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Altera_Forum's avatar
Altera_Forum
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12 years ago

Stream to Memory sgdma problem

I am having two problems with the sg-dma in my system. My first issue is that the sg-dma ready signal goes low after the first element of streaming data, then returns high on the third. This causes...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

The printf() function is probably using interruption itself to write to the JTAG UART, so you can't call it from an ISR or a DMA transfer callback function. If this is what you are doing then it could explain why the system hangs.