blob: bb6107a276789d1465b56464e5fde6581ef66636 [file] [log] [blame]
Deokgyu Yang2c7e86b2020-04-28 10:56:11 +09001#!/bin/sh -e
2#
3# blink.sh:
4# Standard "blink" program in wiringPi. Blinks an LED connected
5# to the LED on the Quick2Wire board
6#
7# Copyright (c) 2012-2013 Gordon Henderson. <projects@drogon.net>
8#######################################################################
9# This file is part of wiringPi:
10# https://projects.drogon.net/raspberry-pi/wiringpi/
11#
12# wiringPi is free software: you can redistribute it and/or modify
13# it under the terms of the GNU Lesser General Public License as published by
14# the Free Software Foundation, either version 3 of the License, or
15# (at your option) any later version.
16#
17# wiringPi is distributed in the hope that it will be useful,
18# but WITHOUT ANY WARRANTY; without even the implied warranty of
19# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20# GNU Lesser General Public License for more details.
21#
22# You should have received a copy of the GNU Lesser General Public License
23# along with wiringPi. If not, see <http://www.gnu.org/licenses/>.
24#######################################################################
25
26# LED Pin - wiringPi pin 1 is BCM_GPIO 18.
27
28LED=1
29
30gpio mode $LED out
31
32while true; do
33 gpio write $LED 1
34 sleep 0.5
35 gpio write $LED 0
36 sleep 0.5
37done