# cat pump.sh
#!/bin/bash
#pumps are timer based, and run the first 15 minutes of every hour.  We
#might do a 2 pin dip switch at some point to adjust this, but this is
#not yet supported. EG:
#00 = 0
#01 = 15
#10 = 30
#11 = 45
#REMEMBER NOT YET SUPPORTED
########################################
#Changelog:
#5/10/12 initial version (runs in crontab)

#first we check if the pin exists
if ! [ -d /sys/devices/virtual/gpio/gpio7 ];
#echo "GPIO EXISTS"
then
#echo "CREATING GPIO"
echo "7" > /sys/class/gpio/export
fi


#/sys/devices/virtual/gpio/gpio7/
#we check the pin direction
DIRECTION=`cat /sys/devices/virtual/gpio/gpio7/direction`
#echo ${DIRECTION}
if [ "${DIRECTION}" = "in" ]; then
#echo "SETTING IN TO OUT"
echo "out" > /sys/devices/virtual/gpio/gpio7/direction
fi

#turn on pump
#echo "TURNING ON PUMP"
echo "1" >  /sys/devices/virtual/gpio/gpio7/value
sleep 900
#echo "TURNING OFF PUMP"
echo "0" > /sys/devices/virtual/gpio/gpio7/value