/****************************************************************************
Copyright 2005,2006 Virginia Polytechnic Institute and State University

This file is part of the OSSIE Signal Processing Library.

OSSIE Signal Processing Library 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.

OSSIE Signal Processing Library is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License along
with OSSIE Signal Processing Library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA


****************************************************************************/

/**Converted to C by ismael.gomez at tsc.upc.edu
 */

#define MODULATE    0
#define DEMODULATE  1

#define MOD_BPSK    0
#define MOD_QPSK    1
#define MOD_QAM4    2
#define MOD_PSK8    3
#define MOD_QAM16   4
#define MOD_ASK     5

#define ASK_LEVEL       10000
#define BPSK_LEVEL      10000   ///< BPSK amplitude (RMS=10000)
#define QPSK_LEVEL      10000   ///< QPSK amplitude (RMS=10000)
#define QAM4_LEVEL      7071    ///< QAM4 amplitude (RMS=10000)
#define PSK8_LEVEL_1    7071    ///< Low 8-PSK amplitude (RMS=10000)
#define PSK8_LEVEL_2    10000   ///< High 8-PSK amplitude (RMS=10000)
#define QAM16_LEVEL_1   3162    ///< Low 16-QAM amplitude (RMS=10000)
#define QAM16_LEVEL_2   9487    ///< High 16-QAM amplitude (RMS=10000)
#define PAM4_LEVEL_1    4472    ///< Low 4-PAM amplitude (RMS=10000)
#define PAM4_LEVEL_2    13416   ///< High 4-PAM amplitude (RMS=10000)


#define DEMOD_COS_22_5 0.923879532511287
#define DEMOD_SIN_22_5 0.382683432365090

#define QAM16_THRESHOLD 6324    ///< 16-QAM threshold for RMS=10000 signal
#define PAM4_THRESHOLD  8944    ///< 4-PAM threshold for RMS=10000 signal