Re: Input from debug console

On Thu, Jun 30, 2016 at 11:02:53AM -0500, Michael W. Ellis wrote:
> > -----Original Message-----
> > From: [email protected] [mailto:ecos-discuss-
> > [email protected]] On Behalf Of Michael W. Ellis
> > Sent: Thursday, June 30, 2016 9:54 AM
> > To: [email protected]
> > Subject: [ECOS] Input from debug console
> > 
> > My application calls diag_printf() to display information to the debug
> > console using serial port 0 of my processor.  I would like to be able
> > to implement some simple diagnostics that are initiated through the
> > console port.  Is it possible to accept input from the console?  If
> so,
> > how is this done?
> 
> Correction - I'm using the AT91SAM9260 processor and the debug console
> uses a serial port connected to the Debug Unit instead of serial port 0.
> The console device name is "/dev/ttydiag".  Without writing new drivers,
> is it possible to get simple input from this port?
> 

I read from /dev/dbgu on at91sam9363 using such code:

 cyg_io_handle_t serialH;
 err = cyg_io_lookup("/dev/dbgu", &serialH);
 cyg_io_read(serialH,...);

-- 
/Evgeniy

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