Keith Packard [Fri, 1 Apr 2011 03:55:18 +0000 (20:55 -0700)]
altos: Make ao_flight_test show true height but report saturated height
To simulate a saturated baro sensor, clip baro data at a specified
altitude. Continue to report the 'true' altitude in the output so that
the resulting graphs are useful.
Keith Packard [Tue, 29 Mar 2011 17:08:46 +0000 (10:08 -0700)]
altos: ao_sample_preflight was exiting preflight mode immediately
Need to stay in pre-flight mode until we've gotten enough sensor data
to calibrate things appropriately. The conversion from a unified
ao_flight.c file was just broken here.
Keith Packard [Tue, 29 Mar 2011 16:39:27 +0000 (09:39 -0700)]
altosui: Don't display 0000-00-00 for missing flight log dates
With Tm/Tn not having GPS to get the current date, it's no longer
unusual to have no date for a flight log, so don't show the 0000-00-00
piece in that case.
Keith Packard [Tue, 29 Mar 2011 16:37:11 +0000 (09:37 -0700)]
altosui: Make deployment testing handle Connecting... dialog
Supporting the Connecting... dialog requires moving all serial
communication to a separate thread. This was done by creating a worker
thread and command queue to communicate between the UI and the serial line.
Keith Packard [Tue, 29 Mar 2011 06:35:05 +0000 (23:35 -0700)]
altosui: Clean up packet link connecting dialog
Make sure the dialog is destroyed after use (otherwise, it hangs
around on the screen sometimes).
Switch timeout before showing dialog to 500ms -- that brings the
dialog up less often when unnecessary.
Use 'timeout_started' boolean to indicate whether the I/O thread has
queued the dialog for display and whether it needs to queue a call to
close it down.
Keith Packard [Tue, 29 Mar 2011 00:54:44 +0000 (17:54 -0700)]
altos: Split up flight code into separate flight/sample/kalman bits
The flight code mashed together data processing, filtering and actual
flight managament into one giant pile. Split things up so that we
have:
ao_sample.c: Sensor data processing. Reads the ring, handles calibration
ao_kalman.c: Filter the data to track the accel/speed/height values
ao_flight.c: Flight state management, specific to rocketry.
The plan is to re-use ao_sample.c and ao_kalman.c for hardware not
specifically designed for rocketry, like TeleNano.
Keith Packard [Sun, 27 Mar 2011 07:48:07 +0000 (00:48 -0700)]
altosui: Handle serial calls from swing thread
Calls from the swing thread cannot be canceled as there's no way to
put up the cancel dialog. In this case, simply use the 5 second
timeout and fail if no communication occurs within that amount of time.
Keith Packard [Sun, 27 Mar 2011 07:46:19 +0000 (00:46 -0700)]
altosui: Tell serial device which frame to use for timeout dialogs
For the timeout dialog to appear, a frame must be configured for it to
appear near. This patch sends the frame from the eeprom download
functions to the serial code. That path doesn't yet work as the eeprom
download is still trying to talk to the serial device from the swing
event thread, which prevents the cancel dialog from working.
Keith Packard [Sun, 27 Mar 2011 07:13:38 +0000 (00:13 -0700)]
altosui: Allow radio channel to be configured over the radio link
TeleMini/TeleNano can't be configured via USB, so we need to allow
the radio channel to be set over the radio link.
This change carefully sets the new radio channel, disables the remote
link and then sets the teledongle channel to the new value and brings
the link back up.
Keith Packard [Sun, 27 Mar 2011 07:12:01 +0000 (00:12 -0700)]
altosui: Off-by-one error in telemetry format configuration UI
The telemetry format menu uses 0 for full and 1 for tiny, but the
telemetry configuration uses 1 for full and 2 for tiny. One direction
(config to UI) was right, the other (UI to config) was wrong.
Keith Packard [Sun, 27 Mar 2011 06:38:54 +0000 (23:38 -0700)]
altos: full logging must flush pending data before checking state
Flight state must be checked only after any pending data have been
written to the log as the 'current' flight state is only valid when
the pending data values have been processed. This ensures that the
'boost' state is not marked until the full ring of data is
written. This ensures that the data processing code can find the
barometer values from before boost to get an idea of the ground
pressure value.
