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| 1 | +#$ TITLE: AOS 3.5 Filters |
| 2 | +#$ FIRMWARE_VERSION: 2025.12 |
| 3 | +#$ CATEGORY: FILTERS |
| 4 | +#$ STATUS: COMMUNITY |
| 5 | +#$ KEYWORDS: filter, filters, aos, chris, rosser, 3.5 |
| 6 | +#$ AUTHOR: Chris Rosser |
| 7 | +#$ DESCRIPTION: Developed for the AOS 3.5 |
| 8 | +#$ DESCRIPTION: NOTE this needs bidirectional Dshot support and RPM filtering active to use. DO NOT ATEMPT TO USE WITH OUT RPM FILTERING! |
| 9 | +#$ DESCRIPTION: Follow the usual process of hover testing and safely checking out your tune before using. USE AT YOUR OWN RISK. |
| 10 | +#$ DISCUSSION: https://www.aos-rc.com |
| 11 | +#$ INCLUDE_WARNING: misc/warnings/en/rpm_filters.txt |
| 12 | +#$ INCLUDE: presets/4.5/filters/defaults.txt |
| 13 | + |
| 14 | +# -- Gyro lowpass filters -- |
| 15 | +set gyro_lpf1_dyn_min_hz = 0 |
| 16 | +set gyro_lpf1_dyn_max_hz = 0 |
| 17 | +set gyro_lpf1_static_hz = 0 |
| 18 | +set gyro_lpf2_static_hz = 1000 |
| 19 | +set simplified_gyro_filter = OFF |
| 20 | + |
| 21 | +# -- Gyro Dynamic Notches -- |
| 22 | +set dyn_notch_count = 1 |
| 23 | +set dyn_notch_q = 500 |
| 24 | +set dyn_notch_min_hz = 150 |
| 25 | + |
| 26 | +# -- RPM filtering -- |
| 27 | +set dshot_bidir = ON |
| 28 | +set rpm_filter_harmonics = 3 |
| 29 | +set rpm_filter_fade_range_hz = 50 |
| 30 | +set rpm_filter_min_hz = 100 |
| 31 | + |
| 32 | +# -- Dterm filtering -- |
| 33 | +set dterm_lpf1_dyn_min_hz = 80 |
| 34 | +set dterm_lpf1_dyn_max_hz = 110 |
| 35 | +set dterm_lpf1_type = BIQUAD |
| 36 | +set dterm_lpf2_static_hz = 0 |
| 37 | +set simplified_dterm_filter = OFF |
| 38 | + |
| 39 | +# ------ OPTIONS GO BELOW THIS LINE ------ |
| 40 | + |
| 41 | +# -- RPM Filter Weights -- |
| 42 | + |
| 43 | +#$ OPTION_GROUP BEGIN: Props |
| 44 | + #$ OPTION BEGIN (CHECKED): RPM Filter Weights for triblade props |
| 45 | + set rpm_filter_weights = 100, 0, 80 |
| 46 | + #$ OPTION END |
| 47 | + |
| 48 | + #$ OPTION BEGIN (UNCHECKED): RPM Filter Weights for other props |
| 49 | + set rpm_filter_weights = 100, 100, 100 |
| 50 | + #$ OPTION END |
| 51 | +#$ OPTION_GROUP END |
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