Types of s-Functions Basic Files Required for Implementation Noninlined S-Functions 87 S-Function Module Names for Real-Time Workshop Builds..8-7 Writing Wrapper S-Functions 8-9 MEX S-Function Wrapper ..8-9 TLC S-Function Wrapper The Inlined Code 8-18 Fully Inlined S-Functions Multiport S-Function Example 8-19 Fully Inlined S-Function with the mdIRTW Routine S-Function rtWdata 8-22 The Direct-Index Lookup Table algorithm The Direct-Index Lookup Table Example Creating Code-Reuse-Compatible s-Functions S-Function callback methods 9 md check Parameters ..9-2 mdlDerivatives mdGetTimeofNextvarHit 9-5 mdlInitialize Conditions 9-6 mdlInitialize SampleTimes 9-8 mdlInitializesizes ..9-12 mdlOutputs 9-16 mdlProcess Parameters 9-17 mdIRTW 9-19 mdIsetDefault Port Complex signals 920 mdISsetDefaultPortDataTypes 921 mdIsetDefaultPortDimensionInfo 922 mdlSetInput Port Complex Signal mdlSetInputPortData Typevi Contents Types of S-Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3 Basic Files Required for Implementation . . . . . . . . . . . . . . . . . . 8-5 Noninlined S-Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-7 S-Function Module Names for Real-Time Workshop Builds . . . 8-7 Writing Wrapper S-Functions . . . . . . . . . . . . . . . . . . . . . . . . . . 8-9 MEX S-Function Wrapper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-9 TLC S-Function Wrapper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-14 The Inlined Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-18 Fully Inlined S-Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-19 Multiport S-Function Example . . . . . . . . . . . . . . . . . . . . . . . . . 8-19 Fully Inlined S-Function with the mdlRTW Routine . . . . . 8-21 S-Function RTWdata . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-22 The Direct-Index Lookup Table Algorithm . . . . . . . . . . . . . . . . 8-23 The Direct-Index Lookup Table Example . . . . . . . . . . . . . . . . . 8-24 Creating Code-Reuse-Compatible S-Functions . . . . . . . . . . 8-42 9 S-Function Callback Methods mdlCheckParameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2 mdlDerivatives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-4 mdlGetTimeOfNextVarHit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-5 mdlInitializeConditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-6 mdlInitializeSampleTimes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-8 mdlInitializeSizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-12 mdlOutputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-16 mdlProcessParameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-17 mdlRTW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-19 mdlSetDefaultPortComplexSignals . . . . . . . . . . . . . . . . . . . . . 9-20 mdlSetDefaultPortDataTypes . . . . . . . . . . . . . . . . . . . . . . . . . . 9-21 mdlSetDefaultPortDimensionInfo . . . . . . . . . . . . . . . . . . . . . . 9-22 mdlSetInputPortComplexSignal . . . . . . . . . . . . . . . . . . . . . . . . 9-23 mdlSetInputPortDataType . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-24