guidance_OA.h File Reference

Guidance for the obstacle avoidance methods. More...

#include "std.h"
#include "modules/computer_vision/lib/v4l/v4l2.h"
#include "math/pprz_algebra_int.h"

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Data Structures
struct	opticflow_stab_t

Enumerations
enum	oa_method {   NO_OBSTACLE_AVOIDANCE, PINGPONG, POT_HEADING, POT_VEL,   VECTOR, SAFETYZONE, LOGICBASED }

Functions
void	guidance_h_module_init (void)
	Initialization of horizontal guidance module. More...
void	guidance_h_module_enter (void)
	Horizontal guidance mode enter resets the errors and starts the controller. More...
void	guidance_h_module_read_rc (void)
	Read the RC commands. More...
void	guidance_h_module_run (bool_t in_flight)
	Main guidance loop. More...
void	OA_update (void)
	Update the controls based on a vision result. More...

Variables
struct opticflow_stab_t	opticflow_stab
int8_t	filter_flag
int8_t	repulsionforce_filter_flag
oa_method	OA_method_flag
int8_t	opti_speed_flag
float	vref_max
float	ref_pitch
float	ref_roll
float	r_dot_new
float	speed_pot

Detailed Description

Guidance for the obstacle avoidance methods.

Definition in file guidance_OA.h.

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Data Structure Documentation

struct opticflow_stab_t

Definition at line 37 of file guidance_opticflow_hover.h.

Collaboration diagram for opticflow_stab_t:

Data Fields
struct Int32Eulers	cmd	The commands that are send to the hover loop.
float	desired_vx	The desired velocity in the x direction (cm/s)
float	desired_vy	The desired velocity in the y direction (cm/s)
float	err_vx_int	The integrated velocity error in x direction (m/s)
float	err_vy_int	The integrated velocity error in y direction (m/s)
int32_t	phi_igain	The roll I gain on the err_vx_int.
int32_t	phi_pgain	The roll P gain on the err_vx.
int32_t	theta_igain	The pitch I gain on the err_vy_int.
int32_t	theta_pgain	The pitch P gain on the err_vy.

Enumeration Type Documentation

enum oa_method

Enumerator
NO_OBSTACLE_AVOIDANCE
PINGPONG
POT_HEADING
POT_VEL
VECTOR
SAFETYZONE
LOGICBASED

Definition at line 52 of file guidance_OA.h.

Function Documentation

void guidance_h_module_enter

(

void

)

Horizontal guidance mode enter resets the errors and starts the controller.

Definition at line 85 of file ctrl_module_demo.c.

References opticflow_stab_t::cmd, ctrl_module_init(), opticflow_stab_t::err_vx_int, opticflow_stab_t::err_vy_int, Int32Eulers::phi, Int32Eulers::psi, stateGetNedToBodyEulers_i(), and Int32Eulers::theta.

Referenced by guidance_h_mode_changed().

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void guidance_h_module_init

(

void

)

Initialization of horizontal guidance module.

Definition at line 80 of file ctrl_module_demo.c.

References ctrl_module_init(), stabilization_opticflow_vel_cb(), and VISION_VELOCITY_ESTIMATE_ID.

Referenced by guidance_h_init().

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void guidance_h_module_read_rc

(

void

)

Read the RC commands.

Definition at line 90 of file ctrl_module_demo.c.

References ctrl_module_demo, radio_control, RADIO_PITCH, RADIO_ROLL, RADIO_THROTTLE, RADIO_YAW, ctrl_module_demo_struct::rc_t, ctrl_module_demo_struct::rc_x, ctrl_module_demo_struct::rc_y, ctrl_module_demo_struct::rc_z, and RadioControl::values.

Referenced by guidance_h_read_rc().

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void guidance_h_module_run

(

bool_t

in_flight

)

Main guidance loop.

Parameters

[in]

in_flight

Whether we are in flight or not

Definition at line 99 of file ctrl_module_demo.c.

References opticflow_stab_t::cmd, ctrl_module_run(), OA_update(), stabilization_attitude_run(), and stabilization_attitude_set_rpy_setpoint_i().

Referenced by guidance_h_run().

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void OA_update

(

void

)

Update the controls based on a vision result.

Parameters

[in]

*result

The opticflow calculation result used for control

Definition at line 189 of file guidance_OA.c.

References ANGLE_BFP_OF_REAL, opticflow_stab_t::cmd, CMD_OF_SAT, opticflow_stab_t::desired_vx, opticflow_stab_t::desired_vy, opticflow_stab_t::err_vx_int, opticflow_stab_t::err_vy_int, INT32_ANGLE_NORMALIZE, LOGICBASED, NO_OBSTACLE_AVOIDANCE, opti_speed_read, Int32Eulers::phi, opticflow_stab_t::phi_igain, opticflow_stab_t::phi_pgain, PINGPONG, POT_HEADING, FloatEulers::psi, Int32Eulers::psi, r_dot_new, ref_pitch, ref_roll, SAFETYZONE, speed_pot, stateGetNedToBodyEulers_f(), stateGetNedToBodyEulers_i(), stateGetSpeedNed_f(), Int32Eulers::theta, opticflow_stab_t::theta_igain, opticflow_stab_t::theta_pgain, Total_Kan_x, Total_Kan_y, FloatVect2::x, NedCoor_f::x, FloatVect2::y, NedCoor_f::y, and yaw_rate.

Referenced by guidance_h_module_run().

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Variable Documentation

int8_t filter_flag

Definition at line 93 of file guidance_OA.c.

oa_method OA_method_flag

Definition at line 96 of file guidance_OA.c.

Referenced by CN_calculate_target(), and serial_update().

int8_t opti_speed_flag

Definition at line 98 of file guidance_OA.c.

struct opticflow_stab_t opticflow_stab

Definition at line 90 of file guidance_opticflow_hover.c.

float r_dot_new

Definition at line 107 of file guidance_OA.c.

Referenced by CN_potential_heading(), CN_potential_velocity(), and OA_update().

float ref_pitch

Definition at line 103 of file guidance_OA.c.

float ref_roll

Definition at line 104 of file guidance_OA.c.

int8_t repulsionforce_filter_flag

Definition at line 94 of file guidance_OA.c.

Referenced by CN_vector_escape_velocity(), and CN_vector_velocity().

float speed_pot

Definition at line 110 of file guidance_OA.c.

Referenced by CN_escape_velocity(), CN_potential_heading(), CN_potential_velocity(), CN_vector_escape_velocity(), and OA_update().

float vref_max

Definition at line 99 of file guidance_OA.c.

Referenced by CN_escape_velocity(), CN_potential_heading(), CN_potential_velocity(), and CN_vector_escape_velocity().