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/*

 *  Hamlib Interface - calibration header

 *  Copyright (c) 2000,2001 by Stephane Fillod and Frank Singleton

 *

 *		$Id: cal.h,v 1.4 2001-07-13 19:08:15 f4cfe Exp $

 *

 *   This library is free software; you can redistribute it and/or modify

 *   it under the terms of the GNU Library 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 Library General Public License for more details.

 *

 *   You should have received a copy of the GNU Library General Public

 *   License along with this library; if not, write to the Free Software

 *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

 *

 */



#ifndef _CAL_H

#define _CAL_H 1



#include <hamlib/rig.h>





/* add rig_set_cal(cal_table), rig_get_calstat(rawmin,rawmax,cal_table), */



#define MAX_CAL_LENGTH 32



/*

 * cal_table_t is a data type suited to hold linear calibration

 * cal_table_t.size tell the number of plot cal_table_t.table contains

 * If a value is below or equal to cal_table_t.table[0].raw, 

 * rig_raw2val() will return cal_table_t.table[0].val

 * If a value is greater or equal to cal_table_t.table[cal_table_t.size-1].raw, 

 * rig_raw2val() will return cal_table_t.table[cal_table_t.size-1].val

 */

struct cal_cell {

	int raw;

	int val;

};

struct cal_table {

	int size;

	struct cal_cell table[MAX_CAL_LENGTH];

};



typedef struct cal_table cal_table_t;



#define EMPTY_STR_CAL { 0, { { 0, 0 }, } }



extern HAMLIB_EXPORT(float) rig_raw2val(int rawval, const cal_table_t *cal);



#endif /* _CAL_H */