# Hardware
 - Raspberry PI W
 - HiFiBerry - DAC Plus

# Setup
## Operating System
 [Raspberry PI OS](/marcio.fernandes/raspberrypi)

## HiFiBerry Setup
*[Information source](https://www.hifiberry.com/docs/software/configuring-linux-3-18-x/)*
  
Remove/comment from /boot/config.txt if it exists, for disabling onboard sound.
  
    dtparam=audio=on

Add this lines to /boot/config.txt 
  
    force_eeprom_read=0
    dtoverlay=hifiberry-dacplus

Copy/download file [etc/asound.conf](etc/asound.conf) to /etc/    
  
Reboot

## Bluealsa/bluealsa-aplay  
  *Using pi as bluetooth speaker*     

### Install

    sudo apt update && sudo apt install bluealsa -y

### Start on boot

    sudo service bluealsa enable && sudo service bluealsa start

### How to use

#### Manual initialization  
    
    bluealsa-aplay 00:00:00:00:00:00

#### Automatically on boot
ALSA only allows one application using sound (bad sound quality experience with DMUX or pulseaudio). To control service start/stop use [onlyone](#onlyone) utility


#### Service Setup 
**Atention! Step not required if using [onlyone](#onlyone) utility**

*if used with squeezelite only one can be used on boot*  

Download/copy file [etc/systemd/system/bluealsaaplay.service](etc/systemd/system/bluealsaaplay.service) to /etc/systemd/system/

Start service

    sudo systemctl start bluealsaaplay

Start on boot  
        
    sudo systemctl enable bluealsaaplay


## SqueezeLite
*Requires Logitech Media Server check [instructions](/marcio.fernandes/lms) for server setup* 

### Install
1. Check latest [version](https://sourceforge.net/projects/lmsclients/files/squeezelite/linux/) SqueezeLite
1.  Download latest version

        cd /tmp
        wget https://sourceforge.net/projects/lmsclients/files/squeezelite/linux/squeezelite-1.9.9.1392-armhf.tar.gz  

1. Untar downloaded files
       
       tar -xvzf squeezelite-1.9.9.1392-armhf.tar.gz

1. Move untar file file to /usr/local/bin/

       sudo mv squeezelite /usr/local/bin      

1. Check if is executable 
       
       ls -la /usr/local/bin/squeezelite
  
1. If not make executable
        
       sudo chmod +x /usr/local/bin/squeezelite

### Setup
ALSA only allows one application using sound (bad sound quality experience with DMUX or pulseaudio). To control service start/stop use [onlyone](#onlyone) utility

#### Manual initialization  
    
    /usr/bin/squeezelite

#### Setup as service
**Atention! Step not required if using [onlyone](#onlyone) utility**         
Download/copy file [etc/systemd/system/squeezelite.service](etc/systemd/system/squeezelite.service) to /etc/systemd/system/  
              
*check file for squeezelite configurations*  
*squeezelite --help for arguments*  
*if used with bluealsa only one can be running*  

Start service  
    
    sudo systemctl start squeezelite

Enable on boot  
    
    sudo systemctl enable squeezelite

## onlyone  

[Git repository](/marcio.fernandes/onlyone)

**Prerequisites**  
- Git  

      sudo apt install git

- Chech [Git repository](/marcio.fernandes/onlyone) for more information on dependencies


### Setup

1. Download git  
    
        
        git clone https://git.limbosolutions.com/marcio.fernandes/onlyone.git
        cp -r onlyone/onlyone /srv  

1. Copy/download [configuration file](etc/onlyone/config.yaml) to /etc/onlyone

1. Change configuration file squeezelite player name  
    
1. Setup as service  
Copy/download [service file](etc/systemd/system/onlyone.service) to etc/system/systemd

      sudo systemctl enable onlyone.service && sudo systemctl start onlyone.service

### How to use onlyone
- user must be part of group onlyone (group is created on first service start)

      usermod -a -G onlyone USERNAME

- Start squeezelite  

      echo "squeezelite" > /tmp/onlyone_fifo

- Start bluealsaaplay  

      echo "bluetooth"  > /tmp/onlyone_fifo

- checking onlyone for errors or Information

      sudo systemctl status onlyone