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1–6 Nov 2026
Dongguan Exhibition International Hotel
Asia/Shanghai timezone

EPICS Integration of an MRF VME EVR on a Linux CPU without CR/CSR Support

3 Nov 2026, 14:20
20m
Dongguan Exhibition International Hotel

Dongguan Exhibition International Hotel

Speaker

Mr Di Wang (KEK)

Description

Standard EPICS integration of MRF VME-EVR timing modules relies on VME CR/CSR space for board discovery, base address assignment, and interrupt setup. To address the issue where certain VME CPUs lack hardware support for CR/CSR access in their PCIe-to-VME bridge, an integration approach was implemented to configure the EVR base address and interrupt over the EVR's onboard UDP interface. A low-level epics interface was also implemented for the CPU's Linux VME driver to handle VME address mapping and data access.

Primary author

Mr Di Wang (KEK)

Presentation materials

There are no materials yet.