Update the exttimestamp field with the extended timestamp of timestamp
For the first call of the method, exttimestamp should point to a location
with a value of -1.
This function is able to handle both forward and backward timestamps taking
into account:
timestamp wraparound making sure that the returned value is properly increased.
timestamp unwraparound making sure that the returned value is properly decreased.
Update the exttimestamp field with the extended timestamp of timestamp For the first call of the method, exttimestamp should point to a location with a value of -1.
This function is able to handle both forward and backward timestamps taking into account: