TUSB_DEV_CONF_ID_SEL
dev_conf |= TUSB_DEV_CONF_ID_SEL;
dev_conf |= (TUSB_DEV_CONF_ID_SEL | TUSB_DEV_CONF_SOFT_ID);
dev_conf &= ~(TUSB_DEV_CONF_ID_SEL | TUSB_DEV_CONF_SOFT_ID);