Paparazzi UAS  v7.0_unstable
Paparazzi is a free software Unmanned Aircraft System.
pwm_input.c
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1 /*
2  * Copyright (C) 2011 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  */
22 
26 #include "std.h"
27 #include "mcu_periph/pwm_input.h"
28 
32 };
33 
38 
40 {
41  return pwm_input_duty_tics[channel] / pwm_input_ticks_per_usec[channel];
42 }
43 
45 {
46  return pwm_input_period_tics[channel] / pwm_input_ticks_per_usec[channel];
47 }
48 
@ PWM_INPUT_NB
#define PWM_INPUT2_TICKS_PER_USEC
#define PWM_INPUT1_TICKS_PER_USEC
The default pwm counter is set-up to have 1/6 us resolution.
volatile uint32_t pwm_input_duty_tics[PWM_INPUT_NB]
Definition: pwm_input.c:34
volatile uint8_t pwm_input_period_valid[PWM_INPUT_NB]
Definition: pwm_input.c:37
static const uint32_t pwm_input_ticks_per_usec[]
Definition: pwm_input.c:29
uint32_t get_pwm_input_duty_in_usec(uint32_t channel)
Definition: pwm_input.c:39
volatile uint8_t pwm_input_duty_valid[PWM_INPUT_NB]
Definition: pwm_input.c:35
volatile uint32_t pwm_input_period_tics[PWM_INPUT_NB]
Definition: pwm_input.c:36
uint32_t get_pwm_input_period_in_usec(uint32_t channel)
Definition: pwm_input.c:44
arch independent PWM input capture API
unsigned int uint32_t
Typedef defining 32 bit unsigned int type.
Definition: vl53l1_types.h:78
unsigned char uint8_t
Typedef defining 8 bit unsigned char type.
Definition: vl53l1_types.h:98