MATLAB SIMULINK 7 - DEVELOPING S-FUNCTIONS User's Guide download pdf (Page 142)

3 Writing S-Functions As C-MEX files

3-98

ssGetParentSS(S)

This is typically not used in S-functions. It returns the parent

SimStruct or NULL if the S is the root SimStruct.

ssGetRootSS(s)

This is typically not used in S-functions. It returns the root

SimStruct of the tree of SimStruct’s.

ssSetPlacementGroup

(S,groupName)

This is an advanced feature typically used for Real-Time Workshop

device driver blocks. It is provided for S-functions that are either

sources (i.e., no input ports) or sinks (i.e., no output ports).

S-functions which share the same placement group name string

will be placed adjacent to each other in block execution (i.e., the

sorted list). The placement group should be set in

mdlInitializeSizes.

Table 3-5: General SimStruct Macros (Continued)

Macro Description

1 2 ... 137 138 139 140 141 142 143 144 145 146 147 ... 209 210

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MATLAB SIMULINK 7 - DEVELOPING S-FUNCTIONS User's Guide Page 142