Hi Marcus, I doubted my way is not a good solution. Thanks for your confirmation. I'll just use the audio source.
Regards, Edwin Müller, Marcus (CEL) <muel...@kit.edu>于2018年7月6日周五 下午3:42写道： > There's no "data rate" on these GPIO pins; you'd have to bitbang them. > Interfacing with a digital microphone won't work, as you can't ask > their binary states quick enough. > > Honest recommendation: Use anything else to connect your microphone to > your PC – if you have a microphone for which an audio driver exists, > you can directly use it in GNU Radio via the Audio Source. > > Best regards, > Marcus > > On Fri, 2018-07-06 at 13:35 -0600, Edwin Li wrote: > > Dear Mailing List Subscribers, > > > > There is an aux IO on the USRP X310 motherboard. I want to connect it > > with a microphone(Assume it outputs 12-bit digital signal that is > > compatible with the IO). I found very little information on how to > > use the IO other than the USRP manual( http://files.ettus.com/manual/ > > page_gpio_api.html). There are a few people talking about it on the > > list but their applications are very different from mine. > > > > My question is that is it possible to read values from the IO using > > GNURadio functions? How does GNURadio know the data rate of the IO? > > > > Thanks. > > > > Regards, > > Edwin > > _______________________________________________ > > Discuss-gnuradio mailing list > > Discuss-gnuradio@gnu.org > > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
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