Sensoray 417 Manuale Utente Scaricare il pdf (Pagina 11)

Instruction Manual 10

‘*******************************************************************

‘ Read a signed, 16-bit integer value from the 417, MSB first.

‘*******************************************************************

Function ReadWord%(BasePort As Integer)

Dim Lval As Long

‘ Handshake the high byte (MSB) from Model 417

Lval = ReadByte(BasePort)

‘ Handshake LSB from Model 417 & concatenate with high byte

Lval = Lval * 256 + ReadByte(BasePort)

‘ Adjust sign, if necessary

If Lval > 32767 Then Lval = Lval - 65536

‘ Set return value

ReadWord = Lval

End Function

‘*******************************************************************

‘ Send a signed, 16-bit integer value to the 417, MSB first.

‘*******************************************************************

Sub SendWord(BasePort As Integer, Value As Integer)

‘ Handshake the high byte (MSB) to Model 417

Call SendByte(BasePort, Value \ 256)

‘ Handshake the low byte (LSB) to Model 417

Call SendByte(BasePort, Value)

End Sub

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Sensoray 417 Manuale Utente Pagina 11