Congrats on the awesome work, Mike! This is really cool. The auto trigger & close for file recordings is a nice touch.
You know this could be part of a pretty awesome GRCon talk ;) Cheers, Ben On Mon, May 6, 2019 at 9:17 PM GhostOp14 <ghosto...@gmail.com> wrote: > Hi everyone, > > I've been doing a good bit of satellite work and had the need to blow the > dust off of a discontinued gr-gpredict-doppler OOT module and enhance it. > The goal was to have a state value to pass in and key off of gpredict's > perspective of if the satellite was visible or not for recording purposes > (better yet preventing huge blind-saving files), and to better pass the > doppler frequency through to GNURadio. So I've forked it ( > https://github.com/ghostop14/gr-gpredict-doppler.git) and added a bunch > of new features: > > doppler block: > - Now adds freq output block to make it compatible with other message > blocks like the USRP source > - Now supports AOS / LOS commands from gpredict - a state output message > block compatible with all of the state inputs in the gr-filerepeater block > is also produced. Result: A file record can be triggered to start when a > satellite is in range, then automatically closed when it goes out of range. > - Enhanced the gqrx / gpredict radio control command handling to handle > additional messages and correctly handle exit > > [new] rotor block: > - Accepts inputs from rotctl / gpredict's rotor control. > - Az/El are passed in, interpreted, and packed in an output message with > 'az' and 'el' meta keys > - A basic minimum elevation is added to the block where if the elevation > is > min, an optional state output is produced (1= >= min, 0 is below > min). Again this can be used with the gr-filerepeater adv sink > > [new] az el limit block: > - Allows az/el min/max values to be set. If the rotor block output > az_el is fed into this block, an output state message is produced for > "inside the az/el limits" / outside the az/el limits. Again, this can > interface with the file blocks > > gr-filerepeater (https://github.com/ghostop14/gr-filerepeater.git) has > also gotten a lot of enhancements to help with controlling unsupervised > file writes. The concept of this state 1/0 has worked its way through for > easy file write control. The file sink can also now extract/save > message-based data in exactly the same way streaming data was handled. > > Anyway let me know if there's any other enhancement requests or if you run > into any new issues. > > Enjoy! > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >
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