Codebase Mapping

Codebase Mapping (scrypted-aprilaire)

How this repository implements the protocol.

Architecture

Scrypted DeviceProvider (AprilairePlugin)
 ├── AprilaireThermostat / Humidifier / Dehumidifier / OutdoorThermometer
 └── AprilaireClient + AprilaireSocket
 └── FunctionalDomain*.ts (binary codecs)

Source map

Concern	Location
TCP, CRC, enums, temp codec, frame parse	src/AprilaireClient.ts
NACK object	src/BasePayloadResponse.ts (NackResponse)
Control	src/FunctionalDomainControl.ts
Scheduling	src/FunctionalDomainScheduling.ts
Sensors	src/FunctionalDomainSensors.ts
Status / COS / Sync	src/FunctionalDomainStatus.ts
Setup (partial)	src/FunctionalDomainSetup.ts
Alerts (parse)	src/FunctionalDomainAlerts.ts
Identification	src/FunctionalDomainIdentification.ts
Lockout / Messaging / Display	stubs
Multi-stat ODT & hold broadcast	src/AprilairePlugin.ts
Protocol unit tests	tests/ (npm test)

Implementation status vs guide

Area	Status
Frame, CRC, actions	Done
Temperature encode/decode	Done
Control 2.1, 2.3, 2.4, 2.7	Done (product)
Control 2.5–2.6 Fresh air / air clean	Parse only
Control 2.2 Increment	Missing
Scheduling hold / heat blast / away codecs	Done; hold UX partial
Schedule settings / day	Missing
Sensors 5.2 + 5.4 written ODT	Done
Sensors 5.1 / 5.3	Partial / missing
Status COS write + Sync + status/IAQ/error	Done (product depth varies)
NACK parse	Done; auto-retry queue missing
Setup scale + partial installer	Partial
Date/time	Missing
Alerts	Parse; weak product surface
Identification	Done (name attr 0x05)
Lockout / messaging / display	Missing

Ports

Guide / series	Port
Default Wi‑Fi port	8000
Some 6000-series (field)	7000