/*********************************************************************************
|
* Copyright: (C) 2019 LingYun IoT System Studio
|
* All rights reserved.
|
*
|
* Filename: infrared.c
|
* Description: This file
|
*
|
* Version: 1.0.0(30/01/19)
|
* Author: Guo Wenxue <guowenxue@gmail.com>
|
* ChangeLog: 1, Release initial version on "30/01/19 03:37:16"
|
*
|
********************************************************************************/
|
|
#include <stdio.h>
|
#include <unistd.h>
|
#include <wiringPi.h>
|
|
/* I/O Pin connected to PIN#16, BCM code pin number is 23 and wPi pin number is 4 */
|
#define INFRARED_PIN 4
|
|
int main (int argc, char **argv)
|
{
|
wiringPiSetup();
|
pinMode(INFRARED_PIN, INPUT);
|
|
while(1)
|
{
|
printf("Infrared monitor: %s\n", digitalRead(INFRARED_PIN)? "Someone is closing!":"No one nearby!");
|
sleep(1);
|
}
|
|
|
return 0;
|
}
|
