2014-01-26

Hacking with SDR API gain contols

 

I finally pull requested initial Linux kernel SDR API, after many many review rounds! It will go mainline Kernel 3.15 as it is just a little bit too late for 3.14... Now it is time to design needed controls. I started already from the tuner gain controls, as you likely saw from the picture above. Now there is own controls for LNA, Mixer and RF gain.

I uploaded to GitHub some related software for test. Patches are more than welcome!

Will the Linux be first OS having native SDR support :)
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14 comments:

  1. prog27 January 2014 at 12:01

    Excellent work, Antti. This reminds me of the AIRSPY control interface ;-)
    Really cool to see the ideas converging.

    ReplyDelete
    Replies
    1. Unknown27 January 2014 at 16:14

      It is standard V4L2 control interface, build automatically by app :) Only thing needed was to define those controls. For those gain controls I added 6 controls, value itself and then that boolean for automode. Final version of Mirics driver misses those automode buttons, as driver/hw does not support. But those are visible and active, just like on that picture, when RTL2832 + E4000 / R820T drivers are used (I added already).

      Delete
    2. Unknown27 January 2014 at 16:18

      It is not SDRSharp config UI, but app called V4L2UCP just to be clear :) Have to draw some UI for SDRSharp plugin too...

      Delete
  2. Alexandre Alves Neto31 March 2014 at 16:17

    Good news Antti.
    Thanks a lot.

    ReplyDelete
  3. Asahel1 April 2014 at 09:19

    Good news! John, K7JKZ

    ReplyDelete
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    As of late a spurt in hacking of PC frameworks has opened up a few seminars on moral hacking. ethical hacking pc

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