ldpc.c

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

/***************************************************************************
 *    ldpc.c  -  The encoder
 *                           -------------------
 *   begin                :  2003/08/01
 *   authors              :  Selvan 
 *   emails               :  email address
 ***************************************************************************/

/***************************************************************************
 *                                Changes
 *                                -------
 * date - name - description
 * 2003/08/01 - selvan - 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.                                   *
 *                                                                         *
 ***************************************************************************/

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

/**
 * This LDPC-decoder is written to take successive symbols from
 * two input-streams with two independant SNRs. Additionaly,
 * the output of the decoder doesn't have a hard-decision, so that
 * it's most suited to fit into a successive interference cancellation
 * environment.
 */


#define DBG_LVL 4

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;
  }

  return 0;
}


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


module_init( spc_module_init );
module_exit( spc_module_exit );