datadisp.frm

16 relay output channels and 16 isolated digital input channels LED indicators to show activated

VERSION 5.00
Object = "{BDC217C8-ED16-11CD-956C-0000C04E4C0A}#1.1#0"; "TABCTL32.OCX"
Begin VB.Form frmDataDisp 
   Caption         =   "Advantech Demo: Data display"
   ClientHeight    =   2490
   ClientLeft      =   3855
   ClientTop       =   2400
   ClientWidth     =   2685
   LinkTopic       =   "Form2"
   PaletteMode     =   1  'UseZOrder
   ScaleHeight     =   2490
   ScaleWidth      =   2685
   Begin TabDlg.SSTab SSTab1 
      Height          =   2415
      Left            =   0
      TabIndex        =   0
      Top             =   120
      Width           =   2775
      _ExtentX        =   4895
      _ExtentY        =   4260
      _Version        =   393216
      Style           =   1
      Tabs            =   2
      Tab             =   1
      TabHeight       =   520
      BeginProperty Font {0BE35203-8F91-11CE-9DE3-00AA004BB851} 
         Name            =   "MS Sans Serif"
         Size            =   8.25
         Charset         =   0
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      TabCaption(0)   =   "Buffer &A"
      TabPicture(0)   =   "Datadisp.frx":0000
      Tab(0).ControlEnabled=   0   'False
      Tab(0).Control(0)=   "ListBufferA"
      Tab(0).ControlCount=   1
      TabCaption(1)   =   "Buffer &B"
      TabPicture(1)   =   "Datadisp.frx":001C
      Tab(1).ControlEnabled=   -1  'True
      Tab(1).Control(0)=   "ListBufferB"
      Tab(1).Control(0).Enabled=   0   'False
      Tab(1).ControlCount=   1
      Begin VB.ListBox ListBufferB 
         Height          =   2010
         Left            =   0
         TabIndex        =   2
         Top             =   360
         Width           =   2655
      End
      Begin VB.ListBox ListBufferA 
         Height          =   2010
         ItemData        =   "Datadisp.frx":0038
         Left            =   -75000
         List            =   "Datadisp.frx":003F
         TabIndex        =   1
         Top             =   360
         Width           =   2655
      End
   End
End
Attribute VB_Name = "frmDataDisp"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False

Private Sub Form_Load()
  Dim i As Integer
  Dim ptFAIData As PT_FAITransfer
  Dim sDataBuffer() As Single
  Dim iDataBuffer() As Integer
  Dim lOverrun As Long
  Dim ptFAIWatchDogCheck As PT_FAIWatchdogCheck
  Dim iWhichBuf  As Integer
  Dim iTriggered As Integer
  Dim iTrigChan As Integer
  Dim lTrigIndex As Long
  Dim fTrigData As Single
  Dim lRawData As Long

  'Stop Timer action
  frmRun.FAIChkTmr.Enabled = False
 
  'Stop AI conversion
  ErrCde = DRV_FAITerminate(DeviceHandle)
  If (ChkErr(ErrCde) = 1) Then
    DRV_DeviceClose (DeviceHandle)
    Exit Sub
  End If
    
  'Get the AI conversion data
  ptFAIData.ActiveBuf = 0                'only one buffer
  ptFAIData.Overrun = DRV_GetAddress(lOverrun)
  ptFAIData.Count = Val(frmSelDev.DataCounts.Text)
  ptFAIData.start = 0                    '{Start from buffer begging}
  ptFAIData.DataType = frmSelDev.chkFloatData.value

  'If want floating data
  If (ptFAIData.DataType) = 1 Then
    ReDim sDataBuffer(ptFAIData.Count)
    ptFAIData.DataBuffer = DRV_GetAddress(sDataBuffer(0))
  'Else need Raw data
  Else
    ReDim iDataBuffer(ptFAIData.Count)
    ptFAIData.DataBuffer = DRV_GetAddress(iDataBuffer(0))
  End If
        
  ' Read buffer A data
  ErrCde = DRV_FAITransfer(DeviceHandle, ptFAIData)
  If (ChkErr(ErrCde) = 1) Then
    ReDim sDataBuffer(0)
    ReDim iDataBuffer(0)
    DRV_DeviceClose (DeviceHandle)
    Exit Sub
  End If

  'Save data to data show screen
  frmDataDisp.ListBufferA.Clear
  frmDataDisp.ListBufferB.Clear
    
  For i = 0 To ptFAIData.Count - 1
    If ptFAIData.DataType = 1 Then
      'Converting to Floating data
      frmDataDisp.ListBufferA.AddItem Str(i) + ":" + Format(sDataBuffer(i), "#,##0.000000000")
    Else
      'Convert to Hex data
      frmDataDisp.ListBufferA.AddItem Str(i) + ":" + Hex(iDataBuffer(i))
    End If
  Next i

  'Read buffer B data
  ptFAIData.ActiveBuf = 1                'only one buffer
  ErrCde = DRV_FAITransfer(DeviceHandle, ptFAIData)
  If (ChkErr(ErrCde) = 1) Then
    ReDim sDataBuffer(0)
    ReDim iDataBuffer(0)
    DRV_DeviceClose (DeviceHandle)
    Exit Sub
  End If

  'Save data to data show screen
      
  For i = 0 To ptFAIData.Count - 1
    If ptFAIData.DataType = 1 Then
      'Converting to Floating data
      frmDataDisp.ListBufferB.AddItem Str(i) + ":" + Format(sDataBuffer(i), "#,##0.000000000")
    Else
      'Convert to Hex data
      frmDataDisp.ListBufferB.AddItem Str(i) + ":" + Hex(iDataBuffer(i))
    End If
  Next i

  'Free data buffer
  ReDim sDataBuffer(0)
  ReDim iDataBuffer(0)
  ErrCde = DRV_FreeDMABuffer(DeviceHandle, DRV_GetAddress(lDmaBufPtr))
  ErrCde = ChkErr(ErrCde)

  'Close device
  DRV_DeviceClose (DeviceHandle)
  
  frmSelDev.Enabled = True
    
End Sub

Private Sub Form_Unload(Cancel As Integer)
  frmSelDev.SetFocus
End Sub