Overview
Comment:MTT input block "sys_sfun_input.mexglx" created to provide inputs from MTT input file to plant model within Simulink.
The command "mtt sys sfun zip" now also creates a simple sys.mdl file which connects the input block to the plant block correctly.
Downloads: Tarball | ZIP archive
Timelines: family | ancestors | descendants | both | origin/master | trunk
Files: files | file ages | folders
SHA3-256: 1766067043d01a7809f28fad6677831ca892c3c1935959a185b123953e75a33e
User & Date: geraint@users.sourceforge.net on 2002-05-21 11:46:31.000
Other Links: branch diff | manifest | tags
Context
2002-05-21
18:50:11
Customised figures. check-in: 65b5567de9 user: gawthrop@users.sourceforge.net tags: origin/master, trunk
11:46:31
MTT input block "sys_sfun_input.mexglx" created to provide inputs from MTT input file to plant model within Simulink.
The command "mtt sys sfun zip" now also creates a simple sys.mdl file which connects the input block to the plant block correctly. check-in: 1766067043 user: geraint@users.sourceforge.net tags: origin/master, trunk
08:47:41
Implicit rules check-in: 22eb2b0db5 user: gawthrop@users.sourceforge.net tags: origin/master, trunk
Changes
Unified Diff Ignore Whitespace Patch
Modified mttroot/mtt/lib/rep/sfun_rep/Makefile from [506c1123b2] to [35509f7ef3]. 
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#! /usr/bin/make -f

all: $(SYS)_sfun.mexglx

$(SYS)_sfun.mexglx: $(SYS)_sfun.c $(SYS)_def.h $(SYS)_sympar.h $(SYS)_numpar.c $(SYS)_ode.c $(SYS)_odeo.c $(SYS)_state.c $(SYS)_sfun_ae.mexglx 
	echo Creating $@
	mex $(SYS)_sfun.c
	cp *_sfun*mexglx ..

$(SYS)_sfun.c:: ${MTT_REP}/sfun_rep/sfun.c.tmpl
	echo Creating $@
	cat $^ | sed 's/<mtt_model_name>/$(SYS)/g' > $@

$(SYS)_sfun_ae.mexglx: $(SYS)_sfun_ae.c $(SYS)_def.h $(SYS)_ae.c
	echo Creating $@
	mex $(SYS)_sfun_ae.c

$(SYS)_sfun_ae.c:: ${MTT_REP}/sfun_rep/ae.c.tmpl








	echo Creating $@
	cat $^ | sed 's/<mtt_model_name>/$(SYS)/g' > $@

$(SYS)_sfun.zip: $(SYS)_sfun.c $(SYS)_sfun_ae.c $(SYS)_def.h $(SYS)_sympar.h $(SYS)_ae.c $(SYS)_numpar.c $(SYS)_ode.c $(SYS)_odeo.c $(SYS)_state.c README
	echo Creating $@
	zip $@ $^





README:: ${MTT_REP}/sfun_rep/README.tmpl
	echo Creating $@
	cat $^ | sed 's/<mtt_model_name>/$(SYS)/g' > $@

$(SYS)_ae.c: $(SYS)_ae.m
	echo Creating $@
	${MTT_CC}/mtt_m2cc.sh $(SYS) ae c cat 





$(SYS)_numpar.c: $(SYS)_numpar.m
	echo Creating $@
	${MTT_CC}/mtt_m2cc.sh $(SYS) numpar c cat

$(SYS)_ode.c: $(SYS)_ode.m
	echo Creating $@
	${MTT_CC}/mtt_m2cc.sh $(SYS) ode c cat

$(SYS)_odeo.c: $(SYS)_odeo.m
	echo Creating $@
	${MTT_CC}/mtt_m2cc.sh $(SYS) odeo c cat

$(SYS)_state.c: $(SYS)_state.m
	echo Creating $@
	${MTT_CC}/mtt_m2cc.sh $(SYS) state c cat





%::
	mtt -q $(OPTS) `echo $* | sed 's/\(.*\)_\(.*\)\.\(.*\)/\1 \2 \3/'`





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#! /usr/bin/make -f

all: $(SYS)_sfun.mexglx

$(SYS)_sfun.mexglx: $(SYS)_sfun.c sfun_debug.h $(SYS)_def.h $(SYS)_sympar.h $(SYS)_numpar.c $(SYS)_ode.c $(SYS)_odeo.c $(SYS)_state.c $(SYS)_sfun_ae.mexglx $(SYS)_sfun_input.mexglx
	echo Creating $@
	mex $(SYS)_sfun.c
	cp *_sfun*mexglx ..

