Omron DeviceNet 3G8F7-DRM21-E, Руководство по эксплуатации

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85
Explicit Message API Functions
Section 4-6
Call Format BOOL SCAN_RegObjectClass(DWORD Handle , WORD ClassId )
Arguments
Return Value TRUE is returned if the object class ID was successfully registered to the
specified Board. FALSE is returned if an error occurred. Detailed error infor-
mation can be read with the GetLastError() function.
Description To register an object, a server request message addressed to that object must
be received and a response returned.
The following list shows the object class IDs that can be registered. Up to 16
can be registered.
0x0000 to 0x0063 (excluding 0x0002, 0x0003, 0x0005, 0x002B, and
0x002F), 0x0064 to 0x007F, 0x0088 to 0x008F, 0x0098 to 0x009F, 0x00A8
to 0x00AF, 0x00B8 to 0x00BF, 0x00C0 to 0x00C7
When Identity Object Class (ID=1) is registered, the service code must sup-
port Reset processing.
Clearing an Object Class ID: SCAN_UnRegObjectClass()
Application Range Open status
Function Clears registration of an object class.
Call Format BOOL SCAN_UnRegObjectClass(DWORD Handle , WORD ClassId )
Arguments
Return Value TRUE is returned if the object class ID was successfully deleted from the
specified Board. FALSE is returned if an error occurred. Detailed error infor-
mation can be read with the GetLastError() function.
Registering a Server Notification Message: SCAN_RegServerEvtNotifyMessage()
Application Range Open status
Function Registers the Windows message that notifies when a server request recep-
tion event for the registered object has occurred.
Call Format BOOL SCAN_RegServerEvtNotifyMessage(DWORD Handle , WORD
ClassId , DWORD ThreadId , HWND hWnd , UINT Msg )
Arguments
Type Name Contents
DWORD Handle Device handle obtained by SCAN_Open()
WORD ClassId Registers object class ID.
Type Name Contents
DWORD Handle Device handle obtained by SCAN_Open()
WORD ClassId Object class ID of the object class being deleted.
Type Name Contents
DWORD Handle Device handle obtained by SCAN_Open()
WORD ClassId Object class ID used in server request reception
event.
DWORD ThreadId The thread ID to notify.
(No setting = NULL)