testing/examples/ledtest-imx31pdk/test.c

   1 /***************************************************************************
   2  *   Copyright (C) 2009 by Alan Carvalho de Assis                                  *
   3  *   acassis@gmail.com                                                     *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
  17  ***************************************************************************/
  18
  19 void delay()
  20 {
  21         int i;
  22         for (i = 0; i < 500000; i++);
  23 }
  24
  25 /* MAIN ARM FUNTION */
  26 int main (void)
  27 {
  28         volatile unsigned char *led = ((volatile unsigned char *)0xB6020000);
  29
  30         while (1)
  31         {
  32                 *led = 0xFF;
  33                 delay();
  34                 *led = 0x00;
  35                 delay();
  36         } /* FOR */
  37
  38 } /* MAIN */
  39
  40 __gccmain()
  41 {
  42 } /* GCCMAIN */
  43
  44
  45 void exit(int exit_code)
  46 {
  47   while (1);
  48 } /* EXIT */
  49
  50
  51 atexit()
  52 {
  53   while (1);
  54 } /* ATEXIT */
  55
  56