Projects/Netlight: Difference between revisions

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== Script ==
== Script ==
#!/bin/sh
#!/bin/sh
 
IP="8.8.8.8"
IP="8.8.8.8"
TIMEOUT="2"
TIMEOUT="2"
GPIO_GREEN="23"
GPIO_GREEN="23"
GPIO_RED="24"
GPIO_RED="24"
 
# no user-servicable parts below
# no user-servicable parts below
 
echo ${GPIO_GREEN} > /sys/class/gpio/export
echo ${GPIO_GREEN} > /sys/class/gpio/export
echo "out" > /sys/class/gpio/gpio${GPIO_GREEN}/direction
echo "out" > /sys/class/gpio/gpio${GPIO_GREEN}/direction
echo ${GPIO_RED} > /sys/class/gpio/export
echo ${GPIO_RED} > /sys/class/gpio/export
echo "out" > /sys/class/gpio/gpio${GPIO_RED}/direction
echo "out" > /sys/class/gpio/gpio${GPIO_RED}/direction
 
while [ 1 ]; do
while [ 1 ]; do
  ping -c 1 -W 2 -qq ${IP} > /dev/null 2>&1
  ping -c 1 -W 2 -qq ${IP} > /dev/null 2>&1
 
  ec=$?
  ec=$?
 
  if [ ${ec} -eq 0 ]; then
  if [ ${ec} -eq 0 ]; then
    echo "1" > /sys/class/gpio/gpio${GPIO_GREEN}/value
    echo "1" > /sys/class/gpio/gpio${GPIO_GREEN}/value
    sleep 3
    sleep 3
    echo "0" > /sys/class/gpio/gpio${GPIO_RED}/value
    echo "0" > /sys/class/gpio/gpio${GPIO_RED}/value
  else
  else
    echo "0" > /sys/class/gpio/gpio${GPIO_GREEN}/value
    echo "0" > /sys/class/gpio/gpio${GPIO_GREEN}/value
    echo "1" > /sys/class/gpio/gpio${GPIO_RED}/value
    echo "1" > /sys/class/gpio/gpio${GPIO_RED}/value
  fi
  fi
done  
done


== Gallery ==
== Gallery ==

Revision as of 13:53, 27 July 2012


Project Netlight
Name Netlight
Start
End
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