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?
--
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, there
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 you
On Aug 26, 5:20 pm, Bjoern Schliessmann usenet-
[EMAIL PROTECTED] 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