee787kotlinx.coroutines.channels.BufferOverflow

Tff7b72import T7ee787kotlinx.coroutines.delay

Tff7b72import T7ee787kotlinx.coroutines.flow.MutableSharedFlow

Tff7b72import T7ee787kotlinx.coroutines.flow.MutableStateFlow

Tff7b72import T7ee787kotlinx.coroutines.flow.SharedFlow

Tff7b72import T7ee787kotlinx.coroutines.flow.asSharedFlow

Tff7b72import T7ee787kotlinx.coroutines.flow.launchIn

Tff7b72import T7ee787kotlinx.coroutines.flow.onEach

Tff7b72import T7ee787kotlinx.coroutines.job

Tff7b72import T7ee787kotlinx.coroutines.withContext

Tff7b72import T7ee787kotlinx.coroutines.withTimeout

Tff7b72import T7ee787kotlin.time.Duration

Tff7b72import T7ee787kotlin.uuid.Uuid

T8b949e/** [BleService] implementation backed by a Kable [Peripheral] for a specific GATT service. */

Tff7b72class T56d364KableBleServiceTb4b4b4(Tff7b72private Tff7b72val Te6edf3peripheralTb4b4b4: Te6edf3PeripheralTb4b4b4, Tff7b72private Tff7b72val Te6edf3serviceUuidTb4b4b4: Te6edf3UuidTb4b4b4) Tb4b4b4: Te6edf3BleService Tb4b4b4{

Tff7b72override Tff7b72fun Td2a8ffhasCharacteristicTb4b4b4(Te6edf3characteristicTb4b4b4: Te6edf3BleCharacteristicTb4b4b4)Tb4b4b4: Tffa657Boolean Tff7b72= Te6edf3peripheralTb4b4b4.Te6edf3servicesTb4b4b4.Te6edf3valueTff7b72?.Te6edf3any Tb4b4b4{ Te6edf3svc Tff7b72-Tff7b72>

Te6edf3svcTb4b4b4.Te6edf3serviceUuid Tff7b72=Tff7b72= Te6edf3serviceUuid Tff7b72&Tff7b72& Te6edf3svcTb4b4b4.Te6edf3characteristicsTb4b4b4.Te6edf3any Tb4b4b4{ Tffa657itTb4b4b4.Te6edf3characteristicUuid Tff7b72=Tff7b72= Te6edf3characteristicTb4b4b4.Te6edf3uuid Tb4b4b4}

Tb4b4b4} Tff7b72=Tff7b72= Tff7b72true

Tff7b72override Tff7b72fun Td2a8ffobserveTb4b4b4(Te6edf3characteristicTb4b4b4: Te6edf3BleCharacteristicTb4b4b4) Tff7b72=

Te6edf3peripheralTb4b4b4.Te6edf3observeTb4b4b4(Te6edf3characteristicOfTb4b4b4(Te6edf3serviceUuidTb4b4b4, Te6edf3characteristicTb4b4b4.Te6edf3uuidTb4b4b4)Tb4b4b4)

Tff7b72override Tff7b72suspend Tff7b72fun Td2a8ffreadTb4b4b4(Te6edf3characteristicTb4b4b4: Te6edf3BleCharacteristicTb4b4b4)Tb4b4b4: Te6edf3ByteArray Tff7b72=

Te6edf3peripheralTb4b4b4.Te6edf3readTb4b4b4(Te6edf3characteristicOfTb4b4b4(Te6edf3serviceUuidTb4b4b4, Te6edf3characteristicTb4b4b4.Te6edf3uuidTb4b4b4)Tb4b4b4)

Tff7b72override Tff7b72fun Td2a8ffpreferredWriteTypeTb4b4b4(Te6edf3characteristicTb4b4b4: Te6edf3BleCharacteristicTb4b4b4)Tb4b4b4: Te6edf3BleWriteType Tb4b4b4{

