European GNU Radio Days '24

DevTutorial 1: Core API and Block Development

27 Aug 2024, 15:30

45m

Main Lecturing Hall (FAIR - Facility for Antiproton and Ion Research in Europe GmbH)

Dev Tutorials Developers

Speaker

Alexander Krimm (GSI Helmholtz Centre for Heavy Ion Research)

Description

• Setting up a GR4 dev environment
• GNU Radio 4 Core API overview
  - instantiating Blocks
  - adding them to graphs, connecting them and
  - assigning a graph to be executed by a scheduler
  - Merged nodes will be introduced later -> see DevTutorial 3
• Basic to advanced block examples
  • different process_...() forms and their benefits/application
    - one vs bulk
    - std::span vs ConsumableSpan/ProducableSpan API for process bulk
  • tag handling
  • settings
• writing custom schedulers to control latency, throughput, prieorities, etc

Presentation materials

BlockTutorial.pdf

BlockTutorial_unexpanded.odp

Example Repository