$(SYS)_sfun.c:: ${MTT_REP}/sfun_rep/sfun.c.tmpl
	echo Creating $@
	cat $^ | sed 's/<mtt_model_name>/$(SYS)/g' > $@

$(SYS)_sfun_ae.mexglx: $(SYS)_sfun_ae.c $(SYS)_def.h $(SYS)_ae.c
	echo Creating $@
	mex $(SYS)_sfun_ae.c

$(SYS)_sfun_ae.c:: ${MTT_REP}/sfun_rep/mex_ae.c.tmpl
	echo Creating $@
	cat $^ | sed 's/<mtt_model_name>/$(SYS)/g' > $@

$(SYS)_sfun_input.mexglx: $(SYS)_sfun_input.c sfun_debug.h $(SYS)_def.h $(SYS)_sympar.h $(SYS)_input.c $(SYS)_numpar.c
	echo Creating $@
	mex $(SYS)_sfun_input.c

$(SYS)_sfun_input.c:: ${MTT_REP}/sfun_rep/sfun_input.c.tmpl
	echo Creating $@
	cat $^ | sed 's/<mtt_model_name>/$(SYS)/g' > $@

$(SYS)_sfun.zip: $(SYS)_sfun.c sfun_debug.h $(SYS)_sfun_ae.c $(SYS)_sfun_input.c $(SYS)_def.h $(SYS)_sympar.h $(SYS)_ae.c $(SYS)_input.c $(SYS)_numpar.c $(SYS)_ode.c $(SYS)_odeo.c $(SYS)_state.c $(SYS).mdl README
	echo Creating $@
	zip $@ $^

$(SYS).mdl: ${MTT_REP}/sfun_rep/mdl.tmpl
	echo Creating $@
	cat $^ | sed 's/<mtt_model_name>/$(SYS)/g' > $@

README:: ${MTT_REP}/sfun_rep/README.tmpl
	echo Creating $@
	cat $^ | sed 's/<mtt_model_name>/$(SYS)/g' > $@

$(SYS)_ae.c: $(SYS)_ae.m
	echo Creating $@
	${MTT_CC}/mtt_m2cc.sh $(SYS) ae c cat 

$(SYS)_input.c: $(SYS)_input.m
	echo Creating $@
	${MTT_CC}/mtt_m2cc.sh $(SYS) input c cat 

$(SYS)_numpar.c: $(SYS)_numpar.m
	echo Creating $@
	${MTT_CC}/mtt_m2cc.sh $(SYS) numpar c cat

$(SYS)_ode.c: $(SYS)_ode.m
	echo Creating $@
	${MTT_CC}/mtt_m2cc.sh $(SYS) ode c cat

$(SYS)_odeo.c: $(SYS)_odeo.m
	echo Creating $@
	${MTT_CC}/mtt_m2cc.sh $(SYS) odeo c cat

$(SYS)_state.c: $(SYS)_state.m
	echo Creating $@
	${MTT_CC}/mtt_m2cc.sh $(SYS) state c cat

sfun_debug.h:: ${MTT_REP}/sfun_rep/sfun_debug.h
	echo Copying $@
	cp $^ $@

%::
	mtt -q $(OPTS) `echo $* | sed 's/\(.*\)_\(.*\)\.\(.*\)/\1 \2 \3/'`
Modified mttroot/mtt/lib/rep/sfun_rep/README.tmpl from [7562840818] to [ae40a63903]. 
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To build a Simulink funtion of the <mtt_model_name> model without using MTT:

mex <mtt_model_name>_sfun.c





If numerical solution of algebraic equations is also required:

mex <mtt_model_name>_sfun_ae.c





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To build a Simulink funtion of the <mtt_model_name> model without using MTT:

mex <mtt_model_name>_sfun.c

The input block can be created with:

mex <mtt_model_name>_sfun_input.c

If numerical solution of algebraic equations is also required:

