include/lnp/lnp-logical.h File Reference

LNP Interface: link networking protocol logical layer. More...

#include <config.h>
#include <mem.h>
#include <sys/h8.h>

Include dependency graph for lnp-logical.h:

Go to the source code of this file.

Functions
void	lnp_logical_range (int far)
	Set the IR transmitter range.
int	lnp_logical_range_is_far (void)
	Test the IR transmitter range setting.
int	lnp_logical_write (const void *buf, size_t len)
	Write buffer to IR port.
void	lnp_logical_fflush (void)
	Empty the IR receive buffer.

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Detailed Description

LNP Interface: link networking protocol logical layer.

Author:

Markus L. Noga <markus@noga.de>

Definition in file lnp-logical.h.

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Function Documentation

void lnp_logical_fflush (  void   )

Empty the IR receive buffer. Returns: Nothing

void lnp_logical_range (  int  far  )  [inline]

Set the IR transmitter range. Configure the INFRARED transmitter power Parameters: far:  0: sets short range, 1: sets long range Returns: Nothing NOTE1: this setting remains in effect until changed or the RCX power is turned off. NOTE2: toggles port 4 bit 0 Todo: determine what clears this and then correct NOTE1 Definition at line 62 of file lnp-logical.h.

int lnp_logical_range_is_far (  void   )  [inline]

Test the IR transmitter range setting. Determine if the INFRARED transmitter power is set to long range Returns: T/F where TRUE means transmitter is set to long range Definition at line 73 of file lnp-logical.h.

int lnp_logical_write (  const void *  buf, size_t  len )

Write buffer to IR port. Write {len} chars (starting at {buf}) to IR port. Parameters: buf  pointer to array of chars to be written len  number of chars in array (to be written) Returns: 0 if OK, else collision NOTE: doesn't return until all are written (blocking write)

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brickOS is released under the Mozilla Public License. Original code copyright 1998-2002 by the authors.

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