优先级怎么设置?
时间:10-02
整理:3721RD
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stm32单片机,矩阵键盘怎么设置优先级的?
在NVIC里面配置 NVIC_PriorityGroupConfig设置优先级分组,NVIC_IRQChannel指定中断源NVIC_IRQChannelPreemptionPriority抢占式优先级别,NVIC_IRQChannelSubPriority 响应优先级别