Software Development for APS-Upgrade LLRF
T. Madden, N. Arnold, T. Berenc, E. Breeding, T. Fors, G. Shen, S., Veseli, Y. Yang, K. Vodopivec, W. Yoder

TL;DR
This paper describes the development of a comprehensive, real-time, service-based software system for data acquisition and control in the APS accelerator upgrade, supporting multiple hardware platforms and advanced visualization tools.
Contribution
It introduces a new EPICS 7-based DAQ system with multi-platform support and real-time visualization for LLRF systems in the APS upgrade.
Findings
Successful integration of EPICS 7 IOC applications for LLRF hardware
Real-time data collection and visualization capabilities implemented
Support for multiple hardware platforms including LLRF4 and MTA
Abstract
An extensive service-based software system has been developed for real-time data acquisition (DAQ) on numerous subsystems of the Advanced Photon Source (APS) accelerator. The software, called DAQ, is based upon EPICS 3 Area-Detector with added EPICS 4 services, with EPICS 3 + 4 being called EPICS 7. DAQ is comprised of several network services including file storage and processing as well as numerous EPICS 7 Input-Output Controller (IOC) applications that collect data and publish to EPICS 7 from accelerator subsystems, including power supplies, diagnostics, timing, and RF systems. For the APS upgrade extensions to the DAQ software have been developed for digital Low Level RF (LLRF) systems supporting multiple hardware platforms including Lawrence Berkeley Laboratory's LLRF4 hardware and Micro Telecommunications Computing Architecture. EPICS 7 IOCs for LLRF run on multiple threads for…
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Taxonomy
TopicsParticle Detector Development and Performance · Particle Accelerators and Free-Electron Lasers · Radiation Detection and Scintillator Technologies
