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

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Master Function API Functions
Section 4-4
Clearing Interrupt Status: SCAN_ClearIrqEvent()
Application Range Open status
Function Clears the cause of the interrupt that occurred in the specified Board.
Call Format BOOL SCAN_ClearIrqEvent(DWORD Handle , BYTE IrqClrMask )
Arguments
Return Value TRUE is returned when the value was successfully written in the specified
Board’s register. FALSE is returned if an error occurred. Detailed error infor-
mation can be read with the GetLastError() function.
Description Use this function to clear the cause of an interrupt after an interrupt has been
detected by event notification or by SCAN_PeekIrqEvent() and the corre-
sponding processing has been executed.
4-4 Master Function API Functions
4-4-1 Scan List Operation API Functions
Registering a Slave in the Scan List: SCAN_RegisterSlaveDevice()
Application Range Open status
Function Registers information in the scan list for a specified Slave.
Call Format BOOL SCAN_RegisterSlaveDevice(DWORD Handle , WORD, MacId , WORD
Outsize , WORD Insize )
Arguments
Return Value TRUE is returned if the specified Slave was successfully registered in the
scan list. FALSE is returned if an error occurred. Detailed error information
can be read with the GetLastError() function.
Description I/O communications can be performed with Slaves registered in the scan list.
Slaves do not need to be registered in the scan list for message communica-
tions unless they are involved in I/O communications.
Previously registered Slaves will be overwritten when re-registered.
The scan type for Slaves registered using this function will be automatically
selected. Use SCAN_RegisterSlaveDeviceEx() to specify the scan type.
Type Name Contents
DWORD Handle Device handle obtained by SCAN_Open()
BYTE IrqClrMask Interrupt mask to clear
Clearing is specified when the corresponding inter-
rupt bit position is ON.
(The data format is the same as it is in
SCAN_GetIrqControl().)
Type Name Contents
DWORD Handle Device handle obtained by SCAN_Open()
WORD MacId Address to register in the scan list.
Setting range: 0x00 to 0x3F (0 to 63)
WORD Outsize Output data size (bytes)
Setting range: 0x00 to 0xC8 (0 to 200)
WORD Insize Input data size (bytes)
Setting range: 0x00 to 0xC8 (0 to 200)