1 /*
2 * Author: Thomas Ingleby <thomas.c.ingleby@intel.com>
3 * Copyright (c) 2014 Intel Corporation.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be
14 * included in all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
20 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
22 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23 */
24
25 #include "stdio.h"
26 #include <unistd.h>
27
28 #include "mraa.h"
29
30 int
main(int argc,char ** argv)31 main(int argc, char** argv)
32 {
33 //! [Interesting]
34 fprintf(stdout, "hello mraa\n Version: %s\n", mraa_get_version());
35 mraa_gpio_context gpio;
36 gpio = mraa_gpio_init(2);
37
38 mraa_gpio_use_mmaped(gpio, 1);
39
40 for (;;) {
41 mraa_gpio_write(gpio, 1);
42 usleep(50000);
43 mraa_gpio_write(gpio, 0);
44 usleep(50000);
45 }
46 //! [Interesting]
47 }
48