Feature persist compass calibration #5562
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- only active for BMX160 accelerometers on RAK_4631 - replace automatic calibration on power on with button triggered calibration - set 5 presses to trigger 30s calibration - set 6 presses to trigger 60s calibration (useful if unit is not handheld, ie vehicle mounted) - show calibration time remaining on calibration alert screen
- exclude changes from non RAK 4631 builds - remove calls to screen when not present
- exclude all compass heading updates on variant without screen
- move compass calibration highest/lowest XYZ to struct for easier load/save - implement littleFS load/save of compass calibration values
- change updateState function to saveState function for clarity - increase max save size
- initiate calibration with first read values to account for min values > 0
- fix orientation vectors based on acceleration from calibration - re-zero calibration data after running calibration to start fresh on next calibration
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Additional changes have been made to work towards making these compass features available to non RAK & BMX160 devices. These include moving calibration routines into the MotionModule as well as determining sensor orientation as part of the calibration process. |
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Persists BMX160 sensor compass calibration data so that the user can avoid re-calibrating every time the unit is powered up.
Builds on PR #5553