src/nunchuk.c File Reference

Nunchuk expansion device. More...

#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include "definitions.h"
#include "wiiuse_internal.h"
#include "dynamics.h"
#include "events.h"
#include "nunchuk.h"

Include dependency graph for nunchuk.c:

Functions
static void	nunchuk_pressed_buttons (struct nunchuk_t *nc, byte now)
	Find what buttons are pressed.
int	nunchuk_handshake (struct wiimote_t *wm, struct nunchuk_t *nc, byte *data, unsigned short len)
	Handle the handshake data from the nunchuk.
void	nunchuk_disconnected (struct nunchuk_t *nc)
	The nunchuk disconnected.
void	nunchuk_event (struct nunchuk_t *nc, byte *msg)
	Handle nunchuk event.
void	wiiuse_set_nunchuk_orient_threshold (struct wiimote_t *wm, float threshold)
	Set the orientation event threshold for the nunchuk.
void	wiiuse_set_nunchuk_accel_threshold (struct wiimote_t *wm, int threshold)
	Set the accelerometer event threshold for the nunchuk.

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Detailed Description

Nunchuk expansion device.

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Function Documentation

void nunchuk_disconnected

(

struct nunchuk_t *

nc

)

The nunchuk disconnected.

Parameters:

nc

A pointer to a nunchuk_t structure.

void nunchuk_event	(	struct nunchuk_t *	nc,
		byte *	msg
	)

Handle nunchuk event.

Parameters:

	nc	A pointer to a nunchuk_t structure.
	msg	The message specified in the event packet.

int nunchuk_handshake	(	struct wiimote_t *	wm,
		struct nunchuk_t *	nc,
		byte *	data,
		unsigned short	len
	)

Handle the handshake data from the nunchuk.

Parameters:

	nc	A pointer to a nunchuk_t structure.
	data	The data read in from the device.
	len	The length of the data block, in bytes.

Returns:

Returns 1 if handshake was successful, 0 if not.

static void nunchuk_pressed_buttons	(	struct nunchuk_t *	nc,
		byte	now
	)			[static]

Find what buttons are pressed.

Parameters:

	nc	Pointer to a nunchuk_t structure.
	msg	The message byte specified in the event packet.

void wiiuse_set_nunchuk_accel_threshold	(	struct wiimote_t *	wm,
		int	threshold
	)

Set the accelerometer event threshold for the nunchuk.

Parameters:

	wm	Pointer to a wiimote_t structure with a nunchuk attached.
	threshold	The decimal place that should be considered a significant change.

See wiiuse_set_orient_threshold() for details.

void wiiuse_set_nunchuk_orient_threshold	(	struct wiimote_t *	wm,
		float	threshold
	)

Set the orientation event threshold for the nunchuk.

Parameters:

	wm	Pointer to a wiimote_t structure with a nunchuk attached.
	threshold	The decimal place that should be considered a significant change.

See wiiuse_set_orient_threshold() for details.

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