[Hackrf-dev] release 2017.02.1

[Michael Ossmann]

Brian,

That's great to hear!  My guess is that it was the reduction of power
consumption that helped.  Have you tried running your HackRF off a powered hub?

Mike


On Sat, Feb 11, 2017 at 06:59:15PM -0700, Brian Gieryk wrote:
>
> Before the update, I was running the Hackrf in GQRX on a Raspberry Pi 3B.
> 
> Input rate was 1 Msps, I could only run narrow fm, and I could not run DSP and use my mouse at the same time.  In other words, performance was all but unusable...
> 
> After the update, I can now run 1.5 Msps, my mouse functions, and Wide fm is not great, but it is not overloading the cpu any longer.  In other words, useability increased by a factor of 10, at least!
> 
> Thank you very much to the development team that made this happen!
> 
> Brian
> KE6IYC
> 
> Sent from my iPhone
> 
> > On Feb 11, 2017, at 15:33, Michael Ossmann <mike at ossmann.com> wrote:
> > 
> > Release 2017.02.1 is tagged in git with packages available for download:
> > 
> > https://github.com/mossmann/hackrf/releases
> > 
> > 
> > HackRF 2017.02.1 Release Notes
> > 
> > To upgrade to this release, you must update libhackrf and hackrf-tools on your
> > host computer.  You must also update firmware on your HackRF.  It is important
> > to update both the host code and firmware for this release to work properly.
> > If you only update one or the other, you may experience unpredictable behavior.
> > 
> > Major changes in this release include:
> > 
> > - Sweep mode: A new firmware function enables wideband spectrum monitoring by
> >  rapidly retuning the radio without requiring individual tuning requests from
> >  the host computer.  The new hackrf_sweep utility demonstrates this function,
> >  allowing you to collect spectrum measurements at a sweep rate of 8 GHz per
> >  second.  Thanks to Mike Walters, author of inspectrum, for getting this
> >  feature working!
> > 
> > - Hardware synchronization: It is now possible to wire the expansion headers of
> >  two or more HackRF Ones together so that they start sampling at the same
> >  time.  This is advantageous during phase coherent operation with clock
> >  synchronized HackRFs.  See the -H option of hackrf_transfer.  Thank you, Mike
> >  Davis!
> > 
> > - A new utility, hackrf_debug, replaces three older debug utilities,
> >  hackrf_si5351c, hackrf_max2837, and hackrf_rffc5071.
> > 
> > - Power consumption has been reduced by turning off some microcontroller
> >  features we weren't using.
> > 
> > There have been many more enhancements and bug fixes.  For a full list of
> > changes, see the git log.
> > 
> > Special thanks to Dominic Spill who has taken over much of the software
> > development effort and has helped with nearly every improvement since the
> > previous release!
> > _______________________________________________
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> > HackRF-dev at greatscottgadgets.com
> > https://pairlist9.pair.net/mailman/listinfo/hackrf-dev