📄 frmrun.frm
字号:
VERSION 5.00
Begin VB.Form frmRun
Appearance = 0 'Flat
BackColor = &H80000005&
BorderStyle = 1 'Fixed Single
Caption = "Frequency Demo"
ClientHeight = 2925
ClientLeft = 3540
ClientTop = 1725
ClientWidth = 3690
BeginProperty Font
Name = "MS Sans Serif"
Size = 8.25
Charset = 0
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ForeColor = &H80000008&
LinkTopic = "Form1"
MaxButton = 0 'False
PaletteMode = 1 'UseZOrder
ScaleHeight = 2925
ScaleWidth = 3690
Begin VB.Frame frmCount
Appearance = 0 'Flat
BackColor = &H80000005&
Caption = "Counting Value"
ForeColor = &H80000008&
Height = 855
Left = 240
TabIndex = 6
Top = 120
Width = 3135
Begin VB.Label labCount
Alignment = 1 'Right Justify
Appearance = 0 'Flat
BackColor = &H80000005&
Caption = "0"
BeginProperty Font
Name = "Arial"
Size = 24
Charset = 0
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
ForeColor = &H80000008&
Height = 495
Left = 480
TabIndex = 7
Top = 240
Width = 2175
End
End
Begin VB.Frame frmSampleRate
Appearance = 0 'Flat
BackColor = &H80000005&
Caption = "Sampling Rate"
ForeColor = &H80000008&
Height = 1095
Left = 240
TabIndex = 5
Top = 1080
Width = 3255
Begin VB.HScrollBar hscrlFreq
Height = 375
LargeChange = 10
Left = 120
Max = 100
TabIndex = 3
Top = 360
Value = 10
Width = 3015
End
Begin VB.Label labFreqHigh
Appearance = 0 'Flat
BackColor = &H80000005&
Caption = "10 (time/s)"
ForeColor = &H80000008&
Height = 255
Left = 2160
TabIndex = 1
Top = 720
Width = 975
End
Begin VB.Label labFrequencyLow
Appearance = 0 'Flat
BackColor = &H80000005&
Caption = "0 (Stop)"
ForeColor = &H80000008&
Height = 255
Left = 120
TabIndex = 2
Top = 720
Width = 855
End
End
Begin VB.Timer tmrRead
Left = 1680
Top = 2160
End
Begin VB.CommandButton cmdRead
Appearance = 0 'Flat
BackColor = &H80000005&
Caption = "&Read one data"
Height = 495
Left = 2040
TabIndex = 4
Top = 2280
Width = 1455
End
Begin VB.CommandButton cmdExit
Appearance = 0 'Flat
BackColor = &H80000005&
Caption = "E&xit"
Height = 495
Left = 240
TabIndex = 0
Top = 2280
Width = 1455
End
End
Attribute VB_Name = "frmRun"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim lCount As Long
Dim gfFreq As Single
Private Sub cmdExit_Click()
'ErrCde = DRV_CounterReset(DeviceHandle, lpCounterEventRead.counter)
If (ErrCde <> 0) Then
DRV_GetErrorMessage ErrCde, szErrMsg
Response = MsgBox(szErrMsg, vbOKOnly, "Error!!")
Exit Sub
End If
frmRun.Hide
frmDevSel.Show
frmDevSel.cmdExit.SetFocus
End Sub
Private Sub cmdRead_Click()
tmrRead.Enabled = False
lpCounterFreqRead.counter = lpCounterFreqStart.counter
lpCounterFreqRead.freq = DRV_GetAddress(gfFreq)
ErrCde = DRV_CounterFreqRead(DeviceHandle, lpCounterFreqRead)
If (ErrCde <> 0) Then
DRV_GetErrorMessage ErrCde, szErrMsg
Response = MsgBox(szErrMsg, vbOKOnly, "Error!!")
Exit Sub
End If
labCount.Caption = Str(gfFreq)
End Sub
Private Sub Form_Load()
hscrlFreq_Change
End Sub
Private Sub Form_Unload(Cancel As Integer)
frmDevSel.Show
End Sub
Private Sub hscrlFreq_Change()
If hscrlFreq.value = 0 Then
tmrRead.Interval = 0
Else
tmrRead.Interval = 10000 / hscrlFreq.value
End If
tmrRead.Enabled = True
End Sub
Private Sub tmrRead_Timer()
lpCounterFreqRead.counter = lpCounterFreqStart.counter
lpCounterFreqRead.freq = DRV_GetAddress(gfFreq)
ErrCde = DRV_CounterFreqRead(DeviceHandle, lpCounterFreqRead)
If (ErrCde <> 0) Then
DRV_GetErrorMessage ErrCde, szErrMsg
Response = MsgBox(szErrMsg, vbOKOnly, "Error!!")
Exit Sub
End If
labCount.Caption = Str(gfFreq)
End Sub
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