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142 Commits

Author SHA1 Message Date
peabody124
a406034ed9 OP-132 Flight/AHRS: Changed the heuristics regarding GPS quality and INSGPS updates. Now if satellites < 7 or PDOP > 3.5 it does not perform GPS updates. Professor is working on some code to fix parts of the covariance matrix. If indoor updates high a 0 position and velocity and high variance. 
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1515 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-09-04 02:19:00 +00:00
peabody124
12657440c3 OP-132 AHRS: Added an indoor flight mode and also add an ad-hoc quality heuristic to the GPS signal to increase the measurement variance from GPS when fix quality is poor or when in indoor flight mode. In addition corrected the indentation to conform to the tab/space convention forum discussion. 
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1474 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-08-31 02:11:09 +00:00
peabody124
f202884ce8 AHRS: Numerous changes. Added CPU load monitoring for AHRS as well as some friendly debugging output options. Also added a new CalibrationMode setting to AHRS (Echo) to speed up sensor calibration. Cleaned up the 6 point calibration interface to make it more friendly, but I think Edouard will clobber it with something nice and sexy :). 
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1455 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-08-29 06:38:30 +00:00
peabody124
8128c3bbfa OP-118 AHRS: Added 6 point calibration routine to AHRS config widget. To use it, click "Cal Mode", then place the AHRS on each of 6 sides of a cube then click save position. Finally click compute to push the updated scale abd bias terms to the AHRS. Also fixed a bug in UAVObjectField that would not allow you to setDouble for extra fields. 
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1449 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-08-28 18:48:51 +00:00
stac
47df1faa8d ahrs: whitespace adjustments 
No functional changes.  Whitespace/tab fixups only.
Use TRUE/FALSE instead of 1/0.

git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1430 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-08-27 02:14:58 +00:00
stac
670452307d ahrs: remove unnecessary memset() of rx message buffer 
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1429 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-08-27 02:14:56 +00:00
stac
0a7088c24a ahrs: fix type on flags, remove redundant code 
No need to have boolean flags being floats.
Some of the attitude message was being populated twice.

git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1428 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-08-27 02:14:54 +00:00
peabody124
c07e1416b7 AHRS: Serial output option for AHRS and corresponding serial logger. 
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1414 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-08-26 06:25:11 +00:00
peabody124
beac0c0ea9 AHRS: Get the signs for the simple algorithm correct 
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1385 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-08-23 04:12:14 +00:00
peabody124
bd8fffe4d0 AHRS/Flight: Renamed AttitudeSettings to AhrsSettings to make it more intuitive. Added the ability to change the algorithm from GCS. 
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1383 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-08-23 03:39:13 +00:00
peabody124
2596f43511 OP-120 AHRS: Moved conversion of quaternion to RPY over from AHRS to OP to minimize transfer and computational load on AHRS. 
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1381 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-08-23 02:35:39 +00:00
peabody124
5662d85c4e OP-120 AHRS: Tightened up the communication protocol so it runs more quickly. Looks ok in gdb but GCS not crashing right now (rendering error) so I can't test it properly. 
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1366 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-08-22 00:21:54 +00:00
peabody124
8897c441fa OP-118 AHRS: Added AHRSCalibration object and messages associated with that to AHRS. Also made AHRS run calibration only when requested. We will create a GCS plugin that runs through computing the calibration settings. To compute the variances on the AHRS set the measure variances to true, wait ten seconds, then set it to false to read it back. 
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1363 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-08-21 21:46:02 +00:00
stac
b36d251bd9 ahrs: remove debug code in attitude handler 
Debug code was previously using the q4 element
in the attitude message to encode a cycle counter
to measure performance on the AHRS.  This is no
longer valid.

git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1357 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-08-21 16:23:14 +00:00
peabody124
2031cfe4d0 OP-119 AHRS: Added error counters for the messages as well as changed an error on AHRS echo back for the HomeLocation message. 
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1344 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-08-20 22:52:13 +00:00
peabody124
ef0b307353 [OP-119] Flight/AHRS: Created a HomeLocation object which is updated when the GPS gets an initial 3D fix and populated with the information to convert from LLA from the GPS to NED reference frame. Also added a message for passing the MagneticNorth vector to the AHRS and removed that computation from AHRS. 
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1337 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-08-19 20:38:27 +00:00
peabody124
3c4def13cc AHRS: Added message to pass GPS information into AHRS from OP. This is then converted 
into NED reference frame and used in the INSGPS algorithm, although currently this
information isn't propagated back to OP.  Data structures related to the GPS position
into the algorithm and the position estimate out will likely be in flux.

