Article View: comp.sys.amiga.tech
Article #11010Re: Multiple Serial Ports
From: Randell Jesup
Date: Wed, 18 Jan 1989 04:00
Date: Wed, 18 Jan 1989 04:00
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1370 bytes
In article <347@antares.UUCP> jms@antares.UUCP (Joe Smith) writes:
>Some older terminals
>will lose data if the host sends more than 3 characters after the terminal
>sends XOFF. Here is where having a FIFO on the input side of the UART can
>work against you. And it's even worse if the DMA on the output side of the
>UART cannot be quickly disabled. Very nasty to have 16 characters sent to
>the terminal after it says to stop.
Nothing should require immediate response to ^S. By it's very nature,
a number of characters may have already been sent/queued, and the host repsonse
time may vary.
If you need immediate response, use CTS/RTS.
--
Randell Jesup, Commodore Engineering {uunet|rutgers|allegra}!cbmvax!jesup
Technical Details
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<8812150227.AA09671@postgres.Berkeley.EDU> <14049@oberon.USC.EDU> <554@sunkisd.CS.Concordia.CA> <3241@sugar.uu.net> <147@ziggy.UUCP> <373@madnix.UUCP> <150@ziggy.UUCP> <385@madnix.UUCP> <154@ziggy.UUCP> <347@antares.UUCP>Show Full Headers
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!lll-winken!ames!mailrus!csd4.milw.wisc.edu!nic.MR.NET!umn-d-ub!rutgers!cbmvax!jesup From: jesup@cbmvax.UUCP (Randell Jesup) Newsgroups: comp.sys.amiga.tech Subject: Re: Multiple Serial Ports Message-ID: <5712@cbmvax.UUCP> Date: 18 Jan 89 04:00:55 GMT References: <8812150227.AA09671@postgres.Berkeley.EDU> <14049@oberon.USC.EDU> <554@sunkisd.CS.Concordia.CA> <3241@sugar.uu.net> <147@ziggy.UUCP> <373@madnix.UUCP> <150@ziggy.UUCP> <385@madnix.UUCP> <154@ziggy.UUCP> <347@antares.UUCP> Reply-To: jesup@cbmvax.UUCP (Randell Jesup) Organization: Commodore Technology, West Chester, PA Lines: 16