mex <mtt_model_name>_sfun_ae.c
Deleted mttroot/mtt/lib/rep/sfun_rep/ae.c.tmpl version [61cef996f8].
Added mttroot/mtt/lib/rep/sfun_rep/mdl.tmpl version [a18037fb99].
Added mttroot/mtt/lib/rep/sfun_rep/mex_ae.c.tmpl version [6767d53ec7].
Modified mttroot/mtt/lib/rep/sfun_rep/sfun.c.tmpl from [fc7b63a944] to [dcace679aa]. 
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/* -*-c-*-
 * <mtt_model_name>_sfun.c:
 * Matlab S-function simulation of <mtt_model_name>
 */

#define S_FUNCTION_NAME <mtt_model_name>_sfun
#define S_FUNCTION_LEVEL 2

#if (0)				/* DEBUG? */
#define PRINT_ENTER(f) fprintf (stderr, "Entered %s\n", f)
#define PRINT_LEAVE(f) fprintf (stderr, "Leaving %s\n", f)
#else
#define PRINT_ENTER(f)
#define PRINT_LEAVE(f)
#endif /* DEBUG? */

#include <stdio.h>
#include <stdlib.h>

#include "simstruc.h"
#include "<mtt_model_name>_def.h"

static double *mttdx;		/* pointer to rates */
static double *mttu;		/* pointer to inputs */
static double *mttpar;		/* pointer to parameters */
static double *mttx;		/* pointer to states */
static double *mtty;		/* pointer to outputs */
static double *mttyz;		/* pointer to residuals */
static double  mttt;		/* time */

static unsigned int i;		/* loop counter */

/* system equations */

static void
<mtt_model_name>_ae (void)
{
#include "<mtt_model_name>_ae.c"

}

static void
<mtt_model_name>_numpar (void)
{
#include "<mtt_model_name>_sympar.h"
#include "<mtt_model_name>_numpar.c"

}

static void
<mtt_model_name>_ode (void)
{
#include "<mtt_model_name>_ode.c"

}

static void
<mtt_model_name>_odeo (void)
{
#include "<mtt_model_name>_odeo.c"

}

static void
<mtt_model_name>_state (void)
{
#include "<mtt_model_name>_state.c"

}

/* utility procedures */

static double *
array_of_double (size_t n)
{
  void *p = calloc (n, sizeof (double));
  if (! p) {
    fprintf (stderr, "*** Error: failed to allocate memory\n");
  }
  return (double *) p;
}

static void
initialise_arrays (void)
{
  PRINT_ENTER("initialise_arrays");

  mttdx		= array_of_double (MTTNX);
  mttpar	= array_of_double (MTTNPAR);
  mttu		= array_of_double (MTTNU + MTTNYZ);
  mttx		= array_of_double (MTTNX);
  mtty		= array_of_double (MTTNY);
  mttyz		= array_of_double (MTTNYZ);

  PRINT_LEAVE("initialise_arrays");
}

static void
update_states_from_simulink (SimStruct *S)
{
  PRINT_ENTER("update_states_from_simulink");
  for (i = 0; i < MTTNX; i++) {
    mttx[i] = ssGetContStates (S)[i];
  }
  PRINT_LEAVE("update_states_from_simulink");
}

static void
update_inputs_from_simulink (SimStruct *S)
{
  PRINT_ENTER("update_inputs_from_simulink");
  for (i = 0; i < MTTNU; i++) {
    mttu[i] = *ssGetInputPortRealSignalPtrs (S, i)[0];
  }
  PRINT_LEAVE("update_inputs_from_simulink");
}

static void
update_inputs_from_solver (void)
{
  mxArray *MTT_MATLAB_P;
  mxArray *MTT_MATLAB_T;
  mxArray *MTT_MATLAB_U;
  mxArray *MTT_MATLAB_Ui;
  mxArray *MTT_MATLAB_X;

  double *p;

  PRINT_ENTER ("update_inputs_from_solver");

  /* starting value for solver - start with zero */
  MTT_MATLAB_Ui = mxCreateDoubleMatrix (MTTNYZ, 1, mxREAL);
  mxSetName (MTT_MATLAB_Ui, "MTT_Ui");
  p = mxGetPr (MTT_MATLAB_Ui);
  for (i = 0; i < MTTNYZ; i++) {
    p[i] = 0.0;

