mirror of https://github.com/ArduPilot/ardupilot
35 lines
848 B
C++
35 lines
848 B
C++
#include <AP_HAL/AP_HAL.h>
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#include "AP_NavEKF2.h"
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#include "AP_NavEKF2_core.h"
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#include <AP_AHRS/AP_AHRS.h>
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#include <AP_Vehicle/AP_Vehicle.h>
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#include <stdio.h>
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extern const AP_HAL::HAL& hal;
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// reset the body axis gyro bias states to zero and re-initialise the corresponding covariances
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// Assume that the calibration is performed to an accuracy of 0.5 deg/sec which will require averaging under static conditions
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// WARNING - a non-blocking calibration method must be used
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void NavEKF2_core::resetGyroBias(void)
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{
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stateStruct.gyro_bias.zero();
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zeroRows(P,9,11);
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zeroCols(P,9,11);
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P[9][9] = sq(radians(0.5f * dtIMUavg));
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P[10][10] = P[9][9];
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P[11][11] = P[9][9];
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}
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/*
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vehicle specific initial gyro bias uncertainty in deg/sec
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*/
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float NavEKF2_core::InitialGyroBiasUncertainty(void) const
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{
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return 2.5f;
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}
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