ioPAC RTU Controllers
C/C++ Sample Code Programming Guide
Macros | Functions
DIEvent

Macros

#define DI_EVENT_TOGGLE_L2H   0
 
#define DI_EVENT_TOGGLE_H2L   1
 
#define DI_EVENT_TOGGLE_BOTH   2
 

Functions

IO_ERR_CODE MX_RTU_DI_Event_Register (UINT8 slot, UINT8 channel, UINT32 trigger, int *handle)
 
IO_ERR_CODE MX_RTU_DI_Event_Unregister (int handle)
 
IO_ERR_CODE MX_RTU_DI_Event_Get (int handle, UINT32 *status, struct Timestamp *time)
 
IO_ERR_CODE MX_RTU_DI_Event_Set_Trigger (int handle, UINT32 trigger)
 
IO_ERR_CODE MX_RTU_DI_Event_Get_Trigger (int handle, UINT32 *trigger)
 
IO_ERR_CODE MX_RTU_DI_Event_Count (int handle, UINT32 *count)
 
IO_ERR_CODE MX_RTU_DI_Event_Clear (int handle)
 
IO_ERR_CODE MX_RTU_DI_Event_Reset ()
 

Detailed Description

Sample Code:
di_event.c

Macro Definition Documentation

#define DI_EVENT_TOGGLE_L2H   0
#define DI_EVENT_TOGGLE_H2L   1
#define DI_EVENT_TOGGLE_BOTH   2

Function Documentation

IO_ERR_CODE MX_RTU_DI_Event_Register ( UINT8  slot,
UINT8  channel,
UINT32  trigger,
int *  handle 
)
Parameters
[in]slotslot 0: Built-in IO, slot 1 ~ 12: IO Module.
[in]channelchannel 0 ~ 23.
[in]triggerTrigger should be DI_EVENT_TOGGLE_L2H , DI_EVENT_TOGGLE_H2L , or DI_EVENT_TOGGLE_BOTH .
[out]handleA handle, like a file descriptor, stands for the DI Event.
Returns
IO_ERR_CODE
IO_ERR_CODE MX_RTU_DI_Event_Unregister ( int  handle)
Parameters
[in]handleA handle, like a file descriptor, stands for the DI Event.
Returns
IO_ERR_CODE
IO_ERR_CODE MX_RTU_DI_Event_Get ( int  handle,
UINT32 status,
struct Timestamp time 
)
Parameters
[in]handleA handle, like a file descriptor, stands for the DI Event.
[out]statusA DI status when the trigger is matched.
[out]timeTimestamp of the DI Event.
Returns
IO_ERR_CODE
Note
Maximum I/O Events are IO_EVENT_QUEUE_MAX .
IO_ERR_CODE MX_RTU_DI_Event_Set_Trigger ( int  handle,
UINT32  trigger 
)
Parameters
[in]handleA handle, like a file descriptor, stands for the DI Event.
[in]triggerTrigger should be DI_EVENT_TOGGLE_L2H , DI_EVENT_TOGGLE_H2L , or DI_EVENT_TOGGLE_BOTH .
Returns
IO_ERR_CODE
IO_ERR_CODE MX_RTU_DI_Event_Get_Trigger ( int  handle,
UINT32 trigger 
)
Parameters
[in]handleA handle, like a file descriptor, stands for the DI Event.
[out]triggerTrigger can be DI_EVENT_TOGGLE_L2H , DI_EVENT_TOGGLE_H2L , or DI_EVENT_TOGGLE_BOTH .
Returns
IO_ERR_CODE
IO_ERR_CODE MX_RTU_DI_Event_Count ( int  handle,
UINT32 count 
)
Parameters
[in]handleA handle, like a file descriptor, stands for the DI Event.
[out]countThe amount of DI Events in I/O Event Queue.
Returns
IO_ERR_CODE
IO_ERR_CODE MX_RTU_DI_Event_Clear ( int  handle)
Parameters
[in]handleA handle, like a file descriptor, stands for the DI Event.
Returns
IO_ERR_CODE
Note
Clear all DI Events in queue.
IO_ERR_CODE MX_RTU_DI_Event_Reset ( )
Returns
IO_ERR_CODE
Note
Unregister all registered DI Events.