Paparazzi specific wrapper to run MEKF-Wind INS filter. More...

#include "modules/ins/ins_mekf_wind_wrapper.h"
#include "modules/ins/ins_mekf_wind.h"
#include "subsystems/ahrs/ahrs_float_utils.h"
#include "subsystems/ahrs/ahrs_aligner.h"
#include "subsystems/ins.h"
#include "subsystems/abi.h"
#include "math/pprz_isa.h"
#include "state.h"
#include "generated/airframe.h"
#include "generated/flight_plan.h"
#include "subsystems/datalink/telemetry.h"
#include "mcu_periph/sys_time.h"

Include dependency graph for ins_mekf_wind_wrapper.c:

Go to the source code of this file.

Macros
#define	MEKF_WIND_USE_UTM TRUE

#define	INS_MEKF_WIND_FILTER_ID 3

#define	INS_MEKF_WIND_AIRSPEED_ID ABI_BROADCAST
	airspeed (Pitot tube) More...

#define	INS_MEKF_WIND_INCIDENCE_ID ABI_BROADCAST
	incidence angles More...

#define	INS_MEKF_WIND_BARO_ID ABI_BROADCAST
	baro More...

#define	INS_MEKF_WIND_IMU_ID ABI_BROADCAST
	IMU (gyro, accel) More...

#define	INS_MEKF_WIND_MAG_ID ABI_BROADCAST
	magnetometer More...

#define	INS_MEKF_WIND_GPS_ID GPS_MULTI_ID
	ABI binding for gps data. More...

Functions
static void	set_state_from_ins (void)
	update state interface More...

static void	send_euler (struct transport_tx trans, struct link_device dev)
	logging functions More...

static void	send_wind (struct transport_tx trans, struct link_device dev)

static void	send_filter_status (struct transport_tx trans, struct link_device dev)

static void	send_inv_filter (struct transport_tx trans, struct link_device dev)

static void	baro_cb (uint8_t sender_id, float pressure)

static void	pressure_diff_cb (uint8_t sender_id, float pdyn)

static void	airspeed_cb (uint8_t sender_id, float airspeed)

static void	incidence_cb (uint8_t sender_id, uint8_t flag, float aoa, float sideslip)

static void	gyro_cb (uint8_t sender_id, uint32_t stamp, struct Int32Rates *gyro)
	Call ins_mekf_wind_propagate on new gyro measurements. More...

static void	accel_cb (uint8_t sender_id, uint32_t stamp, struct Int32Vect3 *accel)

static void	mag_cb (uint8_t sender_id, uint32_t stamp, struct Int32Vect3 *mag)

static void	aligner_cb (uint8_t sender_id, uint32_t stamp, struct Int32Rates lp_gyro, struct Int32Vect3 lp_accel, struct Int32Vect3 *lp_mag)

static void	body_to_imu_cb (uint8_t sender_id, struct FloatQuat *q_b2i)

static void	geo_mag_cb (uint8_t sender_id, struct FloatVect3 *h)

static void	gps_cb (uint8_t sender_id, uint32_t stamp, struct GpsState *gps_s)

void	ins_mekf_wind_wrapper_init (void)
	Init function. More...

void	ins_reset_local_origin (void)
	local implemetation of the ins_reset functions More...

void	ins_reset_altitude_ref (void)
	INS altitude reference reset. More...

Variables
struct InsMekfWind	ins_mekf_wind

static struct FloatVect3	ins_mekf_wind_accel
	last accel measurement More...

static uint32_t	last_imu_stamp = 0

static abi_event	pressure_diff_ev

static abi_event	airspeed_ev

static abi_event	incidence_ev

static abi_event	baro_ev

static abi_event	mag_ev

static abi_event	gyro_ev

static abi_event	accel_ev

static abi_event	aligner_ev

static abi_event	body_to_imu_ev

static abi_event	geo_mag_ev

static abi_event	gps_ev

Detailed Description

Paparazzi specific wrapper to run MEKF-Wind INS filter.

Definition in file ins_mekf_wind_wrapper.c.

