Files
sics/faverage.c

280 lines
7.6 KiB
C

/*---------------------------------------------------------------------------
F o c u s A v e r a g e r
A little averager for FOCUS data. Used by the FOCUS status display.
copyright: see copyright.h
Mark Koennecke, October 1998
Updated for additional detector banks
Mark Koennecke, March 2000
---------------------------------------------------------------------------*/
#include <stdlib.h>
#include <assert.h>
#include <tcl.h>
#include <time.h>
#include "fortify.h"
#include "sics.h"
#include "counter.h"
#include "HistMem.h"
#include "fomerge.h"
#include "faverage.h"
/*
#define DEB 1
*/
/*-------------------------------------------------------------------------*/
typedef struct __FocusAverager {
pObjectDescriptor pDes;
pHistMem pHist;
} FocusAverager, *pFocusAverager;
/*------------------------------------------------------------------------*/
static void KillFA(void *pData)
{
pFocusAverager self = NULL;
self = (pFocusAverager)pData;
if(!self)
return;
if(self->pDes)
DeleteDescriptor(self->pDes);
free(self);
}
/*-------------------------------------------------------------------------*/
int MakeFA(SConnection *pCon, SicsInterp *pSics, void *pData,
int argc, char *argv[])
{
pFocusAverager pNew = NULL;
CommandList *pCom = NULL;
pDummy pDum = NULL;
char pBueffel[256];
int iRet;
assert(pCon);
assert(pSics);
/* we need two parameters: the name for the averager and the histogram
memory
*/
if(argc < 3)
{
SCWrite(pCon,"ERROR: Insufficient number of parameters to MakeFA",
eError);
return 0;
}
/* find histogram memory */
pCom = FindCommand(pSics,argv[2]);
if(!pCom)
{
sprintf(pBueffel,"ERROR: histogram memory %s NOT found!", argv[2]);
SCWrite(pCon,pBueffel,eError);
return 0;
}
pDum = (pDummy)pCom->pData;
if(!pDum)
{
sprintf(pBueffel,"ERROR: histogram memory %s INVALID!", argv[2]);
SCWrite(pCon,pBueffel,eError);
return 0;
}
if(strcmp(pDum->pDescriptor->name,"HistMem") != 0)
{
sprintf(pBueffel,"ERROR: %s is NO histogram memory object!", argv[2]);
SCWrite(pCon,pBueffel,eError);
return 0;
}
/* we got what we need: set things up */
pNew = (pFocusAverager)malloc(sizeof(FocusAverager));
if(!pNew)
{
SCWrite(pCon,"ERROR: out of memory in MakeFA",eError);
return 0;
}
memset(pNew,0,sizeof(FocusAverager));
pNew->pDes = CreateDescriptor("FocusAverager");
if(!pNew->pDes)
{
SCWrite(pCon,"ERROR: out of memory in MakeFA",eError);
return 0;
}
pNew->pHist = (pHistMem)pDum;
iRet = AddCommand(pSics,argv[1],FocusAverageDo, KillFA, pNew);
if(!iRet)
{
sprintf(pBueffel,"ERROR: duplicate command %s not created", argv[1]);
SCWrite(pCon,pBueffel,eError);
KillFA(pNew);
return 0;
}
return 1;
}
/*-------------------------------------------------------------------------*/
int FocusAverageDo(SConnection *pCon, SicsInterp *pSics, void *pData,
int argc, char *argv[])
{
pFocusAverager self = NULL;
int *iData = NULL;
const float *fTimeBin = NULL;
float fVal;
int iLength, iStart, iEnd, iNum, i,ii, iTest, iBufLen, iRet, iVal;
char pBueffel[256];
HistInt *hiData = NULL, *hiPtr;
