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  4. 串口如何稳定接收数据(转帖)
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串口如何稳定接收数据(转帖)

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  • O Offline
    O Offline
    ohno
    wrote on last edited by
    #20

    HI Vincent007
    我以前测试过调用append是没有问题的,建议你改成ui->textEdit->insertPlainText(message);试试。
    因为我不能使用append,改成append会有这么一个问题
    一句完整的话分2次发送过来就变成2行,比如:
    “你好,谢谢你回答我的问题”。
    分两次之后,有可能变成
    “你好,”
    “谢谢你回答我的问题”

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    • B Offline
      B Offline
      blackRock
      wrote on last edited by
      #21

      我发现MFC写的程序,会将多余的数据存储到硬盘,我用10ms的间隔,发送"hello",MFC占用内存一直变化不大,但是QT却会随着时间增大,接收的数据一旦超过一屏能显示的量的话,马上就会变卡,是不是那个人写得换行代码的逻辑非常复杂低效果呢

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      • B Offline
        B Offline
        blackRock
        wrote on last edited by
        #22

        我发现MFC写的程序,会将多余的数据存储到硬盘,我用10ms的间隔,发送"hello",MFC占用内存一直变化不大,但是QT却会随着时间增大,接收的数据一旦超过一屏能显示的量的话,马上就会变卡,是不是那个人写得换行代码的逻辑非常复杂低效果呢

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        • B Offline
          B Offline
          blackRock
          wrote on last edited by
          #23

          从2012到现在一直没什么改变

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          • B Offline
            B Offline
            blackRock
            wrote on last edited by
            #24

            从2012到现在一直没什么改变

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            • O Offline
              O Offline
              ohno
              wrote on last edited by
              #25

              HI blackRock blackRock
              我也发现这个问题,但是不知道你是否遇到我类似的问题。

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              • O Offline
                O Offline
                ohno
                wrote on last edited by
                #26

                HI blackRock blackRock
                我也发现这个问题,但是不知道你是否遇到我类似的问题。

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                • V Offline
                  V Offline
                  Vincent007
                  wrote on last edited by
                  #27

                  I think you should ask this question on http://qt-project.org/forums/viewforum/10/
                  because more people will answer you.

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                  • V Offline
                    V Offline
                    Vincent007
                    wrote on last edited by
                    #28

                    I think you should ask this question on http://qt-project.org/forums/viewforum/10/
                    because more people will answer you.

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                    • B Offline
                      B Offline
                      blackRock
                      wrote on last edited by
                      #29

                      我跟你遇到的肯定是一样一样的

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                      • B Offline
                        B Offline
                        blackRock
                        wrote on last edited by
                        #30

                        我跟你遇到的肯定是一样一样的

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