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vb.net - 除非按部就类,否则妨碍自身功能运行的定时器

转载 作者:行者123 更新时间:2023-12-01 01:58:09 25 4
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我有一个问题,自上周以来我一直在解决这个问题,尽管高级开发人员提出了建议。

我想通过计时器通过 COM 端口向电机发送机动命令。

  • 当我一步一步地做或者当我添加一个停止点时,这是
    好的!但是,当我让计时器和程序运行时
    他们自己,机动命令永远不会发生!为什么?命令
    应该像逐步方法一样运行!

  • 我实际上是在调用一个方法 envoi_commande_motorisation()没有任何争论。它只是将特定格式的帧发送到 COM 端口,以使电机移动。然而,在逐步退出调试时,它似乎永远不会被调用。此命令包含在 Timer_moto_tick(sender, e) As Timer_moto.tick 中这只是我用来定期验证电机是否处于正确方位角的计时器,通过 Demande_etat_motorisation() 知道它的位置.

    我将计时器的频率从 1000 毫秒更改为 3000 毫秒,每次 500 毫秒,但它没有改变任何东西......
  • 我添加了一个按钮,调用 envoi_commande_motorisation()手动,它的工作原理!然而,这是手工的,我想自动化
    它。

  • 这是犯罪现场的照片:
    Private Sub Timer_moto_Tick(sender As Object, e As EventArgs) Handles Timer_moto.Tick
    'asking for the motor position
    Demande_etat_motorisation()

    'checking if we are acually in the automatize management of the motor and not in the manual way
    If RadioButton_Manuel.Checked = False Then
    'checking if the motor isn't already at the right place
    If ((CDbl(Liste_azimut.Text) <> Val(Aff_position_azimut_source.Text)) Or (CDbl(Liste_elevation.Text) <> Val(Aff_position_site_source.Text))) Then
    'otherwise we change the motor position text and say him to go this way
    lecture_port_comm_moto()
    Liste_azimut.Text = CType(Val(Aff_position_azimut_source.Text), String)
    Liste_elevation.Text = CType(Val(Aff_position_site_source.Text), String)
    envoi_commande_motorisation()

    End If

    envoi_commande_motorisation()

    End If

    End Sub

    正如评论中所问,我也给出了 Demande_etat_motorisationenvoi_commande_motorisation
    Public Sub Demande_etat_motorisation()
    Dim i As Integer
    Dim info As String

    If init_en_cours = True Then Exit Sub


    'asking for motor state
    'frame in hexa : 57 00 00 00 00 00 00 00 00 00 00 1F 20
    tableau_hexa(0) = &H57
    For i = 1 To 10
    tableau_hexa(i) = &H00
    Next i
    tableau_hexa(11) = &H1F
    tableau_hexa(12) = &H20
    'envoi de la données
    info = "sending frames on ports "
    'port 1 -------------------------------------------------------------------------------------------------------------------------
    If etat_port_4.Checked = True And CheckBox_Moto_1.Checked = True Then
    'chosing which port for motorisation
    Try

    Select Case Liste_port_4.Text
    Case Zone_param_comm1.Text
    Port_serie_1.Write(tableau_hexa, 0, 13)
    Port_serie_1.ReceivedBytesThreshold = seuil_port_reception_moto
    Case Zone_param_comm2.Text
    Port_serie_2.Write(tableau_hexa, 0, 13)
    Port_serie_2.ReceivedBytesThreshold = seuil_port_reception_moto
    Case Zone_param_comm3.Text
    Port_serie_3.Write(tableau_hexa, 0, 13)
    Port_serie_3.ReceivedBytesThreshold = seuil_port_reception_moto

    End Select

    Catch ex As Exception
    zone1.Text = "Error Motorisation 1 : " + ex.ToString
    End Try
    End If
    'End If
    'port 2 ----------------------------------------------------------------------------------------------------------------------
    If etat_port_5.Checked = True And CheckBox_Moto_2.Checked = True Then
    'sending the command
    'here we chose which port to write in for the motor
    Try
    'assignation du à ouvrir
    Select Case Liste_port_5.Text
    Case Zone_param_comm1.Text
    Port_serie_1.Write(tableau_hexa, 0, 13)
    Port_serie_1.ReceivedBytesThreshold = seuil_port_reception_moto
    Case Zone_param_comm2.Text
    Port_serie_2.Write(tableau_hexa, 0, 13)
    Port_serie_2.ReceivedBytesThreshold = seuil_port_reception_moto
    Case Zone_param_comm3.Text
    Port_serie_3.Write(tableau_hexa, 0, 13)
    Port_serie_3.ReceivedBytesThreshold = seuil_port_reception_moto

