Chapter 5: Understanding IOC Application Configuration

An EPICS Input/Output Controller (IOC) application requires configuration to define its behavior, load databases, initialize hardware interfaces, and set various parameters. The primary file responsible for the initial setup of an IOC instance is the startup script, typically named st.cmd. Additionally, other files like configure/RELEASE, configure/CONFIG_SITE, and system.dbd play crucial roles in defining dependencies, site-specific settings, and the overall database definition.

This chapter covers the following topics:

• Style of st.cmd: Style of st.cmd Commands
• RELEASE file: Deep Insight on configure/RELEASE
• CONFIG_SITE file: configure/CONFIG_SITE - Controlling Application-Specific Build Options
• system.dbd file: What system.dbd file is