foc_utils.cpp File Reference

#include "foc_utils.h"

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Functions
	__attribute__ ((weak)) float _sin(float a)
	if (abs_y > abs_x) r
	if (x< 0.0f) r = -r
float	_electricalAngle (float shaft_angle, int pole_pairs)

Variables
float *	s = a * a
float float *	c
float	x
float	abs_x = fabsf(x)
float	a = min(abs_x, abs_y) / (max(abs_x, abs_y))
float	r

Function Documentation

__attribute__()

__attribute__

(

(weak)

)

Definition at line 7 of file foc_utils.cpp.

_electricalAngle()

float _electricalAngle	(	float	shaft_angle,
		int	pole_pairs
	)

Electrical angle calculation

Parameters

shaft_angle	- shaft angle of the motor
pole_pairs	- number of pole pairs

Definition at line 83 of file foc_utils.cpp.

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if() [1/2]

if	(	abs_y	,
		abs_x
	)

if() [2/2]

if

(

)

= -r

Variable Documentation

a

float a = min(abs_x, abs_y) / (max(abs_x, abs_y))

Definition at line 59 of file foc_utils.cpp.

abs_x

float abs_x = fabsf(x)

Definition at line 57 of file foc_utils.cpp.

c

* c

Initial value:

{
  *s = _sin(a)

Definition at line 43 of file foc_utils.cpp.

r

return r

Initial value:

=
        ((-0.0464964749f * s + 0.15931422f) * s - 0.327622764f) * s * a + a

Definition at line 63 of file foc_utils.cpp.

s

float s = a * a

Definition at line 43 of file foc_utils.cpp.

x

float x

Initial value:

{
    
    float abs_y = fabsf(y)

Definition at line 54 of file foc_utils.cpp.