[lcd4linux @ 2004-02-10 07:42:35 by reinelt]

cut off all old-style files which are no longer used with NextGeneration

1 files changed, 0 insertions, 215 deletions

diff --git a/filter.c b/filter.c
deleted file mode 100644
index 11b198b..0000000
--- a/filter.c
+++ /dev/null
@@ -1,215 +0,0 @@
-/* $Id: filter.c,v 1.12 2004/01/30 20:57:56 reinelt Exp $
- *
- *  smooth and damp functions
- *
- * Copyright 1999, 2000 Michael Reinelt <reinelt@eunet.at>
- *
- * This file is part of LCD4Linux.
- *
- * LCD4Linux 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, or (at your option)
- * any later version.
- *
- * LCD4Linux 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.
- *
- *
- * $Log: filter.c,v $
- * Revision 1.12  2004/01/30 20:57:56  reinelt
- * HD44780 patch from Martin Hejl
- * dmalloc integrated
- *
- * Revision 1.11  2004/01/29 04:40:02  reinelt
- * every .c file includes "config.h" now
- *
- * Revision 1.10  2004/01/16 05:04:53  reinelt
- * started plugin proc_stat which should parse /proc/stat
- * which again is a paint in the a**
- * thinking over implementation methods of delta functions
- * (CPU load, ...)
- *
- * Revision 1.9  2004/01/09 04:16:06  reinelt
- * added 'section' argument to cfg_get(), but NULLed it on all calls by now.
- *
- * Revision 1.8  2003/10/05 17:58:50  reinelt
- * libtool junk; copyright messages cleaned up
- *
- * Revision 1.7  2003/09/09 06:54:43  reinelt
- * new function 'cfg_number()'
- *
- * Revision 1.6  2003/02/22 07:53:10  reinelt
- * cfg_get(key,defval)
- *
- * Revision 1.5  2001/08/05 17:13:29  reinelt
- *
- * cleaned up inlude of sys/time.h and time.h
- *
- * Revision 1.4  2000/03/23 07:24:48  reinelt
- *
- * PPM driver up and running (but slow!)
- *
- * Revision 1.3  2000/03/22 07:33:50  reinelt
- *
- * FAQ added
- * new modules 'processor.c' contains all data processing
- *
- * Revision 1.2  2000/03/06 06:04:06  reinelt
- *
- * minor cleanups
- *
- */
-
-/* 
- *
- * exported fuctions:
- *
- * smooth (name, period, value)
- *   returns an average value over a given period
- *   uses global variable "tick"
- *
- * damp (name, value)
- *   damps a value with exp(-t/tau) 
- *
- */
-
-#include "config.h"
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <math.h>
-#include <time.h>
-#include <sys/time.h>
-
-#include "cfg.h"
-#include "filter.h"
-
-#ifdef WITH_DMALLOC
-#include <dmalloc.h>
-#endif
-
-extern int tick;
-
-#define SLOTS 64
-#define SECONDS(x) (x.tv_sec+x.tv_usec/1000000.0)
-
-typedef struct {
-  char *name;
-  int slots;
-  struct timeval *time;
-  double *value;
-} FILTER;
-
-
-double smooth(char *name, int period, double value)
-{
-  static FILTER *Filter=NULL;
-  static int nFilter=0;
-  struct timeval now;
-  double t, v;
-  int i, j;
-  
-  gettimeofday (&now, NULL);
-  
-  for (i=0; i<nFilter; i++) {
-    if (strcmp(name, Filter[i].name)==0) 
-      break;
-  }
-  
-  if (i==nFilter) {
-    int slots=(period+tick-1)/tick;
-    if (slots<2) 
-      slots=2;
-    else if (slots>SLOTS)
-      slots=SLOTS;
-    
-    nFilter++;
-    Filter=realloc(Filter, nFilter*sizeof(FILTER));
-    Filter[i].name=strdup(name);
-    Filter[i].slots=slots;
-    Filter[i].time=malloc(slots*sizeof(Filter[i].time[0]));
-    Filter[i].value=malloc(slots*sizeof(Filter[i].value[0]));
-    for (j=0; j<slots; j++) {
-      Filter[i].time[j]=now;
-      Filter[i].value[j]=value;
-    }
-  }
-  
-  for (j=Filter[i].slots-1; j>0; j--) {
-    Filter[i].time[j]=Filter[i].time[j-1];
-    Filter[i].value[j]=Filter[i].value[j-1];
-  }
-  Filter[i].time[0]=now;
-  Filter[i].value[0]=value;
-  
-  t = SECONDS(Filter[i].time[0]) - SECONDS(Filter[i].time[Filter[i].slots-1]);
-  v = Filter[i].value[0]-Filter[i].value[Filter[i].slots-1];
-  
-  if (t==0.0 || v<0.0)
-    return 0;
-  else
-    return v/t;
-}
-
-
-double damp(char *name, double value)
-{
-  static int tau=-1;
-  static FILTER *Filter=NULL;
-  static int nFilter=0;
-  struct timeval now;
-  double max;
-  int i, j;
-  
-  if (tau==-1) 
-    if (cfg_number(NULL, "tau", 500, 0, 1000000, &tau)<0) tau=0.0;
-  
-  if (tau==0.0)
-    return value;
-  
-  gettimeofday (&now, NULL);
-  
-  for (i=0; i<nFilter; i++) {
-    if (strcmp(name, Filter[i].name)==0) 
-      break;
-  }
-  
-  if (i==nFilter) {
-    int slots=log(100)*tau/tick;
-    if (slots<1) 
-      slots=1;
-    else if (slots>SLOTS)
-      slots=SLOTS;
-
-    nFilter++;
-    Filter=realloc(Filter, nFilter*sizeof(FILTER));
-    Filter[i].name=strdup(name);
-    Filter[i].slots=slots;
-    Filter[i].time=malloc(slots*sizeof(Filter[i].time));
-    Filter[i].value=malloc(slots*sizeof(Filter[i].value));
-    for (j=0; j<slots; j++) {
-      Filter[i].time[j]=now;
-      Filter[i].value[j]=0;
-    }
-  }
-  
-  max=value;
-  for (j=Filter[i].slots-1; j>0; j--) {
-    double t = SECONDS(Filter[i].time[j]) - SECONDS(Filter[i].time[j-1]);
-    Filter[i].time[j]=Filter[i].time[j-1];
-    Filter[i].value[j]=Filter[i].value[j-1]*exp(-t/tau);
-    if (Filter[i].value[j]>max) max=Filter[i].value[j];
-  }
-
-  Filter[i].time[0]=now;
-  Filter[i].value[0]=value;
-  
-  return max;
-}