tcas.h File Reference

Collision avoidance library. More...

#include "std.h"
#include "subsystems/navigation/traffic_info.h"

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Data Structures
struct	tcas_ac_status

Macros
#define	TCAS_NO_ALARM   0
#define	TCAS_TA   1
#define	TCAS_RA   2
#define	CallTCAS()   { if (tcas_status == TCAS_RA) v_ctl_altitude_setpoint = tcas_alt_setpoint; }
#define	ParseTcasResolve()

Enumerations
enum	tcas_resolve { RA_NONE, RA_LEVEL, RA_CLIMB, RA_DESCEND }

Functions
void	tcas_init (void)
void	tcas_periodic_task_1Hz (void)
void	tcas_periodic_task_4Hz (void)

Variables
float	tcas_alt_setpoint
float	tcas_tau_ta
float	tcas_tau_ra
float	tcas_dmod
float	tcas_alim
uint8_t	tcas_status
enum tcas_resolve	tcas_resolve
uint8_t	tcas_ac_RA
struct tcas_ac_status	tcas_acs_status [NB_ACS]

Detailed Description

Collision avoidance library.

Definition in file tcas.h.

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Data Structure Documentation

struct tcas_ac_status

Definition at line 46 of file tcas.h.

Data Fields
enum tcas_resolve	resolve
uint8_t	status

Macro Definition Documentation

#define CallTCAS

(

)

{ if (tcas_status == TCAS_RA) v_ctl_altitude_setpoint = tcas_alt_setpoint; }

Definition at line 57 of file tcas.h.

Referenced by navigation_task().

#define ParseTcasResolve

(

)

Value:

{ \
    if (DL_TCAS_RESOLVE_ac_id(dl_buffer) == AC_ID) { \
      uint8_t ac_id_conflict = DL_TCAS_RESOLVE_ac_id_conflict(dl_buffer); \
      tcas_acs_status[the_acs_id[ac_id_conflict]].resolve = DL_TCAS_RESOLVE_resolve(dl_buffer); \
    } \
  }

Definition at line 59 of file tcas.h.

#define TCAS_NO_ALARM   0

Definition at line 37 of file tcas.h.

Referenced by tcas_init(), and tcas_periodic_task_1Hz().

#define TCAS_RA   2

Definition at line 39 of file tcas.h.

Referenced by tcas_periodic_task_1Hz(), and tcas_periodic_task_4Hz().

#define TCAS_TA   1

Definition at line 38 of file tcas.h.

Referenced by tcas_periodic_task_1Hz().

Enumeration Type Documentation

enum tcas_resolve

Enumerator
RA_NONE
RA_LEVEL
RA_CLIMB
RA_DESCEND

Definition at line 40 of file tcas.h.

Function Documentation

void tcas_init

(

void

)

Definition at line 71 of file tcas.c.

References NB_ACS, RA_NONE, tcas_ac_status::resolve, tcas_ac_status::status, tcas_ac_RA, tcas_acs_status, tcas_alim, TCAS_ALIM, tcas_alt_setpoint, tcas_dmod, TCAS_DMOD, TCAS_NO_ALARM, tcas_status, tcas_tau_ra, TCAS_TAU_RA, tcas_tau_ta, and TCAS_TAU_TA.

void tcas_periodic_task_1Hz

(

void

)

Definition at line 102 of file tcas.c.

References ac_info_::ac_id, ac_id, ac_info_::alt, UtmCoor_f::alt, ac_info_::climb, ac_info_::course, DefaultChannel, DefaultDevice, ac_info_::east, gps, ac_info_::gspeed, ac_info_::itow, NB_ACS, ac_info_::north, RA_CLIMB, RA_DESCEND, RA_LEVEL, RA_NONE, tcas_ac_status::resolve, stateGetHorizontalSpeedDir_f(), stateGetHorizontalSpeedNorm_f(), stateGetPositionEnu_f(), stateGetPositionUtm_f(), stateGetSpeedEnu_f(), tcas_ac_status::status, tcas_ac_RA, tcas_acs_status, TCAS_DT_MAX, TCAS_HUGE_TAU, TCAS_IsInside, TCAS_NO_ALARM, TCAS_RA, tcas_resolve, tcas_status, TCAS_TA, tcas_tau_ra, tcas_tau_ta, tcas_test_direction(), the_acs, the_acs_id, GpsState::tow, EnuCoor_f::x, EnuCoor_f::y, and EnuCoor_f::z.

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void tcas_periodic_task_4Hz

(

void

)

Definition at line 219 of file tcas.c.

References ac_info_::alt, get_ac_info(), Max, Min, nav_altitude, RA_CLIMB, RA_DESCEND, RA_LEVEL, RA_NONE, stateGetPositionUtm_f(), tcas_ac_RA, tcas_alim, tcas_alt_setpoint, TCAS_RA, and tcas_status.

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Variable Documentation

uint8_t tcas_ac_RA

Definition at line 43 of file tcas.c.

Referenced by tcas_init(), tcas_periodic_task_1Hz(), and tcas_periodic_task_4Hz().

struct tcas_ac_status tcas_acs_status[NB_ACS]

Definition at line 44 of file tcas.c.

Referenced by dl_parse_msg(), tcas_init(), and tcas_periodic_task_1Hz().

float tcas_alim

Definition at line 39 of file tcas.c.

Referenced by tcas_init(), tcas_periodic_task_4Hz(), and tcas_test_direction().

float tcas_alt_setpoint

Definition at line 38 of file tcas.c.

Referenced by tcas_init(), and tcas_periodic_task_4Hz().

float tcas_dmod

Definition at line 39 of file tcas.c.

Referenced by tcas_init().

enum tcas_resolve tcas_resolve

Definition at line 42 of file tcas.c.

Referenced by tcas_periodic_task_1Hz().

uint8_t tcas_status

Definition at line 41 of file tcas.c.

Referenced by tcas_init(), tcas_periodic_task_1Hz(), and tcas_periodic_task_4Hz().

float tcas_tau_ra

Definition at line 39 of file tcas.c.

Referenced by tcas_init(), and tcas_periodic_task_1Hz().

float tcas_tau_ta

Definition at line 39 of file tcas.c.

Referenced by tcas_init(), and tcas_periodic_task_1Hz().