_IRQn;    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;    NVIC_Init(&NVIC_InitStructure);      NVIC_PriorityGroupConfig(NVIC_PriorityGroup_0);    NVIC_InitStructure.NVIC_IRQChannel = OTG_HS_EP0_