9600, 8n1 '?' : get 9 char lock id 'a' : open 'a' lock 'b' 'c!' : init lock 'd' + key-id + '\r' : delete key (7 char key-id), 11 char reply 'e' 'f' 'g' 'h' : switch to host mode 'i' 'j' 'k' 'l' 'm' : memory dump? 'n' + key-id + '\r' : add key (7 char key-id), 11 char reply 'o' : open lock 'p' 'q' 'r' : reset 's' : get lock list, terminated by 9-char ??? 't' 'u' 'v' 'w' 'x' 'y' 'z'