[sane-devel] One Step Closer to Mac OS X Support

[Karl Heinz Kremer]

I almost got my backend working today with Mac OS X. The most
important step was a fix to sanei_usb.c (the diff is attached
to this email). I am not that familiar with USB in general
or libusb to determine if this is safe for all platforms. 
all I know is it works on Linux as well. 

After corecting one byteorder problem in my backend, I was
actually able to initialize the backend, report all the 
options to XSane (including the dynamic stuff frm the
scanner) and to start a scan. I then got all the data
for a low resolution scan, but the acknowledge message
that the backend sends to the scanner never made it out -
the bulk write command just hangs. 

Karl Heinz

-- 
Karl Heinz Kremer                                  khk at khk.net
PGP Key at                 http://www.khk.net/download/khk.asc
EPSON Sane Backend:                         http://www.khk.net
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--- sanei_usb.c.ORIG	Sun Nov  3 15:49:06 2002
+++ sanei_usb.c	Sun Nov  3 15:50:41 2002
@@ -542,7 +542,7 @@
 		     "(address: %d), ignoring the new one\n",
 		     devices[devcount].bulk_in_ep);
 	      else
-		devices[devcount].bulk_in_ep = address;
+		devices[devcount].bulk_in_ep = endpoint->bEndpointAddress;
 	    }
 	  else
 	    {
@@ -551,7 +551,7 @@
 		     "(address: %d), ignoring the new one\n",
 		     devices[devcount].bulk_out_ep);
 	      else
-		devices[devcount].bulk_out_ep = address;
+		devices[devcount].bulk_out_ep = endpoint->bEndpointAddress;
 	    }
 	}
 #else /* not HAVE_LIBUSB */
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