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/* -*-c-*-	Put emacs into c-mode
 * <mtt_model_name>_sfun.c:
 * Matlab S-function simulation of <mtt_model_name>
 */

#define S_FUNCTION_NAME <mtt_model_name>_sfun
#define S_FUNCTION_LEVEL 2









#include <stdio.h>
#include <stdlib.h>
#include "simstruc.h"
#include "sfun_debug.h"
#include "<mtt_model_name>_def.h"

static double *mttdx;		/* pointer to rates */
static double *mttu;		/* pointer to inputs */
static double *mttpar;		/* pointer to parameters */
static double *mttx;		/* pointer to states */
static double *mtty;		/* pointer to outputs */
static double *mttyz;		/* pointer to residuals */
static double  mttt;		/* time */

static unsigned int i;		/* loop counter */

/* system equations */

static void
<mtt_model_name>_ae (void)
{
#include "<mtt_model_name>_ae.c"
  PRINT_LEAVE;
}

static void
<mtt_model_name>_numpar (void)
{
#include "<mtt_model_name>_sympar.h"
#include "<mtt_model_name>_numpar.c"
  PRINT_LEAVE;
}

static void
<mtt_model_name>_ode (void)
{
#include "<mtt_model_name>_ode.c"
  PRINT_LEAVE;
}

static void
<mtt_model_name>_odeo (void)
{
#include "<mtt_model_name>_odeo.c"
  PRINT_LEAVE;
}

static void
<mtt_model_name>_state (void)
{
#include "<mtt_model_name>_state.c"
  PRINT_LEAVE;
}

/* utility procedures */

static double *
array_of_double (size_t n)
{
  void *p = calloc (n, sizeof (double));
  if (! p) {
    fprintf (stderr, "*** Error: failed to allocate memory\n");
  }
  return (double *) p;
}

static void
initialise_arrays (void)
{
  PRINT_ENTER;

  mttdx		= array_of_double (MTTNX);
  mttpar	= array_of_double (MTTNPAR);
  mttu		= array_of_double (MTTNU + MTTNYZ);
  mttx		= array_of_double (MTTNX);
  mtty		= array_of_double (MTTNY);
  mttyz		= array_of_double (MTTNYZ);

  PRINT_LEAVE;
}

static void
update_states_from_simulink (SimStruct *S)
{
  PRINT_ENTER;
  for (i = 0; i < MTTNX; i++) {
    mttx[i] = ssGetContStates (S)[i];
  }
  PRINT_LEAVE;
}

static void
update_inputs_from_simulink (SimStruct *S)
{
  PRINT_ENTER;
  for (i = 0; i < MTTNU; i++) {
    mttu[i] = *ssGetInputPortRealSignalPtrs (S, 0)[i];
  }
  PRINT_LEAVE;
}

static void
update_inputs_from_solver (void)
{
  mxArray *MTT_MATLAB_P;
  mxArray *MTT_MATLAB_T;
  mxArray *MTT_MATLAB_U;
  mxArray *MTT_MATLAB_Ui;
  mxArray *MTT_MATLAB_X;

  double *p;

  PRINT_ENTER;

  /* starting value for solver - start with zero */
  MTT_MATLAB_Ui = mxCreateDoubleMatrix (MTTNYZ, 1, mxREAL);
  mxSetName (MTT_MATLAB_Ui, "MTT_Ui");
  p = mxGetPr (MTT_MATLAB_Ui);
  for (i = 0; i < MTTNYZ; i++) {
    p[i] = 0.0;
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  /* free memory */
  mxDestroyArray (MTT_MATLAB_P);
  mxDestroyArray (MTT_MATLAB_T);
  mxDestroyArray (MTT_MATLAB_U);
  mxDestroyArray (MTT_MATLAB_Ui);
  mxDestroyArray (MTT_MATLAB_X);

  PRINT_LEAVE ("update_inputs_from_solver");
}

static void
update_simtime_from_simulink (SimStruct *S)
{
  PRINT_ENTER("update_simtime_from_simulink");
  mttt = ssGetT (S);
  PRINT_LEAVE("update_simtime_from_simulink");
}

