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AVS Firmware JSON Configuration

Last Updated on : 2022-03-02 02:05:56download

As the Alexa Voice Service (AVS) products have a lot of configurable information, JSON configurations are added to the firmware to match different needs.

The steps for setting parameters are as follows:

adb shell
nvram set .......
nvram commit
reboot -f

The specific configuration items and format of the firmware are shown in the following table:

Configuration item	Configuration format	Function
UUID	`nvram set UUID tuyac2e7a966378e9f9c`	Set device authorization code UUID
Authkey	`nvram set AUTHKEY WJ30AQfmOLWYnjGG32rBHM44RYrvIyyL`	Set authorization code Authkey
PRODUCT_KEY	`nvram set PRODUCT_KEY keyrqahskuvgn8cr`	Set the firmware Key configuration item, the same as the product PID on the Tuya IoT platform.
ZIGBEE_ENABLE	`nvram set ZIGBEE_ENABLE 0`	Confirm whether to integrate Zigbee gateway function. `0`: no. Default value. `1`: yes.
AVS_PID	`nvram set AVS_PID smart_mirror`	Set Amazon’s product ID. You can get it on the Amazon platform, and the default is `Tuya_module_RK3308`. Note: You can apply for AVSPID in the Amazon backend.
MCU_UART_SPEED	`nvram set MCU_UART_SPEED 9600`	Set your MCU connection baud rate. The default is 115200.
FIRM_TYPE	`nvram set FIRM_TYPE MCU`	Set device firmware type. MCU: User serial port can be used for communication. (default) SoC: The user serial port is not open for communication.
avs_gateway_addr	`nvram set avs_gateway_addr https://alexa.na.gateway.devices.a2z.com`	Select AVS service communication gateway address https://alexa.na.gateway.devices.a2z.com, which means Canada, Mexico, the United States and other North American countries. Default value. https://alexa.eu. gateway.devices.a2z.com, which means Austria, France, Germany, India, Italy, Spain, and United Kingdom. https://alexa.fe.gateway.devices.a2z.com, which means Australia, Japan, and New Zealand. Note: When setting the gateway address configuration information, if it is not in the above country list, you can use the North American country address by default.
wakeup_luanuge	`nvram set wakeup_luanuge english_us`	Select wakeup word language: (default) english_us portuguese_br english_au french_ca french_fr german_de english_uk english_in spanish_es spanish_mx italian_it japanese_jp Note: `english_uk` is not supported temporarily.
respond_lanuage	`nvram set respond_lanuage english_us`	Select device response language: (default) english_au english_ca english_in english_uk english_us french_fr german_de hindi_in italian_it japanese_jp portuguese_br spanish_es spanish_mx spanish_us Note: `spanish_mx` is not currently supported.
ble_name	`nvram set ble_name HanSong`	Set the search name of the Bluetooth speaker function. The default is `speaker_avs Speaker + last four digits of the Mac address`.
GST_MAX_VOLUME	`nvram set GST_MAX_VOLUME 100`	Set the maximum volume of the device. The effective range is 0-100, and the default is 100.
led_brightness	`nvram set led_brightness 128`	Set the maximum brightness of the device indicator, the effective range is 0-255, and the default is 128.
persist.run.debug	`nvram set persist.run.debug 1`	Set the firmware type before the device network is activated, and the default user serial port is closed after the device is activated. `1`: The debug serial port is open. `0`: The debug serial port is closed. Note: Before the device is configured, the debug serial port is in the open state. The debug serial port is automatically closed after the device is successfully connected to the network.

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