mirror of https://github.com/ArduPilot/ardupilot
AP_InertialSensor: support two full harmonic notch filters
This commit is contained in:
Andrew Tridgell
parent
54a5bd007d
commit
25d00e433e
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@ -548,11 +548,13 @@ const AP_Param::GroupInfo AP_InertialSensor::var_info[] = {
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// @Group: HNTCH_
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// @Path: ../Filter/HarmonicNotchFilter.cpp
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AP_SUBGROUPINFO(_harmonic_notch_filter, "HNTCH_", 41, AP_InertialSensor, HarmonicNotchFilterParams),
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AP_SUBGROUPINFO(_harmonic_notch_filter[0], "HNTCH_", 41, AP_InertialSensor, HarmonicNotchFilterParams),
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#if HAL_INS_NUM_HARMONIC_NOTCH_FILTERS > 1
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// @Group: HNTC2_
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// @Path: ../Filter/HarmonicNotchFilter.cpp
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AP_SUBGROUPINFO(_notch_filter, "HNTC2_", 53, AP_InertialSensor, HarmonicNotchFilterParams),
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AP_SUBGROUPINFO(_harmonic_notch_filter[1], "HNTC2_", 53, AP_InertialSensor, HarmonicNotchFilterParams),
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#endif
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// @Param: GYRO_RATE
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// @DisplayName: Gyro rate for IMUs with Fast Sampling enabled
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@ -874,45 +876,44 @@ AP_InertialSensor::init(uint16_t loop_rate)
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// the center frequency of the harmonic notch is always taken from the calculated value so that it can be updated
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// dynamically, the calculated value is always some multiple of the configured center frequency, so start with the
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// configured value
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_calculated_harmonic_notch_freq_hz[0] = _harmonic_notch_filter.center_freq_hz();
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_num_calculated_harmonic_notch_frequencies = 1;
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_num_dynamic_harmonic_notches = 1;
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uint8_t num_filters = 0;
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const bool double_notch = _harmonic_notch_filter.hasOption(HarmonicNotchFilterParams::Options::DoubleNotch);
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bool double_notch[HAL_INS_NUM_HARMONIC_NOTCH_FILTERS] {};
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for (uint8_t i=0; i<HAL_INS_NUM_HARMONIC_NOTCH_FILTERS; i++) {
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_calculated_harmonic_notch_freq_hz[i][0] = _harmonic_notch_filter[i].center_freq_hz();
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_num_calculated_harmonic_notch_frequencies[i] = 1;
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_num_dynamic_harmonic_notches[i] = 1;
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double_notch[i] = _harmonic_notch_filter[i].hasOption(HarmonicNotchFilterParams::Options::DoubleNotch);
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#if APM_BUILD_COPTER_OR_HELI || APM_BUILD_TYPE(APM_BUILD_ArduPlane)
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if (_harmonic_notch_filter.hasOption(HarmonicNotchFilterParams::Options::DynamicHarmonic)) {
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if (_harmonic_notch_filter[i].hasOption(HarmonicNotchFilterParams::Options::DynamicHarmonic)) {
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#if HAL_WITH_DSP
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if (get_gyro_harmonic_notch_tracking_mode() == HarmonicNotchDynamicMode::UpdateGyroFFT) {
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_num_dynamic_harmonic_notches = AP_HAL::DSP::MAX_TRACKED_PEAKS; // only 3 peaks supported currently
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if (get_gyro_harmonic_notch_tracking_mode(i) == HarmonicNotchDynamicMode::UpdateGyroFFT) {
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_num_dynamic_harmonic_notches[i] = AP_HAL::DSP::MAX_TRACKED_PEAKS; // only 3 peaks supported currently
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} else
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#endif
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{
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AP_Motors *motors = AP::motors();
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_num_dynamic_harmonic_notches = __builtin_popcount(motors->get_motor_mask());