time_t tStart, tEnd;
int iBank = MIDDLE;
self = (pFocusAverager)pData;
assert(self);
assert(pCon);
assert(pSics);
/* we need two parameters: start and end of averaging */
if(argc < 3)
{
SCWrite(pCon,
"ERROR: insufficient number of parameters for FocusAverage",
eError);
return 0;
}
iRet = Tcl_GetInt(pSics->pTcl,argv[1],&iStart);
if(iRet != TCL_OK)
{
sprintf(pBueffel,"ERROR: cannot convert %d to integer",argv[1]);
SCWrite(pCon,pBueffel,eError);
return 0;
}
iRet = Tcl_GetInt(pSics->pTcl,argv[2],&iEnd);
if(iRet != TCL_OK)
{
sprintf(pBueffel,"ERROR: cannot convert %d to integer",argv[2]);
SCWrite(pCon,pBueffel,eError);
return 0;
}
/* another parameter, if available describes the detector bank*
if(argc > 3)
{
iRet = Tcl_GetInt(pSics->pTcl,argv[3],&iBank);
if(iRet != TCL_OK)
{
sprintf(pBueffel,"ERROR: cannot convert %d to integer",argv[3]);
SCWrite(pCon,pBueffel,eError);
return 0;
}
}
/* how much to do: correct parameters? */
iNum = iEnd - iStart;
if(iNum < 0)
{
SCWrite(pCon,"ERROR: invalid parameters given to FocusAverage",
eError);
return 0;
}
/* may be only one histogram requested */
if(iNum == 0)
iNum = 1;
if(iStart < 0)
{
SCWrite(pCon,"ERROR: invalid parameters given to FocusAverage",
eError);
return 0;
}
#ifdef DEB
printf("Starting averaging ...\n");
fflush(stdout);
tStart = time(NULL);
#endif
/* do work! first retrieve time binning data */
fTimeBin = GetHistTimeBin(self->pHist,&iLength);
assert(fTimeBin);
if(iLength <= 0)
{
SCWrite(pCon,"ERROR: histogram memory inproperly configured",eError);
return 0;
}
/* allocate result data */
iBufLen = (iLength *2 +1)*sizeof(int);
iData = (int *)malloc(iBufLen);
memset(iData,0,iBufLen);
/* get histogram length */
i = getFMdim(iBank);
/* correct iEnd to maximum allowed */
iTest = i;
if(iEnd > iTest -1)
{
iEnd = iTest - 1;
iNum = iEnd - iStart;
if(iNum <= 0)
iNum = 1;
}
#ifdef DEB
printf("Getting histogram....\n");
fflush(stdout);
#endif
hiData = GetHistogramPointer(self->pHist,pCon);
if(hiData == NULL)
{
SCWrite(pCon,"ERROR: failed to read histogram memory data",eError);
free(iData);
return 0;
}
setFMDataPointer(hiData, iLength);
hiData = getFMBankPointer(iBank);
#ifdef DEB
tEnd = time(NULL);
printf("Histogram received in %d seconds\n", tStart - tEnd);
fflush(stdout);
#endif
/* first int: length of things to come */
iData[0] = htonl(iLength);
/* sum up */
for(i = iStart; i < iEnd; i++)
{
hiPtr = hiData + i*iLength;
for(ii = 0; ii < iLength; ii++)
{
iData[ii+1] += hiPtr[ii];
}
}
/* average */
for(i = 1; i < iLength + 1; i++)
{
fVal = (float)iData[i]/(float)iNum;
fVal *= 65536.;
iData[i] = htonl((int)fVal);
}
/* make time binning fixed point */
for(i = 0; i < iLength; i++)
{
fVal = fTimeBin[i]/10.;
fVal *= 65536.;
iData[iLength+1+i] = htonl((int)fVal);
}
#ifdef DEB
printf("Sending averaged data....\n");
fflush(stdout);
#endif
/* finally send out uuencoded */
SCWriteUUencoded(pCon,"FocusAverage",iData,iBufLen);
if(iData)
free(iData);
#ifdef DEB
printf("Averaging finished\n");
fflush(stdout);
#endif
return 1;
}