image.png
    NVIC_InitTypeDef NVIC_InitStructure;
    NVIC_Init()

    参数 代码 可选
    中断请求通道 NVIC_IRQChannel EXTIx_IRQn
    抢占优先级 NVIC_IRQChannelPreemptionPriority 0x00~0x0n
    响应优先级 NVIC_IRQChannelSubPriority 0x00~0x0n
    使能 NVIC_IRQChannelCmd ENABLE / DISABLE