git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1334 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-08-19 05:18:34 +00:00
peabody124
cfd20922cd AHRS: Added the filtered data to the attitude raw object. Even though this seems like an oxymoron it's still raw to the EKF algorithm, and nice to see the real values after filtering to make sure nothing weird is going on. However, if people don't like this I'm open to suggestions/patches. I'd maybe suggest the whole attituderaw object be converted to ahrsraw anyway since it's more like that (eg. none of the values are actually attitude estimates). 
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1325 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-08-18 14:54:24 +00:00
peabody124
4cba4929c2 AHRS: Fixed another bug in decimation code - I stupidly used Matlab 1 based indexing. Adjusted timing of AHRS so it can process all the data and doesn't miss updates. Finally adjust all inputs to INS to have correct sign and orientation (I think). This is X is forward, Y is right, and Z is down which is mentioned in the forum as our standard and fits the algorithm. The magnetic sensor driver should be modified to return in this order (currently reads X,Y,Z registers which maps to left, back, up) but maybe since it's a board dependent orientation it's better where it is. 
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1315 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-08-18 05:47:44 +00:00
peabody124
64bcebb87a AHRS: Fixed bug in the downsampling code (used a += a + blah, dumb). Also added initialization of the magnetic flux based on fixed GPS settings (I hope you're near Houston). I will add the GPS communication shortly. 
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1307 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-08-17 05:32:07 +00:00
peabody124
f74268b5e5 Cleanup and documentation. 
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1304 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-08-16 16:58:24 +00:00
peabody124
a23f3c66f4 Behaving reasonably, added calibration code which runs by default on startup and take 6 seconds - this will be called from GCS in future and saved to SD card. 
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1303 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-08-16 16:58:22 +00:00
peabody124
e0d63103ec Added a testing function for INS - currently doesn't stabilize for fixed inputs. Fixed two bugs I found in INSGPS (R[10] instead of R[9] initialized and Nav.Pos[2] was set to wrong X element). 
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1302 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-08-16 16:58:20 +00:00
peabody124
d2e234b53a Adding the code from Dr. Dale to the AHRS. Currently diverges though, but not on the PC. 
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1301 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-08-16 16:58:18 +00:00
peabody124
ddbd4f8c80 Simple attitude calculation based on gravity and magnetic vector 
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1298 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-08-15 06:03:44 +00:00
peabody124
3f408ad655 AHRS: Changing AHRS to use a DMA double buffering scheme with continuous samping for the analog data, then a simple fixed point FIR/decimate function. Currently all the oversampling parameters are hard coded as definitions, but will be updated to be configurable via settings. 
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1297 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-08-15 04:09:01 +00:00
peabody124
cc2441d41b Adding ADC downsampling code 
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1296 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-08-15 04:08:57 +00:00
stac
3125ecfc4e AHRSComms: altitude sensor data is now sent to AHRS 
Altitude/pressure sensor data is sent to the AHRS whenever
the AltitudeActual object is updated.

Altitude, Pressure and Temperature are sent as floats.
Same as in the UAVObject that goes to the GCS.

git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1291 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-08-15 01:02:13 +00:00
peabody124
d4c5dba234 [PIOS] The ADC mappings are strange because of the way the DMA engine works. Basically data is packed 16 bits ADC2 then 16 bits ADC1 channels, so the accels are pins [4 2 0] currently. Also there is inconsistency between the names of the pins in the config file which uses 1 based indexing and the index for PIOS_ADC_PinGet which is zero based and has to account for this interleaving. Probably should adjust config file to be zero based and then to make those pin numbers map to the function call. The actual order they appear is arbitrary as the ADC engine can scan in whatever order. 
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1290 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-08-15 00:53:30 +00:00
stac
c3e509c2cb attituderaw: Replace HeadingActual with AttitudeRaw 
AttitudeRaw now includes:
 - magnetometers XYZ (in mG)
 - gyros XYZ (raw ADC samples)
 - accelerometers XYZ (raw ADC samples)
 - placeholder for gyro temp sensors (read as zero for now)

git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1289 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-08-14 23:42:14 +00:00
stac
05485e5b63 ahrs: tie main loop into SPI link FSM 
- AHRS mainloop now runs flat out updating sensor data and
processing any messages sent from the OP board.
- Raw data is provided from the magnetometers
- Fake data is provided for attitude solution
- Correct data is provided for serial number queries

Note: There is a bug in the i2c code that very quickly leaves the
      magnetometer in a broken state and returning incorrect values.

git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1013 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-07-04 02:21:47 +00:00
stac
29a8f05ac9 mag sensor: put some bounds on the parameters 
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@1012 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-07-04 02:21:45 +00:00
stac
771a56ca9d com/usart: generalize com driver API 
- Created a pluggable COM layer
- Converted COM + USART init into static initializers
  rather than typedefs
- Generalized the USB HID COM API to match the USART
  API.
- Changed USART and COM layers to be data driven rather
  than #ifdef'ing/switching on the specifics of each port

git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@760 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-06-13 04:24:26 +00:00
stac
8d015a57d0 pios spi: support both master and slave configs 
Added support for SPI slave configurations to the pios SPI layer.

Converted the board specific configuration for the PIOS SPI layer to
use const static initializers rather than #defines (see pios_board.c).

SPI interface between the OP board and the AHRS is now operational at
a basic level, capable of moving simple single byte messages between
boards.  Multi-byte, CRC protected messages will be added on top of this.

git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@759 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-06-13 04:23:44 +00:00
gussy
5991a93739 Added GPIO functions for accelerometer full-scale selection. 
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@625 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-05-15 15:27:52 +00:00
gussy
73b5e29e02 Finalised and verified PIOS_HMC5843 library. 
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@624 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-05-15 12:50:05 +00:00
gussy
f9256b22d0 AHRS basic sensor test code revision. 
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@619 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-05-13 09:40:00 +00:00
gussy
22fbd8e4bd ADC Updates. 
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@618 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-05-12 12:09:35 +00:00
gussy
ff73ab5a80 More updates to cross-target compatibility. 
Added PIOS_I2C into AHRS code.
Added PIOS_HMC5843 Module.




git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@617 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-05-12 08:18:49 +00:00
gussy
8f3c2dbafb Changes to PiOS to be compatible with the AHRS. 
Updates to AHRS code.

git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@615 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-05-11 13:36:13 +00:00
dankers
c8c0e8be9e Comment changes 
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@220 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-03-02 00:57:09 +00:00
gussy
fbb175e01c Initial commit of AHRS project code base. 
git-svn-id: svn://svn.openpilot.org/OpenPilot/trunk@212 ebee16cc-31ac-478f-84a7-5cbb03baadba
 2010-02-28 12:10:48 +00:00