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by rasz 2490 days ago
Currently deployed hardware has no ability to measure that.
1 comments
Zenst 2490 days ago
Yes it does: lsusb -v upon linux shows exactly that information. Not sure upon windows flavours of doing that beyond gui digging some properties, but the values are in there.
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rasz 2490 days ago
Sadly the number you are thinking about is self reported by the device - it is required by the spec to report its bMaxPower in USB Configuration Descriptor. This field is merely a convenience and a promise. http://dangerousprototypes.com/docs/Designing_USB_Devices_fo...
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Zenst 2490 days ago
Aha, my humble apologies for my confusions, appreciate being educated. I learned something today, thank you.
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