test_block_complex.c

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

/***************************************************************************
              test_block_complex.c  -  Sends some data over the complex channel
                            -------------------
    begin                :  03/09/03
    authors              :  Linus Gasser
    emails               :  [e-mail]
 ***************************************************************************/

/***************************************************************************
                                 Changes
                                 -------
 date - name - description
 03/09/03 - ineiti - begin
 04/03/03 - ineiti - added a small comment
 
 **************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/


char desc[] =
"Description:\n"
"Sends some QPSK signals over the channel and resizes and does all kind\n"
"of nasty stuff to the subsystem.\n"
"The output should contain the test-phrase.\n\n";

#include "spc.h"
#include "std.h"

#define DBG_LVL 4


struct chain_t *test_chain, *test_chain_2;

void *start_it( void *arg ) {
  swr_sdb_id source, split, block, join, sink;

  test_chain = swr_chain_create( NEW_SPC_VAR( "source", source ),
				 NEW_SPC( "mapper" ),
				 NEW_SPC_VAR( "split", split ),
				 NEW_SPC( "chest_send" ),
				 NEW_SPC_VAR( "block_complex", block ),
				 NEW_SPC_VAR( "join", join ),
				 NEW_SPC( "slicer" ),
				 NEW_SPC_VAR( "sink", sink ),
				 CHAIN_END );

  test_chain_2 = swr_chain_create( OLD_SPC_OUT( split, 1 ),
		                   NEW_SPC( "chest_send" ),
				   OLD_SPC_IN_OUT( block, 1, 1 ),
				   OLD_SPC_IN( join, 1 ),
				   CHAIN_END );
  
  // To see some output
  swr_sdb_set_config_int( sink, "flag", 1 );
  swr_sdb_set_config_int( block, "size", 2000 );

  PR( "Going to send something over the channel\n" );
  swr_sdb_send_msg( source, SUBS_MSG_USER, NULL, -1 );

  PR( "Finished...\n" );

  return 0;
}

swr_spc_id_t spm_id;

struct thread start;
/**
 * This function is called upon "insmod" and is used to register the
 * different parts of the module to the SPM.
 */
int um_module_init(void) {

  PR_CL( desc );

  test_chain = NULL;
  if ( swr_thread_init( &start, start_it, NULL ) < 0 )
    goto first_no_stack;
  return 0;

first_no_stack:
  PR_DBG( 0, "Couldn't allocate stack\n" );
  return -1;
}

void um_module_exit( void ) {

  swr_thread_free( &start, NULL );
  swr_chain_destroy( test_chain_2 );
  swr_chain_destroy( test_chain );

}


module_init( um_module_init );
module_exit( um_module_exit );