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if (motors != nullptr) {
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_num_dynamic_harmonic_notches[i] = __builtin_popcount(motors->get_motor_mask());
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}
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}
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// avoid harmonics unless actually configured by the user
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_harmonic_notch_filter.set_default_harmonics(1);
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_harmonic_notch_filter[i].set_default_harmonics(1);
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}
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#endif
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}
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// count number of used sensors
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uint8_t sensors_used = 0;
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for (uint8_t i = 0; i < INS_MAX_INSTANCES; i++) {
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sensors_used += _use[i];
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}
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for (uint8_t i=0; i<HAL_INS_NUM_HARMONIC_NOTCH_FILTERS; i++) {
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// calculate number of notches we might want to use for harmonic notch
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if (_harmonic_notch_filter.enabled()) {
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num_filters = __builtin_popcount( _harmonic_notch_filter.harmonics())
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* _num_dynamic_harmonic_notches * (double_notch ? 2 : 1)
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if (_harmonic_notch_filter[i].enabled()) {
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num_filters += __builtin_popcount( _harmonic_notch_filter[i].harmonics())
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* _num_dynamic_harmonic_notches[i] * (double_notch[i] ? 2 : 1)
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* sensors_used;
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}
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// add filters used by static notch
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if (_notch_filter.enabled()) {
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_notch_filter.set_default_harmonics(1);
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num_filters += __builtin_popcount(_notch_filter.harmonics())
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* (_notch_filter.hasOption(HarmonicNotchFilterParams::Options::DoubleNotch) ? 2 : 1)
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* sensors_used;
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}
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if (num_filters > HAL_HNF_MAX_FILTERS) {
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@ -923,18 +924,14 @@ AP_InertialSensor::init(uint16_t loop_rate)
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for (uint8_t i=0; i<get_gyro_count(); i++) {
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// only allocate notches for IMUs in use
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if (_use[i]) {
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if (_harmonic_notch_filter.enabled()) {
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_gyro_harmonic_notch_filter[i].allocate_filters(_num_dynamic_harmonic_notches,
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_harmonic_notch_filter.harmonics(), double_notch);
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for (uint8_t j=0; j<HAL_INS_NUM_HARMONIC_NOTCH_FILTERS; j++) {
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if (_harmonic_notch_filter[j].enabled()) {
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_gyro_harmonic_notch_filter[j][i].allocate_filters(_num_dynamic_harmonic_notches[j],
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_harmonic_notch_filter[j].harmonics(), double_notch[j]);
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// initialise default settings, these will be subsequently changed in AP_InertialSensor_Backend::update_gyro()
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_gyro_harmonic_notch_filter[i].init(_gyro_raw_sample_rates[i], _calculated_harmonic_notch_freq_hz[0],
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_harmonic_notch_filter.bandwidth_hz(), _harmonic_notch_filter.attenuation_dB());
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_gyro_harmonic_notch_filter[j][i].init(_gyro_raw_sample_rates[i], _calculated_harmonic_notch_freq_hz[j][0],
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_harmonic_notch_filter[j].bandwidth_hz(), _harmonic_notch_filter[j].attenuation_dB());
