aversive_10-03-12/modules/devices/control_system/filters/quadramp/quadramp.c File Reference

#include <stdio.h>
#include <string.h>
#include <math.h>
#include <aversive.h>
#include <quadramp.h>

Go to the source code of this file.

Defines
#define	NEXT(n, i)   (((n) + (i)/(n)) >> 1)
Functions
void	quadramp_init (struct quadramp_filter *q)
void	quadramp_set_2nd_order_vars (struct quadramp_filter *q, uint32_t var_2nd_ord_pos, uint32_t var_2nd_ord_neg)
void	quadramp_set_1st_order_vars (struct quadramp_filter *q, uint32_t var_1st_ord_pos, uint32_t var_1st_ord_neg)
uint8_t	quadramp_is_finished (struct quadramp_filter *q)
int32_t	quadramp_do_filter (void *data, int32_t in)

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Define Documentation

#define NEXT	(	n,
		i		)	(((n) + (i)/(n)) >> 1)

Definition at line 29 of file quadramp.c.

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Function Documentation

int32_t quadramp_do_filter	(	void *	data,
		int32_t	in
	)

Process the ramp

Parameters:

	data	should be a (struct quadramp_filter *) pointer
	in	is the input of the filter

Definition at line 75 of file quadramp.c.

References quadramp_filter::previous_in, quadramp_filter::previous_out, quadramp_filter::previous_var, quadramp_filter::var_1st_ord_neg, quadramp_filter::var_1st_ord_pos, quadramp_filter::var_2nd_ord_neg, and quadramp_filter::var_2nd_ord_pos.

void quadramp_init

(

struct quadramp_filter *

q

)

Initialization of the filter

Definition at line 31 of file quadramp.c.

References IRQ_LOCK, and IRQ_UNLOCK.

uint8_t quadramp_is_finished

(

struct quadramp_filter *

q

)

Return 1 when (filter_input == filter_output && 1st_ord variation is 0 --speed is 0-- ).

Definition at line 62 of file quadramp.c.

References quadramp_filter::previous_in, quadramp_filter::previous_out, and quadramp_filter::previous_var.

void quadramp_set_1st_order_vars	(	struct quadramp_filter *	q,
		uint32_t	var_1st_ord_pos,
		uint32_t	var_1st_ord_neg
	)

Definition at line 50 of file quadramp.c.

References IRQ_LOCK, IRQ_UNLOCK, quadramp_filter::var_1st_ord_neg, and quadramp_filter::var_1st_ord_pos.

void quadramp_set_2nd_order_vars	(	struct quadramp_filter *	q,
		uint32_t	var_2nd_ord_pos,
		uint32_t	var_2nd_ord_neg
	)

Definition at line 39 of file quadramp.c.

References IRQ_LOCK, IRQ_UNLOCK, quadramp_filter::var_2nd_ord_neg, and quadramp_filter::var_2nd_ord_pos.