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2 /dev/ttyUSB0: door key printer
7 manual open key pressed:
10 manual close key pressed:
13 closing or opening finished
14 Status: closed|opened, idle
16 closing or opening timeout:
17 Error: open/close took too long!
21 response: "Ok", "Already closed", "Error: .*"
23 response: "Ok", "Already opened", "Error: .*"
25 response: "Status: closed|opened|<->, opening|waiting|closing|idle"
28 "Ok, closing now" or "Error: .*"
30 Error: unknown command
32 open/close will only be accepted if Status: ..., idle
33 otherwise response: Error: Operation in progress
35 unless error case s will always be accepted
37 Reset overrules all other operations in progress
39 if an error occured every command besides r gets ingnored and
40 Error: last open/close operation took too long!
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