Installation-gpio-BBB

Difference between revisions from 2014/09/04 23:44 and 2014/09/04 23:42.

open
{{
vim /etc/init.d/gpio
}}
and paste

{{
#!/bin/sh
### BEGIN INIT INFO
# Provides:        gpio
# Required-Start:  $local_fs $syslog
# Required-Stop:   $local_fs $syslog
# Default-Start:   2 3 4 5
# Default-Stop:
# Short-Description: Start gpio
### END INIT INFO

DIR=$(cat /etc/remoteqth-path)
C=1

for GPIO in 66 67 69 68 45 44 23 26 47 46 27 65 22 61 30 60 31 50 48 51 3 2 49 15 14 115 20 7; do
	echo $GPIO > /sys/class/gpio/export
	chmod 666 /sys/class/gpio/gpio$GPIO/value
	chmod 666 /sys/class/gpio/gpio$GPIO/direction
	echo "out" > /sys/class/gpio/gpio$GPIO/direction
	if ! [ -L $DIR/cfg/gpio$C ]; then echo --gpio$C-non-symlink-create; rm $DIR/cfg/gpio$C; /bin/ln -sf /sys/class/gpio/gpio$GPIO/value $DIR/cfg/gpio$C; fi
	C=$((C+1))
done


DIR=$(cat /etc/remoteqth-path)
# Restore the current gpio settings
SAVE=$(cat $DIR/cfg/s-relay-save)
if [ $SAVE -eq 1 ]; then
	# echo SAVE
	NRGPIO='44'
	for NR in `seq 1 $NRGPIO`; do
		if [ -r $DIR/cfg/s-relay-$NR-save ]; then
			SET=$(cat $DIR/cfg/s-relay-$NR-save)
			if [ -w $DIR/cfg/gpio$NR ]; then
				echo $SET > $DIR/cfg/gpio$NR
			fi
		fi
	done
fi
exit 0
}}
enabled with

{{
chmod 774 /etc/init.d/gpio
update-rc.d gpio defaults
}}