Projects/Netlight

From Hackerspace Amersfoort
Revision as of 13:58, 27 July 2012 by Zarya (talk | contribs)
Jump to navigation Jump to search


Project Netlight
Name Netlight
Start 2012-07-27
End 2012-07-29
Contact Piet
Website
Information The network traffic light at haxogreen
Status Production



http://www.youtube.com/watch?v=uxdJv-h0Fks

Script

#!/bin/sh

IP="8.8.8.8"
TIMEOUT="2"
GPIO_GREEN="23"
GPIO_RED="24"

# no user-servicable parts below

echo ${GPIO_GREEN} > /sys/class/gpio/export
echo "out" > /sys/class/gpio/gpio${GPIO_GREEN}/direction
echo ${GPIO_RED} > /sys/class/gpio/export
echo "out" > /sys/class/gpio/gpio${GPIO_RED}/direction

while [ 1 ]; do
  ping -c 1 -W 2 -qq ${IP} > /dev/null 2>&1

  ec=$?

  if [ ${ec} -eq 0 ]; then
    echo "1" > /sys/class/gpio/gpio${GPIO_GREEN}/value
    sleep 3
    echo "0" > /sys/class/gpio/gpio${GPIO_RED}/value
  else
    echo "0" > /sys/class/gpio/gpio${GPIO_GREEN}/value
    echo "1" > /sys/class/gpio/gpio${GPIO_RED}/value
  fi
done

Gallery