USB_RECV
ep_dir = ep_is_in(ep) ? USB_SEND : USB_RECV;
ep_dir = ep_is_in(ep) ? USB_SEND : USB_RECV;
struct_ep_qh_setup(udc, 0, USB_RECV, USB_ENDPOINT_XFER_CONTROL,
dr_ep_setup(0, USB_RECV, USB_ENDPOINT_XFER_CONTROL);
? USB_SEND : USB_RECV),
? USB_SEND : USB_RECV),