Writing S-Functions

ssGetInputPortWidth

Get the width of an input port.

C Syntax

• int_T ssGetInputPortWidth(SimStruct *S, int_T port)
  

Ada Syntax

• function  ssGetInputPortWidth(S : in SimStruct; 
  port : in Integer := 0) return Integer;
  

Arguments

S
   SimStruct representing an S-Function block.

port
   Index of port whose width is required.

Description

Gets the input port number of elements. If the input port is a 1-D array with w elements, this function returns w. If the input port is an M-by-N matrix, this function returns m*n. If m or n is unknown, this function returns DYNAMICALLY_SIZED. Use in any routine (except mdlInitializeSizes) to determine the width of an input port.

Languages

Ada, C

See Also
ssSetInputPortWidth

ssGetInputPortSignalPtrs

ssGetIWork