I haven't tried this yet but I don't think I can use NFS to set /sys/class/gpio/gpio48/value remotely on a beaglebone. I think I read you could do this a different way but I would really like to write to a file on remote server and have it set /sys/class/gpio/gpio48/value locally on beaglebone. I don't know how to link these two files up. I am using java to program but I don't think that should make a big difference.
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Not sure if NFS will work this way to but I was able to set the value of /sys/class/gpio/gpio48/value remotely using sshfs. Anyone interested in doing to same install sshfs on both host linux machine and beaglebone. From beaglebone ssh -R 2000:localhost:22 root@<pc ipaddress maybe 192.168.7.1 or 192.168.7.3>. From host linux machine after ssh into it from beaglebone mkdir /mnt/remoteBB; sshfs -p2000 -o allow_other root@localhost:/ /mnt/remoteBB/. You can then set the value file.
Example workflow
On beaglebone:
[root@alarm ~]# cat /sys/class/gpio/gpio48/value
1
On host linux machine
root@scw-27ca2d:~# cat /mnt/remoteBB/sys/class/gpio/gpio48/value
1
root@scw-27ca2d:~# echo 0 > /mnt/remoteBB/sys/class/gpio/gpio48/value
root@scw-27ca2d:~# cat /mnt/remoteBB/sys/class/gpio/gpio48/value
0
On beaglebone:
[root@alarm ~]# cat /sys/class/gpio/gpio48/value
0
Cheers!
James
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