00001 /* 00002 * Copyright Droids Corporation, Microb Technology, Eirbot (2005) 00003 * 00004 * This program is free software; you can redistribute it and/or modify 00005 * it under the terms of the GNU General Public License as published by 00006 * the Free Software Foundation; either version 2 of the License, or 00007 * (at your option) any later version. 00008 * 00009 * This program is distributed in the hope that it will be useful, 00010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 * GNU General Public License for more details. 00013 * 00014 * You should have received a copy of the GNU General Public License 00015 * along with this program; if not, write to the Free Software 00016 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00017 * 00018 * 00019 */ 00020 00021 00034 #ifndef _RAMP_H 00035 #define _RAMP_H 00036 00039 struct ramp_filter { 00040 uint32_t var_neg; 00041 uint32_t var_pos; 00042 int32_t prev_out; 00043 }; 00044 00045 00046 00047 /* Begin prototyping ************************/ 00048 00053 void ramp_init(struct ramp_filter * r ); 00054 00055 00062 void ramp_set_vars(struct ramp_filter * r, uint32_t neg, uint32_t pos); 00063 00064 00072 int32_t ramp_do_filter(void * r, int32_t in); 00073 00074 #endif /* ifndef _RAMP_H */
1.5.6