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/*
* Author: Brendan Le Foll <brendan.le.foll@intel.com>
* Author: Thomas Ingleby <thomas.c.ingleby@intel.com>
* Copyright (c) 2014 Intel Corporation.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "mraa.hpp"
#define DEFAULT_IOPIN 8
static int iopin;
int running = 0;
void
sig_handler(int signo)
{
if (signo == SIGINT) {
printf("closing IO%d nicely\n", iopin);
running = -1;
}
}
int
main(int argc, char** argv)
{
if (argc < 2) {
printf("Provide an int arg if you want to flash on something other than %d\n", DEFAULT_IOPIN);
iopin = DEFAULT_IOPIN;
} else {
iopin = strtol(argv[1], NULL, 10);
}
signal(SIGINT, sig_handler);
//! [Interesting]
mraa::Gpio* gpio = new mraa::Gpio(iopin);
if (gpio == NULL) {
return mraa::ERROR_UNSPECIFIED;
}
mraa::Result response = gpio->dir(mraa::DIR_OUT);
if (response != mraa::SUCCESS) {
mraa::printError(response);
return 1;
}
while (running == 0) {
response = gpio->write(1);
sleep(1);
response = gpio->write(0);
sleep(1);
}
delete gpio;
return response;
//! [Interesting]
}
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