ADLINK PCI-7841/cPCI-7841 - Manual (Page 45)

Function Reference 37
Error and Event Handling Functions
When the exception occurs, your program may need to take some
algorithm to recover the problem. The following functions are oper-
ation-system depended functions. You should care about the
restriction in the operation-system.
DOS Environment
CanInstallCallBack()
Purpose Install callback function of event under DOS
environment
Prototype C/C++ (DOS)
void far*CanInstallCallBack(int handle, int
index, void (far* proc)() );
Parameters handle : handle retrieve from CanOpen-
Driver()
Index : event type
void (far *proc)() : Call-back function
The suggested prototype of the call-back
function is like void (far ErrorWarning)();
Return Value Previous call back function (NULL when
there is no Call back installed)
Remarks Install the call-back function for event han-
dling
In normal state, all hardware interrupt of
cPCI/PCI-7841 wouldn’t be set except
receive and transmit interrupt. After calling
the CanInstallCallBack(), the corresponding
interrupt would be activated. The interrupt
Index Type
2 Error Warning
3 Data Overrun
4 Wake Up
5 Error Passive
6 Arbitration Lost
7 Bus Error