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}
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if (_notch_filter.enabled()) {
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_gyro_notch_filter[i].allocate_filters(1, _notch_filter.harmonics(),
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_notch_filter.hasOption(HarmonicNotchFilterParams::Options::DoubleNotch));
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_gyro_notch_filter[i].init(_gyro_raw_sample_rates[i], _notch_filter.center_freq_hz(),
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_notch_filter.bandwidth_hz(), _notch_filter.attenuation_dB());
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}
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}
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}
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@ -2007,24 +2004,30 @@ void AP_InertialSensor::acal_update()
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}
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// Update the harmonic notch frequency
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void AP_InertialSensor::update_harmonic_notch_freq_hz(float scaled_freq) {
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void AP_InertialSensor::update_harmonic_notch_freq_hz(uint8_t idx, float scaled_freq) {
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if (idx >= HAL_INS_NUM_HARMONIC_NOTCH_FILTERS) {
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return;
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}
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// protect against zero as the scaled frequency
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if (is_positive(scaled_freq)) {
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_calculated_harmonic_notch_freq_hz[0] = scaled_freq;
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_calculated_harmonic_notch_freq_hz[idx][0] = scaled_freq;
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}
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_num_calculated_harmonic_notch_frequencies = 1;
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_num_calculated_harmonic_notch_frequencies[idx] = 1;
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}
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// Update the harmonic notch frequency
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void AP_InertialSensor::update_harmonic_notch_frequencies_hz(uint8_t num_freqs, const float scaled_freq[]) {
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void AP_InertialSensor::update_harmonic_notch_frequencies_hz(uint8_t idx, uint8_t num_freqs, const float scaled_freq[]) {
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if (idx >= HAL_INS_NUM_HARMONIC_NOTCH_FILTERS) {
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return;
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}
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// protect against zero as the scaled frequency
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for (uint8_t i = 0; i < num_freqs; i++) {
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if (is_positive(scaled_freq[i])) {
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_calculated_harmonic_notch_freq_hz[i] = scaled_freq[i];
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_calculated_harmonic_notch_freq_hz[idx][i] = scaled_freq[i];
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}
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}
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// any uncalculated frequencies will float at the previous value or the initialized freq if none
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_num_calculated_harmonic_notch_frequencies = num_freqs;
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_num_calculated_harmonic_notch_frequencies[idx] = num_freqs;
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}
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/*
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@ -35,6 +35,9 @@
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#define HAL_INS_TEMPERATURE_CAL_ENABLE !HAL_MINIMIZE_FEATURES && BOARD_FLASH_SIZE > 1024
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#endif
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#ifndef HAL_INS_NUM_HARMONIC_NOTCH_FILTERS
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#define HAL_INS_NUM_HARMONIC_NOTCH_FILTERS 2
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#endif
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#include <stdint.h>
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@ -241,9 +244,9 @@ public:
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uint8_t get_primary_gyro(void) const { return _primary_gyro; }
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// Update the harmonic notch frequency
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void update_harmonic_notch_freq_hz(float scaled_freq);
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void update_harmonic_notch_freq_hz(uint8_t idx, float scaled_freq);
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// Update the harmonic notch frequencies
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void update_harmonic_notch_frequencies_hz(uint8_t num_freqs, const float scaled_freq[]);
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void update_harmonic_notch_frequencies_hz(uint8_t idx, uint8_t num_freqs, const float scaled_freq[]);
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// get the gyro filter rate in Hz
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uint16_t get_gyro_filter_hz(void) const { return _gyro_filter_cutoff; }
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@ -252,32 +255,32 @@ public:
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uint16_t get_accel_filter_hz(void) const { return _accel_filter_cutoff; }
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// harmonic notch current center frequency
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float get_gyro_dynamic_notch_center_freq_hz(void) const { return _calculated_harmonic_notch_freq_hz[0]; }
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float get_gyro_dynamic_notch_center_freq_hz(uint8_t idx) const { return idx<HAL_INS_NUM_HARMONIC_NOTCH_FILTERS?_calculated_harmonic_notch_freq_hz[idx][0]:0; }
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// number of dynamic harmonic notches
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uint8_t get_num_gyro_dynamic_notches(void) const { return _num_dynamic_harmonic_notches; }
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uint8_t get_num_gyro_dynamic_notches(uint8_t idx) const { return idx<HAL_INS_NUM_HARMONIC_NOTCH_FILTERS?_num_dynamic_harmonic_notches[idx]:0; }
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// set of harmonic notch current center frequencies
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const float* get_gyro_dynamic_notch_center_frequencies_hz(void) const { return _calculated_harmonic_notch_freq_hz; }
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const float* get_gyro_dynamic_notch_center_frequencies_hz(uint8_t idx) const { return idx<HAL_INS_NUM_HARMONIC_NOTCH_FILTERS?_calculated_harmonic_notch_freq_hz[idx]:nullptr; }
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// number of harmonic notch current center frequencies
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uint8_t get_num_gyro_dynamic_notch_center_frequencies(void) const { return _num_calculated_harmonic_notch_frequencies; }
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uint8_t get_num_gyro_dynamic_notch_center_frequencies(uint8_t idx) const { return idx<HAL_INS_NUM_HARMONIC_NOTCH_FILTERS?_num_calculated_harmonic_notch_frequencies[idx]:0; }
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// harmonic notch reference center frequency
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float get_gyro_harmonic_notch_center_freq_hz(void) const { return _harmonic_notch_filter.center_freq_hz(); }
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float get_gyro_harmonic_notch_center_freq_hz(uint8_t idx) const { return idx<HAL_INS_NUM_HARMONIC_NOTCH_FILTERS?_harmonic_notch_filter[idx].center_freq_hz():0; }
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// harmonic notch reference scale factor
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float get_gyro_harmonic_notch_reference(void) const { return _harmonic_notch_filter.reference(); }
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float get_gyro_harmonic_notch_reference(uint8_t idx) const { return idx<HAL_INS_NUM_HARMONIC_NOTCH_FILTERS?_harmonic_notch_filter[idx].reference():0; }
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// harmonic notch tracking mode
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HarmonicNotchDynamicMode get_gyro_harmonic_notch_tracking_mode(void) const { return _harmonic_notch_filter.tracking_mode(); }
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HarmonicNotchDynamicMode get_gyro_harmonic_notch_tracking_mode(uint8_t idx) const { return idx<HAL_INS_NUM_HARMONIC_NOTCH_FILTERS?_harmonic_notch_filter[idx].tracking_mode():HarmonicNotchDynamicMode::Fixed; }
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// harmonic notch harmonics
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uint8_t get_gyro_harmonic_notch_harmonics(void) const { return _harmonic_notch_filter.harmonics(); }
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uint8_t get_gyro_harmonic_notch_harmonics(uint8_t idx) const { return idx<HAL_INS_NUM_HARMONIC_NOTCH_FILTERS?_harmonic_notch_filter[idx].harmonics():0; }
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// harmonic notch options
