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我用的是UCA0和UCA1的UART，昨天跑loopback程序一切正常；早上来再跑。单步执行发现UART进入中断后不执行任何操作，
直接退出！即：
即从133行直接跳到143行！请问各位大神这是什么原因？
楼主，你好。
你的图挂了，看不到
