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工控最強王者
世上無(wú)難事，只怕有心人
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樓主  發(fā)表于: 2019-01-16 11:34
我在vs上寫(xiě)得，想問(wèn)下我電腦設備管理器有個(gè)COM1的通訊端口，我可以在軟件上寫(xiě)關(guān)聯(lián)這個(gè)端口然后發(fā)送數據嗎，參數設置一樣了，我試過(guò)發(fā)送沒(méi)反應也沒(méi)有數據接受
king_king2
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1樓  發(fā)表于: 2019-01-16 18:21
端口號必須要一樣，但是參數可以在打開(kāi)串口前重設的。使用串口線(xiàn)最好用帶TXD,RXD燈的，這個(gè)樣子你可以看到有沒(méi)有數據在發(fā)送。如果燈亮就說(shuō)明數據是發(fā)送OK的，至于格式什么的，就不能確定的

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