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Observer athulya
Observer
91 Views
Registered: ‎08-13-2019

pcie-ar65444 dma interrupt mode

I want to send data to a fifo . I have set the offset. But in the Xilinx script, the command sends an offset everytime to fifo. So the fifio gets overwritten. So when i send data with variable transfer size, i only get the latest data that was added and no previous data is seen. What modiification can be brought in the command?

The command is

$tool_path/dma_to_device -d /dev/xdma0_h2c_0 -f data/datafile0_4K.bin -s $totalsize -a $addrOffset -c $transferCount &

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