+#define USB_PIPE_TYPE_SHIFT 30
+#define USB_PIPE_TYPE_MASK (3 << USB_PIPE_TYPE_SHIFT)
+
+#define USB_PIPE_DEV_SHIFT 8
+#define USB_PIPE_DEV_MASK (0x7f << USB_PIPE_DEV_SHIFT)
+
+#define USB_PIPE_EP_SHIFT 15
+#define USB_PIPE_EP_MASK (0xf << USB_PIPE_EP_SHIFT)
+