DeviceManager

class DeviceManager

Description: Device manager

class DeviceManager private constructor() : IDeviceManager, OnDeviceChangedListener,IProtoConnectListener {

    companion object {
        private const val CLASS_NAME = "[DeviceManager]"
        private const val TAG = Constants.MSDK_PROTO_TAG

        /**
         * max retry connection count defined here
         */
        private const val MAX_RETRY_COUNT = 3

        /**
         * device manager class
         */
        private var deviceManager: IDeviceManager = DeviceManager()

        /**
         * disconnection interval
         */
        var mDisconnectTimeInterval = 0L

        /**
         * Frequency binding completion time (unit: ms)
         */
        var costTime = 0

        /**
         * init method for defined device manager class with context
         * @param context context of activity
         */
        fun init(context: Context) {
            deviceManager.init(context)
        }

        /**
         * getting current device manager class object
         * @return device manager object
         */
        fun getDeviceManager(): IDeviceManager {
            return deviceManager
        }

        /**
         * getting drone device data object class connected with Remote Controller
         * @return getting first device connected from drones
         */
        fun getFirstDroneDevice(): IAutelDroneDevice? {
            return deviceManager.getFirstDroneDevice()
        }
    }

    /**
     * coroutine scope of main thread
     */
    private val coroutineScope = CoroutineScope(Dispatchers.Main)

    /**
     * available drone listener  list
     */
    private var droneListenerList = mutableListOf<IAutelDroneListener>()

    /**
     * available drone list
     */
    private var droneDeviceList = mutableListOf<IAutelDroneDevice>()

    /**
     * available remote controller list
     */
    private var remoteDeviceList = mutableListOf<IAutelRemoteDevice>()

    /**
     * available remote upgrade device list
     */
    private var remoteUpgradeDeviceList = mutableListOf<IBaseDevice>()

    /**
     * available drone upgrade device list
     */
    private var droneUpgradeDeviceList = mutableListOf<IBaseDevice>()

    /**
     * available nest device list
     */
    private var nestDeviceList = mutableListOf<IAutelNestDevice>()

    /**
     * defined switch mode devices list here
     */
    private var switchModeDeviceList = mutableListOf<IBaseDevice>()

    /**
     * defines state of initiate or not
     */
    private var isInit = false
    private val RETRY_MAX_COUNTS = 10

    /**
     * The time the plane disconnected
     */
    private var mDisconnectTime = 0L

    /**
     * The number of retries. Only when the system initialization data is successfully obtained, will the app be notified that it is connected.
     */
    private var retryCount = MAX_RETRY_COUNT

    /**
     * context object
     */
    private var mContext: Context? = null
}

method createRemoterDevice

private fun createRemoterDevice()

Description: Add remote device

Input parameters: None。

Output parameters: None。

Related parameters: None。

method listenMatchCostTime

private fun listenMatchCostTime()

Description: Monitor the completion time of linking, used in SkyLink test

Input parameters: None。

Output parameters: None。

Related parameters: None。

method startRemoteUploadAndTimeSync

private fun startRemoteUploadAndTimeSync()

Description: Enable remote control frequency reporting and remote control time synchronization

Input parameters: None。

Output parameters: None。

Related parameters: None。

method rcTimeSync

private fun rcTimeSync()

Description: RC and APP time synchronization

Input parameters: None。

Output parameters: None。

Related parameters: None。

method getTimeZoneOffset

private fun getTimeZoneOffset(): Int

Description: Get the offset hours of the current time zone relative to the zero time zone

Input parameters: None。

Output parameters: Convert offset value to hours

Related parameters: None。

method createDroneDevice

private fun createDroneDevice()

Description: Add aircraft equipment

Input parameters: None.

Output parameters: None.

Related parameters: None.

method removeDroneDevice

private fun removeDroneDevice(device: IAutelDroneDevice)

Description: Remove aircraft equipment

Input parameters: device: drone device object to be removed

Output parameters: None.

Related parameters: None.

method getInitData

private fun getInitData(device: IAutelDroneDevice, retryCount: Int = RETRY_MAX_COUNTS)

Description: Starts init data of drone device

Input parameters: Device drone object

Output parameters: None.

Related parameters: None.

method iniCameraInfo

private fun iniCameraInfo(device: IAutelDroneDevice, retryCount: Int = RETRY_MAX_COUNTS)

Description: Camera capability set initialization

Input parameters: device: connected aircraft information retryCount: the number of retries to obtain camera information

Output parameters: None.

Related parameters: None.

method test

fun test()

Description: Performance testing uses

Input parameters: None.

Output parameters: None.

Related parameters: None.

method getDroneDeviceInfo

private fun getDroneDeviceInfo(device: IAutelDroneDevice, retryCount: Int = RETRY_MAX_COUNTS) {

Description: Getting drone device all info

Input parameters: device: drone device object retryCount: retry counter

Output parameters: None.

Related parameters: None.

method getCameraAbilityVersion

private fun getCameraAbilityVersion(model: String, retryCount: Int = RETRY_MAX_COUNTS)

Description: Get the camera capability set version number

Input parameters: model: camera model

Output parameters: None.

method initLocalAssetGson

private fun initLocalAssetGson()

Description: Directly parse local Asset data

Input parameters: None.

Output parameters: None.

Related parameters: None.

method downloadCameraAbilityFile

private fun downloadCameraAbilityFile(
         model: String,
         version: String,
         oldVersion: String?,
         sourcePath: String,
         retryCount: Int = RETRY_MAX_COUNTS
     )

Description: Download capability set file

Input parameters: model: camera model version: capability set version number oldVersion: local version number sourcePath: download path sourcePath: path of json file

Output parameters: None.

Related parameters: None.

method parseAndInformApp

fun private fun parseAndInformApp(file: File, model: String, version: String)

Description: Parse the camera capability set file and notify the app

Input parameters: file: camera json file model: camera model version: capability set version number

Output parameters: None.

Related parameters: None.

method setTimeZone

private fun setTimeZone(device: IAutelDroneDevice, retryCount: Int = RETRY_MAX_COUNTS)

Description: Synchronize system time to flight controller

Input parameters: device: drone device object

Output parameters: None.

Related parameters: None.

method listenCameraStatusMsg

private fun listenCameraStatusMsg(aircraftDevice: IBaseDevice)

Description: Listen camera status of drone

Input parameters: aircraftDevice: drone device base object

Output parameters: None.

Related parameters: None.