[Hackrf-dev] Adding HackRF support to dump1090

Wed Jul 1 18:39:52 EDT 2015

At the risk of getting too off-topic I'm going to look at adding libosmosdr
support, and let it handle all the different hardware types.

On Wed, Jul 1, 2015 at 3:34 PM, Donald Pupecki <pupeckd at sunyit.edu> wrote:

> 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
>>>>
>>>>
>>>> _______________________________________________
>>>> HackRF-dev mailing list
>>>> HackRF-dev at greatscottgadgets.com
>>>> https://pairlist9.pair.net/mailman/listinfo/hackrf-dev
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>  _______________________________________________
>>>>
>>>> HackRF-dev mailing list
>>>>
>>>> HackRF-dev at greatscottgadgets.com
>>>>
>>>> https://pairlist9.pair.net/mailman/listinfo/hackrf-dev
>>>>
>>>>
>>>>
>>>>  _______________________________________________
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>>>> HackRF-dev at greatscottgadgets.com
>>>> https://pairlist9.pair.net/mailman/listinfo/hackrf-dev
>>>>
>>>>
>>>> _______________________________________________
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>>>> HackRF-dev at greatscottgadgets.com
>>>> https://pairlist9.pair.net/mailman/listinfo/hackrf-dev
>>>>
>>>>
>>>>
>>>>
>>>>  --
>>>> 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>
>>
>> _______________________________________________
>> HackRF-dev mailing list
>> HackRF-dev at greatscottgadgets.com
>> https://pairlist9.pair.net/mailman/listinfo/hackrf-dev
>>
>>

-- 
GDB has a 'break' feature; why doesn't it have 'fix' too?
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