form1.frm

实现串口波特率、奇偶校验的自动测试

VERSION 5.00
Object = "{648A5603-2C6E-101B-82B6-000000000014}#1.1#0"; "MSCOMM32.OCX"
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   9105
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   14055
   LinkTopic       =   "Form1"
   ScaleHeight     =   9105
   ScaleWidth      =   14055
   StartUpPosition =   3  'Windows Default
   Begin VB.CommandButton Command2 
      Caption         =   "Pause"
      Height          =   615
      Left            =   9960
      TabIndex        =   4
      Top             =   600
      Width           =   1575
   End
   Begin VB.CommandButton Command1 
      Caption         =   "Start"
      Height          =   615
      Left            =   2400
      TabIndex        =   1
      Top             =   600
      Width           =   1575
   End
   Begin VB.TextBox Text1 
      BackColor       =   &H80000007&
      ForeColor       =   &H0000C000&
      Height          =   7095
      Left            =   600
      Locked          =   -1  'True
      MultiLine       =   -1  'True
      ScrollBars      =   2  'Vertical
      TabIndex        =   0
      Top             =   1680
      Width           =   12975
   End
   Begin MSCommLib.MSComm MSComm1 
      Left            =   240
      Top             =   240
      _ExtentX        =   1005
      _ExtentY        =   1005
      _Version        =   393216
      DTREnable       =   0   'False
   End
   Begin VB.Label Label2 
      Caption         =   "Comm Settings"
      BeginProperty Font 
         Name            =   "MS Sans Serif"
         Size            =   13.5
         Charset         =   0
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   4200
      TabIndex        =   3
      Top             =   720
      Width           =   1935
   End
   Begin VB.Label Label1 
      BorderStyle     =   1  'Fixed Single
      Caption         =   "Label1"
      BeginProperty Font 
         Name            =   "MS Sans Serif"
         Size            =   13.5
         Charset         =   0
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   375
      Left            =   6480
      TabIndex        =   2
      Top             =   720
      Width           =   3255
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Command1_Click()
    Dim i As Integer
    Dim j As Integer
    Dim k As Integer
    Dim l As Integer
    Dim m As Integer
    
    Dim sSerialSettings As String
    Dim nWaitTime As Integer
    Dim sInput As String


    Dim n As Integer
    Dim sHexInput As String
    'Dim nTmp As Integer
    'Dim sTmp As String
    
    bRunning = True
        
    For i = LBound(sBaudRates) To UBound(sBaudRates)
        For j = LBound(sParitys) To UBound(sParitys)
            For k = LBound(sDataBits) To UBound(sDataBits)
                For l = LBound(sStopBits) To UBound(sStopBits)
                
                    'Process the Testing
                    MSComm1.Settings = sBaudRates(i) + "," + sParitys(j) + "," + sDataBits(k) + "," + sStopBits(l)
                    MSComm1.PortOpen = True
                    
                    For m = LBound(sCommands) To UBound(sCommands)
                        While (bRunning <> True)
                            Call Sleep(1000)
                        Wend
                        
                        MSComm1.Output = sCommands(m)
                        Call Sleep(200)

                        If (MSComm1.InBufferCount > 0) Then
 
                            'sHexInput = ""
                            'sInput = MSComm1.Input
                            
                            'For n = 1 To LenB(sInput)
                                'sHexInput = Hex(Asc(Mid(sInput, n, 1)))
                                'sTmp = MidB(sInput, n, 1)
                                'nTmp = AscB(sTmp)
                                'sTmp = Hex(nTmp)
                                
                             '   sHexInput = sHexInput + Hex(AscB(MidB(sInput, n, 1))) + " "
                            'Next n
                            
                            Label1.Caption = MSComm1.Settings
                            'Label1.Refresh
                            
                            'Text1.Text = Text1.Text + MSComm1.Settings + ":" + ChrB(9) + "INPUT:[" + sInput + "]" + sHexInput + vbCrLf
                            'Text1.Refresh
                            
                        End If
                    Next
                    
                    MSComm1.PortOpen = False
                    Call Sleep(1000)
                Next
            Next
        Next
    Next
End Sub


Private Sub Command2_Click()
    If bRunning = True Then
        bRunning = False
        Command2.Caption = "Restart"
    Else
        bRunning = True
        Command2.Caption = "Pause"
    End If
End Sub

Private Sub Form_Load()
    '#################
    'Init Variable
    '#################
    
    sBaudRates() = Split("19200;9600;1200;2400;4800;14400;38400;56000;57600;115200", ";")
    sParitys() = Split("N;O;E;M;S", ";")
    sDataBits() = Split("8;7;6", ";")
    sStopBits() = Split("1;2", ";")
    
    'for testing
    'sBaudRates() = Split("9600;19200", ";")
    'sParitys() = Split("N", ";")
    'sDataBits() = Split("8", ";")
    'sStopBits() = Split("1", ";")
    
    'Init the Modbus Commands
    sCommands(0) = "#01RD" + vbCr
    sCommands(1) = "#01RH+" + vbCr
    sCommands(2) = "#01RL-" + vbCr
    
    
    'MSComm settings Init
    MSComm1.CommPort = 1
    MSComm1.InputLen = 0
    MSComm1.InputMode = 1
    MSComm1.InBufferSize = 256
    MSComm1.OutBufferSize = 256
    'MSComm1.SThreshold = 1
    'MSComm1.RThreshold = 1
    
    
    Text1.Text = "  Serial Port Tester  " + vbCrLf
    
    Label1.Caption = ""
    
    bRunning = False
    
    'bStart = False
    
End Sub


Private Sub MSComm1_OnComm()
    Dim i As Integer
    Dim sHexInput As Integer
    
    Select Case MSComm1.CommEvent
        Case comEvReceive
            sHexInput = ""
            For i = 0 To LenB(MSComm1.Input)
                sHexInput = sHexInput + Hex(AscB(MidB(MSComm1.Input, i))) + " "
            Next
            
            Text1.Text = Text1.Text + MSComm1.Settings + ":" + vbTab + "INPUT:[" + sHexInput + "]" + vbCrLf
        
    End Select
End Sub