frmthermo.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 = "{624EC978-8E3A-11D2-A9C9-002018650913}#1.1#0"; "adain.ocx"
Begin VB.Form frmThermo 
   Caption         =   "Thermo Tester"
   ClientHeight    =   5220
   ClientLeft      =   45
   ClientTop       =   330
   ClientWidth     =   6975
   LinkTopic       =   "Form1"
   ScaleHeight     =   5220
   ScaleWidth      =   6975
   StartUpPosition =   2  'CenterScreen
   Begin VB.Frame Frame4 
      Caption         =   "Thermo Read:"
      Height          =   3612
      Left            =   3900
      TabIndex        =   9
      Top             =   1440
      Width           =   2895
      Begin VB.TextBox txtSampleNumber 
         Height          =   372
         Left            =   240
         TabIndex        =   26
         Text            =   "0"
         Top             =   3070
         Width           =   2292
      End
      Begin VB.TextBox txtThermoReading 
         Height          =   372
         Left            =   240
         TabIndex        =   22
         Top             =   2280
         Width           =   2292
      End
      Begin VB.HScrollBar hscrlFreq 
         Height          =   252
         Left            =   240
         Max             =   100
         TabIndex        =   19
         Top             =   1080
         Value           =   10
         Width           =   2292
      End
      Begin VB.CommandButton cmdThermoStop 
         Caption         =   "St&op"
         Enabled         =   0   'False
         Height          =   375
         Left            =   1440
         TabIndex        =   11
         ToolTipText     =   "Stop Auto Scan"
         Top             =   360
         Width           =   1095
      End
      Begin VB.CommandButton cmdThermoStart 
         Caption         =   "St&art"
         Height          =   375
         Left            =   240
         TabIndex        =   10
         ToolTipText     =   "Star Auto Scan"
         Top             =   360
         Width           =   1095
      End
      Begin VB.Timer ScanTimer 
         Left            =   2400
         Top             =   480
      End
      Begin VB.Label Label13 
         Caption         =   "100 time/s"
         Height          =   255
         Left            =   1920
         TabIndex        =   27
         Top             =   1440
         Width           =   855
      End
      Begin VB.Label Label10 
         Caption         =   "Sample Number:"
         Height          =   252
         Left            =   240
         TabIndex        =   25
         Top             =   2760
         Width           =   1332
      End
      Begin VB.Label Label8 
         Caption         =   "0"
         Height          =   255
         Left            =   240
         TabIndex        =   23
         Top             =   1440
         Width           =   255
      End
      Begin VB.Label Label6 
         Caption         =   "Thermo Reading:"
         Height          =   252
         Left            =   240
         TabIndex        =   21
         Top             =   1920
         Width           =   1452
      End
      Begin VB.Label Label5 
         Caption         =   "Polling Rate:"
         Height          =   252
         Left            =   240
         TabIndex        =   20
         Top             =   840
         Width           =   972
      End
   End
   Begin VB.Frame chou2121 
      Caption         =   "Property Settings:"
      Height          =   3612
      Left            =   120
      TabIndex        =   7
      Top             =   1440
      Width           =   3585
      Begin VB.ComboBox cmbDasChannel 
         Height          =   315
         Left            =   1680
         TabIndex        =   24
         Top             =   1440
         Width           =   1572
      End
      Begin VB.TextBox txtDaughterName 
         Height          =   405
         Left            =   1680
         TabIndex        =   18
         Top             =   2610
         Width           =   1572
      End
      Begin VB.CommandButton cmbSelectDaughter 
         Caption         =   "Select Daughter"
         Height          =   372
         Left            =   1680
         TabIndex        =   16
         Top             =   2160
         Width           =   1572
      End
      Begin VB.ComboBox cmbDaughterChannel 
         Height          =   315
         Left            =   1680
         TabIndex        =   14
         Top             =   3120
         Width           =   1572
      End
      Begin VB.ComboBox cmbThermoScale 
         Height          =   315
         Left            =   1680
         TabIndex        =   13
         Top             =   1107
         Width           =   1572
