I'm not sure, but I think you can just change the permissions on the device as root?
vincent> su
Password:
[root@vincent epics]# ls -l /dev/ttyS0
crw-rw---- 1 root uucp 4, 64 Apr 21 17:17 /dev/ttyS0
[root@vincent epics]# chmod o+rw /dev/ttyS0
[root@vincent epics]# ls -l /dev/ttyS0
crw-rw-rw- 1 root uucp 4, 64 Apr 21 17:17 /dev/ttyS0
See if that fixes the problem.
Mark
________________________________
From: [email protected] on behalf of zhangdemin99
Sent: Tue 6/5/2007 9:18 PM
To: tech-talk
Subject: problems in running application(ASYN)
Dear all,
I have built ASYN on my computer, but there are some problems when running application. It said: \dev/ttyS0 can't open Permission denied
Should I open the serial port in the Linux first or is there another problems? what should I do next?
many thanks in advance.
demin zhang
________________________________
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