Macro Definition Documentation

#define INS_MEKF_WIND_AIRSPEED_ID ABI_BROADCAST

airspeed (Pitot tube)

Definition at line 160 of file ins_mekf_wind_wrapper.c.

Referenced by ins_mekf_wind_wrapper_init().

#define INS_MEKF_WIND_BARO_ID ABI_BROADCAST

baro

Definition at line 175 of file ins_mekf_wind_wrapper.c.

Referenced by ins_mekf_wind_wrapper_init().

#define INS_MEKF_WIND_FILTER_ID 3

Definition at line 47 of file ins_mekf_wind_wrapper.c.

Referenced by send_euler(), and send_filter_status().

#define INS_MEKF_WIND_GPS_ID GPS_MULTI_ID

ABI binding for gps data.

Used for GPS ABI messages.

Definition at line 196 of file ins_mekf_wind_wrapper.c.

Referenced by ins_mekf_wind_wrapper_init().

#define INS_MEKF_WIND_IMU_ID ABI_BROADCAST

IMU (gyro, accel)

Definition at line 182 of file ins_mekf_wind_wrapper.c.

Referenced by ins_mekf_wind_wrapper_init().

#define INS_MEKF_WIND_INCIDENCE_ID ABI_BROADCAST

incidence angles

Definition at line 166 of file ins_mekf_wind_wrapper.c.

Referenced by ins_mekf_wind_wrapper_init().

#define INS_MEKF_WIND_MAG_ID ABI_BROADCAST

magnetometer

Definition at line 188 of file ins_mekf_wind_wrapper.c.

Referenced by ins_mekf_wind_wrapper_init().

#define MEKF_WIND_USE_UTM TRUE

Definition at line 41 of file ins_mekf_wind_wrapper.c.

Function Documentation

static void accel_cb	(	uint8_t	sender_id,
		uint32_t	stamp,
		struct Int32Vect3 *	accel
	)

static

Definition at line 381 of file ins_mekf_wind_wrapper.c.

References ACCELS_FLOAT_OF_BFP, InsMekfWind::body_to_imu, float_rmat_transp_vmult(), ins_mekf_wind, ins_mekf_wind_accel, and orientationGetRMat_f().

Referenced by ins_mekf_wind_wrapper_init().

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static void airspeed_cb	(	uint8_t	sender_id,
		float	airspeed
	)

static

Definition at line 269 of file ins_mekf_wind_wrapper.c.

References get_sys_time_float(), ins_mekf_wind, ins_mekf_wind_update_airspeed(), InsMekfWind::is_aligned, pprzLogFile, and tas_from_eas().

Referenced by ins_mekf_wind_wrapper_init().

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static void aligner_cb	(	uint8_t	sender_id,
		uint32_t	stamp,
		struct Int32Rates *	lp_gyro,
		struct Int32Vect3 *	lp_accel,
		struct Int32Vect3 *	lp_mag
	)

static

Definition at line 416 of file ins_mekf_wind_wrapper.c.

References ACCELS_FLOAT_OF_BFP, ahrs_float_get_quat_from_accel_mag(), InsMekfWind::body_to_imu, float_rmat_transp_ratemult(), float_rmat_transp_vmult(), ins_mekf_wind, ins_mekf_wind_align(), InsMekfWind::is_aligned, MAGS_FLOAT_OF_BFP, orientationGetRMat_f(), RATES_FLOAT_OF_BFP, and set_state_from_ins().

Referenced by ins_mekf_wind_wrapper_init().

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static void baro_cb	(	uint8_t	sender_id,
		float	pressure
	)

static

Definition at line 213 of file ins_mekf_wind_wrapper.c.

References alpha, InsMekfWind::baro_initialized, get_sys_time_float(), InsMekfWind::gps_initialized, ins_mekf_wind, ins_mekf_wind_update_baro(), InsMekfWind::is_aligned, pprz_isa_height_of_pressure(), PPRZ_ISA_SEA_LEVEL_PRESSURE, and pprzLogFile.

