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/*---------------------------------------------------------------------------
T E C S D R I V . C
This is the implementation for TECS object derived from an more general
environment controller. At present, TECS is used for driving the
LakeShore 340 Temperutre Controller.
Markus Zolliker, March 2000
Copyright:
Labor fuer Neutronenstreuung
Paul Scherrer Institut
CH-5423 Villigen-PSI
The authors hereby grant permission to use, copy, modify, distribute,
and license this software and its documentation for any purpose, provided
that existing copyright notices are retained in all copies and that this
notice is included verbatim in any distributions. No written agreement,
license, or royalty fee is required for any of the authorized uses.
Modifications to this software may be copyrighted by their authors
and need not follow the licensing terms described here, provided that
the new terms are clearly indicated on the first page of each file where
they apply.
IN NO EVENT SHALL THE AUTHORS OR DISTRIBUTORS BE LIABLE TO ANY PARTY
FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
ARISING OUT OF THE USE OF THIS SOFTWARE, ITS DOCUMENTATION, OR ANY
DERIVATIVES THEREOF, EVEN IF THE AUTHORS HAVE BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
THE AUTHORS AND DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. THIS SOFTWARE
IS PROVIDED ON AN "AS IS" BASIS, AND THE AUTHORS AND DISTRIBUTORS HAVE
NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR
MODIFICATIONS.
----------------------------------------------------------------------------*/
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include <tcl.h>
#include "fortify.h"
#include "conman.h"
#include "splitter.h"
#include "obdes.h"
#include "interface.h"
#include "obpar.h"
#include "devexec.h"
#include "nserver.h"
#include "interrupt.h"
#include "emon.h"
#include "evcontroller.h"
#include "evcontroller.i"
#include "tecsdriv.h"
#include "servlog.h"
#include "sicsvar.h"
#include "tecs/tecc.h"
#include "tecs/errhdl.h"
extern pServer pServ;
typedef struct __EVDriver *pEVDriver;
#include "evdriver.i"
/*------------------------- The Driver ------------------------------------*/
pEVDriver CreateTecsDriver(int argc, char *argv[]);
/*-----------------------------------------------------------------------*/
typedef struct {
void *pData;
char server[64];
int iLastError;
char *lastError;
} TecsDriv, *pTecsDriv;
/*-------------------------------------------------------------------------*/
int TecsWrapper(SConnection *pCon, SicsInterp *pSics, void *pData,
int argc, char *argv[])
{
pEVControl self = NULL;
char pBueffel[256];
int iRet;
double fNum;
float fVal;
pEVDriver pD;
pTecsDriv pMe;
char *dev;
self = (pEVControl)pData;
assert(self);
assert(pCon);
assert(pSics);
if(argc < 2)
{
return EVControlWrapper(pCon,pSics,pData,argc,argv);
}
strtolower(argv[1]);
if (strcmp(argv[1],"device") == 0)
{
if(argc > 2) /* set case */
{
iRet = Tcl_GetDouble(pSics->pTcl,argv[2],&fNum);
if(iRet != TCL_OK)
{
sprintf(pBueffel,"ERROR: expected number, got %s",argv[2]);
SCWrite(pCon,pBueffel,eError);
return 0;
}
pD=self->pDriv; assert(pD);
pMe=pD->pPrivate; assert(pMe);
iRet=TeccSetDev(pMe->pData,argv[2]);
if (iRet<0) {
sprintf(pBueffel,"ERROR: %s",ErrMessage);
SCWrite(pCon,pBueffel,eError);
return 0;
}
return 1;
}
else /* get case */
{
pD=self->pDriv; assert(pD);
pMe=pD->pPrivate; assert(pMe);
dev=TeccGetDev(pMe->pData);
if (dev==NULL) {
sprintf(pBueffel,"ERROR: %s",ErrMessage);
SCWrite(pCon,pBueffel,eError);
return 0;
}
sprintf(pBueffel,"%s.%s = %s\n",self->pName,
argv[1],dev);
SCWrite(pCon,pBueffel,eValue);
return 1;
}
}
else
{
return EVControlWrapper(pCon,pSics,pData,argc,argv);
