ardupilot/libraries/APM_Compass/APM_Compass.h

89 lines
4.5 KiB
C++

#ifndef APM_Compass_h
#define APM_Compass_h
#include "../AP_Math/AP_Math.h"
// Rotation matrices
#define ROTATION_NONE Matrix3f(1, 0, 0, 0, 1, 0, 0 ,0, 1)
#define ROTATION_YAW_45 Matrix3f(0.70710678, -0.70710678, 0, 0.70710678, 0.70710678, 0, 0, 0, 1)
#define ROTATION_YAW_90 Matrix3f(0, -1, 0, 1, 0, 0, 0, 0, 1)
#define ROTATION_YAW_135 Matrix3f(-0.70710678, -0.70710678, 0, 0.70710678, -0.70710678, 0, 0, 0, 1)
#define ROTATION_YAW_180 Matrix3f(-1, 0, 0, 0, -1, 0, 0, 0, 1)
#define ROTATION_YAW_225 Matrix3f(-0.70710678, 0.70710678, 0, -0.70710678, -0.70710678, 0, 0, 0, 1)
#define ROTATION_YAW_270 Matrix3f(0, 1, 0, -1, 0, 0, 0, 0, 1)
#define ROTATION_YAW_315 Matrix3f(0.70710678, 0.70710678, 0, -0.70710678, 0.70710678, 0, 0, 0, 1)
#define ROTATION_ROLL_180 Matrix3f(1, 0, 0, 0, -1, 0, 0, 0, -1)
#define ROTATION_ROLL_180_YAW_45 Matrix3f(0.70710678, 0.70710678, 0, 0.70710678, -0.70710678, 0, 0, 0, -1)
#define ROTATION_ROLL_180_YAW_90 Matrix3f(0, 1, 0, 1, 0, 0, 0, 0, -1)
#define ROTATION_ROLL_180_YAW_135 Matrix3f(-0.70710678, 0.70710678, 0, 0.70710678, 0.70710678, 0, 0, 0, -1)
#define ROTATION_PITCH_180 Matrix3f(-1, 0, 0, 0, 1, 0, 0, 0, -1)
#define ROTATION_ROLL_180_YAW_225 Matrix3f(-0.70710678, -0.70710678, 0, -0.70710678, 0.70710678, 0, 0, 0, -1)
#define ROTATION_ROLL_180_YAW_270 Matrix3f(0, -1, 0, -1, 0, 0, 0, 0, -1)
#define ROTATION_ROLL_180_YAW_315 Matrix3f(0.70710678, -0.70710678, 0, -0.70710678, -0.70710678, 0, 0, 0, -1)
// orientations for DIYDrones magnetometer
#define APM_COMPASS_COMPONENTS_UP_PINS_FORWARD ROTATION_NONE
#define APM_COMPASS_COMPONENTS_UP_PINS_FORWARD_RIGHT ROTATION_YAW_45
#define APM_COMPASS_COMPONENTS_UP_PINS_RIGHT ROTATION_YAW_90
#define APM_COMPASS_COMPONENTS_UP_PINS_BACK_RIGHT ROTATION_YAW_135
#define APM_COMPASS_COMPONENTS_UP_PINS_BACK ROTATION_YAW_180
#define APM_COMPASS_COMPONENTS_UP_PINS_BACK_LEFT ROTATION_YAW_225
#define APM_COMPASS_COMPONENTS_UP_PINS_LEFT ROTATION_YAW_270
#define APM_COMPASS_COMPONENTS_UP_PINS_FORWARD_LEFT ROTATION_YAW_315
#define APM_COMPASS_COMPONENTS_DOWN_PINS_FORWARD ROTATION_ROLL_180
#define APM_COMPASS_COMPONENTS_DOWN_PINS_FORWARD_RIGHT ROTATION_ROLL_180_YAW_45
#define APM_COMPASS_COMPONENTS_DOWN_PINS_RIGHT ROTATION_ROLL_180_YAW_90
#define APM_COMPASS_COMPONENTS_DOWN_PINS_BACK_RIGHT ROTATION_ROLL_180_YAW_135
#define APM_COMPASS_COMPONENTS_DOWN_PINS_BACK ROTATION_PITCH_180
#define APM_COMPASS_COMPONENTS_DOWN_PINS_BACK_LEFT ROTATION_ROLL_180_YAW_225
#define APM_COMPASS_COMPONENTS_DOWN_PINS_LEFT ROTATION_ROLL_180_YAW_270
#define APM_COMPASS_COMPONENTS_DOWN_PINS_FORWARD_LEFT ROTATION_ROLL_180_YAW_315
// orientations for Sparkfun magnetometer
#define APM_COMPASS_SPARKFUN_COMPONENTS_UP_PINS_FORWARD ROTATION_YAW_270
#define APM_COMPASS_SPARKFUN_COMPONENTS_UP_PINS_FORWARD_RIGHT ROTATION_YAW_315
#define APM_COMPASS_SPARKFUN_COMPONENTS_UP_PINS_RIGHT ROTATION_NONE
#define APM_COMPASS_SPARKFUN_COMPONENTS_UP_PINS_BACK_RIGHT ROTATION_YAW_45
#define APM_COMPASS_SPARKFUN_COMPONENTS_UP_PINS_BACK ROTATION_YAW_90
#define APM_COMPASS_SPARKFUN_COMPONENTS_UP_PINS_BACK_LEFT ROTATION_YAW_135
#define APM_COMPASS_SPARKFUN_COMPONENTS_UP_PINS_LEFT ROTATION_YAW_180
#define APM_COMPASS_SPARKFUN_COMPONENTS_UP_PINS_FORWARD_LEFT ROTATION_YAW_225
#define APM_COMPASS_SPARKFUN_COMPONENTS_DOWN_PINS_FORWARD ROTATION_ROLL_180_YAW_90
#define APM_COMPASS_SPARKFUN_COMPONENTS_DOWN_PINS_FORWARD_RIGHT ROTATION_ROLL_180_YAW_135
#define APM_COMPASS_SPARKFUN_COMPONENTS_DOWN_PINS_RIGHT ROTATION_PITCH_180
#define APM_COMPASS_SPARKFUN_COMPONENTS_DOWN_PINS_BACK_RIGHT ROTATION_ROLL_180_YAW_225
#define APM_COMPASS_SPARKFUN_COMPONENTS_DOWN_PINS_BACK ROTATION_ROLL_180_YAW_270
#define APM_COMPASS_SPARKFUN_COMPONENTS_DOWN_PINS_BACK_LEFT ROTATION_ROLL_180_YAW_315
#define APM_COMPASS_SPARKFUN_COMPONENTS_DOWN_PINS_LEFT ROTATION_ROLL_180
#define APM_COMPASS_SPARKFUN_COMPONENTS_DOWN_PINS_FORWARD_LEFT ROTATION_ROLL_180_YAW_45
class APM_Compass_Class
{
private:
int orientation;
Matrix3f orientationMatrix;
float calibration[3];
int offset[3];
float declination;
public:
int Mag_X;
int Mag_Y;
int Mag_Z;
float Heading;
float Heading_X;
float Heading_Y;
unsigned long lastUpdate;
APM_Compass_Class(); // Constructor
bool Init();
void Read();
void Calculate(float roll, float pitch);
void SetOrientation(const Matrix3f &rotationMatrix);
void SetOffsets(int x, int y, int z);
void SetDeclination(float radians);
};
extern APM_Compass_Class APM_Compass;
#endif