Referenced by ins_mekf_wind_wrapper_init().

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static void body_to_imu_cb	(	uint8_t	sender_id,
		struct FloatQuat *	q_b2i
	)

static

Definition at line 447 of file ins_mekf_wind_wrapper.c.

References InsMekfWind::body_to_imu, ins_mekf_wind, ins_mekf_wind_set_quat(), InsMekfWind::is_aligned, and orientationSetQuat_f().

Referenced by ins_mekf_wind_wrapper_init().

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static void geo_mag_cb	(	uint8_t	sender_id,
		struct FloatVect3 *	h
	)

static

Definition at line 457 of file ins_mekf_wind_wrapper.c.

References ins_mekf_wind_set_mag_h().

Referenced by ins_mekf_wind_wrapper_init().

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static void gps_cb	(	uint8_t	sender_id,
		uint32_t	stamp,
		struct GpsState *	gps_s
	)

static

Definition at line 462 of file ins_mekf_wind_wrapper.c.

References UtmCoor_f::alt, UtmCoor_f::east, ECEF_FLOAT_OF_BFP, GpsState::ecef_pos, GpsState::ecef_vel, GpsState::fix, get_sys_time_float(), GPS_FIX_3D, InsMekfWind::gps_initialized, ins_mekf_wind, ins_mekf_wind_set_pos_ned(), ins_mekf_wind_set_speed_ned(), ins_mekf_wind_update_pos_speed(), INT32_POS_OF_CM_DEN, INT32_POS_OF_CM_NUM, INT32_VECT3_SCALE_2, InsMekfWind::is_aligned, nav_utm_zone0, NED_FLOAT_OF_BFP, State::ned_initialized_f, ned_of_ecef_point_i(), ned_of_ecef_vect_f(), State::ned_origin_f, State::ned_origin_i, GpsState::ned_vel, UtmCoor_f::north, pprzLogFile, state, utm_float_from_gps(), State::utm_initialized_f, State::utm_origin_f, FloatVect3::x, NedCoor_i::x, FloatVect3::y, NedCoor_i::y, FloatVect3::z, and NedCoor_i::z.

Referenced by ins_mekf_wind_wrapper_init().

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static void gyro_cb	(	uint8_t	sender_id,
		uint32_t	stamp,
		struct Int32Rates *	gyro
	)

static

Call ins_mekf_wind_propagate on new gyro measurements.

Since acceleration measurement is also needed for propagation, use the last stored accel from #ins_mekfw_accel.

Definition at line 300 of file ins_mekf_wind_wrapper.c.

Referenced by ins_mekf_wind_wrapper_init().

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static void incidence_cb	(	uint8_t	sender_id,
		uint8_t	flag,
		float	aoa,
		float	sideslip
	)

static

Definition at line 282 of file ins_mekf_wind_wrapper.c.

References get_sys_time_float(), ins_mekf_wind, ins_mekf_wind_update_incidence(), InsMekfWind::is_aligned, and pprzLogFile.

Referenced by ins_mekf_wind_wrapper_init().

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void ins_mekf_wind_wrapper_init ( void )

Init function.

Definition at line 546 of file ins_mekf_wind_wrapper.c.

References ABI_BROADCAST, accel_cb(), accel_ev, ahrs_aligner_init(), airspeed_cb(), airspeed_ev, aligner_cb(), aligner_ev, LlaCoor_i::alt, UtmCoor_f::alt, baro_cb(), baro_ev, InsMekfWind::baro_initialized, body_to_imu_cb(), body_to_imu_ev, counter, DefaultPeriodic, UtmCoor_f::east, ecef_of_lla_i(), geo_mag_cb(), geo_mag_ev, gps_cb(), gps_ev, InsMekfWind::gps_initialized, gyro_cb(), gyro_ev, LtpDef_i::hmsl, incidence_cb(), incidence_ev, ins_mekf_wind, INS_MEKF_WIND_AIRSPEED_ID, INS_MEKF_WIND_BARO_ID, INS_MEKF_WIND_GPS_ID, INS_MEKF_WIND_IMU_ID, INS_MEKF_WIND_INCIDENCE_ID, ins_mekf_wind_init(), INS_MEKF_WIND_MAG_ID, ins_mekf_wind_set_mag_h(), InsMekfWind::is_aligned, LlaCoor_i::lat, LlaCoor_i::lon, ltp_def_from_ecef_i(), mag_cb(), mag_ev, nav_utm_east0, nav_utm_north0, nav_utm_zone0, UtmCoor_f::north, pprzLogFile, pressure_diff_cb(), pressure_diff_ev, register_periodic_telemetry(), InsMekfWind::reset, send_euler(), send_filter_status(), send_inv_filter(), send_wind(), stateSetLocalOrigin_i(), stateSetLocalUtmOrigin_f(), stateSetPositionUtm_f(), and UtmCoor_f::zone.

