ldpc.c

This a framework to test new ideas in transmission technology. Actual development is a LDPC-coder in

/***************************************************************************
 *    ldpc.c  -  The main module for LDPC-2fold
 *                           -------------------
 *   begin                :  2003/09/01
 *   authors              :  Nicolae Chiurtu
 *   emails               :  [e-mail]
 ***************************************************************************/

/***************************************************************************
 *                                Changes
 *                                -------
 * date - name - description
 * 2003/09/01 - nicou - begin
 *
 **************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/


/**
 *  LDPC codes are Low Density Parity Check codes used in favor of
 * convolutional codes. Usually they are calculated on a SISO channel.
 * This module tries to enhance the case for a 4x4 MIMO channel. The
 * theory has been written down by Nicolae Chiurtu.
 */


#include "lookup.h"
#include "spc.h"
#include "graphcreate.h"


#define DBG_LVL 4

int ics_rcv_module_init( void );
void ics_rcv_module_exit( void );

int rcv_module_init( void );
void rcv_module_exit( void );

int send_module_init( void );
void send_module_exit( void );


/*
 * Just call the two init-functions
 */
int spc_module_init(void){

  // Call functions to initialise global variables
  //  init_tree();

  lookup_init();

  if( rcv_module_init() < 0 ){
    PR_DBG( 0, "Couldn't init rcv-part\n" );
    lookup_exit();
    return -1;
  }

  if ( send_module_init() < 0 ){
    rcv_module_exit();
    lookup_exit();
    PR_DBG( 0, "Couldn't init send-part\n" );
    return -1;
  }

  if ( ics_rcv_module_init() < 0 ) {
    rcv_module_exit();
    send_module_exit();
    lookup_exit();
    PR_DBG( 0, "Couldn't init ics_rcv-part\n" );
    return -1;
  }
  
  return 0;
}


/*
 * And call the two exit-funcitons
 */
void spc_module_exit( void ){
  lookup_exit();
  ics_rcv_module_exit();
  rcv_module_exit();
  send_module_exit();
}


module_init( spc_module_init );
module_exit( spc_module_exit );