Messages in this thread |  | | | From | Uwe Bonnes <> | | Date | Tue, 7 Apr 2009 11:45:48 +0200 | | Subject | Re: [PATCH] USB: serial: add FTDI FT4232H ID |
| |
>>>>> "Luotao" == Luotao Fu <l.fu@pengutronix.de> writes:
Luotao> On Tue, Apr 07, 2009 at 10:30:52AM +0200, Uwe Bonnes wrote: >> >>>>> "Luotao" == Luotao Fu <l.fu@pengutronix.de> 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@elektron.ikp.physik.tu-darmstadt.de
Institut fuer Kernphysik Schlossgartenstrasse 9 64289 Darmstadt --------- Tel. 06151 162516 -------- Fax. 06151 164321 ----------
|  |