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bool has_harmonic_option(HarmonicNotchFilterParams::Options option) {
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return _harmonic_notch_filter.hasOption(option);
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bool has_harmonic_option(uint8_t idx, HarmonicNotchFilterParams::Options option) {
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return idx<HAL_INS_NUM_HARMONIC_NOTCH_FILTERS?_harmonic_notch_filter[idx].hasOption(option):false;
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}
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// write out harmonic notch log messages
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@ -307,7 +310,7 @@ public:
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bool gyro_notch_enabled(void) const { return _notch_filter.enabled(); }
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// return true if harmonic notch enabled
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bool gyro_harmonic_notch_enabled(void) const { return _harmonic_notch_filter.enabled(); }
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bool gyro_harmonic_notch_enabled(uint8_t idx) const { return idx<HAL_INS_NUM_HARMONIC_NOTCH_FILTERS?_harmonic_notch_filter[idx].enabled():false; }
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AuxiliaryBus *get_auxiliary_bus(int16_t backend_id) { return get_auxiliary_bus(backend_id, 0); }
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AuxiliaryBus *get_auxiliary_bus(int16_t backend_id, uint8_t instance);
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@ -509,18 +512,14 @@ private:
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bool _new_accel_data[INS_MAX_INSTANCES];
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bool _new_gyro_data[INS_MAX_INSTANCES];
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// optional notch filter on gyro
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HarmonicNotchFilterParams _notch_filter;
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HarmonicNotchFilterVector3f _gyro_notch_filter[INS_MAX_INSTANCES];
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// optional harmonic notch filter on gyro
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HarmonicNotchFilterParams _harmonic_notch_filter;
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HarmonicNotchFilterVector3f _gyro_harmonic_notch_filter[INS_MAX_INSTANCES];
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HarmonicNotchFilterParams _harmonic_notch_filter[HAL_INS_NUM_HARMONIC_NOTCH_FILTERS];
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HarmonicNotchFilterVector3f _gyro_harmonic_notch_filter[HAL_INS_NUM_HARMONIC_NOTCH_FILTERS][INS_MAX_INSTANCES];
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// number of independent notches in the filter
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uint8_t _num_dynamic_harmonic_notches;
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uint8_t _num_dynamic_harmonic_notches[HAL_INS_NUM_HARMONIC_NOTCH_FILTERS];
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// the current center frequency for the notch
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float _calculated_harmonic_notch_freq_hz[INS_MAX_NOTCHES];
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uint8_t _num_calculated_harmonic_notch_frequencies;
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float _calculated_harmonic_notch_freq_hz[HAL_INS_NUM_HARMONIC_NOTCH_FILTERS][INS_MAX_NOTCHES];
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uint8_t _num_calculated_harmonic_notch_frequencies[HAL_INS_NUM_HARMONIC_NOTCH_FILTERS];
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// Most recent gyro reading
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Vector3f _gyro[INS_MAX_INSTANCES];
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@ -274,14 +274,11 @@ void AP_InertialSensor_Backend::_notify_new_gyro_raw_sample(uint8_t instance,
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#endif
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Vector3f gyro_filtered = gyro;
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// apply the notch filter
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if (_gyro_notch_enabled()) {
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gyro_filtered = _imu._gyro_notch_filter[instance].apply(gyro_filtered);
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}
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// apply the harmonic notch filter
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if (gyro_harmonic_notch_enabled()) {
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gyro_filtered = _imu._gyro_harmonic_notch_filter[instance].apply(gyro_filtered);
