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樓主  發(fā)表于: 2020-07-03 09:28
用C#開(kāi)發(fā)的232串口通訊與PLC進(jìn)行讀寫(xiě)，每隔200MS讀一次，讀完之后休眠200MS
，在休眠過(guò)程中寫(xiě)入數據是可以的，但是在讀取的時(shí)候寫(xiě)入數據就會(huì )報錯，請大神指教。
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1樓  發(fā)表于: 2020-07-03 15:44
肯定了 串口就是讀的時(shí)候不能寫(xiě) 寫(xiě)的時(shí)候不能讀 就像單行道一樣
樓主留言：
單行道也行，我可以在讀取休眠時(shí)間去寫(xiě)啊，但是鑒于寫(xiě)入是隨機的，就會(huì )引發(fā)報錯啊
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