[Hackrf-dev] Raspberry Pis and HackRFs

[Dominic Spill]

On 12 February 2017 at 07:21, Roy <roydxb at me.com> wrote:
>
> The RPi3, which was working earlier, apart from hackrf_sweep:
>
> pi at raspberrypi3:~/hackrf/host/build $ hackrf_info
> Found HackRF board.
> Board ID Number: 2 (HackRF One)
> Firmware Version: 2017.02.1
> Part ID Number: 0xa000cb3c 0x004f4f5b
> Serial Number: 0x00000000 0x00000000 0x14d463dc 0x0f5cafe1
> pi at raspberrypi3:~/hackrf/host/build $ hackrf_sweep
> hackrf_sweep: symbol lookup error: hackrf_sweep: undefined symbol:
hackrf_open_by_serial
>
> So I rebooted and now I get this:
>
> pi at raspberrypi3:~/hackrf/host/build $ hackrf_info
> hackrf_info version: git-0335f1a
> hackrf_info: symbol lookup error: hackrf_info: undefined symbol:
hackrf_library_release

This is picking up an older copy of libhackrf, possibly the previous
install, possibly one from a package manager.

As Martin suggested, using "ldd /usr/local/bin/hackrf_info" should show you
which version is installed, this error message would suggest that it's
picking up 0.4 rather than 0.5.
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