LEDBITS_USB0
reg &= ~(LEDBITS_USB0 | LEDBITS_USB1);
reg |= LEDBITS_USB0 | LEDBITS_USB1 | LEDBITS_STATUS | LEDBITS_READY;
reg &= ~(LEDBITS_USB0 | LEDBITS_USB1);
reg |= LEDBITS_USB0 | LEDBITS_USB1;
(void *)(uintptr_t)LEDBITS_USB0);
(void *)(uintptr_t)(LEDBITS_USB0 | LEDBITS_USB1));
reg &= ~LEDBITS_USB0;