From owner-freebsd-questions Fri Dec 8 22:44:33 1995 Return-Path: owner-questions Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id WAA00153 for questions-outgoing; Fri, 8 Dec 1995 22:44:33 -0800 (PST) Received: from fslg8.fsl.noaa.gov (fslg8.fsl.noaa.gov [137.75.131.171]) by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id WAA00144 for ; Fri, 8 Dec 1995 22:44:26 -0800 (PST) Received: by fslg8.fsl.noaa.gov (5.57/Ultrix3.0-C) id AA02766; Sat, 9 Dec 95 00:39:23 -0600 Received: by emu.fsl.noaa.gov (1.38.193.4/SMI-4.1 (1.38.193.4)) id AA24593; Fri, 8 Dec 1995 23:39:22 -0700 Date: Fri, 8 Dec 1995 23:39:22 -0700 From: kelly@fsl.noaa.gov (Sean Kelly) Message-Id: <9512090639.AA24593@emu.fsl.noaa.gov> To: freebsd-questions@freebsd.org Cc: stark@cs.sunysb.edu, smp@csn.net Subject: tw driver Sender: owner-questions@freebsd.org Precedence: bulk I'm trying to get the tw driver to work but haven't had any luck. It won't detect the TW523 connected to the parallel port. Here's what's up: - This is on FreeBSD 2.0.5. The parallel port's enabled in the BIOS. Micron P66. - Built a connector for the parallel port according to the directions on http://www.freebsd.org/~faulkner/multimedia/HomeAuto/Tw/tw.html. With one small modification: RJ-11 pin 1 (black) goes to both DB-25's pins 12 and 17. The tw source code says it looks at pin 17, but the web document mentioned above talks about 12 being preferred, while 17 is backwards compatible. - Added device tw0 to kernel config, compiled and installed the kernel. - Rebooted. The probe repeatedly calls wait_for_zero(), which never finds the zero crossing signal. Eventually it gives up. - I've tried both cross over modular cable and straight-through. The docs, such as they are, aren't clear which to use. Neither work. What can I do? -- Sean Kelly NOAA Forecast Systems Laboratory, Boulder Colorado USA If you work on a lobster boat, sneaking up behind people and pinching them is probably a joke that gets old real fast. -- Jack Handey