cpu/mc1322x/tests/blink-red.c

   1 /*
   2  * Copyright (c) 2010, Mariano Alvira <mar@devl.org> and other contributors
   3  * to the MC1322x project (http://mc1322x.devl.org)
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. Neither the name of the Institute nor the names of its contributors
  15  *    may be used to endorse or promote products derived from this software
  16  *    without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  28  * SUCH DAMAGE.
  29  *
  30  * This file is part of libmc1322x: see http://mc1322x.devl.org
  31  * for details.
  32  *
  33  * $Id: blink-red.c,v 1.1 2010/06/10 14:55:39 maralvira Exp $
  34  */
  35
  36 #include <mc1322x.h>
  37 #include <board.h>
  38
  39 #define DELAY 400000
  40
  41 #define LED (1ULL << LED_RED)
  42
  43 void main(void) {
  44         volatile uint32_t i;
  45
  46         gpio_pad_dir(LED);
  47
  48         while(1) {
  49
  50                 gpio_data(LED);
  51
  52                 for(i=0; i<DELAY; i++) { continue; }
  53
  54                 gpio_data(0);
  55
  56                 for(i=0; i<DELAY; i++) { continue; }
  57
  58         };
  59
  60 }
  61