USB_EVENT_CTRLR_ATTACH  196 dev/usb/usb.c  	usb_add_event(USB_EVENT_CTRLR_ATTACH, &ue);
USB_EVENT_CTRLR_ATTACH  637 dev/usb/usb.h  #define USB_EVENT_IS_ATTACH(n) ((n) == USB_EVENT_CTRLR_ATTACH || (n) == USB_EVENT_DEVICE_ATTACH || (n) == USB_EVENT_DRIVER_ATTACH)