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- Rearranged directory structure for forking out ANSTO

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- Refactored site specific stuff into a site module
- PSI specific stuff is now in the PSI directory.
- The old version has been tagged with pre-ansto
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2003-06-20 10:18:47 +00:00
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hardsup/itc4util.h Normal file
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/*---------------------------------------------------------------------------
I T C L 4 U T I L
A few utility functions for talking to a Oxford Instruments ITCL-4
temperature controller via the SINQ setup: TCP/IP--MAC--RS-232--
ITC-4.
Mark Koennecke, Juli 1997
----------------------------------------------------------------------------*/
#ifndef SINQITCL4
#define SINQITCL4
/*----------------------- ERRORCODES--------------------------------------
Most functions return a negative error code on failure. Error codes
defined are those defined for serialsinq plus a few additional ones:
*/
#define ITC4__BADCOM -501
/* command not recognized */
#define ITC4__BADPAR -502
/* bad parameter to command */
#define ITC4__BADMALLOC -503
/* error allocating memory */
#define ITC4__BADREAD -504
/* error analysing command string on Read */
#define ITC4__NOITC -510
/* Controller is no ITC-4 */
#define ITC4__BADSET -530
/* failed three times to set temperature */
#define ITC4__READONLY -531
/*------------------------------------------------------------------------*/
typedef struct __ITC4 {
int iRead;
int iControl;
void *pData;
char pAns[80];
float fDiv;
float fMult;
int iReadOnly;
int i503; /* flag for model 503, understanding float*/
} ITC4;
typedef struct __ITC4 *pITC4;
/*-----------------------------------------------------------------------*/
int ITC4_Open(pITC4 *pData,char *pHost, int iPort, int iChannel, int iMode);
/***** creates an ITC4 datastructure and opens a connection to the ITCL4
controller. Input Parameters are:
the hostname
the port number
the RS-232 channel number on the Mac.
iMode: 1 for ReadOnly, 0 for normal mode
Return values are 1 for success, a negative error code on
failure.
*/
void ITC4_Close(pITC4 *pData);
/****** close a connection to an ITC4controller and frees its
data structure. The only parameter is a pointer to the data
structure for this controller. This pointer will be invalid after
this call.
*/
int ITC4_Config(pITC4 *pData, int iTmo, int iRead,
int iControl, float fDiv, float fMult);
/***** configure some aspects of a ITC4temperature controller.
The parameter are:
- a pointer to the data structure for the controller as
returned by OpenITCL4
- a value for the connection timeout
- the temperature sensor to use for reading the
temperature.
- the temperature sensor used by the ITC4controller
for regulating the temperature.
- the divisor needed to calculate the real temperature
from the sensor.
The function returns 1 on success, a negative error code on
failure.
*/
int ITC4_Send(pITC4 *pData, char *pCommand, char *pReply, int iLen);
/******* send a the command in pCommand to the ITC4controller.
A possible reply is returned in the buffer pReply.
Maximum iLen characters are copied to pReply.
The first parameter is a pointer to a ITC4data structure
as returned by OpenITCL4.
Return values are 1 for success, a negative error code on
failure.
*/
int ITC4_Read(pITC4 *pData, float *fVal);
/******* reads the current actual temperature of the sensor
configured by ConfigITC4for reading. The value is returned
in fVal. The first parameter is a pointer to a ITCL4
data structure as returned by OpenITCL4.
Return values are 1 for success, a negative error code on
failure.
*/
int ITC4_Set(pITC4 *pData, float fVal);
/****** sets a new preset temperature in the ITC4temperature
controller. Parameters are:
- a pointer to a ITC4data structure as returned by OpenITCL4.
- the new preset value.
Return values are 1 for success, a negative error code on
failure.
*/
void ITC4_ErrorTxt(pITC4 *pData, int iCode, char *pError, int iLen);
/******* translates one of the negative error ITC4error codes
into text. Maximum iLen bytes will be copied to the
buffer pError;
*/
#endif