c36e4add5a
Signed-off-by: Alex Tereschenko <alext.mkrs@gmail.com> Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
73 lines
2.0 KiB
C
73 lines
2.0 KiB
C
/*
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* Author: Thomas Ingleby <thomas.c.ingleby@intel.com>
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* Contributors: Alex Tereschenko <alext.mkrs@gmail.com>
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* Copyright (c) 2014 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "stdio.h"
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#include "unistd.h"
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#include <signal.h>
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#include "mraa.h"
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int running = 0;
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void
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sig_handler(int signo)
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{
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if (signo == SIGINT) {
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printf("closing down nicely\n");
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running = -1;
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}
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}
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int
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main(int argc, char** argv)
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{
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mraa_result_t r = MRAA_SUCCESS;
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mraa_init();
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fprintf(stdout, "MRAA Version: %s\nStarting Read on IO6 (Ctrl+C to exit)\n", mraa_get_version());
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//! [Interesting]
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mraa_gpio_context gpio;
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gpio = mraa_gpio_init(6);
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mraa_gpio_dir(gpio, MRAA_GPIO_IN);
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signal(SIGINT, sig_handler);
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while (running == 0) {
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fprintf(stdout, "Gpio is %d\n", mraa_gpio_read(gpio));
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sleep(1);
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}
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r = mraa_gpio_close(gpio);
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//! [Interesting]
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if (r != MRAA_SUCCESS) {
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mraa_result_print(r);
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}
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return r;
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}
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