irc.c File Reference

#include "irc.h"

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Classes
struct	deglitcher_t
Defines
#define	DEGLITCH_MEDIAN_LEN   31
#define	DEGLITCH_PULSE_LEN   00
Typedefs
typedef uint32_t	deglitch_buf_t
typedef struct deglitcher_t	deglitcher_t
Functions
void	irc_deglitch_init (deglitcher_t *dg)
int	irc_deglitch (deglitcher_t *dg, char inp)
void	irc_init ()
	update IRC1, IRC2 deglitchers' state structs, initialize IRC1,2 as GPIO inputs
int	irc_read ()
	-!- to be called @ approx.
Variables
deglitcher_t	dg1
deglitcher_t	dg2
int32_t volatile	irc1_count = 0
int32_t volatile	irc2_count = 0

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Define Documentation

#define DEGLITCH_MEDIAN_LEN   31

#define DEGLITCH_PULSE_LEN   00

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Typedef Documentation

typedef uint32_t deglitch_buf_t

typedef struct deglitcher_t deglitcher_t

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Function Documentation

int irc_deglitch	(	deglitcher_t *	dg,
		char	inp
	)

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void irc_deglitch_init

(

deglitcher_t *

dg

)

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void irc_init

(

)

update IRC1, IRC2 deglitchers' state structs, initialize IRC1,2 as GPIO inputs

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int irc_read

(

)

-!- to be called @ approx.

100kHz fixed period -!-

read IRC1,2 inputs, deglitch signal, update irc*_count variables increments on falling edge

Returns:

r; r==0: no change, r&1: IRC1 increment, r&2: IRC2 increment

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Variable Documentation

deglitcher_t dg1

deglitcher_t dg2

int32_t volatile irc1_count = 0

int32_t volatile irc2_count = 0