[HIBIKE] Fix hang in device detection (#365)
[HIBIKE] Fix hang in device detection (#365)

* Find sensors even when some serial ports send no data

* Use write timeout

* Revert changes

* Enforce detection timeout by closing port

* Attempt to enforce write timeout

* Use write instead of read timeout

* Just skip serial ports that time out

* Don't close serial ports if they don't respond

* Move constant to top of file

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