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/*****************************************************************************/
/*
* pam.h -- Defines for the PAM modem.
*
* Copyright (C) 1999 Thomas Sailer (sailer@ife.ee.ethz.ch)
*
* 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* Please note that the GPL allows you to use the driver, NOT the radio.
* In order to use the radio, you need a license from the communications
* authority of your country.
*
*/
/*****************************************************************************/
#ifndef _PAM_H
#define _PAM_H
/* ---------------------------------------------------------------------- */
#include "modem.h"
/* ---------------------------------------------------------------------- */
#define SAMPLERATE 22050
//#define SAMPLERATE 19200
#define BITRATE 9600
#define TRAINBITS 32
#define OBSTRAINBITS (TRAINBITS-CHANNELLEN+1)
#define DATABYTES 64
#define DATABITS (DATABYTES * 8)
#define CHANNELLEN 8
/* TxFilter */
#define TXFILTLEN 16
#define TXFILTOVERBITS 4
#define TXFILTOVER (1<<(TXFILTOVERBITS))
#define TXFILTFIDX(x) (((x)>>(16-(TXFILTOVERBITS)))&(TXFILTOVER-1))
#define TXFILTFSAMP(x) ((x)>>16)
/* RxFilter */
#define RXFILTLEN 32
#define RXFILTOVERBITS 3
#define RXFILTOVER (1<<(RXFILTOVERBITS))
#define RXFILTFIDX(x) (((x)>>(16-(RXFILTOVERBITS)))&(RXFILTOVER-1))
#define RXFILTFSAMP(x) ((x)>>16)
/* ---------------------------------------------------------------------- */
#endif /* _PAM_H */
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