Bret Yen-Ting Lin wrote:
Hi

I was just going through the new specifications for TDMA v2, kind of got curious on why the timestampings are now set to 8 bytes instead of the 4 bytes from previous ?

I always though RTIME is a 'long long' type which is itself a 8 byte variable, how was it 4 byte in the first place ?


Forget about that 4 bytes, it was a typo. The intension was always to have 64 bits, thus 8 bytes time representation in the frames. This allows the direct use of high precision timers like the one of RTAI.


So just to a wild guess, it the 8 byte timestamp set to GPS time representation ?


There are just nanoseconds encoded, nothing special.

Jan


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