stm32设置优先级分组抢占
#include "stm32f10x.h" static EXTI_InitTypeDef EXTI_InitStructure; static GPIO_InitTypeDef GPIO_InitStructure; static NVIC_InitTypeDef
#include "stm32f10x.h" static EXTI_InitTypeDef EXTI_InitStructure; static GPIO_InitTypeDef GPIO_InitStructure; static NVIC_InitTypeDef
@arg NVIC_PriorityGroup_0: 0 bits for pre-emption priority //不支持抢占优先级 * &n