Defining variable scope

The variable scope determines how variables are referenced. There are five scope attributes.

Scope

Function

Constant

Constant value used inside the state chart. You can only assign it a default value.

External

For code generation. It is external to the block diagram and defined in handwritten C code outside the diagram.

Input

Passes information to the state chart. You can assign it a type, number, and default value.

Local

Value used inside the state chart.

Output

Passes information from the state chart to the block diagram. You can assign it a type, number, and default value.