Programming & Control Basics

Control systems, processors, and program logic

Move from signals to behavior. Learn how a commercial AV control system works, the transport types it uses (serial, IP, relay, IR), the programming primitives that drive it, and how to express a room's behavior as logic you can program.

Key Competency

Write room control logic and explain how a control system talks to devices.

AV Institute · Week 2Programming & Control Basics

Field Assignment

Write a Room Control Logic Specification

Est. 60 minCompetency: Produce a written specification a programmer could implement from.

Learning objectives

Document room states and transitions.
Specify each control action and its feedback.
Define error handling and timeouts.

Assignment brief & submission

Write a control logic specification for the conference room from the lab. This is the document a programmer uses — and that a reviewer signs off before code is written.

Required sections

1Room states and allowed transitions (state diagram in words).
2Per-button behavior: action, commands sent, expected feedback, UI update.
3Volume and mute behavior with feedback.
4Source selection and interlock rules.
5Error handling: what counts as an error, timeout values, what the user sees.

Why a spec

A spec separates 'what the room must do' from 'how the code does it.' It lets you and a reviewer agree on behavior before implementation, and it documents the system for whoever maintains it next.

Implementation checklist

✓All states and transitions listed.
✓Each button's behavior fully specified with feedback.
✓Volume/mute and source interlock rules explicit.
✓Error handling and timeouts defined.

Downloadable study guide

study-guide.txtcopy-paste ready

01. Spec = states/transitions + per-button behavior + volume/mute + source rules + error handling.
02. Separate 'what' (spec) from 'how' (code).
03. Define timeouts and user-visible error states.