AR# 40412

System Generator - BitBasher - Error: expected a positive integer at column ##

Description

I'm attempting to use the Sysgen BitBasher block to slice a bus into multiple outputs while making use of a parameter or mask.

For example:

out1 = {input[external_param:4]}

out2 = {input[3:0]}

When doing so, I encounter the following error:

The following error occurred with the test/BitBasher block:
Expected a positive integer at column ## in line #

Why does this error occur?

Solution

This error occurs because BitBasher does not support masked parameterization of expressions.

For a list of limitations of this block, see the inline help for this block.

Help for the block is available by right-clicking on the block and selecting help.

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AR# 40412
Date	09/02/2014
Status	Active
Type	General Article
Tools	System Generator for DSP - 12.1 System Generator for DSP - 12.2 System Generator for DSP - 12.3 System Generator for DSP - 12.4

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