Re: [Openocd-development] Olimex-arm-usb-ocd windows drivers how to?

[Gene S. <gd...@ch...>]

Xiaofan Chen wrote, On 02/28/2010 03:33 AM:
> On Sun, Feb 28, 2010 at 4:05 PM, Gene Smith<gd...@ch...>  wrote:
>
>> LibUSB-Win32 Devices
>>         Olimex ARM-USB-OCD (Channel A)
>> ? Other Devices
>>         ? Olimex OpenOcd JTAG
>> Universal Serial Bus Controller
>>         USB Composite
>>         USB Composite
>>
>> The first one looks like the correct and functional driver that uses
>> libusb0.sys and libusb0.dll.
>
> That is for Channel A which uses the libusb-win32 device driver
> and it works fine.
>
>> The ones under Universal Serial Bus Controller come and go as the Olimex USB
>> is plugged and un-plugged and are Microsoft Drivers. I don't know what these
>> do.
>>
>> So the one with the yellow question marks are probably the problem. If I
>> delete it or disabled it it comes back on the next h/w scan. When I try to
>> install the driver using the *.inf that Freddie supplied, I see a windows
>> error dialog stating something like "driver does not describe your
>> hardware".
>
> You have to install the original FTDI driver for that (serial port).
> After that, the wizard will not pop up again.
>
>> We are not using the serial port built into the Olimex.

> But you still need to install the FTDI driver for it. If not
> the Windows Wizard will come out. You can use Device
> Manager, right click the device with the Yellow Question
> Mark and then use Update Driver to point it to the
> FTDI driver (provided by Olimex).

On the Olimex CD (and on their site) there are two inf files:

ftdibus.inf
ftdiport.inf

I used ftdiport. After installing it at the yellow ? device, the yellow 
? remained but it put new Olimex OCD Device under "Universal Serial Bus 
controllers". Possibly I should use ftdibus.inf? Will try it now.

Also, disabling the device under yellow ? seems to inhibit the new h/w 
wizard, so maybe that is all you really have to do if you only care 
about the jtag functionality?