Messages:
+ after reset:
+ init complete
manual open key pressed:
open forced manually
t ... toggle
responce: "Ok", "Error: .*"
s ... status
- response: "Status: closed|opened|<->, opening|waiting|closing|idle"
+ response: "Status: closed|opened|<->, opening|waiting|closing|idle, ajar|shut"
or "Error: .*"
r ... reset
"Ok, closing now" or "Error: .*"
* ... everything else
Error: unknown command
- open/close will only be accepted if Status: ..., idle
+ open/close will only be accepted if Status: ..., idle, ...
otherwise response: Error: Operation in progress
unless error case s will always be accepted