# Chill

Zephyr RTOS firmware with mode control, addressable LEDs, PWM bar, IMU, and ambient light sensing. Config is persisted to flash via NVS.

## Shell Commands

All commands are available over the Zephyr shell (USB).

### `mode`

| Command | Args | Description |
|---|---|---|
| `mode set` | `<phase_a_ms> <phase_b_ms>` | Set phase durations, save to flash, and restart |
| `mode color` | `<name>` | Set LED color by name, save to flash, and restart |
| `mode duration` | `<ms>` | Set color animation duration, save to flash, and restart |
| `mode status` | — | Print current config (phases, color, duration) |
| `mode colors` | — | List all available color names with RGB values |

> See [DEBUG.md](DEBUG.md) for development/test commands.