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Private Sub Form_Load()
MSComm1.CommPort = 1
MSComm1.Settings = "9600,N,8,1"
MSComm1.PortOpen = True
MSComm1.InputMode = comInputModeBinary
MSComm1.RThreshold = 1
Dim a As Long
End Sub
Private Sub MSComm1_OnComm()
Dim BytesReceived() As Byte
Dim buffer As String
Dim HData As String
Dim i As Integer
Select Case MSComm1.CommEvent
Case comEvReceive '½ÓÊÕÊ®Áù½øÖÆÊý¾Ý¡£²¢ÒÔÊ®Áù½øÖÆÏÔʾ
MSComm1.InputLen = 0
buffer = MSComm1.Input '½ÓÊÕÊý¾ÝÖÁ×Ö·û´®ÖÐ
BytesReceived() = buffer '½«Êý¾ÝתÈëByteÊý×éÖÐ
For i = 0 To UBound(BytesReceived) 'ÏÔʾ½á¹ûÒÔÊ®Áù½øÖÆÏÔʾ
If Len(Hex(BytesReceived(i))) = 1 Then
HData = HData & "0" & Hex(BytesReceived(i))
Else
HData = HData & Hex(BytesReceived(i))
End If
Text1.Text = HData
'×îºó½«½á¹ûºóÈëText1ÖÐ
MSComm1.OutBufferCount = 0 'Çå³ý·¢ËÍ»º³åÇø
MSComm1.InBufferCount = 0 'Çå³ý½ÓÊÕ»º³åÇø
Next
End Select
End Sub
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