Problem of make some similar functionality like android on linux (Raspbian)

[ddovnar]

Hi everyone! I'm trying to make some functionality, like android. The problem is that, when I write value to enablel nofitication to client configuration descriptor, I've got an error "Write not permitted". In android it works fine. May be I do something wrong.

Android code:

Linux (raspbian):

How can I do that with tinyb?