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for (uint8_t i=0; i<HAL_INS_NUM_HARMONIC_NOTCH_FILTERS; i++) {
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if (gyro_harmonic_notch_enabled(i)) {
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gyro_filtered = _imu._gyro_harmonic_notch_filter[i][instance].apply(gyro_filtered);
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}
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}
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// apply the low pass filter last to attentuate any notch induced noise
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@ -290,8 +287,9 @@ void AP_InertialSensor_Backend::_notify_new_gyro_raw_sample(uint8_t instance,
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// if the filtering failed in any way then reset the filters and keep the old value
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if (gyro_filtered.is_nan() || gyro_filtered.is_inf()) {
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_imu._gyro_filter[instance].reset();
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_imu._gyro_notch_filter[instance].reset();
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_imu._gyro_harmonic_notch_filter[instance].reset();
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for (uint8_t i=0; i<HAL_INS_NUM_HARMONIC_NOTCH_FILTERS; i++) {
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_imu._gyro_harmonic_notch_filter[i][instance].reset();
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}
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} else {
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_imu._gyro_filtered[instance] = gyro_filtered;
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}
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@ -395,14 +393,11 @@ void AP_InertialSensor_Backend::_notify_new_delta_angle(uint8_t instance, const
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#endif
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Vector3f gyro_filtered = gyro;
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// apply the notch filter
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if (_gyro_notch_enabled()) {
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gyro_filtered = _imu._gyro_notch_filter[instance].apply(gyro_filtered);
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// apply the harmonic notch filters
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for (uint8_t i=0; i<HAL_INS_NUM_HARMONIC_NOTCH_FILTERS; i++) {
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if (gyro_harmonic_notch_enabled(i)) {
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gyro_filtered = _imu._gyro_harmonic_notch_filter[i][instance].apply(gyro_filtered);
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}
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// apply the harmonic notch filter
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if (gyro_harmonic_notch_enabled()) {
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gyro_filtered = _imu._gyro_harmonic_notch_filter[instance].apply(gyro_filtered);
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}
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// apply the low pass filter last to attentuate any notch induced noise
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@ -411,8 +406,9 @@ void AP_InertialSensor_Backend::_notify_new_delta_angle(uint8_t instance, const
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// if the filtering failed in any way then reset the filters and keep the old value
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if (gyro_filtered.is_nan() || gyro_filtered.is_inf()) {
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_imu._gyro_filter[instance].reset();
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_imu._gyro_notch_filter[instance].reset();
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_imu._gyro_harmonic_notch_filter[instance].reset();
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for (uint8_t i=0; i<HAL_INS_NUM_HARMONIC_NOTCH_FILTERS; i++) {
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_imu._gyro_harmonic_notch_filter[i][instance].reset();
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}
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} else {
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_imu._gyro_filtered[instance] = gyro_filtered;
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}
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@ -734,30 +730,25 @@ void AP_InertialSensor_Backend::update_gyro(uint8_t instance) /* front end */
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}
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// possily update the harmonic notch filter parameters
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if (!is_equal(_last_harmonic_notch_bandwidth_hz, gyro_harmonic_notch_bandwidth_hz()) ||
