LNP Interface: link networking protocol. More...

#include <config.h>
#include <unistd.h>

Include dependency graph for lnp.h:

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Macros
#define	LNP_DUMMY_INTEGRITY ((lnp_integrity_handler_t)0)
	dummy integrity layer packet handler More...

#define	LNP_DUMMY_ADDRESSING ((lnp_addressing_handler_t)0)
	dummy addressing layer packet handler More...

#define	LNP_DUMMY_REMOTE ((lnp_remote_handler_t)0)
	dummy remote packet handler More...

Typedefs
typedef void(*	lnp_integrity_handler_t) (const unsigned char *, unsigned char)
	the integrity layer packet handler type More...

typedef void(*	lnp_addressing_handler_t) (const unsigned char *, unsigned char, unsigned char)
	the addressing layer packet handler type More...

typedef void(*	lnp_remote_handler_t) (unsigned int)
	handler for remote More...

Functions
void	lnp_integrity_set_handler (lnp_integrity_handler_t handler)
	set the integrity layer packet handler More...

void	lnp_addressing_set_handler (unsigned char port, lnp_addressing_handler_t handler)
	set an addressing layer packet handler for a port. More...

void	lnp_set_hostaddr (unsigned char host)
	set new LNP host address More...

void	lnp_remote_set_handler (lnp_remote_handler_t handler)
	set the remote packet handler More...

int	send_msg (unsigned char msg)
	send a standard firmware message More...

void	clear_msg (void)
	clear last message from standard firmware More...

wakeup_t	msg_received (wakeup_t m)
	wait until receive a message More...

unsigned char	get_msg (void)
	read received message from standard firmware More...

int	lnp_integrity_write (const unsigned char *data, unsigned char length)
	send a LNP integrity layer packet of given length More...

int	lnp_addressing_write (const unsigned char *data, unsigned char length, unsigned char dest, unsigned char srcport)
	send a LNP addressing layer packet of given length More...

Variables
volatile lnp_integrity_handler_t	lnp_integrity_handler
	there are no ports for integrity layer packets, so there's just More...

volatile lnp_addressing_handler_t	lnp_addressing_handler []
	addressing layer packets may be directed to a variety of ports. More...

unsigned char	lnp_hostaddr
	LNP host address. More...

lnp_remote_handler_t	lnp_remote_handler
	packets from remote have no ports More...

unsigned char	lnp_rcx_message
	message variable More...

Detailed Description

LNP Interface: link networking protocol.

Author: Markus L. Noga marku.nosp@m.s@no.nosp@m.ga.de

Definition in file lnp.h.

Macro Definition Documentation

#define LNP_DUMMY_ADDRESSING ((lnp_addressing_handler_t)0)

dummy addressing layer packet handler

Definition at line 61 of file lnp.h.

#define LNP_DUMMY_INTEGRITY ((lnp_integrity_handler_t)0)

dummy integrity layer packet handler

Definition at line 58 of file lnp.h.

#define LNP_DUMMY_REMOTE ((lnp_remote_handler_t)0)

dummy remote packet handler

Definition at line 70 of file lnp.h.

Typedef Documentation

typedef void(* lnp_addressing_handler_t) (const unsigned char *, unsigned char, unsigned char)

the addressing layer packet handler type

arguments are (data,length,src_address).

Definition at line 55 of file lnp.h.

typedef void(* lnp_integrity_handler_t) (const unsigned char *, unsigned char)

the integrity layer packet handler type

arguments are (data,length).

Definition at line 50 of file lnp.h.

typedef void(* lnp_remote_handler_t) (unsigned int)

handler for remote

arguments are (buttonstate)

Definition at line 67 of file lnp.h.

Function Documentation

void clear_msg ( void )

inline

clear last message from standard firmware

Definition at line 136 of file lnp.h.

Referenced by get_msg().

unsigned char get_msg ( void )

inline

read received message from standard firmware

Definition at line 145 of file lnp.h.

References clear_msg(), lnp_rcx_message, msg_received(), and wait_event().

void lnp_addressing_set_handler	(	unsigned char	port,
		lnp_addressing_handler_t	handler
	)

inline

set an addressing layer packet handler for a port.

Definition at line 107 of file lnp.h.

References CONF_LNP_HOSTMASK.

int lnp_addressing_write	(	const unsigned char *	data,
		unsigned char	length,
		unsigned char	dest,
		unsigned char	srcport
	)

send a LNP addressing layer packet of given length

Returns: 0 on success.

void lnp_integrity_set_handler ( lnp_integrity_handler_t handler )

inline

set the integrity layer packet handler

Definition at line 101 of file lnp.h.

int lnp_integrity_write	(	const unsigned char *	data,
		unsigned char	length
	)

send a LNP integrity layer packet of given length

Returns: 0 on success.

void lnp_remote_set_handler ( lnp_remote_handler_t handler )

inline

set the remote packet handler

Definition at line 122 of file lnp.h.

void lnp_set_hostaddr ( unsigned char host )

inline

set new LNP host address

Definition at line 115 of file lnp.h.

References CONF_LNP_HOSTMASK.

wakeup_t msg_received ( wakeup_t m )

wait until receive a message

Referenced by get_msg().

int send_msg ( unsigned char msg )

send a standard firmware message

Variable Documentation

volatile lnp_addressing_handler_t lnp_addressing_handler[]

addressing layer packets may be directed to a variety of ports.

unsigned char lnp_hostaddr

LNP host address.

volatile lnp_integrity_handler_t lnp_integrity_handler

there are no ports for integrity layer packets, so there's just

unsigned char lnp_rcx_message

message variable

Referenced by get_msg().

lnp_remote_handler_t lnp_remote_handler

packets from remote have no ports

Macros

Typedefs

Functions

Variables

Detailed Description

Macro Definition Documentation

Typedef Documentation

Function Documentation

Variable Documentation