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void ins_reset_altitude_ref ( void )

INS altitude reference reset.

Reset only vertical reference to the current altitude. Does nothing if not implemented by specific INS algorithm.

Definition at line 648 of file ins_mekf_wind_wrapper.c.

Referenced by nav_reset_alt().

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void ins_reset_local_origin ( void )

local implemetation of the ins_reset functions

INS local origin reset.

Definition at line 632 of file ins_mekf_wind_wrapper.c.

Referenced by nav_reset_reference().

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static void mag_cb	(	uint8_t	sender_id,
		uint32_t	stamp,
		struct Int32Vect3 *	mag
	)

static

Definition at line 392 of file ins_mekf_wind_wrapper.c.

References InsMekfWind::body_to_imu, float_rmat_transp_vmult(), get_sys_time_float(), InsMekfWind::gps_initialized, ins_mekf_wind, ins_mekf_wind_update_mag(), InsMekfWind::is_aligned, MAGS_FLOAT_OF_BFP, orientationGetRMat_f(), pprzLogFile, FloatVect3::x, FloatVect3::y, and FloatVect3::z.

Referenced by ins_mekf_wind_wrapper_init().

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static void pressure_diff_cb	(	uint8_t	sender_id,
		float	pdyn
	)

static

Definition at line 255 of file ins_mekf_wind_wrapper.c.

References get_sys_time_float(), ins_mekf_wind, ins_mekf_wind_update_airspeed(), InsMekfWind::is_aligned, pprzLogFile, and tas_from_dynamic_pressure().

Referenced by ins_mekf_wind_wrapper_init().

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static void send_euler	(	struct transport_tx *	trans,
		struct link_device *	dev
	)

static

logging functions

telemetry functions

Definition at line 78 of file ins_mekf_wind_wrapper.c.

References float_eulers_of_quat(), INS_MEKF_WIND_FILTER_ID, ins_mekf_wind_get_quat(), FloatEulers::phi, FloatEulers::psi, and FloatEulers::theta.

Referenced by ins_mekf_wind_wrapper_init().

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static void send_filter_status	(	struct transport_tx *	trans,
		struct link_device *	dev
	)

static

Definition at line 102 of file ins_mekf_wind_wrapper.c.

References InsMekfWind::baro_initialized, get_sys_time_usec(), InsMekfWind::gps_initialized, ins_mekf_wind, INS_MEKF_WIND_FILTER_ID, InsMekfWind::is_aligned, last_imu_stamp, and val.

Referenced by ins_mekf_wind_wrapper_init().

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static void send_inv_filter	(	struct transport_tx *	trans,
		struct link_device *	dev
	)

static

Definition at line 120 of file ins_mekf_wind_wrapper.c.

References float_eulers_of_quat(), ins_mekf_wind_get_accel_bias(), ins_mekf_wind_get_airspeed_norm(), ins_mekf_wind_get_pos_ned(), ins_mekf_wind_get_quat(), ins_mekf_wind_get_rates_bias(), ins_mekf_wind_get_speed_ned(), FloatRates::p, FloatEulers::phi, FloatEulers::psi, FloatRates::q, FloatQuat::qi, FloatRates::r, FloatEulers::theta, FloatVect3::x, NedCoor_f::x, FloatVect3::y, NedCoor_f::y, FloatVect3::z, and NedCoor_f::z.

