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Timestamps reference #41

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DanieleMarchisotti opened this issue May 5, 2023 · 2 comments
Open

Timestamps reference #41

DanieleMarchisotti opened this issue May 5, 2023 · 2 comments

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@DanieleMarchisotti
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In ardupilot_interface.cpp the timestamps of MavLink messages can be obtained with "current_messages.time_stamps".
Which is the reference of these timestamps?
Are they directly referred to GPS timestamp or they are referred to the internal clock of the autopilot? I refer to outdoor conditions with optimal GPS signal.
@julianoes
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Can you give some context of the problem you're having? I don't quite understand the technicalities otherwise.

@DanieleMarchisotti
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I need to the autopilot data labeled with GPS timestamps to have data aligned with another system that has data referred to GPS timestamp. Anyway, I was able to solve the problem by reading the SYSTEM_TIME message.

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@julianoes @DanieleMarchisotti