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'[PIC]:RE: Newbie Question'
2000\09\27@044954 by Michael Rigby-Jones

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> -----Original Message-----
> From: Philip Adams [SMTP:spam_OUTpaTakeThisOuTspamCORPORATE-GIFTS.CO.UK]
> Sent: Wednesday, September 27, 2000 9:39 AM
> To:   .....PICLISTKILLspamspam@spam@MITVMA.MIT.EDU
> Subject:      Newbie Question
>
> HI Ya All,
>                 Im new to pic programming and would like to know in lame
> terms hat is 'bit banging'?
>
> Phil Adams
>
'Bit Banging' is a term given to the technique of emulating hardware with
software.  A classic example is that of the software UART for serial comms.
Timing is often critical and the software usualy involves very tight, fast
code to achieve it's goals.

Mike

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2000\09\27@095354 by jamesnewton

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See also: "Virtual Peripheral"

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James Newton .....jamesnewtonKILLspamspam.....geocities.com 1-619-652-0593


{Original Message removed}

2000\09\27@120612 by Olin Lathrop

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> 'Bit Banging' is a term given to the technique of emulating hardware with
> software.  A classic example is that of the software UART for serial
comms.
> Timing is often critical and the software usualy involves very tight, fast
> code to achieve it's goals.

This is more of a slang than a standard term, so there will probably be
different opinions.  I think of "bit banging" as when the code is
manipulating individual bits or small fields, moving them around, ANDin,
ORing, shifting, etc.  In other words bit-level manipulations as opposed to
"whole word" operations like load, store, higher level arithmetic functions,
etc.


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Olin Lathrop, embedded systems consultant in Devens Massachusetts
(978) 772-3129, EraseMEolinspam_OUTspamTakeThisOuTcognivis.com, http://www.cognivis.com

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