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/****************************************************************************
* Copyright (C) 2009-2013 by Claas Anders "CaScAdE" Rathje *
* admiralcascade@gmail.com *
* Project-URL: http://www.mylifesucks.de/oss/c-osd/ *
* *
* 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. *
* *
* 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. *
****************************************************************************/
#ifndef _PPM_H
#define _PPM_H
extern uint8_t COSD_FLAGS, COSD_FLAGS2;
extern volatile uint16_t old_timer1, ppm;
/**
* init ppm, including timer1 for measurement
*/
void ppm_init();
/**
* Handle INT2 interrupts that occur on changing edges of ppm signal
*/
ISR(INT2_vect);
#endif