Keyboard Input in L4Re Pandaboard ARM

Adam Lackorzynski adam at
Thu Apr 24 23:42:52 CEST 2014


On Fri Apr 25, 2014 at 00:50:00 +0700, Erry Pradana Darajati wrote:
> I have a question about accessing standard I/O
> ​Is it possible to access keyboard using L4Re.
> If it's possible, can i access it using USB keyboard or do i need to access
> the std input from serial ?

Possible yes, but using the serial is much easier.

> The idea of this question because i want to make a simple calculator to
> practice study the stdio of L4Re

Use "REQUIRES_LIBS = libc_be_file_stdin" in your Makefile and getchar
etc. should just work.

Adam                 adam at

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