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GLAST/LAT > DAQ and FSW > FSW > Doxygen Index > LIM / V1-20-0

Constituent: lim     Tag: rad750

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LIM_sc.c File Reference

Handle the interface with the spacecraft. More...

#include "string.h"
#include "LIM/LIM_cmddefs.h"
#include "LIM/LIM_pubdefs.h"
#include "LIM/LIM_msgs.h"
#include "LIM/LIM_tlmdefs.h"
#include "LIM/LIM_SC_cmddefs.h"
#include "PBS/MBA.h"
#include "PBS/WCT.h"
#include "PBS/WUT.h"
#include "LIM_action.h"
#include "LIM_bulk.h"
#include "LIM_pkt_send.h"
#include "LIM_sc.h"
#include "LIM_task.h"

Include dependency graph for LIM_sc.c:

Data Structures
struct	_LIM_Sc
	State information for a spacecraft interface object. More...
Defines
#define	LIM_SC_VALID_KEY   (('L'<<24)+('S'<<16)+('C'<<8)+'I')
	Value indicating the spacecraft interface object state is valid.
#define	LIM_APID_SC_SLEW_REQ   (0x600)
Functions
static unsigned int	lim_sc_check (LIM_Sc *object_p)
	Validate a spacecraft interface object pointer.
static unsigned int	lim_sc_change_state (LIM_Sc *object_p, int new_pending, int new_active, unsigned int new_start_sec)
	Change the PENDING, ACTIVE, and START_SEC values for an object.
static WUT_cb_status	lim_sc_wut_handler (void *prm, WUT_tmr *wut)
	Handle wake-up timer expiration.
unsigned int	LIM_sc_new (LIM_Sc **object_pp, LIM_Task *task_p, LIM_Bulk *bulk_p, LIM_Action *action_p, LIM_Pkt_Send *pkt_slew_req_cmd_p, LIM_Pkt_Send *pkt_slew_req_tlm_p, LIM_Pkt_Send *pkt_slew_rsp_tlm_p)
	Create and initialize a new spacecraft interface object.
unsigned int	LIM_sc_delete (LIM_Sc *object_p)
	Shutdown and delete a spacecraft interface object.
int	LIM_sc_rep_is_active (LIM_Sc *object_p)
	Return the ACTIVE status of a repoint.
int	LIM_sc_rep_req_is_pending (LIM_Sc *object_p)
	Return the PENDING status of a repoint request.
unsigned int	LIM_sc_remain_sec (LIM_Sc *object_p)
	Return the number of seconds remaining in a repoint period.
static unsigned int	lim_sc_expire (LIM_Sc *object_p)
	End a repoint period.
unsigned int	LIM_sc_handle_bulk (LIM_Sc *object_p, const ITC_QueueItem *qitem_p)
	Handle a message on the BULK queue.
unsigned int	LIM_sc_handle_grb_idle (LIM_Sc *object_p)
	Handle a transition to the GRB-Idle state.
unsigned int	LIM_sc_send_slew_request (LIM_Sc *object_p, LIM_Action_Id action, unsigned int tran_id, unsigned int dwell_time, double ra, double dec)
	Send a Slew-Request command to the spacecraft.
unsigned int	LIM_sc_handle_slew_response (LIM_Sc *object_p, const ITC_QueueItem *qitem_p)
	Handle a Slew-Request-Reply message.

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Detailed Description

Handle the interface with the spacecraft.

**  CVS $Id: LIM_sc.c,v 1.14 2008/08/30 00:42:16 dmay Exp $
**  

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Function Documentation

unsigned int lim_sc_change_state (  LIM_Sc *  object_p, int  new_pending, int  new_active, unsigned int  new_start_sec )  [static]

Change the PENDING, ACTIVE, and START_SEC values for an object. Parameters: object_p  Pointer to spacecraft interface object. new_pending  New PENDING status. new_active  New ACTIVE status. new_start_sec  New START_SEC value. Returns: MSG code.

unsigned int lim_sc_check (  LIM_Sc *  object_p  )  [static]

Validate a spacecraft interface object pointer. Parameters: object_p  Pointer to spacecraft interface object. Returns: MSG code.

unsigned int LIM_sc_delete (  LIM_Sc *  object_p  )

Shutdown and delete a spacecraft interface object. Parameters: object_p  Pointer to object. Returns: MSG code.

unsigned int lim_sc_expire (  LIM_Sc *  object_p  )  [static]

End a repoint period. Parameters: object_p  Pointer to spacecraft interface object. Returns: MSG code.

unsigned int LIM_sc_handle_bulk (  LIM_Sc *  object_p, const ITC_QueueItem *  qitem_p )

Handle a message on the BULK queue. Parameters: object_p  Pointer to spacecraft interface object. qitem_p  Pointer to queue item containing the message. Returns: MSG code.

unsigned int LIM_sc_handle_grb_idle (  LIM_Sc *  object_p  )

Handle a transition to the GRB-Idle state. Parameters: object_p  Pointer to spacecraft interface object. Returns: MSG code.

unsigned int LIM_sc_handle_slew_response (  LIM_Sc *  object_p, const ITC_QueueItem *  qitem_p )

Handle a Slew-Request-Reply message. Parameters: object_p  Pointer to spacecraft interface object. qitem_p  Pointer to queue item containing the message. Returns: MSG code.

unsigned int LIM_sc_new (  LIM_Sc **  object_pp, LIM_Task *  task_p, LIM_Bulk *  bulk_p, LIM_Action *  action_p, LIM_Pkt_Send *  pkt_slew_req_cmd_p, LIM_Pkt_Send *  pkt_slew_req_tlm_p, LIM_Pkt_Send *  pkt_slew_rsp_tlm_p )

Create and initialize a new spacecraft interface object. Parameters: object_pp  Location to return pointer to new object. task_p  Ptr to a task object. bulk_p  Ptr to a bulk queue object. action_p  Ptr to an action reporting object. pkt_slew_req_cmd_p  Ptr to Slew-Request cmd pkt send object. pkt_slew_req_tlm_p  Ptr to Slew-Request tlm pkt send object. pkt_slew_rsp_tlm_p  Ptr to Slew-Request resp tlm pkt send object. Returns: MSG code.

unsigned int LIM_sc_remain_sec (  LIM_Sc *  object_p  )

Return the number of seconds remaining in a repoint period. Parameters: object_p  Pointer to spacecraft interface object. Returns: Number of seconds remaining in the repoint period.

int LIM_sc_rep_is_active (  LIM_Sc *  object_p  )

Return the ACTIVE status of a repoint. Parameters: object_p  Pointer to object. Returns: MSG code.

int LIM_sc_rep_req_is_pending (  LIM_Sc *  object_p  )

Return the PENDING status of a repoint request. Parameters: object_p  Pointer to object. Returns: MSG code.

unsigned int LIM_sc_send_slew_request (  LIM_Sc *  object_p, LIM_Action_Id  action, unsigned int  tran_id, unsigned int  dwell_time, double  ra, double  dec )

Send a Slew-Request command to the spacecraft. Parameters: object_p  Pointer to spacecraft interface object. action  Action to report. tran_id  Transaction ID value for the command. dwell_time  Dwell Time value for the command. ra  RA value for the command. dec  DEC value for the command. Returns: MSG code.

WUT_cb_status lim_sc_wut_handler (  void *  prm, WUT_tmr *  wut )  [static]

Handle wake-up timer expiration. Parameters: prm  Pointer to S/C interface object. wut  Pointer to wake-up timer. Returns: WUT status.

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