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关于2540usbdongle HostTesAapp demo。



为什么电脑串口助手不能识别2540 usbdongle HostTesAapp 的串口?使用常用的3种串口助手都不行。要么根本找不到这个串口,要么在打开串口的时候工具崩溃。求大神指点。我想通过串口调试工具与dongle通信。