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Altera_Forum's avatar
Altera_Forum
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16 years ago

dma usage

I'm using alt_dma_txchan_send () to send data over a DMA channel, unfortunately it fails. I didn't find any error code explanation for this function. The only thing I know is that when it fails a neg...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

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alt_dma_txchan_ioctl(tx,ALT_DMA_TX_ONLY_ON,0);

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Is the '0' correct? That's your tx address...