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PWzorek's avatar
PWzorek
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5 years ago

Synthesis error while using interface parameters

Hi I have come across an issue with Quartus synthesis. As shown in the code below, I have defined a simple `data_stream_i` interface and a simple `demux` module (Demux 1 channels to 2 channels usin...
sstrell's avatar
sstrell
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5 years ago

Did you mean to use "typedef" instead of "type"?

  • PWzorek's avatar
    PWzorek
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    5 years ago

    No - I did not. "type" is a keyword for TDATA_T parameter.
    This module can be synthesized if I pass `512` value to TDATA_WIDTH parameter:

    localparam TDATA_WIDTH = 512;

    The rest of this code is correct and does not cause any errors..

    • RichardT_altera's avatar
      RichardT_altera
      Icon for Super Contributor rankSuper Contributor
      5 years ago

      This could be potential bug. I have filed a case to engineering team to check on this.
      Please do expect that any work that involve engineering may takes some time, depending on the issue complexity.

      Best Regards,
      Shyan Yew (Richard)

      • PWzorek's avatar
        PWzorek
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        5 years ago
        Thank you for your response.

        Is there any way I could track progress of resolving this issue?

        Moreover, could You suggest any workaround for this bug?

        Best regards,
        Piotr Wzorek