Paparazzi UAS
v7.0_unstable
Paparazzi is a free software Unmanned Aircraft System.
pwm_input.c
Go to the documentation of this file.
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/*
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* Copyright (C) 2011 The Paparazzi Team
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*
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* This file is part of paparazzi.
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*
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* paparazzi is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* paparazzi is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with paparazzi; see the file COPYING. If not, write to
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* the Free Software Foundation, 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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*/
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#include "
std.h
"
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#include "
mcu_periph/pwm_input.h
"
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static
const
uint32_t
pwm_input_ticks_per_usec
[] = {
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PWM_INPUT1_TICKS_PER_USEC
,
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PWM_INPUT2_TICKS_PER_USEC
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};
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volatile
uint32_t
pwm_input_duty_tics
[
PWM_INPUT_NB
];
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volatile
uint8_t
pwm_input_duty_valid
[
PWM_INPUT_NB
];
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volatile
uint32_t
pwm_input_period_tics
[
PWM_INPUT_NB
];
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volatile
uint8_t
pwm_input_period_valid
[
PWM_INPUT_NB
];
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uint32_t
get_pwm_input_duty_in_usec
(
uint32_t
channel)
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{
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return
pwm_input_duty_tics
[channel] /
pwm_input_ticks_per_usec
[channel];
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}
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uint32_t
get_pwm_input_period_in_usec
(
uint32_t
channel)
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{
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return
pwm_input_period_tics
[channel] /
pwm_input_ticks_per_usec
[channel];
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}
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PWM_INPUT_NB
@ PWM_INPUT_NB
Definition:
pwm_input_arch.h:38
PWM_INPUT2_TICKS_PER_USEC
#define PWM_INPUT2_TICKS_PER_USEC
Definition:
pwm_input_arch.h:57
PWM_INPUT1_TICKS_PER_USEC
#define PWM_INPUT1_TICKS_PER_USEC
The default pwm counter is set-up to have 1/6 us resolution.
Definition:
pwm_input_arch.h:53
pwm_input_duty_tics
volatile uint32_t pwm_input_duty_tics[PWM_INPUT_NB]
Definition:
pwm_input.c:34
pwm_input_period_valid
volatile uint8_t pwm_input_period_valid[PWM_INPUT_NB]
Definition:
pwm_input.c:37
pwm_input_ticks_per_usec
static const uint32_t pwm_input_ticks_per_usec[]
Definition:
pwm_input.c:29
get_pwm_input_duty_in_usec
uint32_t get_pwm_input_duty_in_usec(uint32_t channel)
Definition:
pwm_input.c:39
pwm_input_duty_valid
volatile uint8_t pwm_input_duty_valid[PWM_INPUT_NB]
Definition:
pwm_input.c:35
pwm_input_period_tics
volatile uint32_t pwm_input_period_tics[PWM_INPUT_NB]
Definition:
pwm_input.c:36
get_pwm_input_period_in_usec
uint32_t get_pwm_input_period_in_usec(uint32_t channel)
Definition:
pwm_input.c:44
pwm_input.h
arch independent PWM input capture API
std.h
uint32_t
unsigned int uint32_t
Typedef defining 32 bit unsigned int type.
Definition:
vl53l1_types.h:78
uint8_t
unsigned char uint8_t
Typedef defining 8 bit unsigned char type.
Definition:
vl53l1_types.h:98
sw
airborne
mcu_periph
pwm_input.c
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