}
/* not reached */
return 0;
}
/*----------------------------------------------------------------------------*/
static int TecsGet(pEVDriver self, float *fPos)
{
pTecsDriv pMe = NULL;
int iRet;
assert(self);
pMe = (pTecsDriv)self->pPrivate;
assert(pMe);
/* get temperature */
iRet = TeccGet(pMe->pData, fPos);
if(iRet < 0 )
{
pMe->lastError = ErrMessage;
pMe->iLastError=1; /* severe */
return 0;
}
return 1;
}
/*----------------------------------------------------------------------------*/
static int TecsRun(pEVDriver self, float fVal)
{
pTecsDriv pMe = NULL;
int iRet;
assert(self);
pMe = (pTecsDriv )self->pPrivate;
assert(pMe);
/* set temperature */
iRet = TeccSet(pMe->pData, fVal);
if(iRet != 1)
{
pMe->iLastError=1; /* severe */
pMe->lastError = ErrMessage;
return 0;
}
return 1;
}
/*--------------------------------------------------------------------------*/
static int TecsError(pEVDriver self, int *iCode, char *error, int iErrLen)
{
pTecsDriv pMe = NULL;
assert(self);
pMe = (pTecsDriv)self->pPrivate;
assert(pMe);
*iCode = pMe->iLastError;
error=pMe->lastError;
return 1;
}
/*---------------------------------------------------------------------------*/
static int TecsFix(pEVDriver self, int iError)
{
pTecsDriv pMe = NULL;
int iRet;
assert(self);
pMe = (pTecsDriv )self->pPrivate;
assert(pMe);
if (pMe->iLastError=1) { /* for Tecs, iLastError means severity level */
return(DEVFAULT); /* 1: severe */
} else {
return(DEVREDO); /* 2: try again, good luck! */
}
}
/*--------------------------------------------------------------------------*/
static int TecsSend(pEVDriver self, char *pCommand, char *pReply, int iLen)
{
pTecsDriv pMe = NULL;
int iRet;
assert(self);
pMe = (pTecsDriv )self->pPrivate;
assert(pMe);
iRet = TeccSend(pMe->pData, pCommand, pReply,iLen);
if(iRet != 1)
{
pMe->lastError = ErrMessage;
return 0;
}
return 1;
}
/*--------------------------------------------------------------------------*/
static int TecsInit(pEVDriver self)
{
pTecsDriv pMe = NULL;
int iRet;
assert(self);
pMe = (pTecsDriv )self->pPrivate;
assert(pMe);
pMe->pData = TeccInit(pMe->server);
if(pMe->pData==NULL)
{
pMe->iLastError = 1; /* severe */
pMe->lastError = ErrMessage;
return 0;
}
return 1;
}
/*--------------------------------------------------------------------------*/
static int TecsClose(pEVDriver self)
{
pTecsDriv pMe = NULL;
int iRet;
assert(self);
pMe = (pTecsDriv )self->pPrivate;
assert(pMe);
TeccClose(&pMe->pData);
pMe->pData=NULL;
return 1;
}
/*--------------------------------------------------------------------------*/
static int TecsHalt(pEVDriver *self)
{
assert(self);
return 1;
}
/*------------------------------------------------------------------------*/
void TecsKill(void *pData)
{
pTecsDriv pMe = NULL;
pMe = (pTecsDriv)pData;
assert(pMe);
free(pMe);
}
/*------------------------------------------------------------------------*/
pEVDriver CreateTecsDriver(int argc, char *argv[])
{
pEVDriver pNew = NULL;
pTecsDriv pMe = NULL;
pSicsVariable pInst = NULL;
pNew = CreateEVDriver(argc,argv);
pMe = (pTecsDriv)malloc(sizeof(TecsDriv));
memset(pMe,0,sizeof(TecsDriv));
if(!pNew || !pMe)
{
return NULL;
}
pNew->pPrivate = pMe;
pNew->KillPrivate = TecsKill;
/* initalise pTecsDriver */
pMe->lastError = NULL;
/* get the instrument name */
pInst = FindVariable(pServ->pSics,"instrument");
if (pInst==NULL ||
pInst->text==NULL ||
strlen(pInst->text)>sizeof(pMe->server)-6) return NULL;
sprintf(pMe->server,"tecs_%s", pInst->text);
/* initialise function pointers */
pNew->SetValue = TecsRun;
pNew->GetValue = TecsGet;
pNew->Send = TecsSend;
pNew->GetError = TecsError;
pNew->TryFixIt = TecsFix;
pNew->Init = TecsInit;
pNew->Close = TecsClose;
return pNew;
}