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Comments (4)

NikaChikovani avatar NikaChikovani commented on July 1, 2024

I think first of all you have to subscribe to the properties topic in order to get notifications about the update. Use function called AzureIoTHubClient_SubscribeProperties() after connecting to the IoT Hub.

from iot-middleware-freertos-samples.

ericwol-msft avatar ericwol-msft commented on July 1, 2024

Please look at sample aziotkit for ESP32.

vHandleWritableProperties is called for twin property updates.

Output should look as follows:

I (24569) MQTT: Packet received. ReceivedBytes=3470.
I (24569) MQTT: De-serialized incoming PUBLISH packet: DeserializerResult=MQTTSuccess.
I (24569) MQTT: State record updated. New state=MQTTPublishDone.
I (24579) AZ IOT: $iothub/twin/PATCH/properties/desired/?$version=24
I (24599) sample_azureiotkit: Telemetry frequency set to once every 10 seconds.
I (24619) AZ IOT: Successfully parsed properties

from iot-middleware-freertos-samples.

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