Writing S-Functions

Index

A

Ada S-functions

mex syntax

additional parameters for M-file S-functions

array bounds

checking

B

block I/O ports

block-based sample times

specifying

Build Info pane

S-Function Builder

C

C language header file

matlabroot/simulink/include/simstruc.h

C MEX S-functions

advantages

converting from level 1 to level 2

C++ objects

C++ S-functions

mex command

cg_sfun.h

checking array bounds

compiler compatibility

Fortran

continuous blocks

setting sample time

Continuous Derivatives pane

S-Function Builder

continuous state S-function example (C MEX)

continuous state S-function example (M-file)

creating persistent C++ objects

C-to-Fortran gateway S-function

D

data types

using user-defined

direct feedthrough

direct index lookup table example

direct-index lookup table algorithm

discrete state S-function example (C MEX)

discrete state S-function example (M-file)

Discrete Update pane

S-Function Builder

dynamically sized inputs

E

error handling

checking array bounds

exception free code

examples

Ada S-function specification

C MEX S-function

continuous state S-function (C MEX)

continuous state S-function (M-file)

direct index lookup table

discrete state S-function (C MEX)

discrete state S-function (M-file)

Fortran MEX S-function

hybrid system S-function (C MEX)

hybrid system S-function (M-file)

multiport S-function

pointer work vector

sample time for continuous block

sample time for hybrid block

time-varying continuous transfer function (C MEX)

variable-step S-function (C MEX)

variable-step S-function (M-file)

zero-crossing S-function (C MEX)

exception free code

extern "C" statement

F

Fortran compilers

Fortran math library

Fortran MEX S-functions

example

template file

function-call subsystems

H

header files

hybrid blocks

setting sample time

hybrid sample times

specifying

hybrid system S-function example (C MEX)

hybrid system S-function example (M-file)

I

Initialization pane

S-Function Builder

inlined S-functions

with mdlRTW routine

input arguments for M-file S-functions

input ports

how to create

inputs, dynamically sized

L

Level 1 C MEX S-functions

converting to level 2

Libraries pane

S-Function Builder

M

masked multiport S-functions

matlabroot/simulink/include/simstruc.h C language header file

matlabroot/simulink/src/csfunc.c example file

matlabroot/simulink/src/dsfunc.c example file

matlabroot/simulink/src/mixedm.c example file

matlabroot/simulink/src/sfun_counter_cpp.cpp

ensuring Simulink compatibility of C++ S-functions

matlabroot/simulink/src/sfun_multiport.c example file

matlabroot/simulink/src/sfun_timestwo_for.for Fortran example file

matlabroot/simulink/src/sfun_zc_sat.c example file

matlabroot/simulink/src/stvctf.c example file

matlabroot/simulink/src/vsfunc.c example file

matlabroot/toolbox/simulink/blocks/tlc_c/sfun_multiport.tlc example file

matrix.h

mdlCheckParameters

mdlDerivatives

mdlGetTimeOfNextVarHit

mdlInitializeConditions

mdlInitializeSampleTimes

mdlInitializeSizes

and sizes structure

calling sizes

mdlOutputs

mdlProcessParameters

mdlRTW

mdlRTW routine

writing inlined S-functions

mdlSetDefaultPortComplexSignals

mdlSetDefaultPortDataTypes

mdlSetDefaultPortDimensionInfo

mdlSetInputPortComplexSignal

mdlSetInputPortDataType

mdlSetInputPortDimensionInfo

mdlSetInputPortFrameData

mdlSetInputPortSampleTime

mdlSetInputPortWidth

mdlSetOutputPortComplexSignal

mdlSetOutputPortDataType

mdlSetOutputPortDimensionInfo

mdlSetOutputPortSampleTime

mdlSetOutputPortWidth

mdlStart

mdlUpdate

memory and work vectors

mex command

building Ada S-functions

building C MEX S-functions

building C++ S-functions

MEX S-function wrapper

definition

mex.h

M-file S-functions

arguments

creating

defining characteristics

definition

passing additional parameters

routines

multiport S-function example

multirate S-Function blocks

synchronizing

N

noninlined S-functions

O

output ports

Outputs pane

P

parameters

M-file S-functions

passing to S-functions

persistence

port-based sample times

R

reentrancy

RTWdata structure

inlining an S-function

run-time parameter names, uniqueness of

run-time parameters

run-time routines

S

S_FUNCTION_LEVEL 2, #define

S_FUNCTION_NAME, #define

sample times

block-based

continuous block example

hybrid block example

port-based

specifying block-based <1> <2>

specifying hybrid

specifying port-based

scalar expansion of inputs

S-Function blocks

multirate

S-functions parameters field

synchronizing multirate

S-Function Builder

Build Info pane

Continuous Derivatives pane

customizing

Discrete Update pane

for C MEX S-functions

Initialization pane

Libraries pane

Outputs pane

setting the include path

S-function routines

M-file

<$nopageS-functions

<it M-file S-functions

S-functions

creating level 2 with Fortran

creating persistent C++ objects

creating run-time parameters

definition

direct feedthrough

exception free code

fully inlined with mdlRTW routine

inlined

input arguments for M-files

that work with Real-Time Workshop

T

templates

M-file S-function

time-varying continuous transfer function example (C MEX)

tmwtypes.h

tunable parameters

V

variable-step S-function example (C MEX)

variable-step S-function example (M-file)

W

work vectors

wrapper S-functions

writing S-functions in Ada

writing S-functions in C++

writing S-functions in MATLAB

Z

zero-crossing S-function example (C MEX)

ssWriteRTWWorkVect