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From: slfields@uokmax.uucp (Scott L Fields)
Newsgroups: comp.sys.amiga
Subject: Re: RS-232 & MIDI Interface
Message-ID: <1990Sep17.191139.9753@uokmax.uucp>
Date: 17 Sep 90 19:11:39 GMT
References: <49417@olivea.atc.olivetti.com> <90260.142801UH2@psuvm.psu.edu>
Organization: Engineering Computer Network, University of Oklahoma, Norman, OK
Lines: 24

In article <90260.142801UH2@psuvm.psu.edu> UH2@psuvm.psu.edu (Lee Sailer) writes:
>In article <49417@olivea.atc.olivetti.com>, borzieri@king.ICO.Olivetti.Com (Ivan
>Borzieri) says:
>>I tried to write a little basic prog which reads from the RS-232 data coming
>>from my keyboard through a MIDI interface.
>
>>I tried to set the RS-232 at 9600,N,7,1 and something was read.
>>I then tried to set it at 19200,N,7,1 and something else was read ! (then
>>I got a crash)
>
>I believe that MIDI is quite different from RS-232.  Just because it
>uses the same plug on the Amiga doesn't mean it uses the same *electrical*
>characteristics.  That's why Amigas  need MIDI adapters.  This is a
>simple device with a couple of resistors and whatever in it that
>converts the signals at the serial port to MIDI.  The simple ones cost
>about $40 US or so, and go up to maybe $99 US for ones with lots of
>"features".
>
>           lee

Actually, He was just off buy not going from 19,200 to 38,400. That is the
speed at which MIDI transmits and basically at rs232 levels as well. 
{not sure what having the data will mean unless you already know the
capabilities of your keyboard----aftertouch,attack,etc}