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hiuao
24th March 2007, 11:01
I use qextserialport for serial programming,but I can't open the port from /dev/ttyS0 to /dev/ttyS8.Then I change my right using: usermod -G uucp ..,the result is as the same.
Can anybody tell me why?How can I deal with it?Thank you very much!
high_flyer
24th March 2007, 19:13
what does 'll /dev/ttyS0' return?
When you run the application as root, does it work then?
hiuao
25th March 2007, 09:54
what does 'll /dev/ttyS0' return?
When you run the application as root, does it work then?
Thank you high_flyer for your reply!I used usermod yestoday,but didn't log out.Now I can open the port,I think it is for this reason.Am I right?:(