/*********************************************************************************
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* Copyright: (C) 2019 LingYun IoT System Studio
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* All rights reserved.
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*
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* Filename: relay.c
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* Description: This file
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*
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* Version: 1.0.0(30/01/19)
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* Author: Guo Wenxue <guowenxue@gmail.com>
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* ChangeLog: 1, Release initial version on "30/01/19 08:44:30"
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*
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********************************************************************************/
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#include <stdio.h>
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#include <unistd.h>
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#include <libgen.h>
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#include <string.h>
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#include <wiringPi.h>
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#include "relay.h"
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int main (int argc, char **argv)
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{
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if( argc != 2 )
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{
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printf("Usage: %s [on/off]\n", basename(argv[0]));
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return -1;
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}
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wiringPiSetup();
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relay_init();
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if( !strstr(argv[1], "on") || !strstr(argv[1], "on") )
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{
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turn_relay(ON);
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}
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else if( !strstr(argv[1], "off") || !strstr(argv[1], "off") )
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{
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turn_relay(OFF);
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}
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return 0;
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}
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void relay_init(void)
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{
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pinMode(RELAY_PIN, OUTPUT);
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}
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void turn_relay(int cmd)
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{
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if( OFF == cmd )
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{
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digitalWrite ( RELAY_PIN, HIGH );
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}
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else
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{
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digitalWrite ( RELAY_PIN, LOW );
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}
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}
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