Espressif Systems ESP32-LyraTD-DSPG, User Manual

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2. Configuring for AVS
2. Configuring for AVS
2.1. Software Preparation
1. Installing Flash Download Tool
Linux/macOS/Windows users can use the terminal to flash firmware. For more details,
please check
ESP-IDF Programming Guide .
Windows users may also use a graphical tool to flash firmware into the board using the
Flash Download Tool .
2. Downloading Firmware
Please follow the build instructions of the Alexa SDK from the Github page: https://
github.com/espressif/esp-va-sdk .
3. Debugging Tool
Use serial monitor/console that suits your development environment at baud rate of
115200.
4. App for Provisioning
In order to run Alexa you need to provision LyraTD-DSPG with Alexa credentials and
network settings (Wi-Fi ssid and passphrase). Please install the android APK from the
Play Store here:
https://play.google.com/store/apps/details?
id=com.espressif.provbleavs . iOS support will be available soon.
2.2. Hardware Preparation
•
1 x PC (Linux Operating System is recommended).
• 1 x LyraTD-DSPG.
•
2 x Micro USB cables (one is for the USB power supply).
•
1 x Speaker or 1 x earphone.
2.3. Flashing the Firmware
This document captures the process for flashing the firmware on Windows. Please refer to
the
ESP-VA-SDK repository on Github for setup on other platforms.
📖 Note:
The GitHub repository uses Espressif’s wake-word engine (WWE) for processing the ‘Alexa’ wakeword.
This allows easy evaluations. For production use case, please reach out to
sales@espressif.com or your
DSPG sales representative for obtaining a Amazon certified wake-word engine.
Espressif ! /16 3 2019.07