libftdi Archives

Subject: Re: libftdi-1.0 for Ubuntu 9.10

From: Jie Zhang <jzhang918@xxxxxxxxx>
To: libftdi@xxxxxxxxxxxxxxxxxxxxxxx
Date: Sat, 20 Feb 2010 11:47:07 +0800
On Fri, Feb 19, 2010 at 10:22 PM, Xiaofan Chen <xiaofanc@xxxxxxxxx> wrote:
> On Fri, Feb 19, 2010 at 9:47 PM, Xiaofan Chen <xiaofanc@xxxxxxxxx> wrote:
>> The python wrapper failed to be built under Ubuntu 9.10.
Do you have a patch to fix it?
> Other than this minor problem, it seems to work fine. I just
> tested OpenOCD latest git with the latest git of libftdi-1.0
> and it seems to work fine. Under Linux it does not really
> offer higher speed than libftdi 0.17 though.
You need to modify OpenOCD to utilize the async mode to get higher
performance. See

The commit:;a=commit;h=ad53771377357e1f10206b2916069373fda01122

The patch:

The explanation:

> Reference:
>  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.


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