This example uses PBP, but the superb write-up will give you an idea of how
its done anyway.

http://www.melabs.com/resources/articles/ledart.htm

Regards,

Anand Dhuru


----- Original Message -----
From: "Dave VanHorn" <dvanhorn@CEDAR.NET>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Saturday, May 03, 2003 9:18 PM
Subject: Re: [PIC] Source Code for seven segment display


> At 11:33 AM 5/3/2003 -0400, John Nall wrote:
> >Would anyone be willing to share a bit of source code with me, for
driving
> >three seven segment displays?
>
> One easy way to do this, is to use a lookup table.
> Take the digit you want to display, if needed, convert it to binary 0-F
> Using this value, index into a table that will return the proper bits set
> as "1" to turn on the appropriate segments of the display.
> Since there are seven segments, you can use just one byte.
> In the PIC, this is something like a jump to an address plus an offset
(the
> index value) and the table consists of RETLW instructions that are a
return
> from subroutine, with the W register loaded with some value
>
> Seg_Table:
>          retlw   0x11111110
>          retlw   0x00000110
>          etc
>
> or something like that anyway. :)
> I'm the resident heretic, I use AVRs
>
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