USB Device Descriptor Failure
I have 4 UP Xtreme systems in my lab and they all show the same error about a USB Device Descriptor Failure:
The device in questions appears to be USB HighSpeed port 8, which is assigned to the M.2 (2230 E-key) header. I do not have anything connected to that header on any of the systems, but they all show the same error.
Any clue as to what's going on here?
Comments
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@jayman
The "Unknown USB device (.HS08)" is a normal because there was no driver on this device.
Please refer to the user manual below, chapter 3.1, pp. 40 for details
UPX-Edge Manual 1.0 -
Oh that makes sense now. I was going by the block diagram (https://up-board.org/up-xtreme/) which shows HS port 8 connected to the M.2 E-key and HS port 10 going to the STM32. I guess those 2 were swapped since HS port 10 is what Intel recommends to be used for the CNV interface.
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@rogertsai(AAEON) said:
@jayman
The "Unknown USB device (.HS08)" is a normal because there was no driver on this device.
Please refer to the user manual below, chapter 3.1, pp. 40 for details
UPX-Edge Manual 1.0The first few UP Xtreme system we bought apparently came with a blank MCU flash, thus causing the DEVICE_DESCRIPTOR_FAILURE error. On the more recent ones, the MCU was pre-programmed and shows up as USB Serial Device.
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I have solved my issue by connecting the USB to another port.
