From 6b5d9ca08f86f74b3aeba330e5910f28643a5e7a Mon Sep 17 00:00:00 2001 From: Hans-Christoph Steiner Date: Wed, 21 May 2003 02:37:38 +0000 Subject: compiles and loads, but crashes when trying to open the device svn path=/trunk/externals/hcs/; revision=639 --- ifeel.c | 205 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 205 insertions(+) create mode 100644 ifeel.c (limited to 'ifeel.c') diff --git a/ifeel.c b/ifeel.c new file mode 100644 index 0000000..e6a6aa9 --- /dev/null +++ b/ifeel.c @@ -0,0 +1,205 @@ +/* + * ifeel mouse object for Miller Puckette's Pure Data + * copyright 2003 Hans-Christoph Steiner + + * 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 ifeel_send.c from the linux iFeel driver: + * http://sourceforge.net/projects/tactile + * + */ + +#include "m_pd.h" + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "ifeel.h" + + +#define IFEEL_DEVICE "/dev/input/ifeel0" + +static t_class *ifeel_class; + +typedef struct _ifeel { + t_object x_obj; + int x_fd; + struct ifeel_command x_ifeel_command; +} t_ifeel; + + + +/****************************************************************************** +general ff methods +******************************************************************************/ + +void ifeel_start(t_ifeel *x) +{ + post("ifeel_start"); + + if (ioctl(x->x_fd, USB_IFEEL_BUZZ_IOCTL, &x->x_ifeel_command) < 0) { + printf("ERROR %s\n", strerror(errno)); + } +} + +void ifeel_stop(t_ifeel *x) +{ + post("ifeel_stop"); + + x->x_ifeel_command.strength = 0; + x->x_ifeel_command.delay = 0; + x->x_ifeel_command.count = 0; + if (ioctl(x->x_fd, USB_IFEEL_BUZZ_IOCTL, &x->x_ifeel_command) < 0) { + printf("ERROR %s\n", strerror(errno)); + } +} + +void ifeel_level(t_ifeel *x, t_floatarg level) +{ + post("ifeel_level"); + + /* make sure its in the proper range */ + level = level * 255; + level = (level > 255 ? 255 : level); + level = (level < 0 ? 0 : level); + + x->x_ifeel_command.strength = (unsigned int)level; + + if (ioctl(x->x_fd, USB_IFEEL_BUZZ_IOCTL, &x->x_ifeel_command) < 0) { + printf("ERROR %s\n", strerror(errno)); + } + +} + +void ifeel_interval(t_ifeel *x, t_floatarg interval) +{ + post("ifeel_interval"); + + interval = (interval < 0 ? 0 : interval); + + x->x_ifeel_command.delay = (unsigned int)interval; + + if (ioctl(x->x_fd, USB_IFEEL_BUZZ_IOCTL, &x->x_ifeel_command) < 0) { + printf("ERROR %s\n", strerror(errno)); + } +} + +void ifeel_count(t_ifeel *x, t_floatarg count ) +{ + post("ifeel_count"); + + count = (count < 0 ? 0 : count); + + x->x_ifeel_command.count = (unsigned int)count; + + if (ioctl(x->x_fd, USB_IFEEL_BUZZ_IOCTL, &x->x_ifeel_command) < 0) { + printf("ERROR %s\n", strerror(errno)); + } +} + +void ifeel_free(t_ifeel *x) +{ + post("ifeel_free"); + + /* stop effect */ + ifeel_stop(x); + + /* close device */ + close(x->x_fd); +} + +void *ifeel_new(t_symbol *device, t_floatarg level, t_floatarg interval, t_floatarg count) +{ + post("ifeel_new"); + + t_ifeel *x = (t_ifeel *)pd_new(ifeel_class); + + /* + * init to zero so I can use the ifeel_* methods to set the + * struct with the argument values + */ + x->x_ifeel_command.strength = 0; + x->x_ifeel_command.delay = 0; + x->x_ifeel_command.count = 0; + + inlet_new(&x->x_obj, + &x->x_obj.ob_pd, + gensym("float"), + gensym("direction")); + inlet_new(&x->x_obj, + &x->x_obj.ob_pd, + gensym("float"), + gensym("count")); + inlet_new(&x->x_obj, + &x->x_obj.ob_pd, + gensym("float"), + gensym("level")); + + if (device != &s_) { + post("Using %s",device->s_name); + + /* x->x_fd = open(IFEEL_DEVICE, O_RDWR); */ + /* x->x_fd = open((char *) device->s_name, O_RDWR); */ + if ((x->x_fd = open((char *) device->s_name, O_RDWR | O_NONBLOCK, 0)) <= 0) { + printf("ERROR %s\n", strerror(errno)); + } + + ifeel_level(x,level); + ifeel_interval(x,interval); + ifeel_count(x,count); + } + else { + post("ifeel: You need to set an ifeel device (i.e /dev/input/ifeel0)"); + } + + return (void*)x; +} + +/****************************************************************************** + initialisation functions +******************************************************************************/ + +void ifeel_setup(void) +{ + post("ifeel_setup"); + + ifeel_class = class_new(gensym("ifeel"), + (t_newmethod)ifeel_new, + (t_method)ifeel_free, + sizeof(t_ifeel), + CLASS_DEFAULT, + A_DEFSYMBOL, + A_DEFFLOAT, + A_DEFFLOAT, + A_DEFFLOAT, + 0); + + class_addbang(ifeel_class,ifeel_start); + + class_addmethod(ifeel_class, (t_method)ifeel_stop,gensym("start"),0); + class_addmethod(ifeel_class, (t_method)ifeel_stop,gensym("stop"),0); + + class_addmethod(ifeel_class, (t_method)ifeel_level, gensym("level"), A_DEFFLOAT,0); + class_addmethod(ifeel_class, (t_method)ifeel_interval,gensym("interval"),A_DEFFLOAT,0); + class_addmethod(ifeel_class, (t_method)ifeel_count,gensym("count"),A_DEFFLOAT,0); + + } + + -- cgit v1.2.1