[Hackrf-dev] Adding HackRF support to dump1090

Wed Jul 1 18:34:52 EDT 2015

I was gonna look at UHD too... but won't have the time for a while....so if
anyone else is eager...
On Jul 1, 2015 1:19 PM, "Ilker Temir" <ilker at ilkertemir.com> wrote:

>  Thanks Chris. I renamed it to dump1090_sdrplus from dump1090_hackrf to
> reflect additional SDR device support.
>
> https://github.com/itemir/dump1090_sdrplus
>
> On 7/1/15 10:13 AM, Chris Kuethe wrote:
>
> I've just merged airspy support into dump1090_hackrf. This weekend I'll
> try rip out device-specific airspy/hackrf support in favor of libosmosdr to
> allow compatibility with even more devices
>
> On Sun, Jun 28, 2015 at 6:12 PM, Chris Kuethe <chris.kuethe at gmail.com>
> wrote:
>
>> Great.  The amp is not enabled by default, so that you don't cook your
>> receiver in case you have some strong local sources.
>>
>>  Expect a bit more code churn later tonight; I've almost got airspy
>> support working too.
>>
>> On Sun, Jun 28, 2015 at 6:07 PM, Tom <vsboost at hotmail.com> wrote:
>>
>>> Thanks,
>>>
>>> Its running quite well so far, got 6 planes with these settings and 10
>>> with the lna on.
>>>  On 29 Jun 2015 10:58 am, Chris Kuethe <chris.kuethe at gmail.com> wrote:
>>>
>>> I've adjusted the default gain to 32/48 from 40/62.
>>>
>>> On Sun, Jun 28, 2015 at 5:02 PM, Ilker Temir <ilker at ilkertemir.com>
>>> wrote:
>>>
>>>  Sure, I am glad it's been useful.
>>>
>>>  Default gains are the maximums but they can be adjusted from the CLI
>>> with --vga-gain and --lna-gain options.
>>>
>>> On Jun 28, 2015, at 4:44 PM, Tom <vsboost at hotmail.com> wrote:
>>>
>>>   Thanks for making this, I think the default vga gain of 60 is quite
>>> much, I had better luck with around 28.
>>>
>>>
>>>
>>> Have only been running it for a few min so I cant compare yet.
>>>
>>>
>>>
>>>
>>>
>>> *From:* HackRF-dev [mailto:hackrf-dev-bounces at greatscottgadgets.com
>>> <hackrf-dev-bounces at greatscottgadgets.com>] *On Behalf Of *Ilker Temir
>>> *Sent:* Monday, 29 June 2015 3:16 AM
>>> *To:* hackrf-dev at greatscottgadgets.com
>>> *Subject:* Re: [Hackrf-dev] Adding HackRF support to dump1090
>>>
>>>
>>>
>>> Here it goes: https://github.com/itemir/dump1090_hackrf
>>>
>>> I can get some reception from my window with the standard HackRF antenna.
>>>
>>> Ilkers-MacBook-Pro:dump1090_hackrf itemir$ ./dump1090
>>> No supported RTLSDR devices found.
>>> HackRF successfully initialized (AMP Enable: 0, LNA Gain: 40, VGA Gain:
>>> 62).
>>> *5dab7437d7920a;
>>> CRC: d7920a (ok)
>>> Single bit error fixed, bit 10
>>> DF 11: All Call Reply.
>>>   Capability  : Level 2+3+4 (DF0,4,5,11,20,21,24,code7 - is on airborne)
>>>   ICAO Address: ab7437
>>>
>>> *5fa69b92ccd411;
>>> CRC: ccd411 (ok)
>>> Single bit error fixed, bit 13
>>> DF 11: All Call Reply.
>>>   Capability  : Level 7 ???
>>>   ICAO Address: a69b92
>>>
>>> *5dab9091529b68;
>>> CRC: 529b68 (ok)
>>> Single bit error fixed, bit 24
>>> DF 11: All Call Reply.
>>>   Capability  : Level 2+3+4 (DF0,4,5,11,20,21,24,code7 - is on airborne)
>>>   ICAO Address: ab9091
>>>
>>> Feedback and contributions welcome.
>>>
>>> On 6/27/15 7:27 PM, Tom wrote:
>>>
>>> Well done.
>>>
>>>
>>>
>>> Look forward to trying this out.
>>>
>>>
>>>
>>> *From:* HackRF-dev [mailto:hackrf-dev-bounces at greatscottgadgets.com
>>> <hackrf-dev-bounces at greatscottgadgets.com>] *On Behalf Of *Ilker Temir
>>> *Sent:* Sunday, 28 June 2015 11:49 AM
>>> *To:* Donald Pupecki
>>> *Cc:* hackrf-dev at greatscottgadgets.com
>>> *Subject:* Re: [Hackrf-dev] Adding HackRF support to dump1090
>>>
>>>
>>>
>>> Thanks! signed to unsigned conversion was the culprit. I first tested it
>>> with cox by converting the file and then tweaked my code to do that within