/* S-function methods */

static void mdlInitializeSizes(SimStruct *S)
{
  PRINT_ENTER("mdlInitializeSizes");

  ssSetNumSFcnParams(S, 0); 
  if (ssGetNumSFcnParams(S) != ssGetSFcnParamsCount(S)) {
    PRINT_LEAVE("mdlInitializeSizes");
    return;
  }
  
  ssSetNumContStates(S, MTTNX);
  ssSetNumDiscStates(S, 0);
  
  if (!ssSetNumInputPorts(S, MTTNU)) return;
    for (i = 0; i < MTTNU; i++) {
      ssSetInputPortWidth(S, i, 1);
      ssSetInputPortDirectFeedThrough(S, i, 1);
    }
    
    if (!ssSetNumOutputPorts(S, MTTNY)) return;
    for (i = 0; i < MTTNY; i++) {
      ssSetOutputPortWidth(S, i, 1);
    }
    
    ssSetNumSampleTimes(S, 1);
    ssSetNumRWork(S, 0);
    ssSetNumIWork(S, 0);
    ssSetNumPWork(S, 0);
    ssSetNumModes(S, 0);
    ssSetNumNonsampledZCs(S, 0);
    
    ssSetOptions(S, SS_OPTION_EXCEPTION_FREE_CODE);
    
    initialise_arrays ();

    PRINT_LEAVE("mdlInitializeSizes");
}

static void mdlInitializeSampleTimes(SimStruct *S)
{
  PRINT_ENTER("mdlInitializeSampleTimes");

  ssSetSampleTime(S, 0, CONTINUOUS_SAMPLE_TIME);
  ssSetOffsetTime(S, 0, 0.0);

  PRINT_LEAVE("mdlInitializeSampleTimes");
}

#define MDL_INITIALIZE_CONDITIONS
static void mdlInitializeConditions(SimStruct *S)
{
  PRINT_ENTER("mdlInitializeConditions");

  <mtt_model_name>_numpar ();
  <mtt_model_name>_state ();

  for (i = 0; i < MTTNX; i++) {
    ssGetContStates (S)[i] = mttx[i];
  }

  PRINT_LEAVE("leaving mdlInitializeConditions");
}

static void mdlOutputs(SimStruct *S, int_T tid)
{
  PRINT_ENTER("entered mdlOutputs");

  update_states_from_simulink (S);
  update_inputs_from_simulink (S);
  if (MTTNYZ > 0) {
    update_inputs_from_solver ();
  }
  update_simtime_from_simulink (S);

  UNUSED_ARG(tid); /* not used in single tasking mode */

  <mtt_model_name>_odeo ();





  for (i = 0; i < MTTNY; i++) {
      ssGetOutputPortRealSignal (S,i)[0] = mtty[i];
  }

  PRINT_LEAVE("leaving mdlOutputs");
}

#define MDL_DERIVATIVES
static void mdlDerivatives(SimStruct *S)
{
  PRINT_ENTER("entered mdlDerivatives\n");
    
  update_states_from_simulink (S);
  update_inputs_from_simulink (S);
  if (MTTNYZ > 0) {
    update_inputs_from_solver ();
  } 
  update_simtime_from_simulink (S);

  <mtt_model_name>_ode ();

  for (i = 0; i < MTTNX; i++) {
    ssGetdX (S)[i] = mttdx[i];
  }

  PRINT_LEAVE("leaving mdlDerivatives");
}

static void mdlTerminate(SimStruct *S)
{
  PRINT_ENTER("entered mdlTerminate");
  UNUSED_ARG(S);

  free (mttdx);
  free (mttpar);
  free (mttu);
  free (mttx);
  free (mtty);
  free (mttyz);

  PRINT_LEAVE("leaving mdlTerminate");
}

#ifdef  MATLAB_MEX_FILE    /* Is this file being compiled as a MEX-file? */
#include "simulink.c"      /* MEX-file interface mechanism */
#else
#include "cg_sfun.h"       /* Code generation registration function */
#endif








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  /* free memory */
  mxDestroyArray (MTT_MATLAB_P);
  mxDestroyArray (MTT_MATLAB_T);
  mxDestroyArray (MTT_MATLAB_U);
  mxDestroyArray (MTT_MATLAB_Ui);
  mxDestroyArray (MTT_MATLAB_X);

