Re: [Tutor] IOError with fcntl.ioctl

2005-08-17 Thread Alan G
> Crave pardon if that question of mine was too basic to merit a > reply, More likely it was too complex! :-) That post would have been appropriate on comp.lang.python, this list is usually more concerned with basic questions like "how does a while loop work?"! But we do usually try to answer

Re: [Tutor] IOError with fcntl.ioctl

2005-08-16 Thread Richi
Hi, All. Crave pardon if that question of mine was too basic to merit a reply, but I couldn't find anything by searching. Newbie Python user here. I finally did find the answer and thought I'd post it in case someone might come along with the same question. The problem is with the way I was us

[Tutor] IOError with fcntl.ioctl

2005-08-16 Thread Richi
Hi, I'm trying to get the number of bytes available on an open serial device (on Linux). I try the following commands: >>> import os >>> import fcntl >>> import termios >>> fd = os.open ("/dev/ttyS0", os.O_RDWR) >>> fcntl.ioctl (fd, termios.TIOCINQ) and after the last line I get the follow