Configuring For Avs; Software Preparation; Hardware Preparation; Flashing The Firmware - Espressif Systems ESP32-LyraTD-DSPG User Manual

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2.

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
Windows users may also use a graphical tool to flash firmware into the board using the
Flash Download
2. Downloading Firmware
Please follow the build instructions of the Alexa SDK from the Github page:
github.com/espressif/esp-va-sdk.
�� 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
DSPG sales representative for obtaining a Amazon certified wake-word engine.
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:
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
Espressif
Configuring for AVS
ESP-IDF Programming Guide.
Tool.
https://play.google.com/store/apps/details?
repository on Github for setup on other platforms.
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2. Configuring for AVS
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2019.07