Line Discipline or Termios lacks ?

[Cedric Aubert]

Thanks, that exactly what I want to known. :-)

--- Thomas Doerfler <Thomas.Doerfler at imd-systems.de>
wrote:
> Hi,
> 
> > 
> > Ok, I want to do this !! :-) But I don't found how
> > termios_ioctl will call my private driver ioctl
> > function.
> > 
> > Termios_icotl have a switch(command) :
> > case KnwonCommand1 :
> > case KnwonCommand2 :
> > case KnwonCommand3 :
> > default : Call line discipline ioctl function
> 
> Well, I would not change the termios code, but
> intercept the 
> ioctl call in your private driver. 
> 
> Whenever an application performs an ioctl call for a
> specific 
> device, then the RTEMS io system calls the "ioctl"
> function in 
> the device driver (e.g. "console_ioctl"). A "nomal"
> driver 
> supporting "termios" will only hand through that
> call to 
> termios_ioctl, in that case the drivers "ioctl"
> function looks 
> like:
> 
> 
> 
> /*
>  * Handle ioctl request.
>  */
> rtems_device_driver console_control(
>   rtems_device_major_number major,
>   rtems_device_minor_number minor,
>   void                    * arg
> )
> { 
>   return rtems_termios_ioctl (arg);
> }
> 
> In your case, you should intercept your own ioctl
> code in this 
> function, so you would change it to:
> 
> /*
>  * Handle ioctl request.
>  */
> rtems_device_driver console_control(
>   rtems_device_major_number major,
>   rtems_device_minor_number minor,
>   void                    * arg
> )
> { 
>   rtems_status_code rc;
>   rtems_libio_ioctl_args_t *args = arg;
> 
>   switch(args->command) {
>     case_MY_IOCTL_CODE_TO_ENABLE_RTS:
>       rc = console_enable_rts(arg);
>       break;
>     case_MY_IOCTL_CODE_TO_DISABLE_RTS:
>       rc = console_disable_rts(arg);
>       break;
>     default: 
>       rc = rtems_termios_ioctl (arg);
>       break;
>   }
>   return rc;
> }
> 
> 
> Does this help a bit?
> 
> wkr,
> 	Thomas.
> 
> 
> > 
> > So How can I do, that's what I don't understand
> and
> > found a solution to do this and use termios ?
> > 
> > > wkr,
> > > 	Thomas.
> >  
> >  
> > 
> > 
> > 
> > =====
> > AUBERT Cedric
> > SDEL Controle Commande
> > rue Nungesser & Coli
> > 44860 St Aignan de Grand Lieu
> > 
> > E-mail : cedric_aubert at yahoo.fr
> > Http : http://www.controle-commande.sdel.fr/
> > 
> > __________________________________
> > Do you Yahoo!?
> > Yahoo! SiteBuilder - Free, easy-to-use web site
> design software
> > http://sitebuilder.yahoo.com
> 
> --------------------------------------------
> IMD Ingenieurbuero fuer Microcomputertechnik
> Thomas Doerfler           Herbststrasse 8
> D-82178 Puchheim          Germany
> email:    Thomas.Doerfler at imd-systems.de
> PGP public key available at: http://www.imd-
> systems.de/pgp_keys.htm
> 


=====
AUBERT Cedric
SDEL Controle Commande
rue Nungesser & Coli
44860 St Aignan de Grand Lieu

E-mail : cedric_aubert at yahoo.fr
Http : http://www.controle-commande.sdel.fr/

__________________________________
Do you Yahoo!?
Yahoo! SiteBuilder - Free, easy-to-use web site design software
http://sitebuilder.yahoo.com