  PRINT_LEAVE;
}

static void
update_simtime_from_simulink (SimStruct *S)
{
  PRINT_ENTER;
  mttt = ssGetT (S);
  PRINT_LEAVE;
}

/* S-function methods */

static void mdlInitializeSizes(SimStruct *S)
{
  PRINT_ENTER;

  ssSetNumSFcnParams(S, 0); 
  if (ssGetNumSFcnParams(S) != ssGetSFcnParamsCount(S)) {
    PRINT_LEAVE;
    return;
  }
  
  ssSetNumContStates(S, MTTNX);
  ssSetNumDiscStates(S, 0);
  
  if (!ssSetNumInputPorts(S, 1)) return;

  ssSetInputPortWidth(S, 0, MTTNU);
  ssSetInputPortDirectFeedThrough(S, 0, 1);


  if (!ssSetNumOutputPorts(S, 2)) return;
  ssSetOutputPortWidth(S, 0, MTTNX);
  ssSetOutputPortWidth(S, 1, MTTNY);
    

  ssSetNumSampleTimes(S, 1);
  ssSetNumRWork(S, 0);
  ssSetNumIWork(S, 0);
  ssSetNumPWork(S, 0);
  ssSetNumModes(S, 0);
  ssSetNumNonsampledZCs(S, 0);
  
  ssSetOptions(S, SS_OPTION_EXCEPTION_FREE_CODE);
  
  initialise_arrays ();

  PRINT_LEAVE;
}

static void mdlInitializeSampleTimes(SimStruct *S)
{
  PRINT_ENTER;

  ssSetSampleTime(S, 0, CONTINUOUS_SAMPLE_TIME);
  ssSetOffsetTime(S, 0, 0.0);

  PRINT_LEAVE;
}

#define MDL_INITIALIZE_CONDITIONS
static void mdlInitializeConditions(SimStruct *S)
{
  PRINT_ENTER;

  <mtt_model_name>_numpar ();
  <mtt_model_name>_state ();

  for (i = 0; i < MTTNX; i++) {
    ssGetContStates (S)[i] = mttx[i];
  }

  PRINT_LEAVE;
}

static void mdlOutputs(SimStruct *S, int_T tid)
{
  PRINT_ENTER;

  update_states_from_simulink (S);
  update_inputs_from_simulink (S);
  if (MTTNYZ > 0) {
    update_inputs_from_solver ();
  }
  update_simtime_from_simulink (S);

  UNUSED_ARG(tid); /* not used in single tasking mode */

  <mtt_model_name>_odeo ();

  for (i = 0; i < MTTNX; i++) {
      ssGetOutputPortRealSignal (S, 0)[i] = mttx[i];
  }

  for (i = 0; i < MTTNY; i++) {
      ssGetOutputPortRealSignal (S, 1)[i] = mtty[i];
  }

  PRINT_LEAVE;
}

#define MDL_DERIVATIVES
static void mdlDerivatives(SimStruct *S)
{
  PRINT_ENTER;
    
  update_states_from_simulink (S);
  update_inputs_from_simulink (S);
  if (MTTNYZ > 0) {
    update_inputs_from_solver ();
  } 
  update_simtime_from_simulink (S);

  <mtt_model_name>_ode ();

  for (i = 0; i < MTTNX; i++) {
    ssGetdX (S)[i] = mttdx[i];
  }

  PRINT_LEAVE;
}

static void mdlTerminate(SimStruct *S)
{
  PRINT_ENTER;
  UNUSED_ARG(S);

  free (mttdx);
  free (mttpar);
  free (mttu);
  free (mttx);
  free (mtty);
  free (mttyz);

  PRINT_LEAVE;
}

#ifdef  MATLAB_MEX_FILE    /* Is this file being compiled as a MEX-file? */
#include "simulink.c"      /* MEX-file interface mechanism */
#else
#include "cg_sfun.h"       /* Code generation registration function */
#endif
Added mttroot/mtt/lib/rep/sfun_rep/sfun_debug.h version [484e8ce3d6].
Added mttroot/mtt/lib/rep/sfun_rep/sfun_input.c.tmpl version [4e79896f53].
MTT: Model Transformation Tools
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