http://www.cnblogs.com/by-dream/p/5195121.html
press.sh
#!/bin/sh
sendevent /dev/input/event6 1 116 1
sendevent /dev/input/event6 0 0 0
echo "down"
sendevent /dev/input/event6 1 116 1
sendevent /dev/input/event6 0 0 0
echo "down"
sendevent /dev/input/event6 1 116 1
sendevent /dev/input/event6 0 0 0
echo "down"
sendevent /dev/input/event6 1 116 1
sendevent /dev/input/event6 0 0 0
echo "down"
sendevent /dev/input/event6 1 116 1
sendevent /dev/input/event6 0 0 0
echo "down"
sendevent /dev/input/event6 1 116 1
sendevent /dev/input/event6 0 0 0
echo "down"
sendevent /dev/input/event6 1 116 1
sendevent /dev/input/event6 0 0 0
echo "down"
sendevent /dev/input/event6 1 116 1
sendevent /dev/input/event6 0 0 0
echo "down"
sendevent /dev/input/event6 1 116 1
sendevent /dev/input/event6 0 0 0
echo "down"
sendevent /dev/input/event6 1 116 1
sendevent /dev/input/event6 0 0 0
echo "down"
sendevent /dev/input/event6 1 116 1
sendevent /dev/input/event6 0 0 0
echo "down"
sendevent /dev/input/event6 1 116 0
sendevent /dev/input/event6 0 0 0
echo "up"