Hamlib/src/cal.h

/*
 * hamlib - (C) Frank Singleton 2000 (vk3fcs@ix.netcom.com)
 *
 * cal.h - Copyright (C) 2001 Stephane Fillod
 *
 *
 *		$Id: cal.h,v 1.2 2001-06-12 23:59:21 f4cfe Exp $  
 *
 *
 *
 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 * 
 */

#ifndef _CAL_H
#define _CAL_H 1

#include <hamlib/rig_dll.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 */