lis3l06al.c File Reference

#include "board.h"
#include "gpio.h"
#include "adc.h"
#include "lis3l06al.h"
#include "math.h"

Macros
#define	DEG_2_RAD(deg)   ((double)(deg)*3.14/180)

Functions
unsigned long	acc_get_m_x (void)
	Return measured value of X sensor. More...
unsigned long	acc_get_m_y (void)
	Return measured value of Y sensor. More...
unsigned long	acc_get_m_z (void)
	Return measured value of Z sensor. More...
static void	acc_get_value (volatile avr32_adc_t *adc, xyz_t *val)
void	acc_init (void)
	Initialize Accelerometer driver. Mandatory to call. More...
void	acc_update (void)
	Get accelerometer measure (3x) and process results. More...
signed long	is_acc_abs_angle_x (unsigned long abs_ang)
	Test if absolute value of X angle has reached the specified limit. More...
signed long	is_acc_abs_angle_y (unsigned long abs_ang)
	Test if absolute value of Y angle has reached the specified limit. More...
bool	is_acc_down ()
	Test if sensor have detected 'down' orientation. More...
bool	is_acc_left ()
	Test if sensor have detected 'left' orientation. More...
bool	is_acc_meuh (char stop)
	Detect a topdown to up transition. More...
bool	is_acc_right ()
	Test if sensor have detected 'right' orientation. More...
bool	is_acc_slow ()
	Test acceleration about 1g +-10%. More...
bool	is_acc_topdown ()
	Test if sensor have detected 'topdown' orientation. More...
bool	is_acc_up ()
	Test if sensor have detected 'up' orientation. More...
static int	round0 (int i, int ceil)
static void	xyz_add (xyz_t p, xyz_t q, xyz_t *r)
static void	xyz_diff (xyz_t p, xyz_t q, xyz_t *r)
static void	xyz_round0 (xyz_t p, int ceil, xyz_t *r)
static int	xyz_sumsq (xyz_t p)

Variables
avr32_acc_t	acc

#define DEG_2_RAD

(

deg

)

((double)(deg)*3.14/180)

Referenced by is_acc_abs_angle_x(), and is_acc_abs_angle_y().

static void acc_get_value ( volatile avr32_adc_t *  adc, xyz_t *  val  )

static

References ACC_SHIFT, ADC_CHANNEL_X, ADC_CHANNEL_Y, ADC_CHANNEL_Z, adc_disable(), adc_enable(), adc_get_value(), adc_start(), xyz_t::x, xyz_t::y, and xyz_t::z.

Referenced by acc_update().

static int round0 ( int  i, int  ceil  )

static

References abs.

Referenced by xyz_round0().

static void xyz_add ( xyz_t  p, xyz_t  q, xyz_t *  r  )

static

References xyz_t::x, xyz_t::y, and xyz_t::z.

Referenced by acc_update().

static void xyz_diff ( xyz_t  p, xyz_t  q, xyz_t *  r  )

static

References xyz_t::x, xyz_t::y, and xyz_t::z.

Referenced by acc_update().

static void xyz_round0 ( xyz_t  p, int  ceil, xyz_t *  r  )

static

References round0(), xyz_t::x, xyz_t::y, and xyz_t::z.

Referenced by acc_update().

static int xyz_sumsq ( xyz_t  p )

static

References xyz_t::x, xyz_t::y, and xyz_t::z.

Referenced by acc_update().

avr32_acc_t acc

Initial value:

= {
  
  .m = { .x=0 , .y=0 , .z=0 } ,

  
  .pos.left    = 0,
  .pos.right   = 0,
  .pos.up      = 0,
  .pos.down    = 0,
  .pos.topdown = 0,

  
  .k = { .x=ACC_ZERO_X , .y=ACC_ZERO_Y , .z=ACC_ZERO_Z } ,  
  .ak = { .x=0 , .y=0 , .z=0 } ,
  .ak2 = 0 ,

  
  .g = { .x=ACC_ZERO_X , .y=ACC_ZERO_Y , .z=ACC_MIN } ,  
  .ag = { .x=0 , .y=0 , .z=0 } ,
  .ag2 = 0 ,
  .s = { .x=0 , .y=0 , .z=0 } ,
  .s2 = 0
}