Tweak initial high signal of protocol 3 #33
Merged
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This resolves issue #32 (with a recent Globaltronics GT-FSI-07), and also is necessary
for compatibility with my Brennenstuhl RCS 2044.
However, it might break existing users of protocol 3 (which is why I did not commit this directly).
Unfortunately, I have no idea of which devices that might be. The commit 9f1bf10 which added protocol 3 gives no hints (as far as I could tell) what devices need it. And the Wiki does not mention any device using protocol 3 either.
And of course our receiving code ignores the initial high (which one might consider a bug...) and thus receiving works well with our without this patch. So perhaps the device(s) for which protocol 3 was originally added are fine with this patch, too?