32 lines
1.5 KiB
C
32 lines
1.5 KiB
C
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//=====================================================================================================
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// MadgwickAHRS.h
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//=====================================================================================================
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//
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// Implementation of Madgwick's IMU and AHRS algorithms.
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// See: http://www.x-io.co.uk/node/8#open_source_ahrs_and_imu_algorithms
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//
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// Date Author Notes
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// 29/09/2011 SOH Madgwick Initial release
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// 02/10/2011 SOH Madgwick Optimised for reduced CPU load
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//
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//=====================================================================================================
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#ifndef MadgwickAHRS_h
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#define MadgwickAHRS_h
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//----------------------------------------------------------------------------------------------------
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// Variable declaration
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extern volatile float beta; // algorithm gain
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extern volatile float q0, q1, q2, q3; // quaternion of sensor frame relative to auxiliary frame
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//---------------------------------------------------------------------------------------------------
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// Function declarations
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void MadgwickAHRSupdate(float gx, float gy, float gz, float ax, float ay, float az, float mx, float my, float mz);
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void MadgwickAHRSupdateIMU(float gx, float gy, float gz, float ax, float ay, float az);
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#endif
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//=====================================================================================================
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// End of file
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//=====================================================================================================
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