Talking to RPI over UART

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Michael Stumpf

• May 20, 2024 13:43

My team is planning on integrating an RPI to the ICT in order to do some custom testing. This article here https://docs.pltcloud.com/acc/ppc/yocto/# describes how to build a custom yocto image for the RPI to communicate with it through the Test Plan. 

This article doesn't say the yocto build is mandatory just that it "sets the SPC up for easy integration with a PLT test plan." I would like some to confirm if the yocto build is required to communicate with the RPI through the test plan or not. 

If this is required is there anyway to just get the image from Blue Clover for the RPI 4 B instead of setting up yocto locally?  

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  Ivo Clarysse

  • June 03, 2024 12:22

  The Yocto layer and images described in https://docs.pltcloud.com/acc/ppc/yocto/
  are meant to facilitate UART integration with getty, automatic login already set up.
  
  uart interaction in a YAML test plan can be used to interact with any Linux system

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  Michael Stumpf

  • May 28, 2024 17:41

  You do not need to use their image to talk to the raspberry pi over UART. You will need to enable automatic login for a user on the raspberry pi before trying to send a command. 

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