Open gtortone opened 3 years ago
Thank you for the issue.
I haven't prepared a tutorial in particular, but the following repositories may be helpful.
Hi, thanks a lot for the links ! They are very helpful for me to understand DMA on Zynq. I realized that in your C code you are using DMA in direct-mode... do you have an example to use DMA scatter-gather mode ?
Thanks a lot !
Excuse me. There is no scatter-gather DMA sample. u-dma-buf reserves a "contiguous" memory space in the kernel as a buffer, so we don't use scatter-gather mode.
Hi, thanks for the explanation... but I'm asking if it is possible to use scatter-gather DMA with multiple u-dma-buf kernel buffers... or inside a single u-dma-buf using different sub-buffers...
I have no experience with it, but I think it is possible.
Hi, do you have an example/tutorial to use DMA on Zynq with u-dma-buf ?
I already have a Vivado design with a PL FIFO filled by a counter for Microzed (Zynq-7000) that work with dma-proxy (Xilinx demo) but I'did not find any example on how to use your implementation to receive data from DMA.
Thanks in advance.