LPA_output.c File Reference

LAT Physics Acquisition Event output control. More...

#include <LPA_output_p.h>
#include <LPA_utils.h>
#include <LPA/LPA_msgs.h>
#include <ITC/ITC_pubdefs.h>
#include <MSG/MSG_pubdefs.h>
#include <stdio.h>

Functions
static unsigned int	LPA_outputConstruct (void *ctl, void *fpa)
	Allocate memory for an LPA_output structure and initialize (clear).
static unsigned int	LPA_outputSizeOf (void)
	Return the size on bytes of the output control block.
static unsigned int *	LPA_dgm_poster (void *prm, void *buf, int byt)
	Send event packet to SDI (instance of an event packet posting routine).
static unsigned int *	LPA_grb_poster (void *prm, void *buf, int byt)
	Send GRB packet to SIU (instance of a GRB packet posting routine).
static void	LPA_cb_postFree (ITC_QueueItem *qitem, unsigned int status, void *prm0, void *prm1, void *prm2, unsigned int tx)
	ITC comletion callback to return FPA buffer to FPA pool.
LPA_DB_OutputServices *	LPA_getDgmOutputSvc (void)
	Retrieves the datagram output services block.
LPA_DB_OutputServices *	LPA_getGrbOutputSvc (void)
	Retrieves the GRB output services block.
unsigned int	LPA_setOutputStream (void *ctl, unsigned int state)
	Set the LPA output stream.
unsigned int	LPA_getOutputPostCount (void *ctl, unsigned int reset)
	Get and reset the LPA output post count.
Variables
static LPA_DB_OutputServices	LPA_DgmOutputSvc
	The static instance of the LPA datagram output services structure.
static LPA_DB_OutputServices	LPA_GrbOutputSvc
	The static instance of the LPA GRB output services structure.

---

Detailed Description

LAT Physics Acquisition Event output control.

Author:

S.Maldonado - smaldona@slac.stanford.edu

    CVS $Id: LPA_output.c,v 1.8 2011/03/28 22:24:21 russell Exp $
   

---

Function Documentation

static void LPA_cb_postFree	(	ITC_QueueItem *	qitem,
		unsigned int	status,
		void *	prm0,
		void *	prm1,
		void *	prm2,
		unsigned int	tx
	)			[static]

ITC comletion callback to return FPA buffer to FPA pool.

Parameters:

	qitem	(in) Queue item
	status	(in) Status code from the delivery process
	prm0	(in) User param 0 (FPA control block)
	prm1	(in) User param 1 (unused)
	prm2	(in) User param 2 (unused)
	tx	(in) Failure during send phase of ITC_send() (unused)

Referenced by LPA_dgm_poster(), and LPA_grb_poster().

static unsigned int * LPA_dgm_poster	(	void *	prm,
		void *	buf,
		int	byt
	)			[static]

Send event packet to SDI (instance of an event packet posting routine).

Parameters:

	prm	(in) User context parameter (LPA_output structure)
	buf	(in) Pointer to post buffer
	byt	(in) Length (bytes) of post buffer

Return values:

x

Unsigned int pointer to the next post buffer to use (never NULL).

References _LPA_output::fpa, LPA_cb_postFree(), _LPA_output::post_cnt, and _LPA_output::post_state.

Referenced by LPA_getDgmOutputSvc().

LPA_DB_OutputServices* LPA_getDgmOutputSvc

(

void

)

Retrieves the datagram output services block.

Returns:

Status

References LPA_dgm_poster(), LPA_DgmOutputSvc, LPA_getOutputPostCount(), LPA_outputConstruct(), LPA_outputSizeOf(), and LPA_setOutputStream().

LPA_DB_OutputServices* LPA_getGrbOutputSvc

(

void

)

Retrieves the GRB output services block.

Returns:

Status

References LPA_getOutputPostCount(), LPA_grb_poster(), LPA_GrbOutputSvc, LPA_outputConstruct(), LPA_outputSizeOf(), and LPA_setOutputStream().

unsigned int LPA_getOutputPostCount	(	void *	ctl,
		unsigned int	reset
	)

Get and reset the LPA output post count.

Returns:

Status

Parameters:

	ctl	Control parameter
	reset	Reset parameter

References _LPA_output::post_cnt.

Referenced by LPA_getDgmOutputSvc(), and LPA_getGrbOutputSvc().

static unsigned int * LPA_grb_poster	(	void *	prm,
		void *	buf,
		int	byt
	)			[static]

Send GRB packet to SIU (instance of a GRB packet posting routine).

Parameters:

	prm	(in) User context parameter (LPA_output structure)
	buf	(in) Pointer to post buffer
	byt	(in) Length (bytes) of post buffer

Return values:

x

Unsigned int pointer to the next post buffer to use (never NULL).

References _LPA_output::fpa, LPA_cb_postFree(), _LPA_output::post_cnt, and _LPA_output::post_state.

Referenced by LPA_getGrbOutputSvc().

static unsigned int LPA_outputConstruct	(	void *	ctl,
		void *	fpa
	)			[static]

Allocate memory for an LPA_output structure and initialize (clear).

Parameters:

	ctl	ID of the data source
	fpa	FPA pointer

Return values:

LPA_SUCCESS

References _LPA_output::fpa, _LPA_output::post_cnt, and _LPA_output::post_state.

Referenced by LPA_getDgmOutputSvc(), and LPA_getGrbOutputSvc().

static unsigned int LPA_outputSizeOf

(

void

)

[static]

Return the size on bytes of the output control block.

Return values:

Output

ctl block size

Referenced by LPA_getDgmOutputSvc(), and LPA_getGrbOutputSvc().

unsigned int LPA_setOutputStream	(	void *	ctl,
		unsigned int	state
	)

Set the LPA output stream.

Returns:

Status

Parameters:

	ctl	Control parameter
	state	Enable state

References _LPA_output::post_cnt, and _LPA_output::post_state.

Referenced by LPA_getDgmOutputSvc(), and LPA_getGrbOutputSvc().