Paparazzi UAS  v4.0.4_stable-3-gf39211a
Paparazzi is a free software Unmanned Aircraft System.
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ppm_arch.h
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1 /*
2  * $Id$
3  *
4  * Copyright (C) 2010 The Paparazzi Team
5  *
6  * This file is part of paparazzi.
7  *
8  * paparazzi is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2, or (at your option)
11  * any later version.
12  *
13  * paparazzi is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with paparazzi; see the file COPYING. If not, write to
20  * the Free Software Foundation, 59 Temple Place - Suite 330,
21  * Boston, MA 02111-1307, USA.
22  */
23 
24 #ifndef PPM_ARCH_H
25 #define PPM_ARCH_H
26 
27 
28 #include "LPC21xx.h"
29 #include BOARD_CONFIG
30 
31 #include "mcu_periph/sys_time.h"
32 
39 #define RC_PPM_TICKS_OF_USEC CPU_TICKS_OF_USEC
40 #define RC_PPM_SIGNED_TICKS_OF_USEC SIGNED_CPU_TICKS_OF_USEC
41 #define USEC_OF_RC_PPM_TICKS USEC_OF_CPU_TICKS
42 
43 #define PPM_NB_CHANNEL RADIO_CONTROL_NB_CHANNEL
44 
45 #define PPM_IT PPM_CRI
46 
47 #define PPM_ISR() { \
48  uint32_t now = PPM_CR; \
49  DecodePpmFrame(now); \
50 }
51 
52 
53 #endif /* PPM_ARCH_H */
Architecture independent timing functions.