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/* -------------------------- temperature ------------------------------------- */
/* */
/* Calculates temperature: number of 'events' within N milliseconds. */
/* Written by Olaf Matthes <olaf.matthes@gmx.de> */
/* Get source at http://www.akustische-kunst.org/puredata/maxlib/ */
/* */
/* 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. */
/* */
/* Based on PureData by Miller Puckette and others. */
/* */
/* ---------------------------------------------------------------------------- */
#include "m_pd.h"
#include <math.h>
static char *version = "temperature v0.1, written by Olaf Matthes <olaf.matthes@gmx.de>";
typedef struct temperature
{
t_object x_ob;
t_clock *x_clock;
t_outlet *x_outfloat; /* output the temperature */
t_int x_index; /* the number of elements to average */
t_int x_time;
} t_temperature;
static void temperature_tick(t_temperature *x)
{
outlet_float(x->x_outfloat, x->x_index);
x->x_index = 0;
clock_delay(x->x_clock, x->x_time);
}
static void temperature_float(t_temperature *x, t_floatarg f)
{
x->x_index++; /* just count number of 'events' */
}
static void temperature_anything(t_temperature *x, t_symbol *s, int argc, t_atom *argv)
{
x->x_index++; /* just count number of 'events' */
}
static void temperature_time(t_temperature *x, t_floatarg f)
{
x->x_time = (t_int)f;
if(x->x_time < 1) x->x_time = 1;
clock_unset(x->x_clock);
clock_delay(x->x_clock, x->x_time);
}
static void temperature_reset(t_temperature *x)
{
x->x_index = 0;
post("temperature: reset");
}
static void temperature_free(t_temperature *x)
{
clock_free(x->x_clock);
}
static t_class *temperature_class;
static void *temperature_new(t_floatarg f)
{
t_temperature *x = (t_temperature *)pd_new(temperature_class);
inlet_new(&x->x_ob, &x->x_ob.ob_pd, gensym("float"), gensym("time"));
x->x_outfloat = outlet_new(&x->x_ob, gensym("float"));
x->x_clock = clock_new(x, (t_method)temperature_tick);
x->x_time = (t_int)f;
if(x->x_time < 1)
{
x->x_time = 1;
post("temperature: set time to %d ms", x->x_time);
}
x->x_index = 0;
clock_delay(x->x_clock, x->x_time);
return (void *)x;
}
#ifndef MAXLIB
void temperature_setup(void)
{
temperature_class = class_new(gensym("temperature"), (t_newmethod)temperature_new,
(t_method)temperature_free, sizeof(t_temperature), 0, A_DEFFLOAT, 0);
class_addmethod(temperature_class, (t_method)temperature_reset, gensym("reset"), 0);
class_addfloat(temperature_class, temperature_float);
class_addmethod(temperature_class, (t_method)temperature_time, gensym("time"), A_FLOAT, 0);
class_addanything(temperature_class, temperature_anything);
logpost(NULL, 4, version);
}
#else
void maxlib_temperature_setup(void)
{
temperature_class = class_new(gensym("maxlib_temperature"), (t_newmethod)temperature_new,
(t_method)temperature_free, sizeof(t_temperature), 0, A_DEFFLOAT, 0);
class_addcreator((t_newmethod)temperature_new, gensym("temperature"), A_DEFFLOAT, 0);
class_addmethod(temperature_class, (t_method)temperature_reset, gensym("reset"), 0);
class_addfloat(temperature_class, temperature_float);
class_addmethod(temperature_class, (t_method)temperature_time, gensym("time"), A_FLOAT, 0);
class_addanything(temperature_class, temperature_anything);
class_sethelpsymbol(temperature_class, gensym("maxlib/temperature-help.pd"));
}
#endif
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