MATLAB SIMULINK 7 - DEVELOPING S-FUNCTIONS User's Guide download pdf (Page 147)

The C MEX S-Function SimStruct

3-103

ssSetInputPortOffsetTime

(S,inputPortIdx,offset)

Used in mdlInitializeSizes (a fter

ssSetNumInputPorts)tospecifythesampletimeoffset

for each input port index. You can use this macro in

conjunction with

ssSetInputPortSampleTime if you have

specified port-based sample times for your S-function.

ssSetInputPortOverWritable

(S,inputPortIdx,value)

Used in mdlInitializeSizes (a fter

ssSetNumInputPorts) to specify whether the input port

is overwritable by an output port. The default is

value=0,

which means that the input port does not share memory

with an output port. When

value=1,theinputport

shares memory with an output port.

Note that

ssSetInputPortReusable and

ssSetOutputPortReusable must both be set to 0,

meaning that neither port involved can have global and

persistent memory.

Table 3-7: Input and Output Port Signal SimStruct Macros (Continued)

Macro Description

1 2 ... 142 143 144 145 146 147 148 149 150 151 152 ... 209 210

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MATLAB SIMULINK 7 - DEVELOPING S-FUNCTIONS User's Guide Page 147