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Merge pull request #1045 from geraldhuber/patch-1 

Update README.md with paragraph about SDR naming (swradio0...255)
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Fredrik Öhrström 2023-10-31 10:12:04 +01:00 zatwierdzone przez GitHub
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@ -64,6 +64,12 @@ wmbus dongles when wmbusmeters startup.
If the serial device (ttyUSB0) might change you can also use `device=im871a:c1,t1` If the serial device (ttyUSB0) might change you can also use `device=im871a:c1,t1`
which will probe all serial devices but only scans for im871a which also speeds it up. which will probe all serial devices but only scans for im871a which also speeds it up.
If you are using a sdr-rtl device, keep in mind that SDR devices are accessed through
character device special files named `/dev/swradio0` to `/dev/swradio255`[^kernel_docs_sdr].
And usually are not found under e.g. `/dev/ttyUSB0`.
[^kernel_docs_sdr]: https://docs.kernel.org/userspace-api/media/v4l/dev-sdr.html?highlight=sdr#software-defined-radio-interface-sdr
If you have to scan serial devices, then remember that some Raspberry PIs are upset when If you have to scan serial devices, then remember that some Raspberry PIs are upset when
random data is sent to `/dev/ttyAMA0` when it is configured in bluetooth mode. random data is sent to `/dev/ttyAMA0` when it is configured in bluetooth mode.
To solve this, add `donotprobe=/dev/ttyAMA0` To solve this, add `donotprobe=/dev/ttyAMA0`