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MSP430 如何检测UART是否连接



你好,

现有一种场景需要在MSP430上电后检测UART口是否与上位机进行连接,如果连接则初始化UART口,进行握手通信。如果没有则进入主循环。

请问有没有方法检测到UART口有无连接?谢谢!