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94 Commits

Author SHA1 Message Date
Randy Mackay a09f7b9198 AP_InertialSensor_MPU6k: init members to reduce compiler warnings 2014-07-16 14:40:55 +09:00
Andrew Tridgell abb53eb9a2 AP_InertialSensor: simplify using HAL board subtypes 2014-07-14 09:44:35 +10:00
Andrew Tridgell 3ed4f82cb0 AP_InertialSensor: fixed DRDY include for Linux 2014-07-14 09:44:33 +10:00
Andrew Tridgell 06b6d7aaf0 AP_InertialSensor: fixeup DRDY pin for different boards 2014-07-14 09:44:33 +10:00
Víctor Mayoral Vilches 3379ddd51f AP_InertialSensor_MPU6000: Add _register_write_check method. 
This private method allows to check whether the value written and
the posterior value readed are the same.
Should be used only for debuging purposes, for release versions use
_register_write instead.
 2014-07-14 09:44:33 +10:00
Víctor Mayoral Vilches ad3a3f9366 AP_InertialSensor_MPU6000: Fix the CS. 2014-07-14 09:29:45 +10:00
Víctor Mayoral Vilches d9cb29ea8b AP_InertialSensor_MPU6000: Correct DRDY pin. 2014-07-14 09:29:18 +10:00
Andrew Tridgell ece01da10e AP_InertialSensor: fixed _dump_registers() for MPU6000 
need to take the semaphore to prevent bus errors
 2014-06-29 12:11:21 +10:00
Andrew Tridgell b1c5f23bbd AP_InertialSensor: make get_delta_time() const 
allows use from AP_NavEKF
 2014-02-15 05:29:47 +11:00
Andrew Tridgell a0688a69d4 AP_InertialSensor: generalise the accel/gyro calibration for N sensors 2013-12-09 17:34:06 +11:00
Andrew Tridgell 2753449e75 AP_InertialSensor: added support for multiple accel/gyro devices 
this makes it possible to ask for the gyro and accel vectors from
secondary INS devices.
 2013-12-09 17:34:05 +11:00
Andrew Tridgell 80def01fbe AP_InertialSensor: fixed semaphore error on startup for MPU6000 2013-11-09 11:26:50 +11:00
Andrew Tridgell f5299e2e11 AP_InertialSensor: added healthy check for PX4 and HIL 
used to detect bad accels
 2013-11-07 13:53:59 +11:00
Andrew Tridgell 9ecd889e9d AP_InertialSensor: detect bad MPU6000 SPI transactions and lower bus speed 
this uses bad data or bad INT_STATUS values from the MPU6000 to detect
the sensor running too fast and lower bus speed
 2013-11-07 12:48:17 +11:00
Andrew Tridgell b98bcbf715 AP_InertialSensor: automatically lower bus speed on mpu6k bad reads 2013-11-07 12:48:16 +11:00
Andrew Tridgell bdc40cc7df AP_InertialSensor: try to lower SPI bus speed on errors 2013-11-07 12:48:16 +11:00
Andrew Tridgell 9833900f91 AP_InertialSensor: run MPU6000 sensor register reads at 8MHz 
run other register IO at 500kHz
 2013-10-13 11:03:08 +09:00
Andrew Tridgell e5e4cdee18 AP_InertialSensor: added wait_for_sample() API call 
this waits for a new INS sample to arrive, using whatever method is
most efficient on each INS type
 2013-10-08 17:31:15 +11:00
Andrew Tridgell dda68bddcb AP_InertialSensor: updates for AP_HAL::MemberProc 2013-09-30 21:06:42 +10:00
Andrew Tridgell 03036c632d AP_InertialSensor: use new scheduler API 2013-09-28 21:24:03 +10:00
Randy Mackay f7ba0438ef InertialSensor: remove DMP 
this saves 3K of flash
 2013-09-27 10:43:33 +09:00
Andrew Tridgell 14636e1cdf AP_InertialSensor: changed num_samples_available() to sample_available() 
this makes the interface clearer. It also fixes a 3D accel cal bug.
 2013-09-27 10:49:00 +10:00
Andrew Tridgell 1ec5cbed81 AP_InertialSensor: removed SMACCM support 2013-09-26 22:38:31 +10:00
Andrew Tridgell 770b7b5901 AP_InertialSensor: prevent a lockup in MPU6000 driver 
thanks to the VRBrain port for noticing this bug.

Failing to get the semaphore is an expected error with the MPU6000, as
we read data both from timer context and mainline code. That means
semaphore conflicts are inevitable. We shouldn't consider them an
error, and shouldn't panic when some arbitrary number of them have
happened since boot.