Keith Packard [Sun, 27 Mar 2011 06:15:36 +0000 (23:15 -0700)]
altos: Variable log rate in full logging code too
With the fixed ADC rate used to get better data during flight, the
logging code now needs to vary the data storage rate so that descent
data is recorded at 10 samples/second while ascent data is recorded at
1 sample per second. Having the logging code do this itself eliminates
any interaction with the flight code.
Keith Packard [Sat, 26 Mar 2011 07:01:22 +0000 (00:01 -0700)]
altosui: Allow TM config connection to be canceled.
This leaves the config UI connection attempt running and pops up a
dialog box when it takes 'too long' in the remote case so that users
with Tm or Tn devices can bring up the UI, and then boot the Tm/Tn
without needing to time things carefully.
Keith Packard [Sat, 26 Mar 2011 05:01:18 +0000 (22:01 -0700)]
altosui: Remove extra AltosEepromBlock layer
This was interposed between the download layer and the eeprom layer to
hold a eeprom block full of flight log records. The addition of the tiny
log format required reworking the code to hold chunks full of eeprom
data without regard to their content, so this content-specific layer
didn't seem useful anymore.
Keith Packard [Sat, 26 Mar 2011 04:34:31 +0000 (21:34 -0700)]
altosui: Add support for downloading TeleMini/TeleNano flight logs
Splits the eeprom downloading code into eeprom block downloading and
separate eeprom data parsing so that the new data logging format can
share the data downloading code.
Keith Packard [Wed, 23 Mar 2011 23:08:43 +0000 (08:08 +0900)]
altosui: Add telemetry format menu and preferences
Switches the TeleDongle between full and tiny telemetry packet
formats, saving the last used format for each teledongle in the
application preferences.
Keith Packard [Wed, 23 Mar 2011 01:33:38 +0000 (10:33 +0900)]
altos: Ignore alt error for fast->coast. Allow larger error for baro apogee.
With the fixed kalman filter, transitions across mach don't cause
bumps in the merged filter.
And, with working kalman bits, the signal for broken baro detection is
stronger and so we can allow for baro apogee detection in cases where
noise occurs close to apogee.
Bump the kalman filter to trust the baro less so that the model tracks
across mach.
Keith Packard [Tue, 22 Mar 2011 07:51:04 +0000 (16:51 +0900)]
altos/kalman: Kalman terms can be > 1, use 32-bit fixed point
Because speed and acceleration are scaled by 16, it's fairly common
for the kalman terms to end up larger than 1. Instead of trying to
fuss with 16-bit values and shifts, just use 32-bit values.
Keith Packard [Mon, 21 Mar 2011 23:51:23 +0000 (08:51 +0900)]
altos: Compute a 'trust' value for the barometer
Instead of making the baro use/don't-use decision binary, use a 'trust
value' which slowly migrates from baro+accel to accel-only mode. This
eliminates bumps in the data from a rapid shift.
Keith Packard [Mon, 21 Mar 2011 20:42:51 +0000 (05:42 +0900)]
altos: Switch telemetrum over to kalman filter
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.
Keith Packard [Sun, 20 Mar 2011 06:53:08 +0000 (23:53 -0700)]
altos: New telemetry report format (version 4). Supports tiny telemetry.
This completely replaces the version 3 format with a much simpler and
easier to parse scheme. It's described in detail in ao_telem.h, but
the basic idea is that the whole line is split into name/value pairs,
separated by whitespace. Every name is unique, and the values are
either strings or integers. No extraneous formatting or units are
provided.
Keith Packard [Sun, 20 Mar 2011 06:51:02 +0000 (23:51 -0700)]
altos: The kalman code requires a constant sample rate
The kalman function can't handle a variable sample rate, so keep the
ADC running at full speed for the whole flight instead of slowing it
down after apogee.
Keith Packard [Sun, 20 Mar 2011 06:46:18 +0000 (23:46 -0700)]
altos: Split out tiny telemetry from full telemetry
The TeleMini and TeleNano boards do not have either GPS or
accelermeters, and they also run the kalman filter which produces
standard unit measurements for the flight height/speed/accel
values. This makes the telemetry significantly
different. ao_telemetry_tiny.c sends the required data.
Note that TeleNano sends the same telemetry as telemini at this point;
there are a couple of values which are not useful, but the overhead of
sending them is small enough that the hassle of having three telemetry
formats seemed excessive.
