parameter_types.c

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

/***************************************************************************
         parameter_types.c  -  stores information about differet
         parameter types for configuration and statistics
 
                            -------------------
 
    begin                :  2002
    authors              :  Silvio Boehler
    emails               :  [e-mail]
 ***************************************************************************/

/***************************************************************************
                                 Changes
                                 -------
 date - name - description
09.09.2002 - silvio - begin work
 
 **************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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 "system.h"
#include "debugging.h"
#define DBG_LVL 4


/**
 * Interface
 */

#include "parameter_types.h"
#include "swr_types.h"


/**
 * The definitions of each parameter. The order is significant and
 * should follow the order of the sequence in parameter_type_t!
 */


parameter_type_entry_t parameter_types[9] = {
      {"Undefined", 0, 0},
      {"Integer", sizeof( int ), sizeof( int ) },
      {"Double", sizeof( double ), 1 },
      {"Double_Complex", sizeof( double_complex ), 1 },
      {"String128", 128, 1},
      {"Block", sizeof( void * ) + 2 * sizeof( int ), 1 },
      {"Image", sizeof( void * ) + 3 * sizeof( int ), 1 },
      {"Pointer", sizeof( void * ), 1 },
      {"Complex", sizeof( SYMBOL_COMPLEX ), 1 },
    };


//-------------------------------------------------------------------
// PUBLIC FUNCTIONS
//-------------------------------------------------------------------


/**
 * Get the amount of bytes necessary to store a parameter of a given
 * type.
 */

int get_size(parameter_type_t parameter_type) {
  return parameter_types[parameter_type].size;
}


/**
 * Get the name of a parameter type.
 */

const char *param_t_get_name(parameter_type_t parameter_type) {
  return parameter_types[parameter_type].name;
}


/**
 * Copy a value with a certain type to destination.
 */

int param_copy_value(parameter_type_t parameter_type, void *value, void *destination) {
  char *value_ptr = value;
  char *dest_ptr = destination;

  if (value_ptr && dest_ptr) {
    memcpy( dest_ptr, value_ptr, parameter_types[parameter_type].size );
    return 0;
  } else {
    PR_DBG(0, "param_copy_value: Null pointer received\n");
    return 1;
  }
}


/**
 * Get the alignment of a type
 */

int get_alignment(parameter_type_t parameter_type) {
  return parameter_types[parameter_type].alignment;
}