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!is_equal(_last_harmonic_notch_attenuation_dB, gyro_harmonic_notch_attenuation_dB()) ||
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for (uint8_t i=0; i<HAL_INS_NUM_HARMONIC_NOTCH_FILTERS; i++) {
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if (!is_equal(_last_harmonic_notch_bandwidth_hz[i], gyro_harmonic_notch_bandwidth_hz(i)) ||
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!is_equal(_last_harmonic_notch_attenuation_dB[i], gyro_harmonic_notch_attenuation_dB(i)) ||
|
||||
sensors_converging()) {
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||||
_imu._gyro_harmonic_notch_filter[instance].init(_gyro_raw_sample_rate(instance), gyro_harmonic_notch_center_freq_hz(), gyro_harmonic_notch_bandwidth_hz(), gyro_harmonic_notch_attenuation_dB());
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_last_harmonic_notch_center_freq_hz = gyro_harmonic_notch_center_freq_hz();
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_last_harmonic_notch_bandwidth_hz = gyro_harmonic_notch_bandwidth_hz();
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_last_harmonic_notch_attenuation_dB = gyro_harmonic_notch_attenuation_dB();
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} else if (!is_equal(_last_harmonic_notch_center_freq_hz, gyro_harmonic_notch_center_freq_hz())) {
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if (num_gyro_harmonic_notch_center_frequencies() > 1) {
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_imu._gyro_harmonic_notch_filter[instance].update(num_gyro_harmonic_notch_center_frequencies(), gyro_harmonic_notch_center_frequencies_hz());
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_imu._gyro_harmonic_notch_filter[i][instance].init(_gyro_raw_sample_rate(instance),
|
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gyro_harmonic_notch_center_freq_hz(i),
|
||||
gyro_harmonic_notch_bandwidth_hz(i),
|
||||
gyro_harmonic_notch_attenuation_dB(i));
|
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_last_harmonic_notch_center_freq_hz[i] = gyro_harmonic_notch_center_freq_hz(i);
|
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_last_harmonic_notch_bandwidth_hz[i] = gyro_harmonic_notch_bandwidth_hz(i);
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||||
_last_harmonic_notch_attenuation_dB[i] = gyro_harmonic_notch_attenuation_dB(i);
|
||||
} else if (!is_equal(_last_harmonic_notch_center_freq_hz[i], gyro_harmonic_notch_center_freq_hz(i))) {
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if (num_gyro_harmonic_notch_center_frequencies(i) > 1) {
|
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_imu._gyro_harmonic_notch_filter[i][instance].update(num_gyro_harmonic_notch_center_frequencies(i), gyro_harmonic_notch_center_frequencies_hz(i));
|
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} else {
|
||||
_imu._gyro_harmonic_notch_filter[instance].update(gyro_harmonic_notch_center_freq_hz());
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_imu._gyro_harmonic_notch_filter[i][instance].update(gyro_harmonic_notch_center_freq_hz(i));
|
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}
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_last_harmonic_notch_center_freq_hz = gyro_harmonic_notch_center_freq_hz();
|
||||
_last_harmonic_notch_center_freq_hz[i] = gyro_harmonic_notch_center_freq_hz(i);
|
||||
}
|
||||
// possily update the notch filter parameters
|
||||
if (!is_equal(_last_notch_center_freq_hz, _gyro_notch_center_freq_hz()) ||
|
||||
!is_equal(_last_notch_bandwidth_hz, _gyro_notch_bandwidth_hz()) ||
|
||||
!is_equal(_last_notch_attenuation_dB, _gyro_notch_attenuation_dB()) ||
|
||||
sensors_converging()) {
|
||||
_imu._gyro_notch_filter[instance].init(_gyro_raw_sample_rate(instance), _gyro_notch_center_freq_hz(), _gyro_notch_bandwidth_hz(), _gyro_notch_attenuation_dB());
|
||||
_last_notch_center_freq_hz = _gyro_notch_center_freq_hz();
|
||||
_last_notch_bandwidth_hz = _gyro_notch_bandwidth_hz();
|
||||
_last_notch_attenuation_dB = _gyro_notch_attenuation_dB();
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -257,33 +257,22 @@ protected:
|
|||
return (uint16_t)_imu._loop_rate;
|
||||
}
|
||||
|
||||
// return the notch filter center in Hz for the sample rate
|
||||
float _gyro_notch_center_freq_hz(void) const { return _imu._notch_filter.center_freq_hz(); }
|
||||
|
||||
// return the notch filter bandwidth in Hz for the sample rate
|
||||
float _gyro_notch_bandwidth_hz(void) const { return _imu._notch_filter.bandwidth_hz(); }
|
||||
|
||||
// return the notch filter attenuation in dB for the sample rate
|
||||
float _gyro_notch_attenuation_dB(void) const { return _imu._notch_filter.attenuation_dB(); }
|
||||
|
||||
bool _gyro_notch_enabled(void) const { return _imu._notch_filter.enabled(); }
|
||||
|
||||
// return the harmonic notch filter center in Hz for the sample rate
