Just found this today. It is supposed to be a usb driver for the eb-1150 under linux. Haven't gotten around to trying it yet though. I've just been using the smart card to get my books in the reader.
http://www.sf.net/projects/eb1150
Here's the ubuntu thread where it was mentioned, toward the bottom of the first page.
http://ubuntuforums.org/showthread.php?t=35674
Might be of some use with the code you are working on.