Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!ames!elroy!orion.cf.uci.edu!oberon!pollux.usc.edu!papa
From: papa@pollux.usc.edu (Marco Papa)
Newsgroups: comp.sys.amiga.tech
Subject: Re: DTR and serial.device
Keywords: DTR serial
Message-ID: <15303@oberon.USC.EDU>
Date: 11 Feb 89 07:51:01 GMT
References: <11543@gryphon.COM> <5882@cbmvax.UUCP> <852@myrias.UUCP>
Sender: news@oberon.USC.EDU
Reply-To: papa@pollux.usc.edu (Marco Papa)
Organization: Felsina Software, Los Angeles, CA
Lines: 25

In article <852@myrias.UUCP> cg@myrias.UUCP (Chris Gray) writes:
|In article <5882@cbmvax.UUCP| bryce@cbmvax.UUCP (Bryce Nesbitt) writes:
||Close the device, then reopen it.  (include error checking!)
||This will drop then raise DTR.
||Eventually there will be a better way... but this one works for all versions
||of the serial.device back to V1.0!!
||It will also work for extended units.
|
|I first tried this for Amiga Empire on my A1000. The light on my modem did
|NOT go off. I had to go directly to the hardware and toggle the bit - that
|DID work. The problem went away when I got an A2000. On other machines, the
|open/close combo did work. I don't at all understand how this was happening,
|but it was quite repeatable. Also, a friend's A1000 has the same problem.

Try this:

CloseDevice(...);
Delay(50L);		/* wait 1 sec. */
OpenDevice(...);

-- Marco Papa 'Doc'
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