libftdi Archives

Subject: Re: Use of ftdi-sio and libftdi on different interfaces of the same instance of FT4232 (and similar)

From: Xiaofan Chen <xiaofanc@xxxxxxxxx>
To: libftdi@xxxxxxxxxxxxxxxxxxxxxxx
Date: Wed, 27 Oct 2010 15:35:29 +0800
On Wed, Oct 27, 2010 at 3:09 PM, Alexej Moisejew
<alexej.moisejew@xxxxxxxxxxxxxxxxx> wrote:

> I have the same problem. I want to use two channels for serial
> communication and one in Bit Bang Mode to set IO Pins.
> Was you able to configure ftdi-sio and libftdi to share same USB device?

According to this post, it is possible to use ftdi-sio and libftdi(OpenOCD)
to share the same device.

The above thread may be interesting as well since it points out
a kernel bug. The patch to reverting the bad patch is already in
Greg KH's queue for 2.6.37 rc.

If you really have some issues, you can try to comment out the
kernel driver detaching code in libftdi's ftdi.c and use manually driver


libftdi - see for details.
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