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MediaPortal 2
Submit: Bug Reports
MP2 & USB Problems
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<blockquote data-quote="MP2 Fan" data-source="post: 1279829" data-attributes="member: 166785"><p>I have done further investigation and believe this is now firmly at the door of [USER=140174]@Stéphane Lenclud[/USER] </p><p></p><p>This is a marked-up screenshot of HID Demo with my standard kit, including the KVM.</p><p></p><p>[ATTACH=full]207286[/ATTACH]</p><p></p><p>Equipment VID_0C45&PID_7403 are listed on DeviceHunter.com as 'Microdia - Footswitch'. Maybe not, but Microdia do exist.</p><p>Anyway, this is the 'Devices and Printers' properties dialog for the Chinese named box that is the KVM (it disappears if I disconnect the KVM).</p><p></p><p>[ATTACH=full]207287[/ATTACH]</p><p></p><p>These are the Property dialogs for the Keyboard and Mouse showing the Device Instance Paths.</p><p></p><p>[ATTACH=full]207288[/ATTACH]</p><p></p><p></p><p>[ATTACH=full]207289[/ATTACH]</p><p></p><p>You can see that Windows only accesses the device contexts highlighted in red. The green and blue are only referenced in HID Demo, I can find no trace of them anywhere else in the system.</p><p></p><p>Finally, I added a separate Logitech Trackman.</p><p></p><p>[ATTACH=full]207290[/ATTACH]</p><p></p><p>Yet again, the ID highlighted in red is the one that appears in the Device Instance path for this device. This time, the latter part of the ID is not replicated. HID must have a list DEV/PIDs or something that it looks up, because the above list it is the devices with HID#VID_nnnn&PID_nnnn that work and the Root#RDP_ devices that are duplicates.</p></blockquote><p></p>
[QUOTE="MP2 Fan, post: 1279829, member: 166785"] I have done further investigation and believe this is now firmly at the door of [USER=140174]@Stéphane Lenclud[/USER] This is a marked-up screenshot of HID Demo with my standard kit, including the KVM. [ATTACH type="full"]207286[/ATTACH] Equipment VID_0C45&PID_7403 are listed on DeviceHunter.com as 'Microdia - Footswitch'. Maybe not, but Microdia do exist. Anyway, this is the 'Devices and Printers' properties dialog for the Chinese named box that is the KVM (it disappears if I disconnect the KVM). [ATTACH type="full"]207287[/ATTACH] These are the Property dialogs for the Keyboard and Mouse showing the Device Instance Paths. [ATTACH type="full"]207288[/ATTACH] [ATTACH type="full"]207289[/ATTACH] You can see that Windows only accesses the device contexts highlighted in red. The green and blue are only referenced in HID Demo, I can find no trace of them anywhere else in the system. Finally, I added a separate Logitech Trackman. [ATTACH type="full"]207290[/ATTACH] Yet again, the ID highlighted in red is the one that appears in the Device Instance path for this device. This time, the latter part of the ID is not replicated. HID must have a list DEV/PIDs or something that it looks up, because the above list it is the devices with HID#VID_nnnn&PID_nnnn that work and the Root#RDP_ devices that are duplicates. [/QUOTE]
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