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接收数据问题 #1

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white-poplar opened this issue Oct 16, 2020 · 0 comments

white-poplar commented Oct 16, 2020 •

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你好，我用这个程序测试16进制串口通信，第一次点击发送，接收数据没有触发，第二次点发送接收数据才触发。请问是大概会是什么问题呀？测试了好几次都是这样的。

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