Voice assistant Alexa on Raspberry Pi

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scp config.json pi@192.168.0.XXX:/home/pi

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ssh pi@192.168.0.XXX

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wget https://raw.githubusercontent.com/alexa/avs-device-sdk/master/tools/Install/setup.sh 
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wget https://raw.githubusercontent.com/alexa/avs-device-sdk/master/tools/Install/genConfig.sh 
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wget https://raw.githubusercontent.com/alexa/avs-device-sdk/master/tools/Install/pi.sh

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sudo apt install libgstreamer1.0-dev gstreamer1.0-plugins-{bad,base,good,ugly} gstreamer1.0-{omx,alsa}

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cd /home/pi/
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sudo bash setup.sh config.json

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sudo bash startsample.sh

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scp sounds.zip pi@192.168.0.XXX:/home/pi

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sudo unzip sounds.zip

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cd 'Alexa sound library for AVS'/ful
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sudo cp * ~/sounds

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cd ~

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sudo nano /home/pi/avs-device-sdk/SampleApp/src/UIManager.cpp

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system("play /home/pi/sounds/ful_ui_wakesound.wav");

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sudo nano /home/pi/avs-device-sdk/SampleApp/src/UserInputManager.cpp

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SampleAppReturnCode UserInputManager::run() {
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    bool userTriggeredLogout = false;
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    m_interactionManager->begin();
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    while (true) {

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std::this_thread::sleep_for(std::chrono::hours(1));
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continue;

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SampleAppReturnCode UserInputManager::run() {
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    bool userTriggeredLogout = false;
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    m_interactionManager->begin();
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    while (true) {
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        std::this_thread::sleep_for(std::chrono::hours(1));
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        continue;

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cd ~
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sudo bash setup.sh config.json

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sudo nano alexa.sh

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#!/bin/bash
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cd "/home/pi/build/SampleApp/src"
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PA_ALSA_PLUGHW=1 ./SampleApp "/home/pi/build/Integration/AlexaClientSDKConfig.json" "/home/pi/third-party/alexa-rpi/models" NONE

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sudo chmod +x alexa.sh

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sudo nano /lib/systemd/system/alexa.service

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[Unit]
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Description=Amazon Alexa
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Wants=network-online.target
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After=network-online.target
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[Service]
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Type=simple
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ExecStart=/home/pi/alexa.sh
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Restart=on-abort
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User=pi
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Group=pi
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[Install]
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WantedBy=multi-user.target

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sudo systemctl enable alexa.service

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sudo chown -R pi:pi ~/db

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sudo reboot

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vcgencmd measure_temp

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sudo nano /etc/modprobe.d/raspi-blacklist.conf

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blacklist snd_bcm2835

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blacklist videobuf2_dma_contig
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blacklist videobuf2_vmalloc
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blacklist videobuf2_memops
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blacklist videobuf2_v4l2
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blacklist videobuf2_common

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#dtparam=audio=on

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pcm.!default { 
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   type asym 
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   playback.pcm { 
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       type plug 
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       slave.pcm "hw:1,0" 
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   } 
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   capture.pcm { 
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       type dsnoop 
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       ipc_key 5432 
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       slave { 
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           pcm "hw:1,0" 
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           buffer_size 96000 
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       } 
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   } 
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}

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sudo pip3 install respeaker

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sudo nano /etc/udev/rules.d/51-respeaker.rules

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SUBSYSTEM=="input", GROUP="input", MODE="0666" 
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SUBSYSTEM=="usb", ATTRS{idVendor}=="XXXX", ATTRS{idProduct}=="XXXX", MODE:="666", GROUP="plugdev"

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lsusb

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Bus 001 Device 002: ID 0424:9514

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sudo udevadm control —reload-rules

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sudo pip3 install pyusb
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sudo pip3 install webrtcvad

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git clone https://github.com/respeaker/respeaker_python_library.git

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sudo raspi-config

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5 Interfacing Options  Configure connections to peripherals

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P4 SPI Enable/Disable automatic loading of SPI kernel module

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Would you like the SPI interface to be enabled?

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python3 ~/respeaker_python_library/respeaker/pixel_ring.py

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pcm.!default { 
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  type asym 
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  playback.pcm { 
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      type plug 
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      slave.pcm "hw:0,0" 
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  } 
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  capture.pcm { 
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      type dsnoop 
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      ipc_key 5432 
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      slave { 
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          pcm "hw:1,0" 
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          buffer_size 96000 
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          channels 1 
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          rate 16000 
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          format S16_LE 
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      } 
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  } 
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}