revert old CRSF tests (#113)

[stronnag]

Combines old CRSF test with newer test from #78 (which broke CRSF/OpenTX)

[stronnag]

@rmaia3d could you please test that current master still behaves correctly for your diversity RX ?

[rmaia3d]

Ok, I will test it as soon as possible and report the results!

[rmaia3d]

Sorry for the delay, but finally had some time to test. The telemetry detection works just fine with my diversity Rx's using the lua in master branch.

However, the RFMD detection seems broken. It doesn't detect the packet rate, showing only "50Hz", regardless of what's actually being used.

I did some investigation and it looks like the data.elrs parameter is not being updated accordingly (it is not detecting the ELRS major version). It's value remains as either 0 or -1. I couldn't find the reason for that, as I couldn't locate where the initial ELRS detection calls are made, but I suspect something is broken there.

Previous version of the scripts I was running (from late Feb/2023) was running just fine (and still is). So, some change in master since then probably broke this.

[stronnag]

Thanks. I now have an ELRS RX, so I can check this.

[stronnag]

2.2.2 is working OK here. Displays the correct packet rate as set via the ELRS widget (ELRS 3)

[rmaia3d]

If it is working for you, it probably was a mess up on my part. I will try testing again as soon as possible.