At least the charging thing should be understood. The phone is
reporting itself as Self Powered, and that it draws no power. Hard
to charge with those specs.
It likely that the phone just doesn't charge in that mode.
David Ferguson
USB Software Team
On Oct 13, 2006, at 1:05 PM, Mark Thomas wrote:
Hi,
I have a Sony Ericcson P990i which has an option which reports it
can be
behave like a USB mass storage device when attached via the USB route.
Unfortunately this isn't working, so looking at the USB Prober its is
reporting itself as a mass storage device, so wondering what could be
happening ?
Any clues of what extra to check or investigate ? - here's a
snapshot of
some info
Full Speed device @ 2 (0x1B100000):
............................................. Communication device:
"P990i"
Device Descriptor
Descriptor Version Number: 0x0200
Device Class: 2 (Communication)
Device Subclass: 0
Device Protocol: 0
Device MaxPacketSize: 64
Device VendorID/ProductID: 0x0FCE/0xE030 (Sony Ericsson
Mobile
Communications AB)
Device Version Number: 0x0000
Number of Configurations: 1
Manufacturer String: 1 "Sony Ericsson Mobile Communications"
Product String: 2 "P990i"
Serial Number String: 3 "35959300169367"
Configuration Descriptor: .......................................
"First and Last and Always"
Total Length of Descriptor: 32
Number of Interfaces: 1
Configuration Value: 1
Attributes: 0xC0 (self-powered)
MaxPower: 0 ma
Interface #0 - Mass Storage/SCSI
Alternate Setting 0
Number of Endpoints 2
Interface Class: 8 (Mass Storage)
Interface Subclass; 6 (SCSI)
Interface Protocol 80
Endpoint 0x82 - Bulk Input
Endpoint 0x02 - Bulk Output
The phone's USB other option is to appear as a USB modem which works
great, and appears correctly in the network connection.
Thanks
Mark.
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