Subversion Repositories or1k

/*

/////////////////////////////////////////////////////////////////////////////

// $Header: /home/marcus/revision_ctrl_test/oc_cvs/cvs/or1k/mw/src/drivers/gsselect_rtems.c,v 1.1.1.1 2002-02-15 09:17:33 markom Exp $

//

// Copyright (c) 2000 - Rosimildo da Silva

//

// MODULE DESCRIPTION:

// This module implements the "GsSelect()" function for Nano-X.

//

// MODIFICATION/HISTORY:

//

// $Log: not supported by cvs2svn $

// Revision 1.1.1.1  2001/06/21 06:32:41  greg

// Microwindows pre8 with patches

//

// Revision 1.1.1.1  2001/06/05 03:44:01  root

// First import of 5/5/2001 Microwindows to CVS

//

//

/////////////////////////////////////////////////////////////////////////////

*/

#include <stdio.h>

#include <errno.h>

#include <rtems/mw_uid.h>

#include "device.h"

/* defined in input_rtems.c */

extern struct MW_UID_MESSAGE m_kbd;

extern struct MW_UID_MESSAGE m_mou;

void

GsSelect(void)

{

  struct MW_UID_MESSAGE m;

  int rc;

  unsigned int timeout = 10;

  /* perform pre-select duties, if any*/

  if(scrdev.PreSelect)

  {

     scrdev.PreSelect(&scrdev);

  }

  /* let's make sure that the type is invalid */

  m.type = MV_UID_INVALID;

  /* wait up to 100 milisecons for events */

  rc = uid_read_message( &m, timeout );

  /* return if timed-out or something went wrong */

  if( rc < 0 )

  {

     if( errno != ETIMEDOUT )

        EPRINTF( " rc= %d, errno=%d\n", rc, errno );

     else

     {

        /* timeout handling */

     }

     return;

  }

  /* let's pass the event up to microwindows */

  switch( m.type )

  {

    /* Mouse or Touch Screen event */

    case MV_UID_REL_POS:

    case MV_UID_ABS_POS:

        m_mou = m;

        while(GsCheckMouseEvent())

             continue;

        break;

    /* KBD event */

    case MV_UID_KBD:

        m_kbd = m;

        GsCheckKeyboardEvent();

        break;

    /* micro-windows does nothing with those.. */

    case MV_UID_TIMER:

    case MV_UID_INVALID:

    default:

       ;

  }

}