firmware/export/tsc200x.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2009 by Rob Purchase
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 #ifndef _TSC200X_H
  23 #define _TSC200X_H
  24
  25 #include <stdbool.h>
  26
  27 /* The TI TSC2003 and TSC2007 touchscreen controllers are largely compatible,
  28    except the TSC2007 filters coordinates using a "median windowed average". */
  29
  30 void tsc200x_init(void);
  31 bool tsc200x_is_pressed(void);
  32 bool tsc200x_read_coords(short* x, short* y);
  33
  34 #endif /* _TSC200X_H */