Writing S-Functions

Implementing Block Features

The following sections explain how to use S-function callback methods to implement various block features.


Dialog Parameters	How to process parameters passed via the S-function block's dialog box.
Run-Time Parameters	How to create and use run-time parameters.
Creating Input and Output Ports	How to create input and output ports on a block.
Custom Data Types	How to create custom data types for the values of a block's signals and parameters.
Sample Times	How to specify the rate or rates at which your block operates.
Work Vectors	How to create and use work vectors.
Function-Call Subsystems	How to create a function-call subsystem.
Processing Frame-Based Signals	How to create an S-function that process frame-based signals.
Handling Errors	How to handle errors in an S-function.
S-Function Examples	Examples of S-functions.

Porting Legacy Code Dialog Parameters