nop.c

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

/***************************************************************************
           nop.c  -  Do nothing
                            -------------------
    begin                :  2004
    authors              :  Linus Gasser
    emails               :  [e-mail]
 ***************************************************************************/

/***************************************************************************
                                 Changes
                                 -------
 date - name - description
 04-01-05 - ineiti - start
 
 **************************************************************************/

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


/**
 * Do nothing but return some time to wait - Useful for debugging the
 * dispatcher
 */


#define DBG_LVL 0

#include "system.h"
#include "debugging.h"
#include "memory.h"
#include "sdb.h"
#include "antenna.h"


swr_ant_param_t *params[ MAX_ANTENNAS ];
int antennas;

/**
 * @short Initialises an antenna's channel
 */
int swr_ant_ch_init( swr_ant_param_t *p ) {
  if ( antennas < MAX_ANTENNAS ){
    params[ antennas ] = p;
    return antennas++;
  } else {
    PR_DBG( 0, "Asking for too many antennas\n" );
    return -1;
  }
}

/**
 * @short Deletes an antenna's channel
 */
void swr_ant_ch_free( int nbr_ant ) {
  if ( !antennas ){
    PR_DBG( 0, "There are no antennas to be freed\n" );
  }
  if ( nbr_ant != --antennas ){
    PR_DBG( 0, "Out of order freeing.\n" );
  }
}

/**
 * @short Starts the channel
 */
void swr_ant_ch_start( void ) {
  // Well, there's nothing to do, really ;)
}

/**
 * @short Stops the channel
 */
void swr_ant_ch_stop( void ) {
}

/**
 * @short IOs the antenna
 */
int swr_ant_ch_io( int block ) {
  PR_DBG( 2, "Returning 100000us\n" );
  return 100000;
}


int swr_ant_ch_reconfig( int nbr_ant ){
  return 0;
}


int swr_ant_rf_get_gains( int nbr_ant,
                          int *tx_pa, int *tx_med, int *tx_if, int *rx_if ) {
  return 0;
}

int swr_ant_rf_set_gains( int nbr_ant,
                          int tx_pa, int tx_med, int tx_if, int rx_if ) {
  return 0;
}


int swr_emul_init( void ){
  antennas = 0;
  return 0;
}


void swr_emul_exit( void ){
  if ( antennas > 0 ){
    PR_DBG( 0, "Hmm, still some antennas left...\n" );
  }
}


module_init( swr_emul_init );
module_exit( swr_emul_exit );

EXPORT_SYMBOL(swr_ant_ch_init);
EXPORT_SYMBOL(swr_ant_ch_free);
EXPORT_SYMBOL(swr_ant_ch_start);
EXPORT_SYMBOL(swr_ant_ch_stop);
EXPORT_SYMBOL(swr_ant_ch_io);
EXPORT_SYMBOL(swr_ant_ch_reconfig);
EXPORT_SYMBOL(swr_ant_rf_set_gains);
EXPORT_SYMBOL(swr_ant_rf_get_gains);