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Cc: ticso@cicely.de, freebsd-usb@freebsd.org
Subject: Re: Ucom/Uftdi Thru-put
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*** sys/dev/usb/uftdi.c.orig    Tue Aug 30 13:34:56 2005
--- sys/dev/usb/uftdi.c Tue Aug 30 13:36:46 2005
***************
*** 104,110 ****
   * These are the maximum number of bytes transferred per frame.
   * The output buffer size cannot be increased due to the size encoding.
   */
! #define UFTDIIBUFSIZE 64
  #define UFTDIOBUFSIZE 64
  
  struct uftdi_softc {
--- 104,110 ----
   * These are the maximum number of bytes transferred per frame.
   * The output buffer size cannot be increased due to the size encoding.
   */
! #define UFTDIIBUFSIZE 384
  #define UFTDIOBUFSIZE 64
  
  struct uftdi_softc {


# ./ucom_read
Read 1000076 bytes in 5.233209 seconds in chunks of 382 bytes

or, around 5.25 uSec per byte.  This is well within my requirements.

Now, data verification...

Thanks,
tomdean