Keith Packard [Sun, 20 Mar 2011 06:41:44 +0000 (23:41 -0700)]
altos: Make telemetry interval more consistent
Instead of using a delay between telemetry packets, use a telemetry
period and compute an appropriate delay each time. This requires
changing the ascent telemetry from a 50ms delay to a 100ms interval,
to provide a regular 10 packets-per-second rate. Before, we counted on
the telemetry packet taking about 50ms to send so that we would
receive about 10 per second.
This also eliminates delays during descent for RDF tones -- those will
get transmitted in the interval between telemetry packets without
interrupting the spacing of those packets.
Keith Packard [Sun, 20 Mar 2011 06:31:20 +0000 (23:31 -0700)]
altos: Configure packet size from send/recv parameters.
Instead of setting the packet size at configuration time, use the
provided packet size to the send/recv functions to configure the
radio. This eliminates many configuration calls, leaving us with 'RDF'
mode and 'packet' mode, the latter working for telemetry and the
bi-directional link.
Keith Packard [Sun, 20 Mar 2011 06:27:15 +0000 (23:27 -0700)]
altos: Don't init packet slave on TD. Make slave start optional
Oops. TeleDongle was starting the packet slave code, which kinda
wrecked its ability to receive telemetry packets. This patch simply
removes the packet slave code from teledongle as it cannot be used
(yet), it also makes the packet slave code initialization take a
parameter which controls whether to start that by default; in the
future, perhaps TeleDongle will gain a command to start packet slave mode.
Keith Packard [Fri, 18 Mar 2011 23:53:11 +0000 (16:53 -0700)]
altos: Add kalman filters for baro-only boards
This adds a baro-only kalman filter to track the state of the rocket,
and then uses it to control flight events instead of the existing
ad-hoc mechanisms.
Keith Packard [Thu, 17 Mar 2011 23:00:10 +0000 (16:00 -0700)]
altos: Add tiny logging for TeleMini/TeleNano
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.
Keith Packard [Thu, 17 Mar 2011 03:36:50 +0000 (20:36 -0700)]
altos: Internal flash ops block when running from flash
The docs say that if you are executing from flash, then the CPU will
stall after a flash write or erase command is started until the
operation is complete. Take advantage of that to simplify the flash
code.
Anthony Towns [Sat, 26 Feb 2011 06:06:48 +0000 (16:06 +1000)]
ao_intflash: Avoid overwriting code
Require firmware to specify the end of its codespace in its Makefile,
and use this to determine where the start of available flash is. Should
give compile time errors if either there's no room left for storage, or
if there's not enough room for code.
Keith Packard [Mon, 7 Mar 2011 05:00:52 +0000 (21:00 -0800)]
altos: Start with packet slave running. Turn off in pad mode.
Instead of turning slave mode on in idle mode, start with it running
and disable it in pad mode instead. This means packet mode is
available in startup mode too.
Anthony Towns [Sun, 27 Feb 2011 01:11:12 +0000 (11:11 +1000)]
src/ao_cmd: Shave off bytes from doc strings
Switch to using { func, "X args\0Desc" } to specify command, saving
a char field by looking at help[0] instead, and reduce help length by
doing alignment with printf instead of hardcoded spaces.
Keith Packard [Sat, 19 Feb 2011 09:06:01 +0000 (01:06 -0800)]
altosui: Display eeprom parsing errors to user
When reading the eeprom, any parsing errors (most likely bad
checksums) indicate some kind of problem with either the hardware or
the flight software. Display these to the user and do not erase the
flight.
Keith Packard [Sat, 19 Feb 2011 09:04:19 +0000 (01:04 -0800)]
altosui: Always read whole eeprom block, even at end of flight
Instead of stopping early, continue reading the whole eeprom block so
that the extra serial data doesn't end up confusing the next user of
the serial line, which may well be reading the next flight.
Keith Packard [Fri, 18 Feb 2011 18:02:46 +0000 (10:02 -0800)]
altos/test: auto-configure acceleration parameters from the log file
The flight test code had static accelerometer configuration values,
making it impossible to use data from different boards without
recompiling. As the eeprom and telem log files both contain the
necessary data, parse that instead.
projects / fw / altos / log