CLKINV_f

Input activation port

Block Screenshot

Contents

• Input activation port +

  • Palette
  • Description
  • Dialog box
  • Default properties
  • Example
  • Interfacing function
  • See also

Palettes

• `Port & Subsystem palette`_
• Sources palette
• Event handling palette

Description

This block represent an activation input port. It must only be used inside a Xcos Super Block and be connected on an activation input in the subsystem.

This block is a event link from outside of a system into a sub-system. In a Super Block, the activation’s input ports must be numbered from 1 to the total number of activation’s input ports. You can set it with the Port number parameter.

Dialog box

• Port number An integer defining the port number. Properties : Type ‘vec’ of size 1.

Default properties

• always active: no
• direct-feedthrough: no
• zero-crossing: no
• mode: no
• number/sizes of activation inputs: 0
• number/sizes of activation outputs: 1
• continuous-time state: no
• discrete-time state: no
• object discrete-time state: no
• name of computational function: input

Example

In this example, we create a square wave generator with two inverted outputs by using a SUPER_f block with the contents shown in the following figure, where you can see the use of the CLKINV_f block as event input of the internal square wave generator. Open this example in Xcos .

The following figure shows the output of the bloc :

Interfacing function

• SCI/modules/scicos_blocks/macros/Sources/CLKINV_f.sci

See also

• CLKOUTV_f Output activation port
• SUPER_f Super block