Tff7b72val Te6edf3service Tff7b72= Te6edf3peripheralTb4b4b4.Te6edf3servicesTb4b4b4.Te6edf3valueTff7b72?.Te6edf3find Tb4b4b4{ Tffa657itTb4b4b4.Te6edf3serviceUuid Tff7b72=Tff7b72= Te6edf3serviceUuid Tb4b4b4}

Tff7b72val Te6edf3char Tff7b72= Te6edf3serviceTff7b72?.Te6edf3characteristicsTff7b72?.Te6edf3find Tb4b4b4{ Tffa657itTb4b4b4.Te6edf3characteristicUuid Tff7b72=Tff7b72= Te6edf3characteristicTb4b4b4.Te6edf3uuid Tb4b4b4}

Tff7b72return Tff7b72if Tb4b4b4(Te6edf3charTff7b72?.Te6edf3propertiesTff7b72?.Te6edf3writeWithoutResponse Tff7b72=Tff7b72= Tff7b72trueTb4b4b4) Tb4b4b4{

Te6edf3BleWriteTypeTb4b4b4.Te6edf3WITHOUT_RESPONSE

Tb4b4b4} Tff7b72else Tb4b4b4{

Te6edf3BleWriteTypeTb4b4b4.Te6edf3WITH_RESPONSE

Tb4b4b4}

Tb4b4b4}

Tff7b72override Tff7b72suspend Tff7b72fun Td2a8ffwriteTb4b4b4(Te6edf3characteristicTb4b4b4: Te6edf3BleCharacteristicTb4b4b4, Te6edf3dataTb4b4b4: Te6edf3ByteArrayTb4b4b4, Te6edf3writeTypeTb4b4b4: Te6edf3BleWriteTypeTb4b4b4) Tb4b4b4{

Te6edf3peripheralTb4b4b4.Te6edf3writeTb4b4b4(

Te6edf3characteristicOfTb4b4b4(Te6edf3serviceUuidTb4b4b4, Te6edf3characteristicTb4b4b4.Te6edf3uuidTb4b4b4)Tb4b4b4,

Te6edf3dataTb4b4b4,

Tff7b72when Tb4b4b4(Te6edf3writeTypeTb4b4b4) Tb4b4b4{

Te6edf3BleWriteTypeTb4b4b4.Te6edf3WITH_RESPONSE Tff7b72-Tff7b72> Te6edf3WriteTypeTb4b4b4.Te6edf3WithResponse

Te6edf3BleWriteTypeTb4b4b4.Te6edf3WITHOUT_RESPONSE Tff7b72-Tff7b72> Te6edf3WriteTypeTb4b4b4.Te6edf3WithoutResponse

Tb4b4b4}Tb4b4b4,

Tb4b4b4)

Tb4b4b4}

Tb4b4b4}

T8b949e/**

* [BleConnection] implementation using Kable for cross-platform BLE communication.

*

* Manages peripheral lifecycle (connect with exponential backoff, disconnect, reconnect), connection state tracking,

* and GATT service profile access.

*/

Tff7b72class T56d364KableBleConnectionTb4b4b4(Tff7b72private Tff7b72val Te6edf3scopeTb4b4b4: Te6edf3CoroutineScopeTb4b4b4) Tb4b4b4: Te6edf3BleConnection Tb4b4b4{

Tff7b72private Tff7b72var Te6edf3peripheralTb4b4b4: Te6edf3Peripheral? Tff7b72= Tff7b72null

Tff7b72private Tff7b72var Te6edf3stateJobTb4b4b4: Te6edf3Job? Tff7b72= Tff7b72null

Tff7b72private Tff7b72var Te6edf3connectionScopeTb4b4b4: Te6edf3CoroutineScope? Tff7b72= Tff7b72null

Tff7b72companion Tff7b72object Tb4b4b4{

Tff7b72private Tff7b72const Tff7b72val Te6edf3INITIAL_RETRY_DELAY_MS Tff7b72= T79c0ff1T79c0ff0T79c0ff0T79c0ff0L

Tff7b72private Tff7b72const Tff7b72val Te6edf3MAX_RETRY_DELAY_MS Tff7b72= T79c0ff3T79c0ff0Te6edf3_000L

