In message <[EMAIL PROTECTED]>, paul
wrote:
> Before I had posted this question first thing I did was to look at /
> dev/ttyS0, and indeed the group is dialout (gid=20)...
What are the full protections on the serial port? That is, can you post the
output of
ls -l /dev/ttyS0
please?
--
htt
On Aug 26, 5:20 pm, Bjoern Schliessmann wrote:
> paul wrote:
> > If I put these back in and try to run the daemon, the script fails
> > when I try to connect to the serial port, with this error:
> > serial.serialutil.SerialException: Could not open port: [Errno 13]
> > Permission denied: '/dev/tty
paul wrote:
> If I put these back in and try to run the daemon, the script fails
> when I try to connect to the serial port, with this error:
> serial.serialutil.SerialException: Could not open port: [Errno 13]
> Permission denied: '/dev/ttyS0'
Did you check the permissions on this file? Often yo
I am writing a daemon process that reads data from the serial port /
dev/ttyS0. I am using pyserial & the method for setting up a daemon
described in "Chris' Python Page" (http://homepage.hispeed.ch/py430/
python/) on an Ubuntu linux pc.
Everything works great EXCEPT...
in the daemon script, the
