Edge AI Development Guide

Edge AI Board Context

GitHub: Edge AI Milestone

Hardware

• SoC: i.MX8MM (Cortex-A53), Audio: TAS2563 dual-chip, USB audio gadget
• Wireless: IW612 (WiFi 6, BT 5.4, 802.15.4)
• Sensors: BGT60TR13C radar, LIS2DH12, SHT40, Power: STUSB4500

TAS2563 Audio ✅

• Config: Dual-chip (0x4C/0x4D), SAI interface, stereo capture
• Driver: Android TAS2563 with firmware support
• Files: lmp-device-tree/imx8mm-jaguar-sentai.dts, kernel configs

Audio Stack ✅

• Driver: Android TAS2563 with firmware support (tas2563_uCDSP.bin)
• ALSA: Stereo capture, 48kHz/16-bit, container support
• PulseAudio: System-wide, Unix socket, Docker integration
• USB Audio Gadget: Debugging feature (disabled by default)
• Testing: scripts/detect-audio-hardware.sh, scripts/test-tas2563-mics.sh

USB Audio Gadget (Debugging) 🔧

• Purpose: Board appears as USB audio device to host computer
• Service: usb-audio-gadget.service (disabled by default)
• Usage: sudo systemctl start usb-audio-gadget.service
• Manual: sudo setup-usb-audio-gadget setup

Wireless ✅

• IW612: WiFi 6, BT 5.4, 802.15.4 concurrent operation
• NetworkManager: Dynamic connections, cellular, hotspot

Sensors ✅

• Radar: BGT60TR13C (SPI, presence detection)
• Environmental: SHT40 (temp/humidity), LIS2DH12 (accel), STTS22H

Build & Test

export MACHINE=imx8mm-jaguar-sentai
kas build kas/lmp-dynamicdevices.yml

# Audio test
arecord -Dhw:0,0 -f S16_LE -r 48000 -c 2 test.wav

# Sensor test  
sensors

Documentation

• Main: context/MAIN_CONTEXT.md
• Wiki: wiki/Edge-AI-Board.md