frmintdi.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 = "{B69B88D6-A697-11D2-AA03-002018650913}#1.1#0"; "Addin.ocx"
Begin VB.Form Form1 
   Caption         =   "DI with Interrupt"
   ClientHeight    =   3135
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   6555
   LinkTopic       =   "Form1"
   ScaleHeight     =   3135
   ScaleWidth      =   6555
   StartUpPosition =   2  'CenterScreen
   Begin VB.Frame Frame3 
      Caption         =   "Interrupt Event:"
      Height          =   1572
      Left            =   3030
      TabIndex        =   12
      Top             =   1440
      Width           =   3372
      Begin VB.Timer WatchTimer 
         Left            =   2640
         Top             =   960
      End
      Begin VB.TextBox txtEventFreq 
         Enabled         =   0   'False
         Height          =   372
         Left            =   240
         TabIndex        =   15
         Top             =   960
         Width           =   1212
      End
      Begin VB.CommandButton cmdDisableEvent 
         Caption         =   "Disable"
         Height          =   372
         Left            =   1920
         TabIndex        =   14
         Top             =   360
         Width           =   1092
      End
      Begin VB.CommandButton cmdEnableEvent 
         Caption         =   "Enable"
         Height          =   372
         Left            =   240
         TabIndex        =   13
         Top             =   360
         Width           =   1212
      End
      Begin VB.Label Label5 
         Caption         =   "1/S"
         Height          =   372
         Left            =   1560
         TabIndex        =   16
         Top             =   1080
         Width           =   372
      End
   End
   Begin VB.Frame Frame2 
      Caption         =   "Device Property:"
      Height          =   1572
      Left            =   110
      TabIndex        =   7
      Top             =   1440
      Width           =   2772
      Begin VB.HScrollBar hscrlCount 
         Height          =   252
         Left            =   120
         Max             =   10
         Min             =   1
         TabIndex        =   9
         Top             =   480
         Value           =   1
         Width           =   2512
      End
      Begin VB.Label Label4 
         Caption         =   "10"
         Height          =   375
         Left            =   2190
         TabIndex        =   11
         Top             =   720
         Width           =   375
      End
      Begin VB.Label Label8 
         Caption         =   "1"
         Height          =   252
         Left            =   380
         TabIndex        =   10
         Top             =   720
         Width           =   252
      End
      Begin VB.Label Label3 
         Caption         =   "EventTrigCount:"
         Height          =   252
         Left            =   120
         TabIndex        =   8
         Top             =   240
         Width           =   1332
      End
   End
   Begin DAQDILib.DAQDI DAQDI1 
      Height          =   495
      Left            =   5520
      TabIndex        =   17
      Top             =   240
      Width           =   495
      _Version        =   65537
      _ExtentX        =   864
      _ExtentY        =   864
      _StockProps     =   0
      MaxPortNumber   =   0
   End
   Begin VB.CommandButton cmdExit 
      Caption         =   "Close"
      Height          =   405
      Left            =   5160
      TabIndex        =   6
      Top             =   900
      Width           =   1212
   End
   Begin VB.Frame Frame1 
      Caption         =   "Select Device :"
      Height          =   1215
      Left            =   110
      TabIndex        =   0
      Top             =   120
      Width           =   4935
      Begin VB.CommandButton cmdSelectDevice 
         Caption         =   "&Select Device"
         Default         =   -1  'True
         Height          =   375
         Left            =   3240
         TabIndex        =   3
         ToolTipText     =   "Selecting device to operation"
         Top             =   240
         Width           =   1455
      End
      Begin VB.TextBox txtDeviceName 
         Height          =   305
         Left            =   1320
         TabIndex        =   2
         Text            =   "AdvanTech"
         ToolTipText     =   "Device Name"
         Top             =   745
         Width           =   3375
      End
      Begin VB.TextBox txtDeviceNum 
         Height          =   285
         Left            =   1320
         TabIndex        =   1
         Text            =   "-100"
         ToolTipText     =   "Device Number"
         Top             =   350
         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             =   405
         Width           =   900
      End
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
Dim gEventCount As Long

Private Sub cmdDisableEvent_Click()
   'Disable Event
   DAQDI1.EnableEvent (False)

   ' Close device
   DAQDI1.CloseDevice
   
   'Disable watch timer
   WatchTimer.Enabled = False
   cmdSelectDevice.Enabled = True
   cmdEnableEvent.Enabled = True
   cmdDisableEvent.Enabled = False
   cmdExit.Enabled = True
End Sub

Private Sub cmdEnableEvent_Click()
   'Open Device
   If DAQDI1.OpenDevice Then
      MsgBox DAQDI1.ErrorMessage, vbOKOnly
      Exit Sub
   End If
   
   'Enable Event
   If (DAQDI1.EnableEvent(True)) Then
      MsgBox DAQDI1.ErrorMessage, vbOKOnly
      Exit Sub
   End If
   
   cmdSelectDevice.Enabled = False
   cmdEnableEvent.Enabled = False
   cmdDisableEvent.Enabled = True
   cmdExit.Enabled = False
   'Enable watch timer
   WatchTimer.Enabled = True
   
   
End Sub

Private Sub cmdExit_Click()
    Unload Me
    End
End Sub

Private Sub cmdSelectDevice_Click()
   Dim i As Integer
   Dim Ret As Long
   
   ' Select Device from installed list
   Ret = DAQDI1.SelectDevice
   txtDeviceNum.Text = DAQDI1.DeviceNumber
   txtDeviceName.Text = DAQDI1.DeviceName
   DAQDI1.DeviceNumber = DAQDI1.DeviceNumber
   DAQDI1.DeviceName = DAQDI1.DeviceName
End Sub

Private Sub DAQDI1_OnEvent()
    gEventCount = gEventCount + 1
End Sub

Private Sub Form_Unload(Cancel As Integer)
   DAQDI1.EnableEvent (False)
   DAQDI1.CloseDevice
   WatchTimer.Enabled = False
End Sub

Private Sub hscrlCount_Change()
   DAQDI1.EventTrigCount = hscrlCount.Value
End Sub

Private Sub txtDeviceNum_Change()
    DAQDI1.DeviceNumber = Val(txtDeviceNum.Text)
    txtDeviceName.Text = DAQDI1.DeviceName
End Sub
Private Sub Form_Load()
   ' Select default device
   Call cmdSelectDevice_Click
   ' Setting initial value
   txtDeviceNum.Text = DAQDI1.DeviceNumber
   txtDeviceName.Text = DAQDI1.DeviceName
   
   'Initialize global value
   gEventCount = 0
   WatchTimer.Enabled = False
   WatchTimer.Interval = 1000
   cmdEnableEvent.Enabled = True
   cmdDisableEvent.Enabled = False
   
End Sub

Private Sub WatchTimer_Timer()
   txtEventFreq.Text = Str(gEventCount)
   gEventCount = 0
End Sub