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Posted to commits@nifi.apache.org by "Andrew Christianson (JIRA)" <ji...@apache.org> on 2017/05/01 13:03:04 UTC

[jira] [Commented] (MINIFI-219) Create GetUSB processor for reading payloads from connected USB devices

    [ https://issues.apache.org/jira/browse/MINIFI-219?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15990776#comment-15990776 ] 

Andrew Christianson commented on MINIFI-219:
--------------------------------------------

[~jeremy.dyer] How would you implement a general mechanism to format the messages? Wouldn't it depend heavily on the type of device? I.e. scales/temperature might output a flow of floating point values, but each sensor probably has its own drivers and protocols. It seems like there would be too many possibilities to make something general.

> Create GetUSB processor for reading payloads from connected USB devices
> -----------------------------------------------------------------------
>
>                 Key: MINIFI-219
>                 URL: https://issues.apache.org/jira/browse/MINIFI-219
>             Project: Apache NiFi MiNiFi
>          Issue Type: Improvement
>          Components: C++
>            Reporter: Jeremy Dyer
>            Assignee: Jeremy Dyer
>
> LibUSB is a popular framework for interacting with USB devices on host machines. The spirit of this processor will be the periodically pull data from USB devices connected to the host running the minifi c++ instance. This processor is not intended to interact with filesystem connected devices but rather more sensor focused devices like, scales, temperature, etc where those values change periodically and have context around the time the values were acquired. The processor will expose a general mechanism to format the messages received from the USB device and introduce those messages to the nifi flowfile



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