This will become a hardware abstraction layer for my mbed projects. It will make it easier to port sketches from Arduino to mbed
wiring_pulse.c
- Committer:
- rbohne
- Date:
- 2011-06-04
- Revision:
- 2:7e1ff33bc76a
File content as of revision 2:7e1ff33bc76a:
/* wiring_pulse.c - pulseIn() function Part of Arduino - http://www.arduino.cc/ Copyright (c) 2005-2006 David A. Mellis This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA $Id: wiring.c 248 2007-02-03 15:36:30Z mellis $ */ #include "wiring_private.h" /* Measures the length (in microseconds) of a pulse on the pin; state is HIGH * or LOW, the type of pulse to measure. Works on pulses from 2-3 microseconds * to 3 minutes in length, but must be called at least a few dozen microseconds * before the start of the pulse. */ unsigned long pulseIn(uint8_t pin, uint8_t state, unsigned long timeout) { //not implemented return 0; }