Interesting....reverse engineered USB protocols
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09-06-2017, 04:15 AM
Post: #1
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Interesting....reverse engineered USB protocols
...for the HP Prime...
https://github.com/eried/PrimeComm |
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09-06-2017, 04:23 AM
Post: #2
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RE: Interesting....reverse engineered USB protocols
This is also related to it...
http://services.ried.cl/primecomm/Help/?...85662e.htm |
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09-06-2017, 02:24 PM
Post: #3
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RE: Interesting....reverse engineered USB protocols
Its changed quite a bit since then. The underlying commands not so much, but we discovered that the windows HID driver just silently loses packets on occasion. Thus there is not a layer on top that will bounce back and forth between the connkit and usb calculator to request packets that were missed.
I believe the original as implemented there will still work, but it won't be as reliable or take advantage of later features like compression during transmission and similar. TW Although I work for HP, the views and opinions I post here are my own. |
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