Tff7b72private Tff7b72const Tff7b72val Te6edf3MAX_CONNECT_RETRIES Tff7b72= T79c0ff1T79c0ff5

Tff7b72private Tff7b72const Tff7b72val Te6edf3BACKOFF_MULTIPLIER Tff7b72= T79c0ff2

Tb4b4b4}

Tff7b72private Tff7b72val Te6edf3_deviceFlow Tff7b72= Te6edf3MutableSharedFlowTff7b72<Te6edf3BleDevice?Tff7b72>Tb4b4b4(Te6edf3replay Tff7b72= T79c0ff1Tb4b4b4)

Tff7b72override Tff7b72val Te6edf3deviceFlowTb4b4b4: Te6edf3SharedFlowTff7b72<Te6edf3BleDevice?Tff7b72> Tff7b72= Te6edf3_deviceFlowTb4b4b4.Te6edf3asSharedFlowTb4b4b4(Tb4b4b4)

Tff7b72override Tff7b72val Te6edf3deviceTb4b4b4: Te6edf3BleDevice?

Tff7b72getTb4b4b4(Tb4b4b4) Tff7b72= Te6edf3_deviceFlowTb4b4b4.Te6edf3replayCacheTb4b4b4.Te6edf3firstOrNullTb4b4b4(Tb4b4b4)

Tff7b72private Tff7b72val Te6edf3_connectionState Tff7b72=

Te6edf3MutableSharedFlowTff7b72<Te6edf3BleConnectionStateTff7b72>Tb4b4b4(

Te6edf3replay Tff7b72= T79c0ff1Tb4b4b4,

Te6edf3extraBufferCapacity Tff7b72= T79c0ff1Tb4b4b4,

Te6edf3onBufferOverflow Tff7b72= Te6edf3BufferOverflowTb4b4b4.Te6edf3DROP_OLDESTTb4b4b4,

Tb4b4b4)

Tff7b72override Tff7b72val Te6edf3connectionStateTb4b4b4: Te6edf3SharedFlowTff7b72<Te6edf3BleConnectionStateTff7b72> Tff7b72= Te6edf3_connectionStateTb4b4b4.Te6edf3asSharedFlowTb4b4b4(Tb4b4b4)

Tf0883e@SuppressTb4b4b4(Ta5d6ff"Ta5d6ffLongMethodTa5d6ff"Tb4b4b4, Ta5d6ff"Ta5d6ffCyclomaticComplexMethodTa5d6ff"Tb4b4b4)

Tff7b72override Tff7b72suspend Tff7b72fun Td2a8ffconnectTb4b4b4(Te6edf3deviceTb4b4b4: Te6edf3BleDeviceTb4b4b4) Tb4b4b4{

Tff7b72val Te6edf3autoConnect Tff7b72= Te6edf3MutableStateFlowTb4b4b4(Te6edf3device Tff7b72is Te6edf3DirectBleDeviceTb4b4b4)

Tff7b72val Te6edf3p Tff7b72=

Tff7b72when Tb4b4b4(Te6edf3deviceTb4b4b4) Tb4b4b4{

Tff7b72is Te6edf3KableBleDevice Tff7b72-Tff7b72>

Te6edf3PeripheralTb4b4b4(Te6edf3deviceTb4b4b4.Te6edf3advertisementTb4b4b4) Tb4b4b4{

Te6edf3observationExceptionHandler Tb4b4b4{ Te6edf3cause Tff7b72-Tff7b72>

Te6edf3LoggerTb4b4b4.Te6edf3wTb4b4b4(Te6edf3causeTb4b4b4) Tb4b4b4{ Ta5d6ff"Ta5d6ff[Tffd700${Te6edf3deviceTb4b4b4.Te6edf3addressTffd700}Ta5d6ff] Observation failure suppressedTa5d6ff" Tb4b4b4}

