mirror of
https://github.com/eclipse/upm.git
synced 2025-03-17 05:57:29 +03:00
60 lines
1.2 KiB
C
60 lines
1.2 KiB
C
/*
|
|
* Author: Jon Trulson <jtrulson@ics.com>
|
|
* Copyright (c) 2015 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 <upm_utilities.h>
|
|
#include <rpr220.h>
|
|
|
|
int shouldRun = true;
|
|
|
|
void sig_handler(int signo)
|
|
{
|
|
if (signo == SIGINT)
|
|
shouldRun = false;
|
|
}
|
|
|
|
|
|
int main()
|
|
{
|
|
signal(SIGINT, sig_handler);
|
|
|
|
//! [Interesting]
|
|
// This example uses a simple method to determine current status
|
|
|
|
// Instantiate an RPR220 digital pin D2
|
|
// This was tested on the Grove IR Reflective Sensor
|
|
rpr220_context sensor = rpr220_init(2);
|
|
|
|
if (!sensor)
|
|
{
|
|
printf("rpr220_init() failed\n");
|
|
return 1;
|
|
}
|
|
|
|
while (shouldRun)
|
|
{
|
|
if (rpr220_black_detected(sensor))
|
|
printf("Black detected\n");
|
|
else
|
|
printf("Black NOT detected\n");
|
|
|
|
upm_delay_ms(100); // 100ms
|
|
}
|
|
|
|
printf("Exiting...\n");
|
|
|
|
rpr220_close(sensor);
|
|
//! [Interesting]
|
|
return 0;
|
|
}
|