Referenced by ins_mekf_wind_wrapper_init().

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static void send_wind	(	struct transport_tx *	trans,
		struct link_device *	dev
	)

static

Definition at line 91 of file ins_mekf_wind_wrapper.c.

References ENU_OF_TO_NED, ins_mekf_wind_get_airspeed_norm(), ins_mekf_wind_get_wind_ned(), EnuCoor_f::x, EnuCoor_f::y, and EnuCoor_f::z.

Referenced by ins_mekf_wind_wrapper_init().

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static void set_state_from_ins ( void )

static

update state interface

Set current state (ltp to body orientation/rates and ned pos/speed/accel.

Definition at line 525 of file ins_mekf_wind_wrapper.c.

References ins_mekf_wind_get_accel_ned(), ins_mekf_wind_get_body_rates(), ins_mekf_wind_get_pos_ned(), ins_mekf_wind_get_quat(), ins_mekf_wind_get_speed_ned(), stateSetAccelNed_f(), stateSetBodyRates_f(), stateSetNedToBodyQuat_f(), stateSetPositionNed_f(), and stateSetSpeedNed_f().

Referenced by aligner_cb(), and gyro_cb().

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Variable Documentation

abi_event accel_ev

static

Definition at line 206 of file ins_mekf_wind_wrapper.c.

Referenced by ins_mekf_wind_wrapper_init().

abi_event airspeed_ev

static

Definition at line 201 of file ins_mekf_wind_wrapper.c.

Referenced by ins_mekf_wind_wrapper_init().

abi_event aligner_ev

static

Definition at line 207 of file ins_mekf_wind_wrapper.c.

Referenced by ins_mekf_wind_wrapper_init().

abi_event baro_ev

static

Definition at line 203 of file ins_mekf_wind_wrapper.c.

Referenced by ins_mekf_wind_wrapper_init().

abi_event body_to_imu_ev

static

Definition at line 208 of file ins_mekf_wind_wrapper.c.

Referenced by ins_mekf_wind_wrapper_init().

abi_event geo_mag_ev

static

Definition at line 209 of file ins_mekf_wind_wrapper.c.

Referenced by ins_mekf_wind_wrapper_init().

abi_event gps_ev

static

Definition at line 210 of file ins_mekf_wind_wrapper.c.

Referenced by ins_mekf_wind_wrapper_init().

abi_event gyro_ev

static

Definition at line 205 of file ins_mekf_wind_wrapper.c.

Referenced by ins_mekf_wind_wrapper_init().

abi_event incidence_ev

static

Definition at line 202 of file ins_mekf_wind_wrapper.c.

Referenced by ins_mekf_wind_wrapper_init().

struct InsMekfWind ins_mekf_wind

Definition at line 50 of file ins_mekf_wind_wrapper.c.

Referenced by accel_cb(), airspeed_cb(), aligner_cb(), baro_cb(), body_to_imu_cb(), gps_cb(), gyro_cb(), incidence_cb(), ins_mekf_wind_wrapper_init(), mag_cb(), pressure_diff_cb(), and send_filter_status().

struct FloatVect3 ins_mekf_wind_accel

static

last accel measurement

Definition at line 53 of file ins_mekf_wind_wrapper.c.

Referenced by accel_cb(), and gyro_cb().

uint32_t last_imu_stamp = 0

static

Definition at line 54 of file ins_mekf_wind_wrapper.c.

Referenced by gyro_cb(), and send_filter_status().

abi_event mag_ev

static

Definition at line 204 of file ins_mekf_wind_wrapper.c.

Referenced by ins_mekf_wind_wrapper_init().

abi_event pressure_diff_ev

static

Definition at line 200 of file ins_mekf_wind_wrapper.c.

Referenced by ins_mekf_wind_wrapper_init().

Macros

Functions

Variables

Detailed Description

Macro Definition Documentation

Function Documentation

Variable Documentation