    End Select

    Catch ex As Exception
    zone1.Text = "Error Motorisation 2 : " + ex.ToString
    End Try
    End If

    End Sub

    Public Sub envoi_commande_motorisation()
    'sending data on serial ports
    'sending 13 chars
    Dim i As Integer
    Dim cjunk, cjunk1 As String
    Dim nombre As Integer
    Dim info As String

    BorneMinAz = Nothing
    BorneMaxAz = Nothing
    BorneMinElev = Nothing
    BorneMaxElev = Nothing

    If init_en_cours = True Then Exit Sub
    If Me.Liste_azimut.Text <> "" And Me.Liste_elevation.Text <> "" Then
    Me.zone1.Text = ""
    'classical command is being sent
    tableau_hexa(0) = &H57
    tableau_hexa(1) = &H30
    'in degree degre
    tableau_hexa(5) = &H1
    tableau_hexa(6) = &H30

    tableau_hexa(10) = &H1
    'final bits for a command
    tableau_hexa(11) = &H2F
    tableau_hexa(12) = &H20
    'azimut calculation
    nombre = CInt(Liste_azimut.Text) + 360
    cjunk1 = CStr(nombre)

    'numbers upper to 100
    cjunk = Mid(cjunk1, 1, 1)
    tableau_hexa(2) = CByte(&H30 + Val(cjunk))
    'having back the decade
    cjunk = Mid(cjunk1, 2, 1)
    tableau_hexa(3) = CByte(&H30 + Val(cjunk))
    'unite
    cjunk = Mid(cjunk1, 3, 1)
    tableau_hexa(4) = CByte(&H30 + Val(cjunk))

    'tilt calculation
    nombre = CInt(Liste_elevation.Text) + 360
    cjunk1 = CStr(nombre)

    'number upper to 100
    cjunk = Mid(cjunk1, 1, 1)
    tableau_hexa(7) = CByte(&H30 + Val(cjunk))
    'decade recuperation
    cjunk = Mid(cjunk1, 2, 1)
    tableau_hexa(8) = CByte(&H30 + Val(cjunk))
    'unite
    cjunk = Mid(cjunk1, 3, 1)
    tableau_hexa(9) = CByte(&H30 + Val(cjunk))
    'affichage de la trame envoyée
    cjunk = ""
    For i = 0 To 12
    cjunk = cjunk + CStr(Hex(tableau_hexa(i))) + " "
    Next
    envoi_azimut_elevation.Text = "frame sent: " + cjunk


    info = "frames being sent on the port : "
    'port 1

    'motorisation 1 --------------------------------------------------------------------------------------------------------------------
    If etat_port_4.Checked = True And CheckBox_Moto_1.Checked = True Then
    'chosing port for motor 1
    Try

    Select Case Liste_port_4.Text
    Case Zone_param_comm1.Text
    Port_serie_1.Write(tableau_hexa, 0, 13)
    Port_serie_1.ReceivedBytesThreshold = seuil_port_reception_moto
    Case Zone_param_comm2.Text
    Port_serie_2.Write(tableau_hexa, 0, 13)
    Port_serie_2.ReceivedBytesThreshold = seuil_port_reception_moto
    Case Zone_param_comm3.Text
    Port_serie_3.Write(tableau_hexa, 0, 13)
    Port_serie_3.ReceivedBytesThreshold = seuil_port_reception_moto

    End Select

    Catch ex As Exception
    zone1.Text = "Erreur Motorisation 1 : " + ex.ToString
    End Try

    'affichage de l'info sur l'afficheur noir
    'azimut
    i = CInt(Val(Liste_azimut.Text))
    Select Case i
    Case 0 To 9
    Affiche_info_azimut.Text = "00" + Format(i, "##0")
    Case 10 To 99
    Affiche_info_azimut.Text = "0" + Format(i, "##0")
    Case Else
    Affiche_info_azimut.Text = Format(i, "##0")
    End Select
    Affiche_info_azimut.ForeColor = Color.Green
    'tilt
    i = CInt(Val(Liste_elevation.Text))
    Select Case i
    Case -9 To -1
    Affiche_info_elevation.Text = "-0" + Format(Abs(i), "##")
    Case 0 To 9
    Affiche_info_elevation.Text = "0" + Format(i, "##")

    Case Else
    Affiche_info_elevation.Text = Format(i, "##")
    End Select
    Affiche_info_elevation.ForeColor = Color.Green


