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Amazon Alexa

參考固件

固件：ROC-RK3308B-CC Alexa

Amazon授權

使用 Alexa Voice Service，首先你需要注冊一個Amazon賬號，向 Amazon 注冊你的產品，并對你的 alexa client 進行授權。

第一步，按照官方指導，仔細的按照步驟，注冊你的產品，并創建安全配置文件。

第二步，得到你的 Client ID 和 Product ID

獲取 Product ID：

獲取 Client ID：

使用流程

注意：Alexa Voice Service 不支持中文。

● 上電開機，如果沒有配置網絡，先進行配網。

● 將上面獲得的Client ID 和 Product ID填入/oem/AlexaClientSDKConfig.json的deviceInfo屬性：

"deviceInfo":{// Unique device serial number. e.g.123456"deviceSerialNumber":"123456", // The Client ID of the Product from developer.amazon.com"clientId":"YOUR_CLIENT_ID", // Product ID from developer.amazon.com"productId":"YOUR_PRODUCT_ID"},

● 執行下面命令啟動 Alexa

SampleApp /oem/AlexaClientSDKConfig.json /oem/resources/

● 第一次啟動需要進行認證授權，按提示打開對應網頁，輸入驗證碼進行認證即可

################################### NOT YET AUTHORIZED #################################################################################################################################### To authorize, browse to: 'https://amazon.com/us/code' and enter the code: AT4HLU ################################################################################################################################################### Checking for authorization (1)... ##################################################

● 認證過程中，稍等幾分鐘后，就可以與 Alexa 進行對話，可通過呼叫“alexa”喚醒，不過大部分交互體驗都要通過命令行引導。

+----------------------------------------------------------------------------+|Options:||Wake word:||Simply say Alexa and begin your query.||Tap to talk:||Press't'and Enter followed by your query(no needforthe'Alexa').||Hold to talk:||Press'h'followed by Enter to simulate holding a button.||Then say your query(no needforthe'Alexa').||Press'h'followed by Enter to simulate releasing a button.||Stop an interaction:||Press's'and Enter to stop an ongoing interaction.||Privacy mode(microphone off):||Press'm'and Enter to turn on and off the microphone.||Echo Spatial Perception(ESP): This isfortesting purpose only!||Press'e'followed by Enter at anytimeto adjust ESP settings.||Playback Controls:||Press'1'fora'PLAY'button press.||Press'2'fora'PAUSE'button press.||Press'3'fora'NEXT'button press.||Press'4'fora'PREVIOUS'button press.||Settings:||Press'c'followed by Enter at anytimeto see the settings screen.||Speaker Control:||Press'p'followed by Enter at anytimeto adjust speaker settings.||Firmware Version:||Press'f'followed by Enter at anytimeto report a different||firmware version.||Info:||Press'i'followed by Enter at anytimeto see thehelpscreen.||Reset device:||Press'k'followed by Enter at anytimeto reset your device. This||will erase any data stored in the device and you will have to||re-register your device.||This option will alsoexitthe application.||Reauthorize device:||Press'z'followed by Enter at anytimeto re-authorize your device.||This will erase any data stored in the device and initiate||re-authorization.||Quit:||Press'q'followed by Enter at anytimeto quit the application.|+----------------------------------------------------------------------------+

資源

Alexa 源碼目錄：

SDK/external/alexaClientSDK/

Buildroot 的 Alexa package 目錄：

SDK/buildroot/package/rockchip/alexaClientSDK/

Alexa 沒有自啟動入口，需要進入系統后自己手動啟動Alexa，方法如上一節。如果需要自啟動，則可以參考DuerOS。

編譯方法

● 編譯之前，亦可將上面獲得的Client ID 和 Product ID填入SDK/device/rockchip/rk3308/alexa/AlexaClientSDKConfig.json的deviceInfo屬性，這樣固件就默認的帶有了Client ID 和 Product ID信息。

● 甚至可以從已經認證過的設備中，拷貝/oem/application-necessities/cblAuthDelegate.db到SDK中device/rockchip/rk3308/alexa/application-necessities/cblAuthDelegate.db，這樣Alexa就會跳過認證，直接開始對話。

● 編輯 device/rockchip/rk3308/BoardConfig.mk 文件，將OEM_PATH=oem修改為OEM_PATH=alexa，保存退出

● 配置 firefly_rk3308_release

sourcebuildroot/build/envsetup.sh

選擇[1]，按回車，配置成功后如下