Tb4b4b4}

Te6edf3platformConfigTb4b4b4(Te6edf3deviceTb4b4b4) Tb4b4b4{ Te6edf3autoConnectTb4b4b4.Te6edf3value Tb4b4b4}

Tb4b4b4}

Tff7b72is Te6edf3DirectBleDevice Tff7b72-Tff7b72>

Te6edf3createPeripheralTb4b4b4(Te6edf3deviceTb4b4b4.Te6edf3addressTb4b4b4) Tb4b4b4{

Te6edf3observationExceptionHandler Tb4b4b4{ Te6edf3cause Tff7b72-Tff7b72>

Te6edf3LoggerTb4b4b4.Te6edf3wTb4b4b4(Te6edf3causeTb4b4b4) Tb4b4b4{ Ta5d6ff"Ta5d6ff[Tffd700${Te6edf3deviceTb4b4b4.Te6edf3addressTffd700}Ta5d6ff] Observation failure suppressedTa5d6ff" Tb4b4b4}

Tb4b4b4}

Te6edf3platformConfigTb4b4b4(Te6edf3deviceTb4b4b4) Tb4b4b4{ Te6edf3autoConnectTb4b4b4.Te6edf3value Tb4b4b4}

Tb4b4b4}

Tff7b72else Tff7b72-Tff7b72> Te6edf3errorTb4b4b4(Ta5d6ff"Ta5d6ffUnsupported BleDevice type: Tffd700${Te6edf3deviceTff7b72::Te6edf3classTffd700}Ta5d6ff"Tb4b4b4)

Tb4b4b4}

T8b949e// Clean up previous peripheral under NonCancellable to prevent GATT resource leaks

T8b949e// if the calling coroutine is cancelled during teardown.

Te6edf3withContextTb4b4b4(Te6edf3NonCancellableTb4b4b4) Tb4b4b4{

Tff7b72try Tb4b4b4{

Te6edf3peripheralTff7b72?.Te6edf3disconnectTb4b4b4(Tb4b4b4)

Tb4b4b4} Tff7b72catch Tb4b4b4(Tf0883e@SuppressTb4b4b4(Ta5d6ff"Ta5d6ffTooGenericExceptionCaughtTa5d6ff"Tb4b4b4) Te6edf3eTb4b4b4: Te6edf3ExceptionTb4b4b4) Tb4b4b4{

Te6edf3LoggerTb4b4b4.Te6edf3wTb4b4b4(Te6edf3eTb4b4b4) Tb4b4b4{ Ta5d6ff"Ta5d6ff[Tffd700${Te6edf3deviceTb4b4b4.Te6edf3addressTffd700}Ta5d6ff] Failed to disconnect previous peripheralTa5d6ff" Tb4b4b4}

Tb4b4b4}

Tff7b72try Tb4b4b4{

Te6edf3peripheralTff7b72?.Te6edf3closeTb4b4b4(Tb4b4b4)

Tb4b4b4} Tff7b72catch Tb4b4b4(Tf0883e@SuppressTb4b4b4(Ta5d6ff"Ta5d6ffTooGenericExceptionCaughtTa5d6ff"Tb4b4b4) Te6edf3eTb4b4b4: Te6edf3ExceptionTb4b4b4) Tb4b4b4{

Te6edf3LoggerTb4b4b4.Te6edf3wTb4b4b4(Te6edf3eTb4b4b4) Tb4b4b4{ Ta5d6ff"Ta5d6ff[Tffd700${Te6edf3deviceTb4b4b4.Te6edf3addressTffd700}Ta5d6ff] Failed to close previous peripheralTa5d6ff" Tb4b4b4}

Tb4b4b4}

Tb4b4b4}

Te6edf3peripheral Tff7b72= Te6edf3p

Te6edf3ActiveBleConnectionTb4b4b4.Te6edf3activePeripheral Tff7b72= Te6edf3p

Te6edf3ActiveBleConnectionTb4b4b4.Te6edf3activeAddress Tff7b72= Te6edf3deviceTb4b4b4.Te6edf3address

