* Make ButtonThread instance extern
Previously was a static local instance in setup(). Now declared in ButtonThread.cpp, accessible via extern declaration in ButtonThread.
* Extract attachInterrupt() calls to public method; create matching method for detachInterrupt()
* Change suspension of button interrupts for light-sleep
* Fix declaration for ARCH_PORTDUINO
* Remove LOG_DEBUG used during testing
* Don't assume device has a button..
* Guard entire constructor code
* Don't use BUTTON_PIN with ARCH_PORTDUINO
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Co-authored-by: Manuel <71137295+mverch67@users.noreply.github.com>
* Update E-Ink display after sending adhoc ping or disable/enable GPS
* Resume display updates when touch button pressed
* Use touch hold as modifier; change double-click behavior for user button
* Fix preprocessor exclusions
* Purge backlight behavior
* Distinguish between 3x and 4x multi-presses
* Touch button considers "Wake screen on tap or motion" user-setting
* Don't assume device has BUTTON_PIN
* Rename misleading method
