I am writing a program that will output already contracted braille to a braille display and reads keys (to move through the text).
I'd appreciate advice on two issues: When I execute the test program I am told that the driver doesn't support 'raw' mode. brltty: isRawCapable(trueBraille) not met: driver doesn't support Raw mode I do not want to associate a terminal with the program (there is none relevant.. this will run on an embedded device running Linux without a screen). How do I do this with brlapi ? Can I need to create a dummy terminal or is there a work around? I need to run the program with root privilages even though I am in the 'brlapi' group. Why would that be ? $ ./brlAPItest brlapi_openConnection: Authentication failed $ groups michael wheel cdrom uucp dialout video lock tomcat brlapi fuse This is on a Fedora 24 system. and a bonus question ... I need to use the CONTROLVT option to avoid the error "Can't determine tty number". It does run in the text only pseudo terminal just not in the GUI (Gnome Terminal 3.20.2) $ sudo CONTROLVT=2 ./brlAPItest Driver name: HumanWare Braille display has 1 line of 32 columns Trying to enter in raw mode... brlapi_enterRawMode: Operation not supported Taking control of the tty... Ok Writing to braille display... Ok Waiting until a braille key is pressed to continue... got it! (code=20) type 0, command 0, argument 32, flags 0 type SYM, command LATIN1, argument 32, flags Leaving tty... Ok
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