Te6edf3_deviceFlowTb4b4b4.Te6edf3emitTb4b4b4(Te6edf3deviceTb4b4b4)

Te6edf3stateJobTff7b72?.Te6edf3cancelTb4b4b4(Tb4b4b4)

Tff7b72var Te6edf3hasStartedConnecting Tff7b72= Tff7b72false

Te6edf3stateJob Tff7b72=

Te6edf3pTb4b4b4.Te6edf3state

Tb4b4b4.Te6edf3onEach Tb4b4b4{ Te6edf3kableState Tff7b72-Tff7b72>

Tff7b72val Te6edf3mappedState Tff7b72= Te6edf3kableStateTb4b4b4.Te6edf3toBleConnectionStateTb4b4b4(Te6edf3hasStartedConnectingTb4b4b4) Tff7b72?: Tff7b72returnTf0883e@onEach

Tff7b72if Tb4b4b4(Te6edf3kableState Tff7b72is Te6edf3StateTb4b4b4.Te6edf3Connecting Tff7b72|Tff7b72| Te6edf3kableState Tff7b72is Te6edf3StateTb4b4b4.Te6edf3ConnectedTb4b4b4) Tb4b4b4{

Te6edf3hasStartedConnecting Tff7b72= Tff7b72true

Tb4b4b4}

Tff7b72when Tb4b4b4(Te6edf3deviceTb4b4b4) Tb4b4b4{

Tff7b72is Te6edf3KableBleDevice Tff7b72-Tff7b72> Te6edf3deviceTb4b4b4.Te6edf3updateStateTb4b4b4(Te6edf3mappedStateTb4b4b4)

Tff7b72is Te6edf3DirectBleDevice Tff7b72-Tff7b72> Te6edf3deviceTb4b4b4.Te6edf3updateStateTb4b4b4(Te6edf3mappedStateTb4b4b4)

Tb4b4b4}

Te6edf3_connectionStateTb4b4b4.Te6edf3emitTb4b4b4(Te6edf3mappedStateTb4b4b4)

Tb4b4b4}

Tb4b4b4.Te6edf3launchInTb4b4b4(Te6edf3scopeTb4b4b4)

Tff7b72var Te6edf3retryCount Tff7b72= T79c0ff0

Tff7b72var Te6edf3retryDelayMs Tff7b72= Te6edf3INITIAL_RETRY_DELAY_MS

Tff7b72while Tb4b4b4(Te6edf3pTb4b4b4.Te6edf3stateTb4b4b4.Te6edf3value Tff7b72!is Te6edf3StateTb4b4b4.Te6edf3ConnectedTb4b4b4) Tb4b4b4{

Te6edf3autoConnectTb4b4b4.Te6edf3value Tff7b72=

Tff7b72try Tb4b4b4{

T8b949e// Cancel any previous connectionScope to avoid leaking the old coroutine scope.

Te6edf3connectionScopeTff7b72?.Te6edf3let Tb4b4b4{ Te6edf3oldScope Tff7b72-Tff7b72>

Te6edf3LoggerTb4b4b4.Te6edf3d Tb4b4b4{ Ta5d6ff"Ta5d6ff[Tffd700${Te6edf3deviceTb4b4b4.Te6edf3addressTffd700}Ta5d6ff] Cancelling previous connectionScope before reconnectTa5d6ff" Tb4b4b4}

Te6edf3oldScopeTb4b4b4.Te6edf3coroutineContextTb4b4b4.Te6edf3jobTb4b4b4.Te6edf3cancelTb4b4b4(Tb4b4b4)

Tb4b4b4}

Te6edf3connectionScope Tff7b72= Te6edf3pTb4b4b4.Te6edf3connectTb4b4b4(Tb4b4b4)

Tff7b72false

Tb4b4b4} Tff7b72catch Tb4b4b4(Te6edf3eTb4b4b4: Te6edf3CancellationExceptionTb4b4b4) Tb4b4b4{

