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INtime SDK v7.1 > About INtime > Networking and I/O > High-Performance Ethernet > hpe1588AdjustSystemTime

Adjust the 1588 system clock by the amount given in the timeincr parameter.

HPESTATUS hpe1588AdjustSystemTime(
    HPEHANDLE devhandle, 
    int timeincr


A handle value for the device.
A signed integer value in nanosecond units that determines the amount to adjust the clock forwards or backwards. The value may be between plus or minus 2^29. The bottom four bits are ignored.

Return Values

A status value indicating the success or failure of the operation:

E_OK The operation completed successfully.
E_EXIST The handle given is not a handle for an open HPE interface.
E_SUPPORT IEEE1588 functionality is not supported by the hardware interface.


Versions Defined in Include Link to
INtime 6.0 (HPE3) intime/rt/include/hpeif2.h hpeif2.h hpeif2.lib
See Also