Hier Blocks and Parameters: Difference between revisions
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A ''hier block'' is used to encapsulate and simplify multiple GNU Radio blocks into a single block. The example ''hier block'' will be a frequency shifter block which multiplies a ''Signal Source'' against an input signal. | A ''hier block'' is used to encapsulate and simplify multiple GNU Radio blocks into a single block. The example ''hier block'' will be a frequency shifter block which multiplies a ''Signal Source'' against an input signal. | ||
The first step is creating the flowgraph: | The first step is creating the flowgraph. Drag and drop the following blocks into the workspace: | ||
# ''Signal Source'' | |||
# ''Multiply'' | |||
# ''Throttle'' | |||
# ''QT GUI Frequency Sink'' | |||
# ''QT GUI Range'' | |||
Connect the blocks: | |||
Revision as of 16:30, 12 January 2022
This tutorial describes how to create a hierarchical block, or Hier block, in GRC. The previous tutorial, Creating Your First Block, demonstrates how to create your first GNU Radio block using the Embedded Python Block.
Creating a Flowgraph
A hier block is used to encapsulate and simplify multiple GNU Radio blocks into a single block. The example hier block will be a frequency shifter block which multiplies a Signal Source against an input signal.
The first step is creating the flowgraph. Drag and drop the following blocks into the workspace:
- Signal Source
- Multiply
- Throttle
- QT GUI Frequency Sink
- QT GUI Range
Connect the blocks: