00001 /* timing declarations */ 00002 /* Copyright (C) 2010 Holger Dietze 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) version 3. 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 along 00015 * with this program; if not, see <http://www.gnu.org/licenses/>. 00016 */ 00017 00018 #ifndef TIMER_H 00019 #define TIMER_H 00020 00021 #include <avr/io.h> 00022 00030 typedef uint16_t timerval_t; 00031 00034 void timer1_init (void); 00035 00038 inline void timer1_func_start (timerval_t * tv) 00039 { 00040 *tv = TCNT1; 00041 } 00042 00045 inline uint16_t timer1_func_end (timerval_t * tv) 00046 { 00047 return TCNT1 - *tv; 00048 } 00049 00050 #endif