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This will make it easier to figure out what the contents of the flash
should look like from altosui; the current 'guessing' mechanism will
not scale to many more formats.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Record pre-launch samples in a small ring and flush that to flash when
launch is detected. This provides a complete record of the flight,
rather than simply starting after launch detect.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Instead of logging the best height guess from the kalman filter, log
barometer data. The logged data consists of the average value betwen
log points to reduce noise.
Signed-off-by: Keith Packard <keithp@keithp.com>
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This changes the full telemetry stream to include kalman data instead
of the old ad-hoc flight data. It's compatible in that the packet
sizes are the same so teledongle can receive either and figure out
which it has received.
A few plotting and testing tools are added to make validating the new
code easier.
Signed-off-by: Keith Packard <keithp@keithp.com>
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This is a lot more useful than the old filtered pressure data.
Signed-off-by: Keith Packard <keithp@keithp.com>
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Initialize the flight log for tiny systems by scanning the log area to
find the current flight number and log area bounds.
Stop logging data when the flight is over, or when the log area is
full.
Signed-off-by: Keith Packard <keithp@keithp.com>
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This splits the logging code into management of the log space within
storage and separate code to actually write suitable log entries. A
new log writing module, ao_log_tiny, is added which writes only
altimeter data at a fairly low data rate for devices using on-chip
storage.
Signed-off-by: Keith Packard <keithp@keithp.com>
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