pprz_trig_int.c File Reference

Paparazzi fixed point trig functions. More...

#include "pprz_trig_int.h"
#include "pprz_algebra_int.h"

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Macros
#define	R_FRAC   14

Functions
int	pprz_trig_int_init (void)
int32_t	pprz_itrig_sin (int32_t angle)
int32_t	pprz_itrig_cos (int32_t angle)
int32_t	int32_atan2 (int32_t y, int32_t x)
int32_t	int32_atan2_2 (int32_t y, int32_t x)

Variables
PPRZ_TRIG_CONST int16_t	pprz_trig_int [6434]

Detailed Description

Paparazzi fixed point trig functions.

Definition in file pprz_trig_int.c.

Macro Definition Documentation

R_FRAC

#define R_FRAC   14

Definition at line 903 of file pprz_trig_int.c.

Function Documentation

int32_atan2()

int32_t int32_atan2	(	int32_t	y,
		int32_t	x
	)

Definition at line 905 of file pprz_trig_int.c.

References c1, c2, INT32_ANGLE_PI_4, and R_FRAC.

Referenced by rotorcraft_cam_periodic(), and stateCalcHorizontalSpeedDir_i().

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int32_atan2_2()

int32_t int32_atan2_2	(	int32_t	y,
		int32_t	x
	)

Definition at line 927 of file pprz_trig_int.c.

References ANGLE_BFP_OF_REAL, c1, c2, INT32_ANGLE_FRAC, INT32_ANGLE_PI_4, and R_FRAC.

Referenced by nav_oval().

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pprz_itrig_cos()

int32_t pprz_itrig_cos

(

int32_t

angle

)

Definition at line 894 of file pprz_trig_int.c.

References INT32_ANGLE_PI_2, and pprz_itrig_sin().

Referenced by stabilization_attitude_run().

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pprz_itrig_sin()

int32_t pprz_itrig_sin

(

int32_t

angle

)

Definition at line 865 of file pprz_trig_int.c.

References ANGLE_BFP_OF_REAL, ANGLE_FLOAT_OF_BFP, INT32_ANGLE_NORMALIZE, INT32_ANGLE_PI, INT32_ANGLE_PI_2, and pprz_trig_int.

Referenced by pprz_itrig_cos(), and stabilization_attitude_run().

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pprz_trig_int_init()

int pprz_trig_int_init

(

void

)

Definition at line 860 of file pprz_trig_int.c.

Variable Documentation

pprz_trig_int

PPRZ_TRIG_CONST int16_t pprz_trig_int[6434]

Definition at line 31 of file pprz_trig_int.c.

Referenced by pprz_itrig_sin().