gr-ais with osmosdr

Dimitri Stolnikov horiz0n at
Sun Aug 5 19:57:42 UTC 2012

Hi Christian,

On Sun, 05 Aug 2012 20:45:28 +0200, Christian Gagneraud  
<chris at> wrote:

> Hi there,
> I saw a message in the July archive (I wasn't subscribed yet at that  
> date) about updating gr-ais with osmosdr support.
> I was working on the same thing recently, so i decided to publish my  
> fixes on top of Antoine's one.
> The result can be found here:

thanks a lot for sharing your work.

> I got it working with both an FCD and an RTL:
> --rate 96e3 --gain 30 --error -17 -d -D fcd=0
> --rate 1024e3 --gain 30 --error -110 -d -D rtl=0
> Strangely passing freq_err=XX parameter to the source (using -D),  
> doesn't work, the use of --error is thus needed (which will do a  
> set_freq_corr()).

The parameter freq_err was never supported, you may use  
rtl_xtal/tuner_xtal parameters for rtlsdr devices only to specify the real  
xtal value you have measured, this is almost equivalent to calling  
set_freq_corr() function.

Best regards,


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