On 15 Sep 97 at 16:04, Harold Hallikainen wrote:

>         Someone else has suggested capturing the barcode to RAM,
>         then
> figuring it out, instead of trying to do it on the fly.  It was
> pointed out that this could take a bit of RAM.  One way to minimize
> the amount of RAM would be to just store the amount of time since
> the last barcode edge.  These times could then be analyzed after the
> scan.

Another variation I thought of - use an ISR to store incoming data
into a circular buffer, and decode it in the main program...
MikeS
<mikesmith_oz@nosp*m.relaymail.net>
(remove the you know what before replying)