[Hackrf-dev] release 2017.02.1

[Brian Gieryk]

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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