Hi,
I just failed to get an Acer Modem 56 Surf USB
(Model AMU-AE00) running with Linux. The acm driver
doesn't accept this modem. I was reading a little bit
in acm.c, but I don't know enough about USB protocols
to understand everything.
The reason for not accepting the modem is, that
it doesn't have the required two interfaces. It does
have a single interface instead, but depending on the
config, with 2 or 5 endpoints. I wonder, whether this
could work with the acm driver, if the driver accepted
this kind of structure. (See the usbview output below.)
any opinion? (please reply directly to my address, I'm not
on the mailing list)
regards
Hadmut
Acer Modem 56 Surf USB
Manufacturer: Acer Nexus,Inc
Serial Number: 12345678
Speed: 12Mb/s (full)
USB Version: 1.00
Device Class: 02(comm.)
Device Subclass: 00
Device Protocol: 00
Maximum Default Endpoint Size: 8
Number of Configurations: 2
Vendor Id: 07e1
Product Id: 5201
Revision Number: 1.00
Config Number: 1
Number of Interfaces: 1
Attributes: 80
MaxPower Needed: 500mA
Interface Number: 0
Name: (none)
Alternate Number: 0
Class: 0a(data )
Sub Class: 0
Protocol: 0
Number of Endpoints: 2
Endpoint Address: 81
Direction: in
Attribute: 2
Type: Bulk
Max Packet Size: 32
Interval: 0ms
Endpoint Address: 02
Direction: out
Attribute: 2
Type: Bulk
Max Packet Size: 32
Interval: 0ms
Config Number: 2
Number of Interfaces: 1
Attributes: 80
MaxPower Needed: 500mA
Interface Number: 0
Name: (none)
Alternate Number: 0
Class: 0a(data )
Sub Class: 0
Protocol: 0
Number of Endpoints: 5
Endpoint Address: 81
Direction: in
Attribute: 1
Type: Isoc
Max Packet Size: 32
Interval: 1ms
Endpoint Address: 83
Direction: in
Attribute: 2
Type: Bulk
Max Packet Size: 32
Interval: 0ms
Endpoint Address: 04
Direction: out
Attribute: 2
Type: Bulk
Max Packet Size: 32
Interval: 0ms
Endpoint Address: 85
Direction: in
Attribute: 1
Type: Isoc
Max Packet Size: 64
Interval: 1ms
Endpoint Address: 06
Direction: out
Attribute: 1
Type: Isoc
Max Packet Size: 64
Interval: 1ms
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