Magnus Therning wrote:
[snip]
> I am not entirely sure what you mean by 'descriptors' but I expect it
> might be something like the following :)
The second part is the device descriptors:)
> /proc/bus/usb/drivers contains the following:
> hub
> usbdevfs
>
> /proc/bus/usb/devices contains the following:
> T: Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2
> B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0
> D: Ver= 1.00 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
> P: Vendor=0000 ProdID=0000 Rev= 0.00
> S: Product=USB UHCI Root Hub
> S: SerialNumber=d800
> C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 0mA
> I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
> E: Ad=81(I) Atr=03(Int.) MxPS= 8 Ivl=255ms
> T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2
> B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0
> D: Ver= 1.00 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
> P: Vendor=0000 ProdID=0000 Rev= 0.00
> S: Product=USB UHCI Root Hub
> S: SerialNumber=d400
> C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 0mA
> I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
> E: Ad=81(I) Atr=03(Int.) MxPS= 8 Ivl=255ms
> T: Bus=01 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#= 2 Spd=12 MxCh= 0
> D: Ver= 1.00 Cls=02(comm.) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
> P: Vendor=0483 ProdID=7554 Rev= 2.00
> C:* #Ifs= 1 Cfg#= 1 Atr=a0 MxPwr=100mA
> I: If#= 0 Alt= 0 #EPs= 1 Cls=02(comm.) Sub=80 Prot=ff Driver=(none)
> E: Ad=81(I) Atr=13(Int.) MxPS= 4 Ivl= 1ms
> I: If#= 0 Alt= 1 #EPs= 3 Cls=02(comm.) Sub=80 Prot=ff Driver=(none)
> E: Ad=81(I) Atr=13(Int.) MxPS= 4 Ivl= 1ms
> E: Ad=02(O) Atr=05(Isoc) MxPS= 128 Ivl= 1ms
> E: Ad=83(I) Atr=05(Isoc) MxPS= 128 Ivl= 1ms
> I: If#= 0 Alt= 2 #EPs= 3 Cls=02(comm.) Sub=80 Prot=ff Driver=(none)
> E: Ad=81(I) Atr=13(Int.) MxPS= 4 Ivl= 1ms
> E: Ad=04(O) Atr=05(Isoc) MxPS= 128 Ivl= 1ms
> E: Ad=85(I) Atr=05(Isoc) MxPS= 128 Ivl= 1ms
> I: If#= 0 Alt= 3 #EPs= 5 Cls=02(comm.) Sub=80 Prot=ff Driver=(none)
> E: Ad=81(I) Atr=13(Int.) MxPS= 4 Ivl= 1ms
> E: Ad=02(O) Atr=05(Isoc) MxPS= 128 Ivl= 1ms
> E: Ad=83(I) Atr=05(Isoc) MxPS= 128 Ivl= 1ms
> E: Ad=04(O) Atr=05(Isoc) MxPS= 128 Ivl= 1ms
> E: Ad=85(I) Atr=05(Isoc) MxPS= 128 Ivl= 1ms
>
> I hope that helps.
It looks like a vendor specifc extension to the Communication Class.
I looked up the IDs in http://www.linux-usb.org/usb.ids, and found that
0483 SGS Thomson Microelectronics
7554 56k SoftModem
Softmodem means that you are probably out of luck with this device.
HTH
Brad
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