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airspy / airspyhf

Code repository for AirspyHF+
BSD 3-Clause "New" or "Revised" License
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Callback never called #42

Closed srcejon closed 2 years ago

srcejon commented 2 years ago

SDRangel successfully uses this library on Windows + recent versions of Linux, but it doesn't appear to work on MacOS (and in the past there were some reports of it not working on some Linux distributions with USB 3 ports, but OK when forced to USB 2). Functions to set the frequency and sample rate seem OK, but the callback never appears to be called.

It seems that the example airspyhf_rx program doesn't work on MacOS with the same symptoms (Tested using Big Sur using libusb 1.0.26 and 1.0.23), although some say other SDR software can run OK.

Any idea what the problem might be or how to debug? Thanks

srcejon commented 2 years ago

Also, trying to run airspyhf_rx for a second time, results in:

airspyhf_open() failed.

And then you need to unplug the Airspy and plug it back in again.

touil commented 2 years ago

These problems are unrelated to libairspyhf. Check your kernel and libusb.

srcejon commented 2 years ago

As said, I've tried two versions of libsub (1.0.26, which is the latest, and 1.0.23) - which version do you recommend?

Which kernel should be used on MacOS?

touil commented 2 years ago

To be more precise: This is a problem with your system, not our code. Any version of libusb >= 1.0.19 should work, unless it broke the compatibility with your system. As this is still outside our code, you will have to figure it out on your own.