Thank you Steve for the quick response. (sorry i think it sent it
directly to your email)
I am using an x86/x64 system.
I have tried with both the one bundled with Debian and the compiled one
linked in the git repo.
Occasionally the Zero buffer does pop up, there are no errors or
warnings that come with it, just no data seams to be found
germano@weewx:~$ $GOPATH/bin/rtldavis -tf US -tr 1 -ppm -14
22:38:14.085423 rtldavis.go VERSION=0.15
22:38:14.094201 tr=1 fc=0 ppm=-14 gain=0 maxmissed=51 ex=0
receiveWindow=300 actChan=[0] maxChan=1
22:38:14.094250 undefined=false verbose=false disableAfc=false
deviceString=0
22:38:14.094526 BitRate: 19200
22:38:14.094538 SymbolLength: 14
22:38:14.094545 SampleRate: 268800
22:38:14.094552 Preamble: 1100101110001001
22:38:14.094559 PreambleSymbols: 16
22:38:14.094566 PreambleLength: 224
22:38:14.094572 PacketSymbols: 80
22:38:14.094579 PacketLength: 1120
22:38:14.094585 BlockSize: 512
22:38:14.094592 BufferLength: 2048
Found Rafael Micro R820T tuner
22:38:46.554454 Hop: {ChannelIdx:0 ChannelFreq:902419338 FreqError:0
Transmitter:0}
Exact sample rate is: 268800.001367 Hz
22:38:46.823028 GetTunerGain: 0 Db
22:38:46.823774 SetFreqCorrection 0 ppm Successful
22:38:46.830107 Init channels: wait max 135 seconds for a message of
each transmitter
22:41:02.643549 Init channels: wait max 135 seconds for a message of
each transmitter
22:41:02.645021 Hop: {ChannelIdx:0 ChannelFreq:902419338 FreqError:0
Transmitter:0}
On Wed, 2020-09-23 at 14:08 -0700, Steve Wormley wrote:
> If you're using the version from: https://github.com/lheijst/rtldavis
> it should just work provided you told it "-tr US" and provided any
> ppm correction.
>
> Now, the one problem you may have is if you're using the system
> provided librtlsdr, and if it's saying something about Zero Copy
> Buffers, not sure if it's a problem on x86/amd64 but the Raspberry
> Pi's definitely didn't like it. Unless they fixed that you'll need to
> uninstall the system librtlsdr and compile one from scratch per the
> instructions and give it the -DENABLE_ZEROCOPY=0 flag when compiling.
> (Or set LD_LIBRARY_PATH to your version if you don't want to remove
> the system version)
>
> -Steve
>
>
>
>
>
> On Wed, Sep 23, 2020 at 1:06 PM Germano S <[email protected]> wrote:
> > Hello,
> > Just checking in if there is still development on this driver.
> >
> > I was given a used Vantage pro (US) a not to long a ago. I have
> > installed everything as far as i can tell, but rtldavis reports no
> > data being transmitted which makes me think my frequencies are
> > incorrect.
> >
> > I am running on Debian 10 (Buster) with Weewx 4.1.1 along with an
> > RTL-SDR V3 which has been calibrated. I am scanning the frequencies
> > to see if i can find anything.
> >
> > If anyone can give me a bit of further direction or if anyone has
> > succeeded i would be most appreciative. :)
> >
> >
> >
> >
> >
> > On Friday, May 10, 2019 at 5:45:24 PM UTC+1 [email protected]
> > wrote:
> > > Luc
> > >
> > > Is there a way to put the Channel Id, Channel Freq, and Error
> > > into the LOOP packet with the data? I looked through rtldavis.py
> > > but could not find a the spot.
> > >
> > > Rich
> > >
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