[USRP-users] E310 - Maximal rate for rx_samples_to_file example

Claudio Cicconetti ccicconetti at mbigroup.it
Mon Mar 21 09:10:50 EDT 2016


Dear Roy,
Did you try the --null option? It will do everything except storing the
samples, just in case you suspect the issue may have something to do
with the actual writing part.

Best regards,
Claudio

On 03/21/2016 11:37 AM, רועי via USRP-users wrote:
> Hi,
> 
> What is the maximal sampling rate possible for sampling to a file without getting overflows (E310)?
> 
> I ran the rx_samples_to_file example on the E310 with the default sampling rate (1MHz), and after about a minute I started getting overflows ("O"s).
> 
> Additional info:
> 
> 
> 1.       The E310 image is "fido-rfnoc-test" (http://files.ettus.com/e3xx_images/alpha/fido-rfnoc-test/)
> 
> 2.       The FPGA image is "uhd-images_003.010.rfnoc-282-gab4e9eaa" (http://files.ettus.com/binaries/images/)
> 
> 3.       The "rx_samples_to_file" example was cross-compiled from "rfnoc-devel" branch (https://github.com/EttusResearch/uhd/tree/rfnoc-devel), following the instructions in http://files.ettus.com/manual/page_usrp_e3x0.html#e3x0_sdk.
> 
> 4.       The micro SD card is UHS speed class 1 (10MB/s).
> 
> Thanks,
> Roy
> 
> 
> 
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