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lnp-logical.h File Reference

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

#include "../lnp-logical.h"
#include <time.h>

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Defines

#define LNP_LOGICAL_BAUD_RATE   B2400
 baud rate
#define LNP_LOGICAL_PARITY   SMR_P_ODD
 parity
#define LNP_BYTE_TIME   MSECS_TO_TICKS(5)
 time to transmit a byte
#define LNP_BYTE_TIMEOUT   (3*LNP_BYTE_TIME/2)
 timeout waiting for a byte
#define LNP_BYTE_SAFE   (4*LNP_BYTE_TIME)
 delay before transmitting a byte
#define LNP_WAIT_TXOK   (2*LNP_BYTE_TIMEOUT)
 delay after good transmit
#define LNP_WAIT_COLL   (4*LNP_BYTE_TIMEOUT)
 delay after collision
#define TX_COLL   (-1)
 not transmitting, last xmit was collision
#define TX_IDLE   ( 0)
 not transmitting, last xmit OK
#define TX_ACTIVE   ( 1)
 currently transmitting

Functions

void lnp_logical_init (void)
 Initialize the logical layer (IR port).
void lnp_logical_shutdown (void)
 Shutdown the logical layer (IR port).
void txend_handler (void)
 Callback: end of transmission.

Variables

volatile signed char tx_state
 transmit status

Detailed Description

Internal LNP Interface: link networking protocol logical layer.

Author:
Markus L. Noga <markus@noga.de>

Definition in file lnp-logical.h.

Define Documentation

#define LNP_BYTE_SAFE   (4*LNP_BYTE_TIME)

delay before transmitting a byte

Definition at line 59 of file lnp-logical.h.

#define LNP_BYTE_TIME   MSECS_TO_TICKS(5)

time to transmit a byte

Definition at line 55 of file lnp-logical.h.

#define LNP_BYTE_TIMEOUT   (3*LNP_BYTE_TIME/2)

timeout waiting for a byte

Definition at line 58 of file lnp-logical.h.

#define LNP_LOGICAL_BAUD_RATE   B2400

baud rate

Definition at line 53 of file lnp-logical.h.

#define LNP_LOGICAL_PARITY   SMR_P_ODD

parity

Definition at line 54 of file lnp-logical.h.

#define LNP_WAIT_COLL   (4*LNP_BYTE_TIMEOUT)

delay after collision

Definition at line 62 of file lnp-logical.h.

#define LNP_WAIT_TXOK   (2*LNP_BYTE_TIMEOUT)

delay after good transmit

Definition at line 61 of file lnp-logical.h.

#define TX_ACTIVE   ( 1)

currently transmitting

Definition at line 67 of file lnp-logical.h.

#define TX_COLL   (-1)

not transmitting, last xmit was collision

Definition at line 65 of file lnp-logical.h.

#define TX_IDLE   ( 0)

not transmitting, last xmit OK

Definition at line 66 of file lnp-logical.h.

Function Documentation

void lnp_logical_init ( void   ) 

Initialize the logical layer (IR port).

Referenced by kmain().

void lnp_logical_shutdown ( void   ) 

Shutdown the logical layer (IR port).

Referenced by kmain().

void txend_handler ( void   ) 

Callback: end of transmission.

Variable Documentation

volatile signed char tx_state

transmit status

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Original code copyright 1998-2005 by the authors.
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