Paparazzi UAS  v4.0.4_stable-3-gf39211a
Paparazzi is a free software Unmanned Aircraft System.
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ppm_arch.c
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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 
26 
30 
31 void ppm_arch_init ( void ) {
32  /* select pin for capture */
34  /* enable capture 0.2 on falling or rising edge + trigger interrupt */
35 #if defined PPM_PULSE_TYPE && PPM_PULSE_TYPE == PPM_PULSE_TYPE_POSITIVE
37 #elif defined PPM_PULSE_TYPE && PPM_PULSE_TYPE == PPM_PULSE_TYPE_NEGATIVE
39 #else
40 #error "ppm_arch.h: Unknown PM_PULSE_TYPE"
41 #endif
46 }
#define T0CCR
Definition: LPC21xx.h:60
#define PPM_PINSEL_VAL
Definition: booz_1.0.h:64
uint32_t ppm_last_pulse_time
Definition: ppm_arch.c:28
bool_t ppm_data_valid
Definition: ppm_arch.c:29
void ppm_arch_init(void)
Architecture dependant code.
Definition: ppm_arch.c:31
#define PPM_PINSEL
Definition: booz_1.0.h:63
#define PPM_CCR_CRI
Definition: booz_1.0.h:69
#define FALSE
Definition: imu_chimu.h:141
uint8_t ppm_cur_pulse
State machine for decoding ppm frames.
Definition: ppm_arch.c:27
#define PPM_PINSEL_BIT
Definition: booz_1.0.h:65
volatile bool_t ppm_frame_available
Definition: ppm.c:28
unsigned long uint32_t
Definition: types.h:18
#define RADIO_CONTROL_NB_CHANNEL
Definition: spektrum_arch.h:36
unsigned char uint8_t
Definition: types.h:14
#define PPM_CCR_CRR
Definition: booz_1.0.h:68
#define PPM_CCR_CRF
Definition: booz_1.0.h:67