Kontron JRexplus-LX - Manual (Page 28)

KTD-S0004-A Page 25 JIDA32 Interface
JRexplus LX Software Guide
7.8.3 Program Language VISUAL BASIC (VB.NET)
The demo program shows the board count value and activates the watchdog (timeout = 10 seconds).
Example:
Public Class JidaTest
Declare Auto Function JidaDllInitialize Lib "JIDA.DLL" () As Boolean
Declare Auto Function JidaDllUninitialize Lib "JIDA.DLL" () As Boolean
Declare Auto Function JidaDllIsAvailable Lib "JIDA.DLL" () As Boolean
Declare Auto Function JidaBoardCount Lib "JIDA.DLL" _
(ByVal classstr As String, ByVal flags As UInteger) As UInteger
Declare Auto Function JidaBoardOpen Lib "JIDA.DLL" _
(ByVal classstr As String, ByVal num As UInteger, ByVal flags As UInteger, _
ByRef handle As UInteger) As Boolean
Declare Auto Function JidaBoardClose Lib "JIDA.DLL" (ByVal handle As UInteger) As Boolean
Declare Auto Function JidaWDogSetConfig Lib "JIDA.DLL" (ByVal handle As UInteger, _
ByVal type As UInteger, ByVal timeout As UInteger, ByVal delay As UInteger, _
ByVal mode As UInteger) As Boolean
Public Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Const JIDA_BOARD_CLASS_CPU = "CPU"
Const JIDA_BOARD_OPEN_FLAGS_PRIMARYONLY = 1
Const JIDA_BOARDINFO_FLAGS_DEFAULT = 0
Const TIMEOUT_VALUE = 10000
Const DELAY_VALUE = 0 'Delay not supported
Const REBOOT_BOARD = 0 'NMI not supported
Dim handle As UInteger
If JidaDllInitialize() Then
If JidaDllIsAvailable() Then
If JidaBoardOpen(JIDA_BOARD_CLASS_CPU, 0, JIDA_BOARDINFO_FLAGS_DEFAULT, handle) Then
MsgBox("BoardCount = " & JidaBoardCount(JIDA_BOARD_CLASS_CPU, _
JIDA_BOARD_OPEN_FLAGS_PRIMARYONLY))
JidaWDogSetConfig(handle, 0, TIMEOUT_VALUE, DELAY_VALUE, REBOOT_BOARD)
JidaBoardClose(handle)
End If
End If
JidaDllUninitialize()
End If
End Sub
End Class