Paparazzi UAS  v5.0.5_stable-7-g4b8bbb7
Paparazzi is a free software Unmanned Aircraft System.
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ppm_arch.h
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1 /*
2  * Copyright (C) 2010 The Paparazzi Team
3  *
4  * This file is part of paparazzi.
5  *
6  * paparazzi is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2, or (at your option)
9  * any later version.
10  *
11  * paparazzi is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with paparazzi; see the file COPYING. If not, write to
18  * the Free Software Foundation, 59 Temple Place - Suite 330,
19  * Boston, MA 02111-1307, USA.
20  */
21 
30 #ifndef PPM_ARCH_H
31 #define PPM_ARCH_H
32 
33 #include "mcu_periph/sys_time.h"
34 
46 #define RC_PPM_TICKS_PER_USEC 6
47 
48 #define RC_PPM_TICKS_OF_USEC(_v) ((_v)*RC_PPM_TICKS_PER_USEC)
49 #define RC_PPM_SIGNED_TICKS_OF_USEC(_v) (int32_t)((_v)*RC_PPM_TICKS_PER_USEC)
50 #define USEC_OF_RC_PPM_TICKS(_v) ((_v)/RC_PPM_TICKS_PER_USEC)
51 
52 #define PPM_NB_CHANNEL RADIO_CONTROL_NB_CHANNEL
53 
54 #endif /* PPM_ARCH_H */
Architecture independent timing functions.