Smart-Its Headers: C:/svn/SmartITs/headers/gp2d120.h Source File

00001 /***************************************************************************
00002  *   Copyright (C) 30.4.2004 by                                           *
00003  *   Matthias Kranz (matthias.kranz@ifi.lmu.de)                            *
00004  *   Paul Holleis (paul.holleis@ifi.lmu.de)                                *
00005  *                                                                         *
00006  *   header file for standard SmartITs definitions.                        *
00007  *                                                                         *
00008  *                                                                         *
00009  *   This program is free software; you can redistribute it and/or modify  *
00010  *   it under the terms of the GNU General Public License as published by  *
00011  *   the Free Software Foundation; either version 2 of the License, or     *
00012  *   (at your option) any later version.                                   *
00013  *                                                                         *
00014  *   This program is distributed in the hope that it will be useful,       *
00015  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
00016  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
00017  *   GNU General Public License for more details.                          *
00018  *                                                                         *
00019  *   You should have received a copy of the GNU General Public License     *
00020  *   along with this program; if not, write to the                         *
00021  *   Free Software Foundation, Inc.,                                       *
00022  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
00023  **************************************************************************/
00024 /******************************************************************************
00025  * defines
00026  *****************************************************************************/
00027 #ifndef __GP2D120
00028   #define __GP2D120
00029 #endif
00030 
00032 #define GP2D120_MAX 1024
00033 
00034 #define GP2D120_MIN 0
00035 /******************************************************************************
00036  * global variables
00037  *****************************************************************************/
00038 
00039 /******************************************************************************
00040  * function signatures
00041  *****************************************************************************/
00042 long read_gp2d120_raw();
00043 
00044 /******************************************************************************
00045  * Code
00046  *****************************************************************************/
00052 long read_gp2d120_raw() 
00053 {
00054         long distance_raw = 0;
00055         // adc channel 2 (port a2) for the new distscroller board, 0 for the old.
00056         set_adc_channel(2);
00057         delay_ms(2);
00058         distance_raw = read_adc();
00059         return(distance_raw);
00060 }