Date: Tue, 30 Aug 2005 13:46:47 -0700 (PDT) From: User Tomdean <tomdean@speakeasy.org> To: hselasky@c2i.net Cc: ticso@cicely.de, freebsd-usb@freebsd.org Subject: Re: Ucom/Uftdi Thru-put Message-ID: <200508302046.j7UKklqR000628@asus.tddhome> In-Reply-To: <200508302100.12140.hselasky@c2i.net> (message from Hans Petter Selasky on Tue, 30 Aug 2005 21:00:09 %2B0200) References: <200508202157.j7KLv1GF005017@asus.tddhome> <20050826112422.GY37930@cicely12.cicely.de> <200508301751.j7UHpCt8000858@asus.tddhome> <200508302100.12140.hselasky@c2i.net>
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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
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