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 <[email protected]> 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 <[email protected]> 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 <[email protected]> wrote: >> >> I've adjusted the default gain to 32/48 from 40/62. >> >> On Sun, Jun 28, 2015 at 5:02 PM, Ilker Temir <[email protected]> >> 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 <[email protected]> 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:[email protected] >> <[email protected]>] *On Behalf Of *Ilker Temir >> *Sent:* Monday, 29 June 2015 3:16 AM >> *To:* [email protected] >> *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:[email protected] >> <[email protected]>] *On Behalf Of *Ilker Temir >> *Sent:* Sunday, 28 June 2015 11:49 AM >> *To:* Donald Pupecki >> *Cc:* [email protected] >> *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" <[email protected]> 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 >> [email protected] >> https://pairlist9.pair.net/mailman/listinfo/hackrf-dev >> >> >> >> >> >> >> _______________________________________________ >> >> HackRF-dev mailing list >> >> [email protected] >> >> https://pairlist9.pair.net/mailman/listinfo/hackrf-dev >> >> >> >> _______________________________________________ >> HackRF-dev mailing list >> [email protected] >> https://pairlist9.pair.net/mailman/listinfo/hackrf-dev >> >> >> _______________________________________________ >> HackRF-dev mailing list >> [email protected] >> 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?
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