ecmcPLC.h

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/*************************************************************************\
* Copyright (c) 2019 European Spallation Source ERIC
* ecmc is distributed subject to a Software License Agreement found
* in file LICENSE that is included with this distribution.
*
*  ecmcPLC.h
*
*  Created on: Oct 5, 2018
*      Author: anderssandstrom
*
\*************************************************************************/
 
#ifndef ECMC_PLC_H_
#define ECMC_PLC_H_
 
#define CHECK_PLCS_RETURN_IF_ERROR()\
        {\
          if (!plcs) {\
            return ERROR_MAIN_PLCS_NULL;\
          }\
        }
 
# ifdef __cplusplus
extern "C" {
# endif  // ifdef __cplusplus
 
int createPLC(int    index,
              double cycleTime,
              int    axisPLC);
 
int deletePLC(int index);
 
int setPLCExpr(int   index,
               char *expr);
 
int appendPLCExpr(int   index,
                  char *expr);
 
int loadPLCFile(int   index,
                char *fileName);
 
int writePLCVar(int         index,
                const char *varName,
                double      value);
 
int readPLCVar(int         index,
               const char *varName,
               double     *value);
 
int clearPLCExpr(int index);
 
int compilePLCExpr(int index);
 
int setPLCEnable(int index,
                 int enable);
 
int getPLCEnable(int  index,
                 int *enabled);
 
const char* getPLCExpr(int  axisIndex,
                       int *error);
 
 
# ifdef __cplusplus
}
# endif  // ifdef __cplusplus
 
#endif  /* ECMC_PLC_H_ */