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Jul - Computers and Technology - Anyone with a G15 keyboard, could you give me a hand? New poll - New thread - New reply
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Sukasa

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Posted on 03-22-11 02:49:32 AM (last edited by Sukasa at 03-21-11 11:52 PM) Link | Quote

I'm trying to write a DLL that'll let me interface with any G15 keyboard hooked up to a computer (LEDs, LCD, buttons, etc) - but I do have one issue: In order to be able to uniquely identify different G15 keyboards, I need to be able to extract their identifiers from their respective device strings (this is win32). This wouldn't be so hard, except I have only 1 G15 and I need at least 2 in order to know what part of their strings to use as the identifiers.

Therefore, I'm wondering if anyone with a minute could download this exe and paste in any message boxes it generates: FindG15s.exe (Source) An example output of the program (i.e. when I run it on my system) is "\\?\hid#vid_046d&pid_c227&col02#7&cbda859&0&0001#{4d1e55b2-f16f-11cf-88cb-001111000030}".

It would be very much appreciated

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Rena
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Posted on 03-22-11 03:13:33 AM Link | Quote
Post #4129 · 03-21-11 10:13:33 PM
Well I don't have one, but I can pick out some interesting things just from that sample...
\\?\hid#vid_046d&pid_c227&col02#7&cbda859&0&0001#{4d1e55b2-f16f-11cf-88cb-001111000030}
hid just tells the OS what type of device you're looking for (Human Interface Device).
vid and pid are Vendor ID and Product ID. Those will tell you who makes this device and what particular device it is, but not uniquely identify a device.
{4d1e...0030} is a GUID, Globally Unique Identifier, so that's very likely the unique ID you're looking for.

No idea what the other stuff would be. Hope that helps...

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Sukasa

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Posted on 03-22-11 03:15:25 AM Link | Quote

The GUID is just the standard "HID Class" GUID - it's useless because every keyboard, mouse, and tablet will have that same one, on every win32 system ever.

I'm pretty sure it's the string after 7&, but I'm not sure how much of that string is the ID and how much is extra stuff after it.

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Rena
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Posted on 03-22-11 03:30:19 AM Link | Quote
Post #4131 · 03-21-11 10:30:19 PM
I don't suppose it's simply the keyboard's serial number in hex?

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Sukasa

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Posted on 03-22-11 03:33:14 AM Link | Quote

Nope.

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Posted on 03-22-11 04:20:07 AM Link | Quote
HID\VID_046D&PID_C227&COL02\7&316A2B7A&0&0001
HID\VID_046D&PID_C227&COL02\7&B8276FF&0&0001
HID\VID_046D&PID_C227&COL02\7&14F04D35&0&0001
HID\VID_046D&PID_C227&COL02\7&1DEAD5C9&0&0001
HID\VID_046D&PID_C227&COL02\7&2FA607B4&0&0001
HID\VID_046D&PID_C227&COL02\7&2988A03B&0&0001

Google to the rescue? ;;;

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Posted on 03-22-11 11:09:45 AM Link | Quote
Paulguy's Post configuration
There's no way to properly get some kind of structure or make specific calls from the USB subsystem that has this information all nice and labeled, rather than relying on splitting strings? I remember libusb in linux has some useful stuff. Everything you can get from lsusb (based on the same library) you can get all the values in a nice struct, including the iSerialNumber. I'm thinking maybe but Windows can also be rather asinine so who knows...

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Jul - Computers and Technology - Anyone with a G15 keyboard, could you give me a hand? New poll - New thread - New reply


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Acmlmboard - commit 47be4dc [2021-08-23]
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30 database queries, 2 query cache hits.
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Script execution time: 0.023935 seconds
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