[ECOS] Keyboard input (i386)

[Jonathan Larmour]

Leandro wrote:
> Hello, I'm trying to get input from the keyboard in a POS context, i386 
> platform. The only thing I could find in eCos is to open /dev/ttydiag 
> and read from there, but for some reason I still can't understand, 
> everytime I read a byte from there that same byte is written on the 
> screen. If I do not open ttydiag, no echo is shown, and I couldn't find 
> where this behaviour takes place inside the code of the kernel.

The TTY layer defaults to echoing on input, as per CYG_TTY_IN_FLAGS_DEFAULT 
in io/serial/current/include/ttyio.h. You can either set the tty not to 
echo, or use /dev/haldiag instead of /dev/ttydiag.

Jifl
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