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20 Commits

Author SHA1 Message Date
Andrew Tridgell 0f144eeb8a AP_InertialSensor: fix for ICM42688 stuck gyro issue 
these undocumented bits in register 0x4d control the "adaptive full
scale range" mode of the ICM42688. The feature is enabled by default
but has a bug where it gives "stuck" gyro values for short periods
(between 1ms and 2ms):, leading to a significant gyro bias at longer
time scales, enough to in some cases cause a vehicle to crash if it is
unable to switch to an alternative IMU

this fixes https://github.com/ArduPilot/ardupilot/issues/25025
 2023-11-07 17:37:35 +09:00
Andy Piper 3cca401af8 AP_InertialSensor: calculate backend sample rates on ICM45686 correctly 2023-02-22 18:06:46 +11:00
bugobliterator 5680c411e9 AP_InertialSensor: can check icm45686 RTC_CONFIG reg because reserved value changes 2023-02-22 18:06:46 +11:00
bugobliterator ef9e264919 AP_InertialSensor: set default data rate to 3.2kHz for ICM-45686 2023-02-22 18:06:46 +11:00
bugobliterator b20ffce39d AP_InertialSensor: add soft reset, clkin for icm45686 and other fixes 2023-02-22 18:06:46 +11:00
Andy Piper 727aa02c26 AP_InertialSensor: correct register setup for ICM45686, make CLKIN optional 2023-02-22 18:06:46 +11:00
Andy Piper 4aafb3ab71 AP_InertialSensor: fast sampling for ICM45686 
Fix accel scale on ICM45686
 2023-02-22 18:06:46 +11:00
bugobliterator 35f05738d0 AP_InertialSensor: add support for ICM45686 IMU 2022-11-01 10:41:59 +11:00
Andy Piper 55aed98f81 AP_InertialSensor: ensure that hardware AAF and notch filter are enabled on 42605 and 42609 2022-10-25 11:06:02 +11:00
Andy Piper a6312ac893 AP_InertialSensor: correctly detect bad frames on regular ICM42xxx 2022-08-12 20:53:36 +10:00
Andy Piper 221ab9752e AP_InertialSensor: synchronise fifo reads on the ICM42xxx 2022-08-12 20:53:36 +10:00
Andy Piper 155d436807 AP_InertialSensor: support for fast sampling rates on ICM-42xxx series 
thoughtfully set anti-aliasing filters on ICM-42xxx series
 2022-08-02 17:26:46 +10:00
Andrew Tridgell 2582d5fad5 AP_InertialSensor: re-enable notch filter on 42688 
thanks to Andy for pointing out this is for an internal resonance
 2022-08-02 17:26:46 +10:00
Andrew Tridgell 8a6b8fc486 AP_InertialSensor: enable 180Hz LPF on ICM42670 2022-08-02 17:26:46 +10:00
Andrew Tridgell 5b579aebce AP_InertialSensor: enable AAF at 488Hz for gyro+accel on ICM42688 
this should improve vibration handling
 2022-08-02 17:26:46 +10:00
Andrew Tridgell 5bde9b0e7c AP_InertialSensor: added support for ICM42670 IMU 2022-08-02 17:26:46 +10:00
QioTek 586c2064a6 AP_InertialSensor: added support for IIM-42652 and ICM-40605 sensors 
handle new Invensense v3 sensor types
 2021-12-14 11:38:36 +11:00
Andrew Tridgell b3ed4f4b12 AP_InertialSensor: fixed handling of more than 3 accel/gyro instances 
allows for first 3 to work without a panic
 2021-04-13 09:36:52 +10:00
Andrew Tridgell 4cddf37984 AP_InertialSensor: log unexpected register changes 
when the register checking code finds an error we will log what
register changed and to what value
 2021-02-24 18:18:37 +11:00
Andrew Tridgell 957842f7eb AP_InertialSensor: added support for v3 Invensense sensors 
starting with ICM-40609, ICM-42688 and ICM-42605
 2021-01-11 14:43:35 +11:00