XUSB_BUFFREADY_OFFSET
udc->write_fn(udc->addr, XUSB_BUFFREADY_OFFSET, 1);
udc->write_fn(udc->addr, XUSB_BUFFREADY_OFFSET, 1);
udc->write_fn(udc->addr, XUSB_BUFFREADY_OFFSET, 1);
udc->write_fn(udc->addr, XUSB_BUFFREADY_OFFSET, 1);
udc->write_fn(udc->addr, XUSB_BUFFREADY_OFFSET, 1);
udc->write_fn(udc->addr, XUSB_BUFFREADY_OFFSET,
udc->write_fn(udc->addr, XUSB_BUFFREADY_OFFSET,
udc->write_fn(udc->addr, XUSB_BUFFREADY_OFFSET,
udc->write_fn(udc->addr, XUSB_BUFFREADY_OFFSET,
udc->write_fn(udc->addr, XUSB_BUFFREADY_OFFSET,
udc->write_fn(udc->addr, XUSB_BUFFREADY_OFFSET,