Date: Tue, 22 Apr 2008 16:05:34 -0500 From: David Kelly <dkelly@hiwaay.net> To: Martin McCormick <martin@dc.cis.okstate.edu> Cc: freebsd-questions@freebsd.org Subject: Re: Any Known Issues when using both RS-232 and Native Serial Ports? Message-ID: <20080422210534.GB71378@Grumpy.DynDNS.org> In-Reply-To: <200804222041.m3MKfsRb046822@dc.cis.okstate.edu> References: <200804222041.m3MKfsRb046822@dc.cis.okstate.edu>
next in thread | previous in thread | raw e-mail | index | archive | help
On Tue, Apr 22, 2008 at 03:41:54PM -0500, Martin McCormick wrote: > We have a FreeBSD6.2 system capturing serial data on /dev/ttyd0. > /dev/ttyd1 is currently set up for serial console use and we may > want to add a third serial port to run yet another serial data > capture engine. > > Since receiving serial data is far more problematic than > transmitting it, can anybody think of any particular problem one > might encounter if both the data acquisition ports happened to > be trying to receive data simultaneously? > > The serial console port is not really an issue because > it will be rarely ever used. Problems with two lousy little serial ports running at the same time under FreeBSD? Heck no! Just use something better than a 16 MHz 386SX with 640K and you'll be fine. BTDT, and even that little system had no problems with serial I/O. -- David Kelly N4HHE, dkelly@HiWAAY.net ======================================================================== Whom computers would destroy, they must first drive mad.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20080422210534.GB71378>