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From: russotto@eng.umd.edu (Matthew T. Russotto)
Newsgroups: comp.sys.mac.hardware,comp.sys.mac.programmer
Subject: Re: resetting serial port
Message-ID: <1990Aug7.193703.24346@eng.umd.edu>
Date: 7 Aug 90 19:37:03 GMT
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In article <26811@pasteur.Berkeley.EDU> chou@sim.berkeley.edu (Pai Chou) writes:
>I wrote a terminal emulator which works fine for a modem,
>but it doesn't work for a Mac whose serial port is connected
>directly to a Unix box.  There is no hardware reset button.
>
>My question is, how do you get the prompt message from the
>Unix host?  How can I make software calls to achieve the same
>effect as the hardware reset button?  Thanks
>
>Pai Chou
>chou@sim.berkeley.edu


Try sending a break (Call SerSetBrk, wait 50-200ms, call SerClrBrk).  If that
doesn't work, try dropping DTR (csCode = 18 to serial driver) sending a
break, and raising DTR (cscode = 17)
--
Matthew T. Russotto	russotto@eng.umd.edu	russotto@wam.umd.edu
][, ][+, ///, ///+, //e, //c, IIGS, //c+ --- Any questions?
		Hey!  Bush has NO LIPS!