On 2009-08-15, Hendrik van Rooyen <hend...@microcorp.co.za> wrote: > On Friday 14 August 2009 16:19:04 Grant Edwards wrote: > >> What platform are you using? I suppose it's possible that >> there's something broken in the serial driver for that >> particular hardware. > > Your experience seems to be exactly the opposite to mine - you > are saying it should "just work" and I am seeing half duplex > functionality.
If you're using Python's normal open()/read()/write() calls, then that introduces all sorts of issues. I always use direct OS calls os.open(), os.read(), os.write(). > Any comments from a Linux Guru? Are you using python file operations open/read/write or OS file-descriptor operations os.open/os.read/os.write? -- Grant -- http://mail.python.org/mailman/listinfo/python-list