Mitsubishi Electric MELIPC MI5000 Series User Manual page 159

■When a user program of the Windows part reads data of the VxWorks part.
The C Controller module dedicated function (CCPU_ReceiveInterOSEvent) is executed by a user program of the Windows
part.
The user program of the Windows part waits for an inter OS event notification. The C Controller module dedicated function
(CCPU_SendInterOSEvent) is executed by a user program of the VxWorks part, which then waits until the inter OS event
notification is issued.
The C Controller module dedicated function (CCPU_WriteSharedMemory) is executed by the user program of the VxWorks
part.
The data read by the user program of the Windows part is written to shared memory.
The C Controller module dedicated function (CCPU_SendInterOSEvent) is executed by the user program of the VxWorks
part.
An inter OS event notification is issued to the user program of the Windows part.
The user program of the Windows part receives the inter OS event notification, and the waiting status is cleared. After the
waiting status is cleared, the C Controller module dedicated function (CCPU_ReadSharedMemory) is executed.
Data written to the shared memory by the user program of the VxWorks part is read by the user program of the Windows part.
■When a user program of the VxWorks part reads data of the Windows part
The C Controller module dedicated function (CCPU_ReceiveInterOSEvent) is executed by a user program of the VxWorks
part.
The user program of the VxWorks part waits for an inter OS event notification. The C Controller module dedicated function
(CCPU_SendInterOSEvent) is executed by a user program of the Windows part, which then waits until the inter OS event
15
notification is issued.
The C Controller module dedicated function (CCPU_WriteSharedMemory) is executed by the user program of the Windows
part.
The data read by the user program of the VxWorks part is written to shared memory.
The C Controller module dedicated function (CCPU_SendInterOSEvent) is executed by the user program of the Windows
part.
An inter OS event notification is issued to the user program of the VxWorks part.
The user program of the VxWorks part receives the inter OS event notification, and the waiting status is cleared. After the
waiting status is cleared, the C Controller module dedicated function (CCPU_ReadSharedMemory) is executed.
Data written to the shared memory by the user program of the Windows part is read by the user program of the VxWorks part.
15 OS LINKING FUNCTIONS
157
15.3 Inter OS Event Notification Function