On Tue, Oct 30, 2018 at 11:25 AM Marcus D. Leech via USRP-users < usrp-users@lists.ettus.com> wrote:
> On 10/30/2018 10:42 AM, Daniel May via USRP-users wrote: > > Is there a way to query the amount of data in the FIFO so that I can wait > until it clears? > > I don't believe so. > There's a method in the core (host side code and FPGA code) but it isn't brought out to the controller: https://github.com/EttusResearch/uhd/blob/master/host/lib/usrp/cores/dma_fifo_core_3000.cpp#L168 The controller is here: https://github.com/EttusResearch/uhd/blob/master/host/lib/rfnoc/dma_fifo_block_ctrl_impl.cpp Add a method and you should be able to, using RFNoC, query the current FIFO usage. Brian
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