frmcountertester.frm

使用研华DAQ实现研华数据采集卡的多种功能。包括数据输入输出等。内含多个源码

VERSION 5.00
Object = "{4E2051E6-9099-11D2-A9D2-002018650913}#1.1#0"; "adcounter.ocx"
Begin VB.Form frmCounterTester 
   Caption         =   "Counter Demo"
   ClientHeight    =   3690
   ClientLeft      =   45
   ClientTop       =   270
   ClientWidth     =   7185
   LinkTopic       =   "Form1"
   ScaleHeight     =   3690
   ScaleWidth      =   7185
   StartUpPosition =   2  'CenterScreen
   Begin DAQCounterLib.DAQCounter DAQCounter1 
      Height          =   495
      Left            =   5760
      TabIndex        =   23
      Top             =   240
      Width           =   495
      _Version        =   65537
      _ExtentX        =   864
      _ExtentY        =   864
      _StockProps     =   0
      ErrorCode       =   10002
      ErrorMessage    =   "The OpenDevice method must be called before performing any I/O operations."
   End
   Begin VB.Frame Frame3 
      Caption         =   "Counter Read:"
      Height          =   2052
      Left            =   3960
      TabIndex        =   15
      Top             =   1440
      Width           =   3012
      Begin VB.TextBox Error 
         Height          =   285
         Left            =   1680
         TabIndex        =   22
         Top             =   1560
         Width           =   1095
      End
      Begin VB.TextBox txtCounter 
         Height          =   288
         Index           =   0
         Left            =   1680
         TabIndex        =   18
         Text            =   "0"
         Top             =   1080
         Width           =   1092
      End
      Begin VB.CommandButton cmdCounterStart 
         Caption         =   "Counter Start"
         Height          =   372
         Left            =   120
         TabIndex        =   17
         Top             =   480
         Width           =   1215
      End
      Begin VB.CommandButton cmdCounterStop 
         Caption         =   "Counter Stop"
         Height          =   372
         Left            =   1680
         TabIndex        =   16
         Top             =   480
         Width           =   1215
      End
      Begin VB.Timer ScanTimer 
         Enabled         =   0   'False
         Interval        =   1000
         Left            =   2400
         Top             =   1440
      End
      Begin VB.Label Label9 
         Caption         =   "Error Message"
         Height          =   255
         Left            =   240
         TabIndex        =   21
         Top             =   1560
         Width           =   1215
      End
      Begin VB.Label Label3 
         Caption         =   "Counter value:"
         Height          =   252
         Left            =   240
         TabIndex        =   19
         Top             =   1200
         Width           =   1092
      End
   End
   Begin VB.CommandButton cmdExit 
      Caption         =   "Close"
      Height          =   372
      Left            =   5520
      TabIndex        =   14
      Top             =   920
      Width           =   1452
   End
   Begin VB.Frame Frame2 
      Caption         =   "Property Settings:"
      Height          =   2052
      Left            =   120
      TabIndex        =   6
      Top             =   1440
      Width           =   3732
      Begin VB.ComboBox cmbChannel 
         Height          =   288
         ItemData        =   "frmCounterTester.frx":0000
         Left            =   1080
         List            =   "frmCounterTester.frx":0007
         TabIndex        =   13
         Top             =   240
         Width           =   1332
      End
      Begin VB.ComboBox cmbGateMode 
         Height          =   315
         ItemData        =   "frmCounterTester.frx":000E
         Left            =   1080
         List            =   "frmCounterTester.frx":0021
         TabIndex        =   11
         Top             =   720
         Width           =   1215
      End
      Begin VB.TextBox txtScanTime 
         Height          =   288
         Left            =   1080
         TabIndex        =   8
         Text            =   "100"
         Top             =   1320
         Width           =   1332
      End
      Begin VB.Label Label8 
         Caption         =   "(only if PCL830)"
         Height          =   255
         Left            =   2400
         TabIndex        =   20
         Top             =   720
         Width           =   1215
      End
      Begin VB.Label Label7 
         Caption         =   "Channel :"
         Height          =   252
         Left            =   120
         TabIndex        =   12
         Top             =   360
         Width           =   852
      End
      Begin VB.Label Label6 
         Caption         =   "ms"
         Height          =   252
         Left            =   2520
         TabIndex        =   10
         Top             =   1420
         Width           =   372
      End
      Begin VB.Label Label4 
         Caption         =   "Gate Mode :"
         Height          =   252
         Left            =   120
         TabIndex        =   9
         Top             =   840
         Width           =   972
      End
      Begin VB.Label Label5 
         Caption         =   "Scan Time:                                    ms"
         Height          =   255
         Left            =   120
         TabIndex        =   7
         Top             =   1360
         Width           =   855
      End
   End
   Begin VB.Frame Frame1 
      Caption         =   "Select Device :"
      Height          =   1212
      Left            =   120
      TabIndex        =   0
      Top             =   120
      Width           =   5172
      Begin VB.CommandButton cmdSelectDevice 
         Caption         =   "&Select Device"
         Default         =   -1  'True
         Height          =   375
         Left            =   3480
         TabIndex        =   3
         ToolTipText     =   "Selecting device to operation"
         Top             =   240
         Width           =   1455
      End
      Begin VB.TextBox txtDeviceName 
         Height          =   285
         Left            =   1320
         TabIndex        =   2
         Text            =   "AdvanTech"
         ToolTipText     =   "Device Name"
         Top             =   720
         Width           =   3612
      End
      Begin VB.TextBox txtDeviceNum 
         Height          =   285
         Left            =   1320
         TabIndex        =   1
         Text            =   "-100"
         ToolTipText     =   "Device Number"
         Top             =   300
         Width           =   855
      End
      Begin VB.Label Label2 
         AutoSize        =   -1  'True
         Caption         =   "Device Name :"
         Height          =   195
         Left            =   120
         TabIndex        =   5
         Top             =   765
         Width           =   1065
      End
      Begin VB.Label Label1 
         AutoSize        =   -1  'True
         Caption         =   "Device No. :"
         Height          =   195
         Left            =   120
         TabIndex        =   4
         Top             =   365
         Width           =   900
      End
   End
End
Attribute VB_Name = "frmCounterTester"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim temp As Long

