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Nikos Balkanas nikos.balkanas at eyeonix.comOn Tue, Jan 14, 2014 at 1:11 AM, Steve Markgraf <steve at steve-m.de> wrote: > Hi, > > On 13.01.2014 22:26, Nikos Balkanas wrote: > > I need to get a few traffic data bytes ~ 16 B from my dongle. libusb's > > bulk transfer and therefore rtlsdr_read_sync, will fail with -8 if used > > with less than 1024 B. Can anyone think of another way to read them? > > (async also uses libusb's fill_bulk_transfer :-() > > Read more and throw the rest away, what's the issue with that? > But what do you need *16 bytes* for? That's just 62.5盜 of > samples... > Performance is very important, Call is repeated many times. BTW that's what I am using right now, but looking for better. > > I could possibly use rtlsdr_read_array, except that i don't know the > > block and address that I need to use for traffic data :-( > > Those functions trigger control transfers and have nothing to do with > the actual I/Q samples at all, so no, you can't use them. > > I have no idea what you're trying to accomplish, but it seems to me > whatever it is, you are completely off track. > I am not. Control transfers are fine with me. There must be a memory region where traffic I/O takes place. > > Regards, > Steve > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/osmocom-sdr/attachments/20140114/e0b96e28/attachment.htm>