wiringPi_Blueberry/examples/q2w/blink.c
2023-08-11 15:53:17 +08:00

51 lines
1.4 KiB
C

/*
* blink.c:
* Simple "blink" test for the Quick2Wire interface board.
*
* Copyright (c) 2012-2013 Gordon Henderson. <projects@drogon.net>
***********************************************************************
* This file is part of wiringPi:
* https://projects.drogon.net/raspberry-pi/wiringpi/
*
* wiringPi is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* wiringPi is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with wiringPi. If not, see <http://www.gnu.org/licenses/>.
***********************************************************************
*/
#include <stdio.h>
#include <wiringPi.h>
#define LED 1
int main (void)
{
// Enable the on-goard GPIO
wiringPiSetup () ;
printf ("Raspberry Pi - Quick2Wire Mainboard LED Blink Test\n") ;
pinMode (LED, OUTPUT) ;
for (;;)
{
digitalWrite (LED, HIGH) ;
delay (500) ;
digitalWrite (LED, LOW) ;
delay (500) ;
}
return 0 ;
}