This document details the subtasks, which are lightweight routines managed by the Subtask Scheduler Task (see tasks.md). These subtasks share the resources of their managing FreeRTOS task, significantly reducing RAM usage compared to individual FreeRTOS tasks. They are designed to be non-blocking and execute quickly, yielding control back to the Subtask Scheduler Task when they need to wait. The return value of the subtasks tells the scheduler how long it should wait until re-executing that subtask.

Overview of Subtasks

Task	Run Condition
Display Subtask	If the flag ENABLE_DISPLAY is true and ENABLE_TEST_MODE is false
Status LED Subtask	Always runs
RGB LEDs Subtask	If the flag ENABLE_TEST_MODE is false
Buzzer Subtask	If the flag ENABLE_BUZZER is true and ENABLE_TEST_MODE is false

Display Subtask

Manages the built-in display and interaction with it via the two buttons

Status LED Subtask

Implements various modes for the main status LED (e.g., solid on, off, slow blink, fast blink).

RGB LEDs Subtask

Executes dynamic lighting routines and patterns on the RGB LED strips.

Buzzer Subtask

Handles the playback of individual tones or complex sound sequences.