Subject:
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Re: Scrolling through the LCD messages by the knob
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Mon, 18 Jan 1999 14:33:03 GMT
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Original-From:
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Bernd Klein <Bernd.Klein@pdv%nospam%-online.de>
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Viewed:
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922 times
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Hi Gustav,
ich habe für mein HB ein Menüprogramm geschrieben, mit dem man mehrere
Menüpunkte durchscrollen kann (Parametereingabe etc.)
Falls Du noch interesse hast, sag Bescheid dann kram ich mal den Sourcecode
bei mir wieder aus !
Tschau
Bernd
Curt Mills, WE7U schrieb:
> On Fri, 15 Jan 1999, Gustav Schulz wrote:
>
> > i am looking for a program to use the knob for scrolling through
> > messages.
>
> > anyone already written such a program ?
>
> Yes, and it is totally trivial to do so. I don't have my sources here at
> the moment, but it is roughly like this:
>
> c = readknob(); /* or whatever the cmd is for reading it */
>
> if ( c < 64 )
> {
> print "a";
> }
> else if ( c < 128 )
> {
> print "b";
> }
> else if ( c < 192 )
> {
> print "c";
> }
> else
> {
> print "d";
> }
>
> or set a variable inside each if block and then run through a switch
> statement later when you're doing your printing.
>
> Sorry if my C is rusty. I do too many languages nowadays...
>
> Curt Mills, WE7U hacker.NO_*SPAM@tc.fluke.com
> Senior Methods Engineer/SysAdmin
> "Lotto: A tax on people who are bad at math." -- unknown
> "Windows: Microsoft's tax on computer illiterates." -- WE7U
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