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Altera_Forum's avatar
Altera_Forum
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9 years ago

msgdma stuck in busy state

Hello :) I have a problem with the msgdma. When I submit a descriptor to it and set the go bit it keeps in busy state. I'm using the SoCKit with Cyclone V and Quartus 14.1 The msgdma ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

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So my advice is to configure your mSGDMA burst size to be the same size as your configured maximum transfer size and see what happens. Or at least test with a transfer size that is <= to your configured burst size.

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Hello Bob,

Thanks for your post.

I followed your advice but this didn't solve the problem. You can see my configuration at the picture (https://www.dropbox.com/s/d7174gyidtpgzqf/qsys_msgdma.png?dl=0, I need to do it that way because the forum does resize it when I upload it... unreadable...).

I will keep on trying to get the msgdma to work... I'm open for ideas and hints:confused:

Tom