Re: [linux-usb-devel] USB 2.0 interrupt endpoints

2003-10-02 Thread Richard Stover
transaction going? I suspect it is not the FX2 chip, but I haven't verified that yet. It would still be nice to have high-bandwidth interrupt packets (24Mb/sec guaranteed bandwidth) eventually. But for now I'm happy with 12Mb/sec bulk transactions. Alan and David, thanks for your help. Richard -- Richard

[linux-usb-devel] USB 2.0 interrupt endpoints

2003-10-01 Thread Richard Stover
Prot=ff Driver=fiber E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=82(I) Atr=03(Int.) MxPS=1022 Ivl=125us -- Richard Stover email: [EMAIL PROTECTED] Detector Development Laboratory http://www.ccd.ucolick.org UCO/Lick

Re: [linux-usb-devel] USB 2.0 interrupt endpoints

2003-10-01 Thread Richard Stover
in the callback. When I use 3066 instead of the bogus 5118 the transfers appear to happen, but now I get one call to my callback every 3 milliseconds instead of every millisecond. So it is still doing only one 1022 byte transfer per millisecond. Richard -- Richard Stover email: [EMAIL

Re: [linux-usb-devel] USB 2.0 interrupt endpoints

2003-10-01 Thread Richard Stover
. It isn't clear that this is possible. The FX2 has four large endpoints. I'm going to try running all four in parallel to see if I can push the throughput up. I can reassemble the data packets from the four endpoints later. Thanks for your suggestions. Richard -- Richard Stover

Re: [linux-usb-devel] USB 2.0 interrupt endpoints

2003-10-01 Thread Richard Stover
all four of its large endpoints in parallel. It seems this won't work to improve throughput, if I understand correctly what you're saying. But perhaps it would work for bulk transfers? Thanks for your assistance. Richard -- Richard Stover email: [EMAIL PROTECTED] Detector