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I am using the particle boron to log various types of timestamped data and I'm sending the data with the timestamps in a particle webhook to IoT Central through the Device Bridge. This is all working fine. However, I need to use the device timestamps, not the arrival timestamps, in IoT Central to graph the data. Given the format constraints of sending webhooks through Device Bridge, is there any other way I can make my device timestamps the default time to plot data in IoT Central? Is there anything I can do to modify the particle webhooks (maybe not possible, but i figured i would ask.).
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@wineisgud4u Thanks for your query. Community SME's on this topic or our team will review your scenario and circle back at the possible earliest time.
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According to https://learn.microsoft.com/azure/iot-central/core/howto-build-iotc-device-bridge - you can include a timestamp in the payload sent to Device Bridge - this timestamp is used in IoT Central. Does that help?
Yes, I did see that reference about sending timestamps in the device payload. And I am sending it this way successfully. The issue is that IoT Central doesn't use the device time stamp as the default, it uses the arrival time when plotting the data. So I either need to force IoT Central to use the device timestamp or I need to send the payload in a way that IoT Central will acknowledge. My understanding is that using an SDK a device can define properties in the payload sent directly to IoT Central that overrides the payload arrival time. But, my payload go through Device Bridge in a webhook. I don't think this option is available. So I'm enquiring to see if there a way to make IoT Central use the device timestamp that arrives through Device Bridge. Make sense?
Hello @wineisgud4u ,
although it is quite some time ago, I had a Particle Photon connected to Azure IoT Central in the past.
The post describes the format of the message to be sent to the webhook/Azure Function.
And you can see the logic on the Azure Function used to construct a valid message for IoT Central.