Tff7b72throw Te6edf3e

Tb4b4b4} Tff7b72catch Tb4b4b4(Tf0883e@SuppressTb4b4b4(Ta5d6ff"Ta5d6ffTooGenericExceptionCaughtTa5d6ff"Tb4b4b4, Ta5d6ff"Ta5d6ffSwallowedExceptionTa5d6ff"Tb4b4b4) Te6edf3_Tb4b4b4: Te6edf3ExceptionTb4b4b4) Tb4b4b4{

Te6edf3retryCountTff7b72+Tff7b72+

Tff7b72if Tb4b4b4(Te6edf3retryCount Tff7b72> Te6edf3MAX_CONNECT_RETRIESTb4b4b4) Tb4b4b4{

Te6edf3LoggerTb4b4b4.Te6edf3w Tb4b4b4{ Ta5d6ff"Ta5d6ff[Tffd700${Te6edf3deviceTb4b4b4.Te6edf3addressTffd700}Ta5d6ff] Max connect retries (Tffd700$Te6edf3MAX_CONNECT_RETRIESTa5d6ff) exceededTa5d6ff" Tb4b4b4}

Te6edf3_connectionStateTb4b4b4.Te6edf3emitTb4b4b4(Te6edf3BleConnectionStateTb4b4b4.Te6edf3DisconnectedTb4b4b4)

Tff7b72return

Tb4b4b4}

Te6edf3LoggerTb4b4b4.Te6edf3d Tb4b4b4{ Ta5d6ff"Ta5d6ff[Tffd700${Te6edf3deviceTb4b4b4.Te6edf3addressTffd700}Ta5d6ff] Connect retry Tffd700$Te6edf3retryCountTa5d6ff, backoff Tffd700${Te6edf3retryDelayMsTffd700}Ta5d6ffmsTa5d6ff" Tb4b4b4}

Te6edf3delayTb4b4b4(Te6edf3retryDelayMsTb4b4b4)

Te6edf3retryDelayMs Tff7b72= Tb4b4b4(Te6edf3retryDelayMs Tff7b72* Te6edf3BACKOFF_MULTIPLIERTb4b4b4)Tb4b4b4.Te6edf3coerceAtMostTb4b4b4(Te6edf3MAX_RETRY_DELAY_MSTb4b4b4)

Tff7b72true

Tb4b4b4}

Tb4b4b4}

Tb4b4b4}

Tf0883e@SuppressTb4b4b4(Ta5d6ff"Ta5d6ffTooGenericExceptionCaughtTa5d6ff"Tb4b4b4, Ta5d6ff"Ta5d6ffSwallowedExceptionTa5d6ff"Tb4b4b4)

Tff7b72override Tff7b72suspend Tff7b72fun Td2a8ffconnectAndAwaitTb4b4b4(Te6edf3deviceTb4b4b4: Te6edf3BleDeviceTb4b4b4, Te6edf3timeoutMsTb4b4b4: Tffa657LongTb4b4b4)Tb4b4b4: Te6edf3BleConnectionState Tff7b72= Tff7b72try Tb4b4b4{

Te6edf3withTimeoutTb4b4b4(Te6edf3timeoutMsTb4b4b4) Tb4b4b4{

Te6edf3connectTb4b4b4(Te6edf3deviceTb4b4b4)

Te6edf3BleConnectionStateTb4b4b4.Te6edf3Connected

Tb4b4b4}

Tb4b4b4} Tff7b72catch Tb4b4b4(Te6edf3_Tb4b4b4: Te6edf3TimeoutCancellationExceptionTb4b4b4) Tb4b4b4{

T8b949e// Our own timeout expired — treat as a failed attempt so callers can retry.

Te6edf3BleConnectionStateTb4b4b4.Te6edf3Disconnected

Tb4b4b4} Tff7b72catch Tb4b4b4(Te6edf3eTb4b4b4: Te6edf3CancellationExceptionTb4b4b4) Tb4b4b4{

T8b949e// External cancellation (scope closed) — must propagate.