      End
      Begin VB.ComboBox cmbThermoType 
         Height          =   315
         Left            =   1680
         TabIndex        =   12
         Top             =   720
         Width           =   1572
      End
      Begin VB.ComboBox cmbInputRange 
         Height          =   315
         Left            =   1680
         TabIndex        =   8
         ToolTipText     =   "Input voltage range"
         Top             =   360
         Width           =   1575
      End
      Begin VB.Label Label3 
         AutoSize        =   -1  'True
         Caption         =   "Input Range(Gain):"
         Height          =   192
         Left            =   240
         TabIndex        =   32
         Top             =   480
         Width           =   1332
      End
      Begin VB.Label Label7 
         Caption         =   "Thermo Type:"
         Height          =   252
         Left            =   240
         TabIndex        =   31
         Top             =   800
         Width           =   1212
      End
      Begin VB.Label Label9 
         Caption         =   "Thermo Scale:"
         Height          =   252
         Left            =   240
         TabIndex        =   30
         Top             =   1180
         Width           =   1092
      End
      Begin VB.Label Label11 
         Caption         =   "Das Channel:"
         Height          =   255
         Left            =   240
         TabIndex        =   29
         Top             =   1560
         Width           =   1335
      End
      Begin VB.Line Line1 
         BorderWidth     =   3
         X1              =   120
         X2              =   3360
         Y1              =   2040
         Y2              =   2040
      End
      Begin VB.Label Label4 
         Caption         =   "Daughter Name:"
         Height          =   255
         Left            =   240
         TabIndex        =   17
         Top             =   2760
         Width           =   1335
      End
      Begin VB.Label Label12 
         Caption         =   "Daughter Channel:"
         Height          =   252
         Left            =   240
         TabIndex        =   15
         Top             =   3120
         Width           =   1452
      End
   End
   Begin VB.CommandButton cmdExit 
      Caption         =   "&Close"
      Height          =   375
      Left            =   5640
      TabIndex        =   6
      ToolTipText     =   "Close application"
      Top             =   840
      Width           =   1095
   End
   Begin DAQAILib.DAQAI DAQAI1 
      Height          =   495
      Left            =   6000
      TabIndex        =   28
      Top             =   240
      Width           =   495
      _Version        =   65537
      _ExtentX        =   864
      _ExtentY        =   864
      _StockProps     =   0
   End
   Begin VB.Frame Frame1 
      Caption         =   "Select Device :"
      Height          =   1185
      Left            =   120
      TabIndex        =   0
      Top             =   120
      Width           =   5295
      Begin VB.TextBox txtDeviceNum 
         Height          =   285
         Left            =   1270
         TabIndex        =   3
         Text            =   "-100"
         ToolTipText     =   "Device Number"
         Top             =   300
         Width           =   855
      End
      Begin VB.TextBox txtDeviceName 
         Height          =   285
         Left            =   1270
         TabIndex        =   2
         Text            =   "AdvanTech"
         ToolTipText     =   "Device Name"
         Top             =   720
         Width           =   3735
      End
      Begin VB.CommandButton cmdSelectDevice 
         Caption         =   "&Select Device"
         Default         =   -1  'True
         Height          =   375
         Left            =   3555
         TabIndex        =   1
         ToolTipText     =   "Selecting device to operation"
         Top             =   240
         Width           =   1455
      End
      Begin VB.Label Label1 
         AutoSize        =   -1  'True
         Caption         =   "Device No. :"
         Height          =   195
         Left            =   140
         TabIndex        =   5
         Top             =   365
         Width           =   900
      End
      Begin VB.Label Label2 
         AutoSize        =   -1  'True
         Caption         =   "Device Name :"
         Height          =   195
         Left            =   140
         TabIndex        =   4
         Top             =   765
         Width           =   1065
      End
   End
End
Attribute VB_Name = "frmThermo"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub cmbInputRange_Click()
   DAQAI1.ThermoDasGain = cmbInputRange.ListIndex
End Sub

