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Streaming data from PRU

cmicali
Intellectual 280 points
Other Parts Discussed in Thread: AM3359

Hello,

    I have a PRU program running on AM3359 (beaglebone) that will read data from an external device at about 2Mbytes/sec.  What is the best/recommended way to get the data from the PRU ?  I would like to have a large buffer in a userspace program that is read and processed, with the PRU filling that buffer.  EDMA?  Direct writes from the PRU to DRAM?  Fill the onboard PRU memory and then transfer it off?  Any help would be much appreciated!

Thanks,

Chris