felix-interface

This page documents two interfaces:

• felix-client-thread, to communicate with FELIX over the network;

• felix-direct-readout, to read out FELIX ToHost DMA buffers, intended only for Data Handler.

Last compiled: Feb 13, 2026

felix-client-thread API

• Introduction
• Constructing a felix-client-thread instance
• Subscribing to felix-tohost
• Sending data to felix-toflx
• Accessing FELIX card registers
• Executing functions on the event loop
• Monitoring
• Trickle configuration (ITk)
• Migration to 5.2.0

felix-direct-readout API

Documentation can be found in this appendix.