You can add blocks to the current model by opening the Library Browser and dragging and dropping the block onto the design canvas of the Simulink Editor. Open the Library Browser by clicking the button, or by selecting the command from the main menu. You will see the standard Simulink library of blocks, as well as the HLS library in the Xilinx Toolbox.
The HLS blocks are organized into sub-categories based on functionality. The figure below shows theblock library in the Library Browser.
Double-clicking a block in the Library Browser, opens the Block Parameter dialog box displaying the default values for the various parameters defined on the selected block. While the block is in the library, you can only view the parameters. To edit the parameters, you must add the block to the design canvas.
To get additional information about a block you can right-click a block in the Library Browser and select the Help command. Alternatively, you can double-click the block in the Library Browser and click the Help button from the block dialog box. The Help browser opens with specific information for the block.
When you drag and drop the block onto the canvas, the block is added to the model with the default parameter values defined.
Simulink models contain both signals and parameters. Signals are represented by the lines connecting blocks. Parameters are coefficients that define key characteristics and behavior of a block.