Instead the wait_for_sample() code checks that we receive new data at
least every 50ms. That is a much safer test.
 2013-09-23 22:48:36 +10:00
Andrew Tridgell 76e20150e9 AP_InertialSensor: ensure parent class is initialised in instance classes 2013-04-12 14:30:35 +10:00
Randy Mackay af13f6795c INS: switch to global definition of GRAVITY_MSS 
saves 4 bytes of RAM
 2013-04-05 22:57:46 +09:00
Randy Mackay 318a831b57 INS: set default filter to 20hz for APM2.x and PX4 2013-03-01 19:35:34 +09:00
Andrew Tridgell a63275d284 AP_InertialSensor: expand register range in MPU6000 _dump_registers() 2013-02-13 19:33:40 +11:00
Andrew Tridgell 7b1245937c AP_InertialSensor: always sample at 200Hz in MPU6000 
this changes the sampling to 200Hz regardless of requested rate, and
it is downsampled inside num_samples_available() using a shift. This
gives better noise resistance in ArduPlane.

This patch also makes it possible to update the filter frequency while
running, which is very useful for bench testing with a vibration
source
 2013-02-07 10:23:08 +11:00
Randy Mackay bad81a5113 AP_InertialSensor_MPU6k: remove unnecessary check of sign when receiving fifo packet from dmp 2013-01-27 11:22:39 +09:00
James Bielman 5631f865b2 Update floating point calculations to use floats instead of doubles. 
- Allows use of hardware floating point on the Cortex-M4.
- Added "f" suffix to floating point literals.
- Call floating point versions of stdlib math functions.
 2013-01-16 13:52:01 +11:00
Andrew Tridgell d7996acdf7 AP_InertialSensor: added set_board_orientation() method 2013-01-13 17:32:48 +11:00
Andrew Tridgell 6142eac4b4 AP_InertialSensor: simplify get_delta_time() API 
use a single float return rather than two APIs.

This also changes the MPU6k driver to match the new 2.9 behaviour of
using the MPU6k sample timing instead of micros()
 2013-01-11 21:17:21 +11:00
Pat Hickey 910e09fc96 AP_InertialSensor_MPU6000: fix sync/async semaphore usage with new scheduler 2013-01-10 14:12:19 -08:00
James Bielman 8e38ef6567 MPU6000: Flip Y and Z axes for SMACCM_HAL. 
- The accelerometer is upside-down on the PX4FMU vs the APM2.
 2013-01-09 11:19:51 -08:00
James Bielman 1309b7332a MPU6000: Use signed addition when accumulating readings. 
- Fixes very erratic accel readings on the PX4 board.
 2013-01-09 11:19:51 -08:00
Andrew Tridgell f48790a56e AP_InertialSensor: poll for new data in num_samples_available() 
this lowers the latency for new data
 2013-01-09 20:31:09 +11:00
Andrew Tridgell 4ab1cddd15 AP_InertialSensor: ensure we always have the SPI semaphore for MPU6k 2013-01-09 20:30:20 +11:00
Andrew Tridgell b39166b71a MPU6000: fixed minor timing bug 
if we miss a sample due to SPI contention we shouldn't update last
sample time
 2013-01-07 11:07:29 +11:00
James Bielman d84ba8ef59 Use HAL suspend/resume timer procs rather than atomic. 
- Preparation for removing begin/end atomic.
 2013-01-03 17:33:13 -08:00
Pat Hickey d808c19c10 AP_InertialSensor_MPU6000: uses new semaphores 
* some refactoring to fix differences between timerprocess
  and non-timerprocess usage
 2013-01-03 13:48:07 -08:00
James Bielman acf05a29ee AP_InertialSensor_MPU6000: Poll status register if there is no data ready pin. 2013-01-03 13:48:06 -08:00
Andrew Tridgell 212728be34 InertialSensor: ensure MPU6000 is out of sleep mode before configuring 
the MPU6000 starts in sleep mode, and can take a while to wakeup
 2012-12-27 21:28:41 +11:00
Andrew Tridgell 122b8716a7 InertialSensor: added auto reset of MPU6000 on startup failure 
this works around the problem of the MPU6000 failing to come up on DTR
reset or warm reboot
 2012-12-24 07:17:03 +11:00
Andrew Tridgell 44ad850542 InertialSensor: latch the data ready pin high on new data 
this ensures we don't miss a sample due to another source of delay
 2012-12-23 17:46:36 +11:00
Andrew Tridgell e2edad8a3f InertialSensor: fixed last sample time in MPU6000 
we lost this in the final work on the DTR bug
 2012-12-23 08:59:35 +11:00
Andrew Tridgell 1a53bc783c InertialSensor: poll data ready pin instead of an interrupt for MPU6k 2012-12-22 09:16:31 +11:00
Andrew Tridgell 9548e7e79e InertialSensor: simplify the data_ready interrupt handling 
this avoids using the defer process code, and fixes a nasty bug that
caused the APM to lockup on reset
 2012-12-21 20:01:19 +11:00
Andrew Tridgell 44f860e102 InertialSensor: fixed some compiler warnings 2012-12-20 14:52:35 +11:00
Pat Hickey b502732249 AP_InertialSensor: rewrite basic code for spi device transactions 
* I'm not touching that DMP stuff because I'm pretty convinced it should
  instead be deprecated
 2012-12-20 14:52:32 +11:00