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Rj/timestamp tweaks #255

Merged
merged 8 commits into from
Feb 2, 2021
Merged

Rj/timestamp tweaks #255

merged 8 commits into from
Feb 2, 2021

Commits on Feb 2, 2021

  1. timestamping: full u32 range 

    The sampling timer and the timestamping timer have the same period.
The sampling interval and the batch size are powers of two.
If the timestamping timer wraps at a power of two larger than the
batch period, it will wrap in sync with the batch period.

Even if it didn't the RPLL would handle that. But it requires that the
timer wraps at the u32/i32 boundary (or be shifted left to wrap there).
    @jordens
    jordens committed Feb 2, 2021
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  2. timestamp: pass overflows to the top and ignore them there

    @jordens
    jordens committed Feb 2, 2021
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  3. timestamping_timer: also reset counter

    @jordens
    jordens committed Feb 2, 2021
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  4. timestamping: docs and naming

    @jordens
    jordens committed Feb 2, 2021
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  5. iir: tweak math a bit

    @jordens
    jordens committed Feb 2, 2021
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  6. timers: remove spurious tim2 reset

    @jordens
    jordens committed Feb 2, 2021
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  7. hw/config: add TODO on synchronization

    @jordens
    jordens committed Feb 2, 2021
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  8. lockin-external: add doc

    @jordens
    jordens committed Feb 2, 2021
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