>>> the receive path.
>>>
>>> I now have a working port of dump1090 to HackRF. I need to do some
>>> cleanup but as soon as done, will post it on GitHub and announce on this
>>> forum.
>>>
>>> On 6/27/15 1:29 PM, Donald Pupecki wrote:
>>>
>>> I don't believe hackrf_transfer and rtl_sdr output in the same format.
>>> They are both 8 bit but the hackrf output is signed whereas the rtl output
>>> is unsigned.
>>>
>>> If you get this working a hackrf please post the port on github or
>>> somewhere as that would be sweet.
>>>
>>> On Jun 27, 2015 4:00 PM, "Ilker Temir" <ilker at ilkertemir.com> wrote:
>>>
>>>  Hello,
>>>
>>> I am trying to add HackRF support to Salvatore Sanfilippo's dump1090
>>> tool (https://github.com/antirez/dump1090) as a learning exercise. The
>>> tool was originally designed for RTL SDR devices. However, I can't seem to
>>> get this port to work.
>>>
>>> To eliminate potential issues in my code, I simplified the
>>> troubleshooting steps. Here are the basic set of troubleshooting steps I am
>>> using:
>>>
>>> Per tool's documentation, a data file can be captured with rtl_sdr
>>> utility in the following way:
>>>
>>>         rtl_sdr -f 1090000000 -s 2000000 -g 50 output.bin
>>>
>>> Then you can pipe it into dump1090 like this:
>>>         dump1090 --ifile output.bin
>>>
>>> I made an assumption that the HackRF equivalent of rtl_sdr command above
>>> would be the following:
>>>
>>>         hackrf_transfer -r output.bin -f 1090000000 -s 2000000 -p 0 -a 0
>>> -l 40 -g 62
>>>
>>> However, capturing packets with HackRF this way and piping them into
>>> dump1090 doesn't do anything. I have tried this sitting next to an airport
>>> and capturing packets while planes were landing and taking off. I don't
>>> have an RTL SDR dongle so I can't test the rtl_sdr command myself. It
>>> didn't make to sense to buy a RTL SDR device after HackRF but if I can't
>>> crack this, I am considering to buy one.
>>>
>>> BTW, I also tried different gain settings, and sample rate of 8e6 with
>>> hackrf_transfer, no difference. That said, I never enabled amp_enable.
>>>
>>> Would anyone know if rtl_sdr and hackrf_transfer capture the packets in
>>> the same way and format? Or do I need to do some kind of a conversion or
>>> translation in between the two to make them compatible?
>>>
>>> Any help or idea will be appreciated.
>>>
>>> P.S. I am aware of gr-air-modes for HackRF to decode ADS-B signals. My
>>> goal is to hack dump1090 and add HackRF support as a learning exercise.
>>>
>>> Thanks,
>>>
>>> Ilker
>>>
>>>
>>> _______________________________________________
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>>>
>>>
>>>
>>>
>>>
>>>
>>>  _______________________________________________
>>>
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>>>
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>>>
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>>>
>>>
>>>
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>>>
>>>
>>> _______________________________________________
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>>>
>>>
>>>
>>>
>>>  --
>>> GDB has a 'break' feature; why doesn't it have 'fix' too?
>>>
>>>
>>
>>
>>  --
>> GDB has a 'break' feature; why doesn't it have 'fix' too?
>>
>
>
>
> --
> GDB has a 'break' feature; why doesn't it have 'fix' too?
>
>
> --
>  Ilker Temir
>  <https://twitter.com/IlkerTemir> <https://www.linkedin.com/in/ilkertemir>
>
> _______________________________________________
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> HackRF-dev at greatscottgadgets.com
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>
>
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