[Hackrf-dev] Why Hackrf only one time run and stop

Dominic Spill dominicgs at gmail.com
Mon Feb 13 15:57:27 EST 2017


On 13 February 2017 at 13:37, Rustu Yucel <rustuyucel at gmail.com> wrote:
>
> After I install gqrx (with guide of gqrx.dk website) I am not able to get
samples from hack rf (firmware 2017.02.1). I am receiving this
> ~$ hackrf_transfer -f 102MHz -r /dev/null
> call hackrf_set_sample_rate(10000000 Hz/10.000 MHz)
> call hackrf_set_freq(102 Hz/0.000 MHz)

You need to specify -f 102e6 or -f 102000000 to receive on 102MHz.

> Stop with Ctrl-C
>  3.4 MiB / 1.000 sec =  3.4 MiB/second

This data rate is very low, it should be around 20MiB/second.  What is the
host system that you are running on?  Is it embedded hardware?

> Exiting... hackrf_is_streaming() result: streaming terminated (-1004)
> Total time: 1.00012 s
> hackrf_stop_rx() done
> hackrf_close() done
> hackrf_exit() done
> fclose(fd) done
> exit
>
> Why only one sample and exiting after? Any help?

Could you give us the output of hackrf_info ?
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