sonar_adc.h File Reference

simple driver to deal with one sonar sensor on ADC More...

#include "std.h"

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Data Structures
struct	SonarAdc

Functions
void	sonar_adc_init (void)
void	sonar_adc_read (void)
	Read ADC value to update sonar measurement. More...

Variables
struct SonarAdc	sonar_adc

Detailed Description

simple driver to deal with one sonar sensor on ADC

Definition in file sonar_adc.h.

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Data Structure Documentation

SonarAdc

struct SonarAdc

Definition at line 32 of file sonar_adc.h.

Data Fields
float	distance	Distance measured in meters.
uint16_t	meas	Raw ADC value.
uint16_t	offset	Sonar offset in ADC units.

Function Documentation

sonar_adc_init()

void sonar_adc_init

(

void

)

Definition at line 56 of file sonar_adc.c.

References adc_buf_channel(), DEFAULT_AV_NB_SAMPLE, SonarAdc::meas, SonarAdc::offset, sonar_adc, sonar_adc_buf, and SONAR_OFFSET.

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sonar_adc_read()

void sonar_adc_read

(

void

)

Read ADC value to update sonar measurement.

Definition at line 68 of file sonar_adc.c.

References AGL_SONAR_ADC_ID, adc_buf::av_nb_sample, DefaultChannel, DefaultDevice, SonarAdc::distance, get_sys_time_usec(), SonarAdc::meas, SonarAdc::offset, sonar_adc, sonar_adc_buf, SONAR_SCALE, stateGetPositionEnu_f(), adc_buf::sum, and EnuCoor_f::z.

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Variable Documentation

sonar_adc

struct SonarAdc sonar_adc

extern

Definition at line 1 of file sonar_adc.c.

Referenced by sonar_adc_init(), sonar_adc_read(), and sonar_pwm_read().