command line stream utilities

[guruofquality]

Expand SoapySDRUtil to provide stream testing and demonstration utilities:

• receive a timed burst
• transmit a timed burst
• receive to a file/or null
• transmit from file/or waveform

Options to provide:

• --frequency
• --clockRate (optional)
• --settings (default empty or dict)
• --tuneArgs (default empty or dict)
• --channel (default 0)
• --streamArgs (default empty or dict)
• --rate (sample rate)
• --gain (number or dict)
• --file (optional)
• --waveform (sine, constant)
• --nsamps (specify for finite burst)
• --time (time from now for timed burst)

[ha7ilm]

Hi Josh,

Thanks for SoapySDR, it's great!

I started to work on this issue, because I wanted to use OpenWebRX with SoapySDR. Some of the described functionality works: https://github.com/ha7ilm/SoapySDR/commits What I have now: --receive, --channel, --frequency, --samplerate, --buffersize

Curently the samples are written to stdout, and it works with OpenWebRX as well.

I would also need real-time control over the parameters (like center frequency), so I'm thinking about using stdin or a named pipe for control.

[Phlat]

Hi. I have SDRPlay on a Raspberry Pi 3. Your SoapySDR is installed (ha7ilm) with the sdrplay driver. How did I use it in the openwebrx config file?

[ha7ilm]

@Phlat Right now this might be an easier way to go: https://github.com/krippendorf/SDRPlayPorts

[ha7ilm]

By the way, the same weekend I was working on this feature, rx_tools was released, which is more complete than my implementation: http://www.rtl-sdr.com/rx_tools-rtl-sdr-command-line-tools-rtl_power-rtl_fm-rtl_sdr-now-compatible-with-almost-any-sdr/

[Phlat]

Thank you. I have rx_tools installed. Is there an example using rx_sdr for openwebrx with the driver=sdrplay? I can't seem to figure it out.

[ha7ilm]

@Phlat No example yet. Please then go with SDRPlayPorts as previously suggested.

[Phlat]

@ha7ilm It's now working with play_sdr.

73