Tff7b72throw Te6edf3e

Tb4b4b4} Tff7b72catch Tb4b4b4(Te6edf3_Tb4b4b4: Te6edf3ExceptionTb4b4b4) Tb4b4b4{

Te6edf3BleConnectionStateTb4b4b4.Te6edf3Disconnected

Tb4b4b4}

Tff7b72override Tff7b72suspend Tff7b72fun Td2a8ffdisconnectTb4b4b4(Tb4b4b4) Tff7b72= Te6edf3withContextTb4b4b4(Te6edf3NonCancellableTb4b4b4) Tb4b4b4{

T8b949e// Emit Disconnected before cancelling stateJob so downstream collectors see the

T8b949e// state transition. If we cancel stateJob first, the peripheral's state flow

T8b949e// emission of Disconnected is never forwarded to _connectionState.

Te6edf3_connectionStateTb4b4b4.Te6edf3emitTb4b4b4(Te6edf3BleConnectionStateTb4b4b4.Te6edf3DisconnectedTb4b4b4)

Te6edf3stateJobTff7b72?.Te6edf3cancelTb4b4b4(Tb4b4b4)

Te6edf3stateJob Tff7b72= Tff7b72null

Te6edf3peripheralTff7b72?.Te6edf3disconnectTb4b4b4(Tb4b4b4)

Te6edf3peripheralTff7b72?.Te6edf3closeTb4b4b4(Tb4b4b4)

Te6edf3peripheral Tff7b72= Tff7b72null

Te6edf3connectionScope Tff7b72= Tff7b72null

Te6edf3ActiveBleConnectionTb4b4b4.Te6edf3activePeripheral Tff7b72= Tff7b72null

Te6edf3ActiveBleConnectionTb4b4b4.Te6edf3activeAddress Tff7b72= Tff7b72null

Te6edf3_deviceFlowTb4b4b4.Te6edf3emitTb4b4b4(Tff7b72nullTb4b4b4)

Tb4b4b4}

Tff7b72override Tff7b72suspend Tff7b72fun Tff7b72<Te6edf3TTff7b72> Td2a8ffprofileTb4b4b4(

Te6edf3serviceUuidTb4b4b4: Te6edf3UuidTb4b4b4,

Te6edf3timeoutTb4b4b4: Te6edf3DurationTb4b4b4,

Te6edf3setupTb4b4b4: Te6edf3suspend Te6edf3CoroutineScopeTb4b4b4.Tb4b4b4(Te6edf3BleServiceTb4b4b4) Tff7b72-Tff7b72> Te6edf3TTb4b4b4,

Tb4b4b4)Tb4b4b4: Te6edf3T Tb4b4b4{

Tff7b72val Te6edf3p Tff7b72= Te6edf3peripheral Tff7b72?: Te6edf3errorTb4b4b4(Ta5d6ff"Ta5d6ffNot connectedTa5d6ff"Tb4b4b4)

Tff7b72val Te6edf3cScope Tff7b72= Te6edf3connectionScope Tff7b72?: Te6edf3errorTb4b4b4(Ta5d6ff"Ta5d6ffNo active connection scopeTa5d6ff"Tb4b4b4)

Tff7b72val Te6edf3service Tff7b72= Te6edf3KableBleServiceTb4b4b4(Te6edf3pTb4b4b4, Te6edf3serviceUuidTb4b4b4)

Tff7b72return Te6edf3withTimeoutTb4b4b4(Te6edf3timeoutTb4b4b4) Tb4b4b4{ Te6edf3cScopeTb4b4b4.Te6edf3setupTb4b4b4(Te6edf3serviceTb4b4b4) Tb4b4b4}

Tb4b4b4}

Tff7b72override Tff7b72fun Td2a8ffmaximumWriteValueLengthTb4b4b4(Te6edf3writeTypeTb4b4b4: Te6edf3BleWriteTypeTb4b4b4)Tb4b4b4: Tffa657Int? Tff7b72= Te6edf3peripheralTff7b72?.Te6edf3negotiatedMaxWriteLengthTb4b4b4(Tb4b4b4)

Tb4b4b4}