Scott Penrose wrote Device::ParallelPort recently, and presented a lightning talk on it at TPC5 last month. I think you will probably find it helpful, as long as the communications aren't outstripping its capabilities (he specifically warns AGAINST using it for scanners and zip drives); if nothing else, it's a jumping-off point on your search.

Spud Zeppelin * spud@spudzeppelin.com

In reply to Re: Reverse Engineering a portable mp3 player by spudzeppelin
in thread Reverse Engineering a portable mp3 player by Boots111

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