    End If
    'port 2 -------------------------------------------------------------------------------------------------------------------------

    If etat_port_5.Checked = True And CheckBox_Moto_2.Checked = True Then
    'envoi de la commande
    'choix du port choisi pour la motorisation 1
    Try
    'assignation du à ouvrir
    Select Case Liste_port_5.Text
    Case Zone_param_comm1.Text
    Port_serie_1.Write(tableau_hexa, 0, 13)
    Port_serie_1.ReceivedBytesThreshold = seuil_port_reception_moto
    Case Zone_param_comm2.Text
    Port_serie_2.Write(tableau_hexa, 0, 13)
    Port_serie_2.ReceivedBytesThreshold = seuil_port_reception_moto
    Case Zone_param_comm3.Text
    Port_serie_3.Write(tableau_hexa, 0, 13)
    Port_serie_3.ReceivedBytesThreshold = seuil_port_reception_moto

    End Select

    Catch ex As Exception
    zone1.Text = "Erreur Motorisation 2 : " + ex.ToString
    End Try
    'affichage de l'info sur l'afficheur noir
    'azimut
    i = CInt(Val(Liste_azimut.Text))
    Select Case i
    Case 0 To 9
    Affiche_info_azimut.Text = "00" + Format(i, "##0")
    Case 10 To 99
    Affiche_info_azimut.Text = "0" + Format(i, "##0")
    Case Else
    Affiche_info_azimut.Text = Format(i, "##0")
    End Select
    Affiche_info_azimut.ForeColor = Color.LightGreen
    'elevation
    i = CInt(Val(Liste_elevation.Text))
    Select Case i
    Case -9 To -1
    Affiche_info_elevation.Text = "-0" + Format(Abs(i), "##")
    Case 0 To 9
    Affiche_info_elevation.Text = "0" + Format(i, "##")

    Case Else
    Affiche_info_elevation.Text = Format(i, "##")
    End Select

    Affiche_info_elevation.ForeColor = Color.Green

    'demande de position
    Demande_etat_motorisation()

    End If
    'End If
    '
    End If

    End Sub

    至今,资深开发者仍认为是定时器频率问题。

    也许我应该处理串行端口的中断,但我该如何真正做到这一点?他告诉我为每个端口设置阈值,以便通过中断开始读取,以便在缓冲区已满时读取缓冲区。

    编辑:

    诊断.调试.写线

    按照建议,我写了 Diagnostics.Debug.Writeline("some specific text here")我的程序可能在任何地方都崩溃了。实际上,在终端中写入的行中,我注意到它是 Serialports.Writeline(,,)这会造成问题。

    确实有以下代码和调试行:
    Private Sub Timer_moto_Tick(sender As Object, e As EventArgs) Handles Timer_moto.Tick
    'asking for the motor position
    Demande_etat_motorisation()

    'checking if we are acually in the automatize management of the motor and not in the manual way
    If RadioButton_Manuel.Checked = False Then

    Diagnostics.Debug.WriteLine("test if we are at the right place")

    If ((CDbl(Liste_azimut.Text) <> Val(Aff_position_azimut_source.Text)) Or (CDbl(Liste_elevation.Text) <> Val(Aff_position_site_source.Text))) Then
    lecture_port_comm_moto()
    Liste_azimut.Text = CType(Val(Aff_position_azimut_source.Text), String)
    Liste_elevation.Text = CType(Val(Aff_position_site_source.Text), String)
    envoi_commande_motorisation()

    Diagnostics.Debug.WriteLine("we have just send the orders to the camera")

    End If
    End If
    End Sub

    在终端上读取的每个调试行,我在 envoi_commande_motorisation() 中添加了一些
    Public Sub envoi_commande_motorisation()
    'sending data on serial ports
    'sending 13 chars
    Dim i As Integer
    Dim cjunk, cjunk1 As String
    Dim nombre As Integer
    Dim info As String

    BorneMinAz = Nothing
    BorneMaxAz = Nothing
    BorneMinElev = Nothing
    BorneMaxElev = Nothing

    Diagnostics.Debug.WriteLine("We just get into envoi_commande_motorisation()")

