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Hardware and Windows Vista Hardware issues in relation to Windows Vista. (microsoft.public.windows.vista.hardware_devices) |
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USB Mass Storage device can't work under Vista.
I have a low speed USB device controller and a MCU. I write a program on MCU
to implement a mass storage device. The windows XP and windows 2000 can recognize my USB mass storage device. But Vista can't. So what's the problem with Vista? I capture the USB packets and events and find that after the "Set Configuration" Vista disconnected my USB device. But under windows XP,after "Set Configuration", the USB host will start a "Class Type Request" control transfer, and start many IN and OUT transactions. |