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dev branch soapy sdr support; how to get parameter and their names #231
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Btw: --gain-element TIA: does not work on a LimeSDR mini. I will set TIA to 0 |
Most of your questions are probably better addressed by the SoapySDR or individual driver documentation.
See https://github.com/pothosware/SoapySDR/wiki/DriverGuide#registration-api
See
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1b4fd18 and 9160dba on the dev branch should fix
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Hi folks,
finally soapy sdr support has been included in the dev branch. But from where can I get all the parameters that are possible for soapy driven devices:
--device select/configure device
--channel select channel if device supports multiple channels (default: 0)
--antenna select antenna (default depends on device)
--bandwidth set the baseband filter width (default: 3MHz, SDRPlay: 5MHz)
--enable-agc enable Automatic Gain Control if supported by device
--gain-element : set gain in dB for a named gain element
To open a device I need to put in
--device device_id=<whatever SoapySDRUtil --find put out>
What else can I put into --device ? What format should/can it have?
From where can I get for antenna names?
From where can I get : for gain settings?
I testet
dump1090 --device-type soapy --device device_id=1 --bandwidth 1800000 --enable-agc
for my rtl-sdr stick.But that seems to no work because the startup gives:
soapy: driver key: RTLSDR
soapy: hardware key: R820T
[R82XX] PLL not locked!
soapy: total gain: 49.6dB; TUNER=49.6dB
soapy: frequency: 1090.0 MHz
soapy: sample rate: 2.4 MHz
soapy: bandwidth: 0.0 MHz
soapy: AGC mode: manual
soapy: antenna: RX
So it looks like --bandwith and --enable-agc has no impact.
The same with a LimeSDR mini look so:
... [INFO] RX LPF configured [INFO] Selected RX path: LNAW [WARNING] Rx LPF min bandwidth is 4MHz when TIA gain is set to -12 dB [INFO] RX LPF configured soapy: total gain: 0.0dB; TIA=0.0dB; LNA=12.0dB; PGA=-12.0dB soapy: frequency: 1090.0 MHz soapy: sample rate: 2.4 MHz soapy: bandwidth: 1.8 MHz soapy: antenna: LNAW soapy: DC offset mode: automatic soapy: DC offset: I=0.000 Q=0.000 ...
Here I can also see how the gain elements are named. Well, but I have to start the program first to get it out.
Maybe @mutability could post some example calls for all that options ?
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