https://www.amobbs.com/thread-5475258-1-1.html
1、分别例化(同时例化出现只有一个中断能用);
2、抢占式优先级,即优先级可以相同(如下),相同时:抢占式优先。
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority =2;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority =2;
两个串口中断同时开启问题
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转载自blog.csdn.net/abc54188116/article/details/90261402
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