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JLee25's avatar
JLee25
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1 month ago

VVP Protocol Converter Not work

Hello,   I am looking for how to use the VVP protocol converter, by converting Altera Stream Video Lite to Avalon Streaming Video.   I generate a simple pipeline with Protocol Converter to Frame Bu...
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JLee25's avatar
JLee25
Icon for Contributor rankContributor
1 month ago

Hi Wincent_Altera​ ,

  I instantiate a VVP Chroma ReSampler by converter YCC 422 to 444.

For unknown reason, the CRS did not set the Tready even after updating the registers.

And I did not see the Tready raised high after reset.

This behavior is not as mentioned in UG page 21..

Any suggestion for me to check.

Thank you.

JLee25's avatar
JLee25
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1 month ago

Hi Wincent_Altera​ ,

  I have update on this issue..

I instantiate IP core one by one and it's fine except the VVP protocol converter, LITE to Avalon Stream..

For unknown reason, the Sink side ready always kept now..

Thanks for supporting.

Best Regards,

  • Wincent_Altera's avatar
    Wincent_Altera
    Icon for Regular Contributor rankRegular Contributor
    1 month ago

    Hi JLee25 ,

    Based on what you provided, 
    most likely remaining cause is that the MM writes are not reaching the compiled Protocol Converter instance correctly—
    for example, wrong base address/offset, incorrect byte addressing, or an inactive control-interface clock/reset domain.
    Can you please check from there ?

    Regards,
    Wincent_Altera