    If init_en_cours = True Then Exit Sub
    If Me.Liste_azimut.Text <> "" And Me.Liste_elevation.Text <> "" Then
    Me.zone1.Text = ""
    'classical command is being sent
    tableau_hexa(0) = &H57
    tableau_hexa(1) = &H30
    'transforming it in degree
    tableau_hexa(5) = &H1
    tableau_hexa(6) = &H30
    'again
    tableau_hexa(10) = &H1
    'final bits for a command

    tableau_hexa(11) = &H2F
    tableau_hexa(12) = &H20
    'azimut calculation
    nombre = CInt(Liste_azimut.Text) + 360
    cjunk1 = CStr(nombre)

    'number bigger than 100
    cjunk = Mid(cjunk1, 1, 1)
    tableau_hexa(2) = CByte(&H30 + Val(cjunk))
    'taking the decade
    cjunk = Mid(cjunk1, 2, 1)
    tableau_hexa(3) = CByte(&H30 + Val(cjunk))
    'unity
    cjunk = Mid(cjunk1, 3, 1)
    tableau_hexa(4) = CByte(&H30 + Val(cjunk))

    'elevation calculation
    nombre = CInt(Liste_elevation.Text) + 360
    cjunk1 = CStr(nombre)

    'number bigger than 100
    cjunk = Mid(cjunk1, 1, 1)
    tableau_hexa(7) = CByte(&H30 + Val(cjunk))
    'taking the decade
    cjunk = Mid(cjunk1, 2, 1)
    tableau_hexa(8) = CByte(&H30 + Val(cjunk))
    'units
    cjunk = Mid(cjunk1, 3, 1)
    tableau_hexa(9) = CByte(&H30 + Val(cjunk))
    displaying the frame sent
    cjunk = ""
    For i = 0 To 12
    cjunk = cjunk + CStr(Hex(tableau_hexa(i))) + " "
    Next
    envoi_azimut_elevation.Text = "Trame envoi : " + cjunk


    Diagnostics.Debug.WriteLine("We are going to get into the writes")


    info = "sending data on ports "
    'port 1
    'motorisation 1 --------------------------------------------------------------------------------------------------------------------
    If etat_port_4.Checked = True And CheckBox_Moto_1.Checked = True Then
    'chosing ports
    Try

    Select Case Liste_port_4.Text
    Case Zone_param_comm1.Text
    Port_serie_1.Write(tableau_hexa, 0, 13)
    'Port_serie_1.ReceivedBytesThreshold = seuil_port_reception_moto
    Case Zone_param_comm2.Text
    Port_serie_2.Write(tableau_hexa, 0, 13)
    'Port_serie_2.ReceivedBytesThreshold = seuil_port_reception_moto
    Case Zone_param_comm3.Text
    Port_serie_3.Write(tableau_hexa, 0, 13)
    'Port_serie_3.ReceivedBytesThreshold = seuil_port_reception_moto
    Case Zone_param_comm4.Text
    Diagnostics.Debug.WriteLine("we are going to write in COM port 4")

    Port_serie_4.Write(tableau_hexa, 0, 13)
    Diagnostics.Debug.WriteLine("We just wrote in COM Port 4")
    Timer_moto.Start()
    'Port_serie_4.ReceivedBytesThreshold = seuil_port_reception_moto
    Case Zone_param_comm5.Text
    Port_serie_5.Write(tableau_hexa, 0, 13)
    'Port_serie_5.ReceivedBytesThreshold = seuil_port_reception_moto
    Case Zone_param_comm6.Text
    Port_serie_6.Write(tableau_hexa, 0, 13)
    'Port_serie_6.ReceivedBytesThreshold = seuil_port_reception_moto
    End Select

    Catch ex As Exception
    zone1.Text = "Erreur Motorisation 1 : " + ex.ToString
    End Try

    'displaying azimut infomations on screen
    'azimut
    i = CInt(Val(Liste_azimut.Text))
    Select Case i
    Case 0 To 9
    Affiche_info_azimut.Text = "00" + Format(i, "##0")
    Case 10 To 99
    Affiche_info_azimut.Text = "0" + Format(i, "##0")
    Case Else
    Affiche_info_azimut.Text = Format(i, "##0")
    End Select
    Affiche_info_azimut.ForeColor = Color.Green
    'elevation
    i = CInt(Val(Liste_elevation.Text))
    Select Case i
    Case -9 To -1
    Affiche_info_elevation.Text = "-0" + Format(Abs(i), "##")
    Case 0 To 9
    Affiche_info_elevation.Text = "0" + Format(i, "##")

    Case Else
    Affiche_info_elevation.Text = Format(i, "##")
    End Select
    Affiche_info_elevation.ForeColor = Color.Green


    End If
    'port 2 -------------------------------------------------------------------------------------------------------------------------

