为什么我的串行通信在循环启动时停止工作？ [英] Why my serial communication stop working when loop is started?

问题描述

我遇到串行数据通信问题，如果我开始循环，它不会更新我的秤中的数据。我无法弄清楚如何继续通信以及运行循环。我的代码的逻辑将在循环中，所以我可以检查我的整数值并将其与串行数据中的数据进行比较（称重）



这是我收到数据的代码

I have problem with serial data communication if I started a loop it is not updating the data from my weighing scale. I can't figure out how to continue the communication as well as to run the loop. The logic of my code will be in the loop so I could check the value from my integer and compare it to the data from serial data (Weighing Scale)

This is the code where I receive the data

Private Sub conWeight_DataReceived(sender As System.Object, e As System.IO.Ports.SerialDataReceivedEventArgs) Handles conWeight.DataReceived
        receivedText(conWeight.ReadExisting())
    End Sub
    Private Sub receivedText(ByVal [text] As String)
        If Me.lblWeight.InvokeRequired Then
            Dim x As New SetTextCallback(AddressOf receivedText)
            Me.Invoke(x, New Object() {(text)})
        Else


            Dim reverseString As String = [text]
            Dim revString As String = StrReverse(reverseString)
            Dim clean As String
            clean = revString.Replace("=", "")
            Me.lblWeight.Text = clean 'append text
        End If
    End Sub

这是循环函数

This is the function with loop

Function batching() As String
        BunifuFlatButton1.Enabled = False
        If binWeight = 0 Then
            targetweight = CInt(txtbSilo1.Text) + CInt(txtbSilo2.Text) + CInt(txtbSilo3.Text) + CInt(txtbSilo4.Text)
            If CInt(txtbSilo1.Text) > 0 Then
                currentWeight = CInt(txtbSilo1.Text)
                frmAutomaticControl.conControl.Open()
                frmAutomaticControl.conControl.Write("motr1")
                frmAutomaticControl.conControl.Close()
                MsgBox("check")
                Do
                    If binWeight >= currentWeight Then
                        frmAutomaticControl.conControl.Open()
                        frmAutomaticControl.conControl.Write("moto1")
                        frmAutomaticControl.conControl.Close()
                        Exit Do
                    End If

                Loop
            Else

            End If
            BunifuFlatButton1.Enabled = True
        Else
            MsgBox("Empty The Bin")
        End If

        Return 0
    End Function

我尝试过：



我已将其更改为do或其他循环。

What I have tried:

I already to changed it into do while or other loop.

推荐答案

如果没有您的设备和数据，我们无法分辨。



所以，这取决于你。

幸运的是，你有一个工具可以帮你找到发生了什么：调试器。如果你不知道如何使用它，谷歌应该给你你需要的信息。



在函数的第一行放一个断点，然后运行你的代码通过调试器。然后查看您的代码，并查看您的数据并找出手动应该发生的事情。然后单步执行每一行检查您预期发生的情况正是如此。如果不是，那就是当你遇到问题时，你可以回溯（或者再次运行并仔细观察）以找出原因。


对不起，但我们不能为你做到这一点 - 时间让你学习一门新的（非常非常有用的）技能：调试！

Without your device and data we can't tell.

So, it's going to be up to you.
Fortunately, you have a tool available to you which will help you find out what is going on: the debugger. If you don't know how to use it then Google should give you the info you need.

Put a breakpoint on the first line in the function, and run your code through the debugger. Then look at your code, and at your data and work out what should happen manually. Then single step each line checking that what you expected to happen is exactly what did. When it isn't, that's when you have a problem, and you can back-track (or run it again and look more closely) to find out why.

Sorry, but we can't do that for you - time for you to learn a new (and very, very useful) skill: debugging!

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