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帮忙排查一下UART进入错误中断的原因: 如下图所示为进入断点时,相应的控制寄存器和状态寄存器值。
进入BUF_OVER这个分支了
接收buffer overrun了,提高中断优先级
Frank 这个优先级调整有啥要求吗?调整到比所有其他外设优先级都高?这么调整会影响其他外设通信吗?
最高配置为1。至于影响只有结合实际应用去评估和平衡了。
发帖前请查看
帮助没办法联网的电脑使用YCT
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