Add device_class strings to cm108

src/cm108.c

@@ -68,6 +68,66 @@
 
 #include "cm108.h"
 
+#include <stdio.h>
+
+const char* get_usb_device_class_string(int device_class) {
+    switch (device_class) {
+        case 0x00:
+            return "Device Unspecified (Defined at Interface level)";
+        case 0x01:
+            return "Audio";
+        case 0x02:
+            return "Communications and CDC Control";
+        case 0x03:
+            return "Human Interface Device (HID)";
+        case 0x05:
+            return "Physical Interface Device";
+        case 0x06:
+            return "Image (Scanner, Camera)";
+        case 0x07:
+            return "Printer";
+        case 0x08:
+            return "Mass Storage";
+        case 0x09:
+            return "Hub";
+        case 0x0A:
+            return "CDC Data";
+        case 0x0B:
+            return "Smart Card";
+        case 0x0D:
+            return "Content Security";
+        case 0x0E:
+            return "Video";
+        case 0x0F:
+            return "Personal Healthcare";
+        case 0x10:
+            return "Audio/Video Devices";
+        case 0x11:
+            return "Billboard Device Class";
+        case 0x12:
+            return "USB Type-C Bridge Class";
+        case 0x13:
+            return "Bulk Display";
+        case 0x14:
+            return "MCTCP over USB";
+        case 0x3C:
+            return "I3C";
+        case 0x58:
+            return "Xbox";
+        case 0xDC:
+            return "Diagnostic Device";
+        case 0xE0:
+            return "Wireless Controller";
+        case 0xEF:
+            return "Miscellaneous";
+        case 0xFE:
+            return "Application Specific";
+        case 0xFF:
+            return "Vendor Specific";
+        default:
+            return "Unknown Device Class";
+    }
+}
 
 /**
  * \brief Open CM108 HID port (/dev/hidraw<i>X</i>).