/*********************************************************************************
 *      Copyright:  (C) 2019 LingYun IoT System Studio
 *                  All rights reserved.
 *
 *       Filename:  relay.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 08:44:30"
 *                 
 ********************************************************************************/


#include <stdio.h>
#include <wiringPi.h>
#include "relay.h"

void init_relay(void)
{
    pinMode(RELAY_PIN, OUTPUT);
}


void turn_relay(int cmd)
{
    if( OFF == cmd )
    {
        digitalWrite ( RELAY_PIN, LOW );
    }
    else
    {
        digitalWrite ( RELAY_PIN, HIGH );
    }
}