On Sat, Feb 20, 2010 at 11:47 AM, Jie Zhang <jzhang918@xxxxxxxxx> wrote:
> You need to modify OpenOCD to utilize the async mode to get higher
> performance. See
>
> The commit:
> http://urjtag.git.sourceforge.net/git/gitweb.cgi?p=urjtag/urjtag;a=commit;h=ad53771377357e1f10206b2916069373fda01122
>
> The patch:
> http://sourceforge.net/mailarchive/message.php?msg_name=4B70279A.3010307%40analog.com
>
> The explanation:
> http://developer.intra2net.com/mailarchive/html/libftdi/2010/msg00065.html
Thanks. Maybe I will forward this to OpenOCD and there may be
people who can do that.
Current ftdi code in OpenOCD:
http://openocd.git.sourceforge.net/git/gitweb.cgi?p=openocd/openocd;a=blob;f=src/jtag/drivers/ft2232.c;h=82132d3b2d41159eb7974c370ce63a61a74752ff;hb=HEAD
>> I guess that libftdi 0.17 has already the async mode in place
>> (albeit only for Linux) whereas libftdi-1.0/libusb-1.0 will work
>> under Windows (and Mac OS X?) as well.
>>
> Yes, I think so. But I have not tested UrJTAG on Windows.
>
Maybe I will give it a try later. I have never used UrJTAG before.
--
Xiaofan http://mcuee.blogspot.com
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