pcan_usb_fd_set_can_led
pcan_usb_fd_set_can_led(dev, PCAN_UFD_LED_DEF);
pcan_usb_fd_set_can_led(dev, PCAN_UFD_LED_OFF);
err = pcan_usb_fd_set_can_led(dev, PCAN_UFD_LED_FAST);
err = pcan_usb_fd_set_can_led(dev, PCAN_UFD_LED_DEF);