>>>>> "Luotao" == Luotao Fu <l.fu@xxxxxxxxxxxxxx> writes:
Luotao> On Tue, Apr 07, 2009 at 10:30:52AM +0200, Uwe Bonnes wrote:
>> >>>>> "Luotao" == Luotao Fu <l.fu@xxxxxxxxxxxxxx> writes:
>>
Luotao> add the ID of FT4232H Hi-Speed quad channel serial converter.
>> This probably isn't enough to make the devices work.
>>
>> The FT2232H and FT4432H are High Speed devices with defaul buffer
>> sizes of 512 bytes. A recieve buffer contains two status bytes and
>> then up to 510 bytes of data against 62 bytes on the old devices.
Luotao> Shame on me. I did only check whether the device with its four
Luotao> channels are registered. Since the chip is built-in on our board
Luotao> and I still need some additional libraries to check the devices
Luotao> connected to it. I haven't done any function tests still. Will
Luotao> keep an eye on this. Sounds that it could be a little hairy
Luotao> then. Afais the PID 6001 is e.g. shared by common/high speed
Luotao> devices. I didn't grab deeper in the ftdi code, probably it'll
Luotao> be some way to work around this.
For libusb access, some work for the H-Type chips has already been don in
libftdi (www.intra2net.com/en/developer/libftdi/)
--
Uwe Bonnes bon@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Institut fuer Kernphysik Schlossgartenstrasse 9 64289 Darmstadt
--------- Tel. 06151 162516 -------- Fax. 06151 164321 ----------
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