Private Sub cmbChannel_Click()
    DAQCounter1.Channel = cmbChannel.ListIndex
End Sub

Private Sub cmbGateMode_Click()
    DAQCounter1.GateMode = cmbGateMode.ListIndex
End Sub

Private Sub cmdCounterStart_Click()
    If DAQCounter1.OpenDevice Then
        MsgBox DAQCounter1.ErrorMessage, vbOKOnly
        Exit Sub
    End If
    
    DAQCounter1.Channel = cmbChannel.ListIndex
    DAQCounter1.GateMode = cmbGateMode.ListIndex
    
    cmdSelectDevice.Enabled = False
    
    cmdCounterStart.Enabled = False
    cmdCounterStop.Enabled = True
    cmdExit.Enabled = False
    DAQCounter1.EnableCounter True
    ScanTimer.Enabled = True
End Sub

Private Sub cmdCounterStop_Click()
   Dim j As Integer
   DAQCounter1.EnableCounter False
   
   If DAQCounter1.CloseDevice Then
      MsgBox DAQCounter1.ErrorMessage, vbOKOnly
      Exit Sub
   End If

   ScanTimer.Enabled = False
   cmdSelectDevice.Enabled = True
   cmdCounterStart.Enabled = True
   cmdCounterStop.Enabled = False
   cmdExit.Enabled = True
End Sub

Private Sub cmdExit_Click()
   Unload Me
   End
End Sub

Private Sub cmdSelectDevice_Click()
    Dim Ret As Long
   
    Ret = DAQCounter1.SelectDevice
   
    txtDeviceNum.Text = DAQCounter1.DeviceNumber
    txtDeviceName.Text = DAQCounter1.DeviceName
   
    DAQCounter1.DeviceNumber = DAQCounter1.DeviceNumber
    DAQCounter1.DeviceName = DAQCounter1.DeviceName
   If DAQCounter1.OpenDevice Then
      MsgBox DAQCounter1.ErrorMessage, vbOKOnly
      Exit Sub
   End If
   cmbChannel.Clear
   
   If DAQCounter1.MaxCounterNumber = 0 Then
        MsgBox "Function Not Supported", vbOKOnly
        Unload Me
        End
   End If
   
   For i = 0 To DAQCounter1.MaxCounterNumber - 1
      cmbChannel.AddItem (Str(i))
   Next i
   
   If DAQCounter1.MaxCounterNumber Then
      cmbChannel.ListIndex = DAQCounter1.Channel
   End If
End Sub

Private Sub Form_Load()
    'Select Default device
    Call cmdSelectDevice_Click
    
    txtDeviceNum.Text = DAQCounter1.DeviceNumber
    cmdCounterStop.Enabled = False
    ScanTimer.Enabled = False
    cmbChannel.ListIndex = DAQCounter1.Channel
    cmbGateMode.ListIndex = DAQCounter1.GateMode
End Sub

Private Sub Form_Unload(Cancel As Integer)
   DAQCounter1.EnableCounter False
   DAQCounter1.CloseDevice
   ScanTimer.Enabled = False
End Sub

Private Sub ScanTimer_Timer()
   temp = DAQCounter1.CounterValue
   Error.Text = DAQCounter1.ErrorMessage
   If DAQCounter1.ErrorCode Then
        MsgBox "Error Message is " & DAQCounter1.ErrorMessage, vbCritical
        Exit Sub
   End If
   txtCounter(0).Text = DAQCounter1.CounterValue
End Sub

Private Sub txtDeviceNum_Change()
    DAQCounter1.DeviceNumber = Val(txtDeviceNum.Text)
    txtDeviceName.Text = DAQCounter1.DeviceName
End Sub

Private Sub txtScanTime_Change()
   ScanTimer.Interval = Val(txtScanTime.Text)
End Sub