kmp-ble-dfu/com.atruedev.kmpble.dfu.transport/EspOtaTransport

EspOtaTransport

class EspOtaTransport(peripheral: Peripheral, config: DfuTransportConfig.EspOta, commandTimeout: Duration) : DfuTransport

Espressif ESP-IDF OTA transport.

Commands are sent to the OTA control characteristic (write with response), firmware data is written to the OTA data characteristic (write without response for throughput). Notifications on the control characteristic deliver command responses.

Constructors

EspOtaTransport

constructor(peripheral: Peripheral, config: DfuTransportConfig.EspOta, commandTimeout: Duration)

Properties

mtu

open override val mtu: Int

Maximum payload size per write, in bytes.

notifications

open override val notifications: Flow<ByteArray>

Incoming notifications from the DFU Control Point characteristic.

Functions

open override fun close()

Release transport resources synchronously.

sendCommand

open suspend override fun sendCommand(data: ByteArray): ByteArray

Write a command to the DFU Control Point and wait for the response notification.

sendCommandExpectingDisconnect

suspend fun DfuTransport.sendCommandExpectingDisconnect(data: ByteArray)

Send a command where the device is expected to disconnect or reboot before responding (e.g. reset commands).

sendData

open suspend override fun sendData(data: ByteArray)

Write firmware data to the peripheral.