Restructure the codebase across more files.

right/usb_interface_generic_hid.h

@@ -0,0 +1,23 @@
+#ifndef __HID_GENERIC_H__
+#define __HID_GENERIC_H__
+
+// Macros:
+
+    #define USB_GENERIC_HID_IN_BUFFER_LENGTH (64U)
+    #define USB_GENERIC_HID_OUT_BUFFER_LENGTH (64U)
+
+// Typedefs:
+
+    typedef struct _usb_device_generic_hid_struct {
+        uint32_t buffer[2][USB_GENERIC_HID_IN_BUFFER_LENGTH >> 2];
+        uint8_t bufferIndex;
+        uint8_t idleRate;
+    } usb_device_generic_hid_struct_t;
+
+// Functions:
+
+    extern usb_status_t UsbGenericHidCallback(class_handle_t handle, uint32_t event, void *param);
+    extern usb_status_t UsbGenericHidSetConfiguration(class_handle_t handle, uint8_t configuration);
+    extern usb_status_t UsbGenericHidSetInterface(class_handle_t handle, uint8_t interface, uint8_t alternateSetting);
+
+#endif