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Forum IOT Central doesn't receive telemetry / events?
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IOT Central doesn't receive telemetry / events?

alexpawlak
alexpawlak over 6 years ago

Hey there!

I tried to follow Azure IOT Central blog by @bwilless to get started with Avnet Azure Sphere, but seemingly something's wrong with what I did and I have no idea how to troubleshoot it.

 

First off - the device get's provisioned - so the connectivity is there. Wifi is connected, all working fine, IOTHubClient is accepting the message but never sends it to Azure IOT central...


[Info] Sending telemetry: {"gX":"95.8920", "gY":"-6.9540", "gZ":"1003.5720", "pressure": "997.65", "aX": "-0.07", "aY": "-0.07", "aZ": "0.00"}
[Azure IoT Hub client] INFO: IoTHubClient accepted the message for delivery

LSM6DSO: Acceleration [mg]  : 96.0140, -6.7100, 1003.3280
LSM6DSO: Angular rate [dps] : -0.07, 0.00, 0.00
LSM6DSO: Temperature  [degC]: 37.30
LPS22HH: Pressure     [hPa] : 997.67
LPS22HH: Temperature  [degC]: 35.64

[Info] Sending telemetry: {"gX":"96.0140", "gY":"-6.7100", "gZ":"1003.3280", "pressure": "997.67", "aX": "-0.07", "aY": "0.00", "aZ": "0.00"}
[Azure IoT Hub client] INFO: IoTHubClient accepted the message for delivery

On one of the screenshots there is a step: "[INFO] Connection to IOT Hub has been established" - I think I've never seen it in the output.

Any idea how to troubleshoot Azure IOT Central connectivity ?

Thanks for any help!

Alex Pawlak




Avnet's Azure Sphere Starter-Kit (Out of Box Demo) Part 3 of 3




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  • bwilless
    bwilless over 6 years ago +2 verified
    Hi Alex, There are a couple of tools that you can use to see data going to Azure. For IoT Central you can use the iotc-explorer utility. Details on the tool and how to use it are here: https://github.com…
  • bwilless
    bwilless over 6 years ago +2 suggested
    Some other thoughts . . . Did you update your "allowed connections" entry in the app_manifest.json file with the IoT Hub FQDN? The OS will not allow any data to an FQDN that's not listed in this section…
  • alexpawlak
    alexpawlak over 6 years ago in reply to bwilless +1
    Hey! I'm quite sure it has been network-related. For some reason my ISP has been blocking the connection. I have created a new Wifi profile for my mobile hotspot and the app started running perfectly fine…
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  • bwilless
    0 bwilless over 6 years ago

    Some other thoughts . . .

     

    Did you update your "allowed connections" entry in the app_manifest.json file with the IoT Hub FQDN?  The OS will not allow any data to an FQDN that's not listed in this section.

     

    Did you set the build options to use IoT Central as opposed to IoT Hub?

     

    Brian

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  • bwilless
    0 bwilless over 6 years ago

    Some other thoughts . . .

     

    Did you update your "allowed connections" entry in the app_manifest.json file with the IoT Hub FQDN?  The OS will not allow any data to an FQDN that's not listed in this section.

     

    Did you set the build options to use IoT Central as opposed to IoT Hub?

     

    Brian

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