diff options
| author | Keith Packard <keithp@keithp.com> | 2012-05-07 21:53:53 -0700 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2012-05-07 21:53:53 -0700 |
| commit | da2c920b9f3378d5a18551e008c1da5dace1e0ef (patch) | |
| tree | 6d286e509a7ed112a1bf0a02f9e9ad6b84233e30 | |
| parent | b5b898264077fcada29e73efa28dcbe4729f2709 (diff) | |
altosui: Try to make telem tick counts match eeprom
telem files can have an extra wrap or two of tick count if they start
recording a long time before the flight. Account for this so that the
CSV file output from each have matching tick values.
Signed-off-by: Keith Packard <keithp@keithp.com>
| -rw-r--r-- | altosui/AltosTelemetryIterable.java | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/altosui/AltosTelemetryIterable.java b/altosui/AltosTelemetryIterable.java index 278cbfb7..a1b25332 100644 --- a/altosui/AltosTelemetryIterable.java +++ b/altosui/AltosTelemetryIterable.java @@ -88,6 +88,15 @@ public class AltosTelemetryIterable extends AltosRecordIterable { if (previous != null) records.add(previous); + /* Adjust all tick counts to match expected eeprom values, + * which starts with a 16-bit tick count 16 samples before boost + */ + + int tick_adjust = (boost_tick - 16) & 0xffff0000; + for (AltosRecord r : this) + r.tick -= tick_adjust; + boost_tick -= tick_adjust; + /* adjust all tick counts to be relative to boost time */ for (AltosRecord r : this) r.time = (r.tick - boost_tick) / 100.0; |