Private Sub cmbDasChannel_Click()
    DAQAI1.ThermoDasChannel = cmbDasChannel.ListIndex
End Sub



Private Sub cmbDaughterChannel_Click()
    DAQAI1.DaughterChannel = cmbDaughterChannel.ListIndex
End Sub

Private Sub cmbSelectDaughter_Click()
    
    DAQAI1.SelectDaughter
        
    txtDaughterName.Enabled = True
    cmbDaughterChannel.Enabled = True
    
    cmbDaughterChannel.Clear
    For j = 0 To 31
      cmbDaughterChannel.AddItem (Str(j))
    Next j

    txtDaughterName.Text = DAQAI1.DaughterName
    cmbDaughterChannel.ListIndex = 0
   
End Sub

Private Sub cmbThermoScale_Click()
    DAQAI1.ThermoScale = cmbThermoScale.ListIndex
End Sub

Private Sub cmbThermoType_Click()
    DAQAI1.ThermoType = cmbThermoType.ListIndex
End Sub



Private Sub Form_Load()
   ' Select default device
   Call cmdSelectDevice_Click
   ' Setting initial value
   txtDeviceNum.Text = DAQAI1.DeviceNumber
   txtDeviceName.Text = DAQAI1.DeviceName
   
   ' Add selectable items of Thermocouple type
   cmbThermoType.AddItem "J type"          ' 0
   cmbThermoType.AddItem "K type"          ' 1
   cmbThermoType.AddItem "S type"          ' 2
   cmbThermoType.AddItem "T type"          ' 3
   cmbThermoType.AddItem "B type"          ' 4
   cmbThermoType.AddItem "R type"          ' 5
   cmbThermoType.AddItem "E type"          ' 6

   ' Set the default selection of thermocouple type
   cmbThermoType.ListIndex = 0
   DAQAI1.ThermoType = 0
   
      ' Add selectable items of Thermocouple scale
   cmbThermoScale.AddItem "C"          ' 0
   cmbThermoScale.AddItem "F"          ' 1
   cmbThermoScale.AddItem "R"          ' 2
   cmbThermoScale.AddItem "K"          ' 3
   
   ' Set the default selection of thermocouple type
   cmbThermoScale.ListIndex = 0
   DAQAI1.ThermoScale = 0
   
   ' Disable Daughter Board
   txtDaughterName.Text = DAQAI1.DaughterName
   
   txtDaughterName.Enabled = False
   cmbDaughterChannel.Enabled = False
   
End Sub

Private Sub cmdSelectDevice_Click()
   Dim i As Integer
   Dim j As Integer
   Dim bRet As Boolean
   
   DAQAI1.SelectDevice
   txtDeviceNum.Text = DAQAI1.DeviceNumber
   txtDeviceName.Text = DAQAI1.DeviceName
   DAQAI1.DeviceNumber = DAQAI1.DeviceNumber
   DAQAI1.DeviceName = DAQAI1.DeviceName
   cmbInputRange.Clear
   
   ' Open device
   If DAQAI1.OpenDevice Then
      MsgBox DAQAI1.ErrorMessage, vbOKOnly
      Exit Sub
   End If
   ' Get input range list
   bRet = DAQAI1.GetInputRange(gNumOfInputRange, gInputRangeList)
   For j = 0 To gNumOfInputRange - 1
      cmbInputRange.AddItem gInputRangeList(j)
   Next j
   If gNumOfInputRange <> 0 Then
      cmbInputRange.ListIndex = 0
      DAQAI1.ThermoDasGain = 0
   End If
   ' Get Max. channel number
   If DAQAI1.MaxDifferentialChannel > DAQAI1.MaxSingleEndedChannel Then
      i = DAQAI1.MaxDifferentialChannel
   Else
      i = DAQAI1.MaxSingleEndedChannel
   End If
    If i = 0 Then
        MsgBox "Function Not Supported", vbOKOnly
        Unload Me
        End
    End If
   
   cmbDasChannel.Clear
   For j = 0 To i - 1
      cmbDasChannel.AddItem (Str(j))
   Next j
   If i <> 0 Then
      cmbDasChannel.ListIndex = 0
   End If
   
   DAQAI1.CloseDevice
End Sub



Private Sub cmdThermoStart_Click()
   If DAQAI1.OpenDevice Then
      MsgBox DAQAI1.ErrorMessage, vbOKOnly
      Exit Sub
   End If
   cmdSelectDevice.Enabled = False
   cmdThermoStart.Enabled = False
   cmdThermoStop.Enabled = True
   cmdExit.Enabled = False
   
   ' Start getting data
   gReading = True
   
   hscrlFreq_Change
End Sub

Private Sub cmdThermoStop_Click()
   ' Stop get data
   gReading = False
   ' Close device
   DAQAI1.CloseDevice
   cmdSelectDevice.Enabled = True
   cmdThermoStart.Enabled = True
   cmdThermoStop.Enabled = False
   cmdExit.Enabled = True
End Sub

Private Sub cmdExit_Click()
   Unload Me
   End
End Sub

Private Sub Form_Unload(Cancel As Integer)
   gReading = False
   DAQAI1.CloseDevice
End Sub

Private Sub hscrlFreq_Change()
    If hscrlFreq.Value = 0 Then
        ScanTimer.Interval = 0
    Else
        ScanTimer.Interval = 1000 / hscrlFreq.Value
    End If
End Sub



Private Sub ScanTimer_Timer()
    If gReading Then
        txtThermoReading.Text = Str(DAQAI1.ThermoRead)
        gSampleNumber = gSampleNumber + 1
        txtSampleNumber.Text = Str(gSampleNumber)
    End If
End Sub

Private Sub txtDeviceNum_Change()
    DAQAI1.DeviceNumber = Val(txtDeviceNum.Text)
    txtDeviceName.Text = DAQAI1.DeviceName
End Sub