    If etat_port_5.Checked = True And CheckBox_Moto_2.Checked = True Then
    'sending command
    'chosing port
    Try

    Select Case Liste_port_5.Text
    Case Zone_param_comm1.Text
    Port_serie_1.Write(tableau_hexa, 0, 13)
    'Port_serie_1.ReceivedBytesThreshold = seuil_port_reception_moto
    Case Zone_param_comm2.Text
    Port_serie_2.Write(tableau_hexa, 0, 13)
    'Port_serie_2.ReceivedBytesThreshold = seuil_port_reception_moto
    Case Zone_param_comm3.Text
    Port_serie_3.Write(tableau_hexa, 0, 13)
    'Port_serie_3.ReceivedBytesThreshold = seuil_port_reception_moto
    Case Zone_param_comm4.Text
    Port_serie_4.Write(tableau_hexa, 0, 13)
    'Port_serie_4.ReceivedBytesThreshold = seuil_port_reception_moto
    Case Zone_param_comm5.Text
    Port_serie_5.Write(tableau_hexa, 0, 13)
    'Port_serie_5.ReceivedBytesThreshold = seuil_port_reception_moto
    Case Zone_param_comm6.Text
    Port_serie_6.Write(tableau_hexa, 0, 13)
    'Port_serie_6.ReceivedBytesThreshold = seuil_port_reception_moto
    End Select

    Catch ex As Exception
    zone1.Text = "Erreur Motorisation 2 : " + ex.ToString
    End Try
    'affichage de l'info sur l'afficheur noir
    'azimut
    i = CInt(Val(Liste_azimut.Text))
    Select Case i
    Case 0 To 9
    Affiche_info_azimut.Text = "00" + Format(i, "##0")
    Case 10 To 99
    Affiche_info_azimut.Text = "0" + Format(i, "##0")
    Case Else
    Affiche_info_azimut.Text = Format(i, "##0")
    End Select
    Affiche_info_azimut.ForeColor = Color.LightGreen
    'elevation
    i = CInt(Val(Liste_elevation.Text))
    Select Case i
    Case -9 To -1
    Affiche_info_elevation.Text = "-0" + Format(Abs(i), "##")
    Case 0 To 9
    Affiche_info_elevation.Text = "0" + Format(i, "##")

    Case Else
    Affiche_info_elevation.Text = Format(i, "##")
    End Select

    Affiche_info_elevation.ForeColor = Color.Green

    'demande de position
    'Demande_etat_motorisation()

    End If
    'End If
    '
    End If
    End Sub

    Diagnostics.Debug.WriteLine消息被读取并显示在终端上,但相机没有移动 .因此,当链接到COM端口4时,我认为是 Port_serie_4.Write(tableau_hexa, 0, 13)有一个严重的问题,
    即使代码的其余部分被延迟,如下所示。
    奇怪的是它总是写我 test if we are at the right place然后。即使我下令移动,就像他认为我们在正确的地方一样,除非单击调用 envoi_commande_motorisation() 的按钮。 .
    .

    延迟

    我也在这里添加了延迟:
                   Case Zone_param_comm4.Text
    Diagnostics.Debug.WriteLine("we are going to write in COM port 4")

    Port_serie_4.Write(tableau_hexa, 0, 13)
    System.Threading.Thread.Sleep(500)
    Diagnostics.Debug.WriteLine("We just wrote in COM Port 4")

    然而,暂时没有任何变化。

    也许我应该删除这个问题或上面的代码的某些部分。请随时提出建议,并感谢您为解决此问题而提供的所有帮助。

    最佳答案

    假设您在调试期间没有禁用某些中断,那么当您单步执行那些在您让它自动运行时无法完成的程序时,在您点击“下一步”的延迟期间,可以异步完成某些事情。我查看了你的代码,没有什么是显而易见的。

    首先尝试在使用调试器执行的步骤之间添加延迟。每一步大约一秒钟,所以它就像你正在点击“下一步......下一步......下一步”,但它只会是“延迟......延迟......延迟”如果有效,请尝试消除一次延迟一个,直到它停止工作。然后你就会知道你的代码的哪一部分正在寻找尚未准备好的结果。

    我怀疑你的代码中需要一些东西来检查之前的通信是否完成。然后,如果前一个通信未完成,您将在下一个循环之前什么都不做。您可能最好将代码转换为状态机,在其中一次完成一个操作,并且在您可以验证系统已完成前一个状态之前不要移动到下一个状态。

    关于vb.net - 除非按部就类,否则妨碍自身功能运行的定时器,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/38830283/

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