|
||||
float gyro_harmonic_notch_center_freq_hz() const { return _imu.get_gyro_dynamic_notch_center_freq_hz(); }
|
||||
float gyro_harmonic_notch_center_freq_hz(uint8_t idx) const { return idx<HAL_INS_NUM_HARMONIC_NOTCH_FILTERS?_imu.get_gyro_dynamic_notch_center_freq_hz(idx):0; }
|
||||
|
||||
// set of harmonic notch current center frequencies
|
||||
const float* gyro_harmonic_notch_center_frequencies_hz(void) const { return _imu.get_gyro_dynamic_notch_center_frequencies_hz(); }
|
||||
const float* gyro_harmonic_notch_center_frequencies_hz(uint8_t idx) const { return idx<HAL_INS_NUM_HARMONIC_NOTCH_FILTERS?_imu.get_gyro_dynamic_notch_center_frequencies_hz(idx):nullptr; }
|
||||
|
||||
// number of harmonic notch current center frequencies
|
||||
uint8_t num_gyro_harmonic_notch_center_frequencies(void) const { return _imu.get_num_gyro_dynamic_notch_center_frequencies(); }
|
||||
uint8_t num_gyro_harmonic_notch_center_frequencies(uint8_t idx) const { return idx<HAL_INS_NUM_HARMONIC_NOTCH_FILTERS?_imu.get_num_gyro_dynamic_notch_center_frequencies(idx):0; }
|
||||
|
||||
// return the harmonic notch filter bandwidth in Hz for the sample rate
|
||||
float gyro_harmonic_notch_bandwidth_hz(void) const { return _imu._harmonic_notch_filter.bandwidth_hz(); }
|
||||
float gyro_harmonic_notch_bandwidth_hz(uint8_t idx) const { return idx<HAL_INS_NUM_HARMONIC_NOTCH_FILTERS?_imu._harmonic_notch_filter[idx].bandwidth_hz():0; }
|
||||
|
||||
// return the harmonic notch filter attenuation in dB for the sample rate
|
||||
float gyro_harmonic_notch_attenuation_dB(void) const { return _imu._harmonic_notch_filter.attenuation_dB(); }
|
||||
float gyro_harmonic_notch_attenuation_dB(uint8_t idx) const { return idx<HAL_INS_NUM_HARMONIC_NOTCH_FILTERS?_imu._harmonic_notch_filter[idx].attenuation_dB():0; }
|
||||
|
||||
bool gyro_harmonic_notch_enabled(void) const { return _imu._harmonic_notch_filter.enabled(); }
|
||||
bool gyro_harmonic_notch_enabled(uint8_t idx) const { return idx<HAL_INS_NUM_HARMONIC_NOTCH_FILTERS?_imu._harmonic_notch_filter[idx].enabled():false; }
|
||||
|
||||
// common gyro update function for all backends
|
||||
void update_gyro(uint8_t instance) __RAMFUNC__; /* front end */
|
||||
|
|
@ -294,14 +283,11 @@ protected:
|
|||
// support for updating filter at runtime
|
||||
uint16_t _last_accel_filter_hz;
|
||||
uint16_t _last_gyro_filter_hz;
|
||||
float _last_notch_center_freq_hz;
|
||||
float _last_notch_bandwidth_hz;
|
||||
float _last_notch_attenuation_dB;
|
||||
|
||||
// support for updating harmonic filter at runtime
|
||||
float _last_harmonic_notch_center_freq_hz;
|
||||
float _last_harmonic_notch_bandwidth_hz;
|
||||
float _last_harmonic_notch_attenuation_dB;
|
||||
float _last_harmonic_notch_center_freq_hz[HAL_INS_NUM_HARMONIC_NOTCH_FILTERS];
|
||||
float _last_harmonic_notch_bandwidth_hz[HAL_INS_NUM_HARMONIC_NOTCH_FILTERS];
|
||||
float _last_harmonic_notch_attenuation_dB[HAL_INS_NUM_HARMONIC_NOTCH_FILTERS];
|
||||
|
||||
void set_gyro_orientation(uint8_t instance, enum Rotation rotation) {
|
||||
_imu._gyro_orientation[instance] = rotation;
|
||||
|
|
|
|||
|
|
@ -132,6 +132,7 @@ bool AP_InertialSensor::BatchSampler::Write_ISBD() const
|
|||
// @LoggerMessage: FTN
|
||||
// @Description: Filter Tuning Messages
|
||||
// @Field: TimeUS: microseconds since system startup
|
||||
// @Field: I: instance
|
||||
// @Field: NDn: number of active dynamic harmonic notches
|
||||
// @Field: NF1: dynamic harmonic notch centre frequency for motor 1
|
||||
// @Field: NF2: dynamic harmonic notch centre frequency for motor 2
|
||||
|
|
@ -147,10 +148,21 @@ bool AP_InertialSensor::BatchSampler::Write_ISBD() const
|
|||
// @Field: NF12: dynamic harmonic notch centre frequency for motor 12
|
||||
void AP_InertialSensor::write_notch_log_messages() const
|
||||
{
|
||||
const float* notches = get_gyro_dynamic_notch_center_frequencies_hz();
|
||||
for (uint8_t i=0; i<HAL_INS_NUM_HARMONIC_NOTCH_FILTERS; i++) {
|
||||
if (!gyro_harmonic_notch_enabled(i)) {
|
||||
continue;
|
||||
}
|
||||
const float* notches = get_gyro_dynamic_notch_center_frequencies_hz(i);
|
||||
if (notches == nullptr) {
|
||||
continue;
|
||||
}
|
||||
AP::logger().WriteStreaming(
|
||||
"FTN", "TimeUS,NDn,NF1,NF2,NF3,NF4,NF5,NF6,NF7,NF8,NF9,NF10,NF11,NF12", "s-zzzzzzzzzzzz", "F-------------", "QBffffffffffff", AP_HAL::micros64(), get_num_gyro_dynamic_notch_center_frequencies(),
|
||||
"FTN", "TimeUS,I,NDn,NF1,NF2,NF3,NF4,NF5,NF6,NF7,NF8,NF9,NF10,NF11,NF12", "s#-zzzzzzzzzzzz", "F--------------", "QBBffffffffffff",
|
||||
AP_HAL::micros64(),
|
||||
i,
|
||||
get_num_gyro_dynamic_notch_center_frequencies(i),
|
||||
notches[0], notches[1], notches[2], notches[3],
|
||||
notches[4], notches[5], notches[6], notches[7],
|
||||
notches[8], notches[9], notches[10], notches[11]);
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue