talking to com port with C

Article View: comp.sys.ibm.pc.programmer

Article #568

Back to comp.sys.ibm.pc.programmer Previous Next

#568

From: Steve Verity
Date: Fri, 01 Jun 1990 20:02

10 lines
877 bytes

Hi, I need a C routine to talk to a com port.  I am tring to use INT
14, but I am unsure about handshaking.  Do I need to query the status
port before sending characters?  What bits do I need to worry about?  

Thanks for any help. Email if you want and I will summerize.

-- 
...........>..........>........>......>...>...>..>..>..>..>.>.>.>>>>>>>>+ .   
Steve Verity   sv@v7fs1         +   +             ...Maxed on MIDI        + .
Video-7 / Headland Technology         +      ...ames!vsi1!v7fs1!sv    + ..   +

Technical Details

Message-ID: <2913@hsv3.UUCP>

Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!ns-mx!iowasp!deimos.cis.ksu.edu!rutgers!apple!vsi1!hsv3!sv

Show Full Headers

Complete Article Headers

Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!ns-mx!iowasp!deimos.cis.ksu.edu!rutgers!apple!vsi1!hsv3!sv
From: sv@hsv3.UUCP (Steve Verity)
Newsgroups: comp.sys.ibm.pc.programmer
Subject: talking to com port with C
Message-ID: <2913@hsv3.UUCP>
Date: 1 Jun 90 20:02:24 GMT
Reply-To: sv@hsv3.UUCP (Steve Verity)
Organization: Video-7 /Headland Technology
Lines: 10