Firmware: switch to RAW HID (12 buttons, no keyboard emulation); host-app: HID report listener

2026-08-24 21:33:26 +02:00
parent 3cb45d7809
commit 909d9aa13c
4 changed files with 217 additions and 118 deletions
@@ -1,16 +1,61 @@
 using HidSharp;

-var devices = DeviceList.Local.GetHidDevices();
+var candidates = DeviceList.Local.GetHidDevices(vendorID: 0x2341, productID: 0x8036).ToList();

-Console.WriteLine("Périphériques HID détectés :\n");
-
-foreach (var device in devices)
+Console.WriteLine($"{candidates.Count} interface(s) trouvée(s) pour ce VID/PID :\n");
+foreach (var d in candidates)
 {
-    Console.WriteLine($"{device.GetFriendlyName()}");
-    Console.WriteLine($"  VID: 0x{device.VendorID:X4}  PID: 0x{device.ProductID:X4}");
-    Console.WriteLine($"  Path: {device.DevicePath}");
-    Console.WriteLine();
+    Console.WriteLine($"  {d.DevicePath}");
+}
+Console.WriteLine();
+
+var device = candidates.FirstOrDefault(d => !d.DevicePath.Contains("kbd", StringComparison.OrdinalIgnoreCase));
+
+if (device is null)
+{
+    Console.WriteLine("Interface Raw HID non trouvée (seule l'interface clavier standard a été détectée).");
+    return;
 }

-Console.WriteLine("Appuie sur une touche pour quitter...");
-Console.ReadKey();
+Console.WriteLine($"Ouverture de : {device.DevicePath}\n");
+
+using var stream = device.Open();
+stream.ReadTimeout = Timeout.Infinite;
+
+Console.WriteLine($"MaxInputReportLength: {device.GetMaxInputReportLength()}");
+Console.WriteLine($"MaxOutputReportLength: {device.GetMaxOutputReportLength()}");
+
+var buffer = new byte[device.GetMaxInputReportLength()];
+ushort lastMask = 0;
+
+Console.WriteLine("En écoute... appuie sur chaque bouton un par un (Ctrl+C pour quitter)\n");
+
+while (true)
+{
+    int count;
+    try
+    {
+        count = stream.Read(buffer, 0, buffer.Length);
+    }
+    catch (TimeoutException)
+    {
+        continue;
+    }
+
+    int offset = count > 2 ? 1 : 0;
+    ushort mask = (ushort)(buffer[offset] | (buffer[offset + 1] << 8));
+
+    if (mask != lastMask)
+    {
+        ushort changed = (ushort)(mask ^ lastMask);
+        for (int bit = 0; bit < 12; bit++)
+        {
+            if ((changed & (1 << bit)) != 0)
+            {
+                bool pressed = (mask & (1 << bit)) != 0;
+                Console.WriteLine($"Bit {bit}: {(pressed ? "PRESSÉ" : "relâché")}");
+            }
+        }
+        lastMask = mask;
+    }
+}