mangavalk/Womier-K87-signal-rgb-plugin
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Add Womier K87 SignalRGB plugin and LED mapping tools

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Per-key RGB for the wired Womier K87 (EVision firmware, 320F:502A) using the
EVision protocol, with the 87-key LED map found by hand.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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mangavalkandClaude Opus 5.5 committed 2026-10-28 23:05:05 +01:00
commit ba56c6f8de
4 files changed
+254
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tools/hidcaps.ps1
+33
View File
@@ -0,0 +1,33 @@
param([string]$Match = 'vid_320f&pid_502a')
Add-Type @"
using System;
using System.Runtime.InteropServices;
using System.Text;
public static class H {
[StructLayout(LayoutKind.Sequential)] public struct CAPS {
public ushort Usage, UsagePage, InLen, OutLen, FeatLen;
[MarshalAs(UnmanagedType.ByValArray, SizeConst=17)] public ushort[] R;
public ushort a,b,c,d,e,f,g,h,i,j;
}
[DllImport("kernel32.dll", SetLastError=true, CharSet=CharSet.Unicode)]
public static extern IntPtr CreateFile(string n, uint a, uint s, IntPtr sa, uint c, uint f, IntPtr t);
[DllImport("kernel32.dll")] public static extern bool CloseHandle(IntPtr h);
[DllImport("hid.dll")] public static extern bool HidD_GetPreparsedData(IntPtr h, out IntPtr p);
[DllImport("hid.dll")] public static extern bool HidD_FreePreparsedData(IntPtr p);
[DllImport("hid.dll")] public static extern int HidP_GetCaps(IntPtr p, out CAPS c);
[DllImport("hid.dll", CharSet=CharSet.Unicode)] public static extern bool HidD_GetProductString(IntPtr h, StringBuilder b, int l);
[DllImport("hid.dll", CharSet=CharSet.Unicode)] public static extern bool HidD_GetManufacturerString(IntPtr h, StringBuilder b, int l);
}
"@
$guid = '{4d1e55b2-f16f-11cf-88cb-001111000030}'
Get-PnpDevice -PresentOnly -Class HIDClass,Keyboard | Where-Object { $_.InstanceId -match [regex]::Escape($Match) } | ForEach-Object {
$path = '\\?\' + ($_.InstanceId -replace '\\','#') + '#' + $guid
$h = [H]::CreateFile($path, 0, 3, [IntPtr]::Zero, 3, 0, [IntPtr]::Zero)
if ($h -eq [IntPtr]-1) { "$($_.InstanceId): open failed"; return }
$p = [IntPtr]::Zero; [void][H]::HidD_GetPreparsedData($h, [ref]$p)
$c = New-Object H+CAPS; [void][H]::HidP_GetCaps($p, [ref]$c)
$ps = New-Object Text.StringBuilder 256; [void][H]::HidD_GetProductString($h, $ps, 512)
$ms = New-Object Text.StringBuilder 256; [void][H]::HidD_GetManufacturerString($h, $ms, 512)
'{0,-50} page=0x{1:X4} usage=0x{2:X4} in={3} out={4} feat={5} prod="{6}" mfr="{7}"' -f $_.InstanceId.Split('\')[1], $c.UsagePage, $c.Usage, $c.InLen, $c.OutLen, $c.FeatLen, $ps, $ms
[void][H]::HidD_FreePreparsedData($p); [void][H]::CloseHandle($h)
}