upm/examples/c/water.c
Mihai Tudor Panu 89d5de43e0 license: update to SPDX style license text throughout
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
2020-03-05 15:13:36 -08:00

58 lines
1014 B
C

/*
* Author: Jon Trulson <jtrulson@ics.com>
* Copyright (c) 2016 Intel Corporation.
*
* This program and the accompanying materials are made available under the
* terms of the The MIT License which is available at
* https://opensource.org/licenses/MIT.
*
* SPDX-License-Identifier: MIT
*/
#include <unistd.h>
#include <signal.h>
#include "water.h"
#include "upm_utilities.h"
int shouldRun = true;
void sig_handler(int signo)
{
if (signo == SIGINT)
shouldRun = false;
}
int main ()
{
signal(SIGINT, sig_handler);
//! [Interesting]
// Instantiate a Water sensor on digital pin D2
water_context sensor = water_init(2);
if (!sensor)
{
printf("water_init() failed.\n");
return(1);
}
while (shouldRun)
{
if (water_is_wet(sensor))
printf("Sensor is wet\n");
else
printf("Sensor is dry\n");
upm_delay(1);
}
//! [Interesting]
printf("Exiting...\n");
water_close(sensor);
return 0;
}