MPU-9250 with Kalman Filter
Dependencies: ADXL362-helloworld MPU9250_SPI mbed
Fork of ADXL362-helloworld by
Diff: AHRS/MadgwickAHRS.h
- Revision:
- 10:f2ef74678956
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/AHRS/MadgwickAHRS.h Wed Apr 26 07:52:10 2017 +0000 @@ -0,0 +1,31 @@ +//===================================================================================================== +// MadgwickAHRS.h +//===================================================================================================== +// +// Implementation of Madgwick's IMU and AHRS algorithms. +// See: http://www.x-io.co.uk/node/8#open_source_ahrs_and_imu_algorithms +// +// Date Author Notes +// 29/09/2011 SOH Madgwick Initial release +// 02/10/2011 SOH Madgwick Optimised for reduced CPU load +// +//===================================================================================================== +#ifndef MadgwickAHRS_h +#define MadgwickAHRS_h + +//---------------------------------------------------------------------------------------------------- +// Variable declaration + +extern volatile float beta; // algorithm gain +extern volatile float q0, q1, q2, q3; // quaternion of sensor frame relative to auxiliary frame + +//--------------------------------------------------------------------------------------------------- +// Function declarations + +void MadgwickAHRSupdate(float gx, float gy, float gz, float ax, float ay, float az, float mx, float my, float mz); +void MadgwickAHRSupdateIMU(float gx, float gy, float gz, float ax, float ay, float az); + +#endif +//===================================================================================================== +// End of file +//=====================================================================================================