CanWriteDescriptor

The function CanWriteDescriptor in its acceptance -code and -mask of the SJA1000-controller.

BOOL CanWriteDescriptor(ULONG place, ULONG descr, ULONG mask); BOOL DCanWriteDescriptor(int devno, ULONG place, ULONG descr, ULONG mask);

Parameters

devno
Index of SJA1000-controller to use (starting with 0).
place
0, ignored.
descr
The value stored to the acceptance-code register of the SJA1000.
mask
The value stored to the acceptance-mask register of the SJA1000.

Return Values

If this function succeeds, the return value is TRUE.
If the function fails, the return value is FALSE. Additional error-information is availlable through CanGetLastError

Remarks

Default value for the acceptance-code is 0 and -1 for the acceptance-mask. This results in no message beeing accepted.
Function must be called at least once on startup of the application.

Requirements

OS Versions: Windows CE 4.2 and later.
Header: gfcan32ce.h
Link Library: singlecan.lib (one sja1000-controller), dualcan.lib (two or more sja1000-controller)

See Also

SJA1000 Can Bus Support