File content as of revision 62:8e2fbe131b53:

/*****************************************************************************
FILE:  qrsdet.h
AUTHOR: Patrick S. Hamilton
REVISED:    4/16/2002
  ___________________________________________________________________________

qrsdet.h QRS detector parameter definitions
Copywrite (C) 2000 Patrick S. Hamilton

This file 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 software 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., 59
Temple Place - Suite 330, Boston, MA 02111-1307, USA.

You may contact the author by e-mail (pat@eplimited.com) or postal mail
(Patrick Hamilton, E.P. Limited, 35 Medford St., Suite 204 Somerville,
MA 02143 USA).  For updates to this software, please visit our website
(http://www.eplimited.com).
  __________________________________________________________________________
  Revisions:
    4/16: Modified to allow simplified modification of digital filters in
    qrsfilt().
*****************************************************************************/


#define SAMPLE_RATE 500 /* Sample rate in Hz. - was 200 */
#define MS_PER_SAMPLE   ( (double) 1000/ (double) SAMPLE_RATE)
#define MS10    ((int) (10/ MS_PER_SAMPLE + 0.5))
#define MS25    ((int) (25/MS_PER_SAMPLE + 0.5))
#define MS30    ((int) (30/MS_PER_SAMPLE + 0.5))
#define MS80    ((int) (80/MS_PER_SAMPLE + 0.5))
#define MS95    ((int) (95/MS_PER_SAMPLE + 0.5))
#define MS100   ((int) (100/MS_PER_SAMPLE + 0.5))
#define MS125   ((int) (125/MS_PER_SAMPLE + 0.5))
#define MS150   ((int) (150/MS_PER_SAMPLE + 0.5))
#define MS160   ((int) (160/MS_PER_SAMPLE + 0.5))
#define MS175   ((int) (175/MS_PER_SAMPLE + 0.5))
#define MS195   ((int) (195/MS_PER_SAMPLE + 0.5))
#define MS200   ((int) (200/MS_PER_SAMPLE + 0.5))
#define MS220   ((int) (220/MS_PER_SAMPLE + 0.5))
#define MS250   ((int) (250/MS_PER_SAMPLE + 0.5))
#define MS300   ((int) (300/MS_PER_SAMPLE + 0.5))
#define MS360   ((int) (360/MS_PER_SAMPLE + 0.5))
#define MS450   ((int) (450/MS_PER_SAMPLE + 0.5))
#define MS1000  SAMPLE_RATE
#define MS1500  ((int) (1500/MS_PER_SAMPLE))
#define DERIV_LENGTH    MS10
#define LPBUFFER_LGTH ((int) (2*MS25))
#define HPBUFFER_LGTH MS125

#define WINDOW_WIDTH    MS80            // Moving window integration width.
#define FILTER_DELAY (int) (((double) DERIV_LENGTH/2) + ((double) LPBUFFER_LGTH/2 - 1) + (((double) HPBUFFER_LGTH-1)/2) + PRE_BLANK)  // filter delays plus 200 ms blanking delay
#define DER_DELAY   WINDOW_WIDTH + FILTER_DELAY + MS100