Threading and serial port access

[willie at macleod-group.com]

Diez wrote:

> Apart from that the approach you use is wasting resources - if you are
> concerned about that (or better style...) use e.g. twisted with the
> serial and parallel support and its so-called select reactor. The idea
> behind that concept is that the OS is responsible for scannig IO-Ports.
> It notifies an application about newly arrived data by the system
> function select - which means that your program sits and waits not
> cosuming any resources until actual data arrives. See the module select
> for an overview, and google for "python twisted serial".

Thanks for the help, the code you previously posted worked, but I can
see it could get very messy if the number of ports increased...

I'm going to look at twisted python.  Thanks again for the pointers,
much appreciated.

Regards

William MacLeod