regrading the device custom attributes reading sample app is crashing

nagendra — Wed, 26 Jun 2024 04:09:45 GMT

Hi Team,

I added the one smart Wi-Fi light device through matter while using the your sample app. While controlling and reading the on off its working fine. But while reading the attributes the below errors are observed also app getting crashed.

FATAL EXCEPTION: main
Process: package PID: 30323
chip.devicecontroller.ChipClusterException: CHIP cluster error: 195
Suppressed: kotlinx.coroutines.internal.DiagnosticCoroutineContextException: [StandaloneCoroutine{Cancelling}@9b56298, Dispatchers.Main.immediate]

We tried different methods, but the same issues occurs every time. Please look into it and provide the solution for this?

suspend fun readBasicClusters(nodeId: Long) {
   /* val endpointId = 1
    val clusterId = 0x00000090
    val attributeName = "power"
    val attributeId = 0x00000008*/

   /* val chipAttribute =
        ChipAttributePath.newInstance(1, 0x00000090, 0x00000008)
    val chipAttribute1 =
        ChipAttributePath.newInstance(1, 0x00000090, 0x0000000C)
    val chipAttribute2 =
        ChipAttributePath.newInstance(1, 0x00000090, 0x0000000B)*/

    val chipAttribute =
        ChipAttributePath.newInstance(1, 144, 8)
    val chipAttribute1 =
        ChipAttributePath.newInstance(1, 144, 12)
    val chipAttribute2 =
        ChipAttributePath.newInstance(1, 144, 11)
    val attributePaths = listOf(chipAttribute, chipAttribute1, chipAttribute2)
    val devicePtr =
        try {
            chipClient.getConnectedDevicePointer(nodeId)
        } catch (e: IllegalStateException) {
            Timber.d("getConnectedDevicePointer--> exception $e")
            return
        }
    /*chipClient.readAttributes(nodeId, attributePaths)*/
    /*chipClient.chipDeviceController.readAttributePath(
        object : ReportCallback {
            override fun onError(
                attributePath: ChipAttributePath?,
                eventPath: ChipEventPath?,
                e: Exception?
            ) {
                Timber.d("readAttributes onError--> $e")
            }

            override fun onReport(nodeState: NodeState?) {
                Timber.d("readAttributes onReport--> $nodeState")
                val states: HashMap<ChipAttributePath, AttributeState> = HashMap()
                for (path in attributePaths) {
                    var endpoint: Int = path.endpointId.id.toInt()
                    states[path] =
                        nodeState!!
                            .getEndpointState(endpoint)!!
                            .getClusterState(path.clusterId.id)!!
                            .getAttributeState(path.attributeId.id)!!
                }
                Timber.d("readAttributes states--> $states")

            }

            override fun onDone() {
                super.onDone()
            }
        },
        nodeId,
        attributePaths
    )*/
    /*chipClient.chipDeviceController.readPath(
        object : ReportCallback {
            override fun onError(
                attributePath: ChipAttributePath?,
                eventPath: ChipEventPath?,
                ex: java.lang.Exception
            ) {
                Timber.e("TAG->Read $attributeName failure $ex")
            }

            override fun onReport(nodeState: NodeState?) {
                Timber.d("TAG->onReport $nodeState")
                val tlv = nodeState?.getEndpointState(endpointId)
                    ?.getClusterState(clusterId.toLong())
                    ?.getAttributeState(attributeId.toLong())
                    ?.tlv
                *//*val value = tlv?.let { TlvReader(it) }*//*
                Timber.d("TAG->[Read Success] $attributeName: $tlv")
            }
        },
        devicePtr,
        listOf(chipAttribute, chipAttribute1, chipAttribute2),
        null,
        false
    )*/
    /*clustersHelper.readApplicationBasicClusterAttributeList(nodeId, 1)
    clustersHelper.readBasicClusterAttributeList(nodeId, 1)*/

Re: regrading the device custom attributes reading sample app is crashing

sipriyadarshi — Thu, 11 Jul 2024 16:40:18 GMT

Hello @nagendra ,

The reason for you encountering the error could be because of one of the following reasons :

You might be trying to read values before communication is fully established with the device. You should ensure before reading the device attribute cluster you are able to read the device descriptor cluster.
Also, you need to make sure that the values are right and the clusters are available on the device.
You can refer to the connectedhomeip repository on Github to learn how to read custom clusters and you should also try with the sample app.

Re: regrading the device custom attributes reading sample app is crashing

Hfdfbjkplk — Sat, 13 Jul 2024 02:14:48 GMT

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Re: regrading the device custom attributes reading sample app is crashing