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DEPRECATED IN FAVOR OF https://github.com/badaix/snapos/

snapcast-pi

This project uses buildroot to build snapcast for the raspberry pi. This example was tested with the raspberry pi zero, but has configurations for all raspberry pi models.

Build Environment

For convenience the build environment has been containerized using docker. To get started, simply install docker for your machine.

For more information on the docker image or to build it yourself see nickaknudson/buildroot-docker and nickaknudson/buildroot.

If you do not wish to use the provided docker container then you will need to install all of the buildroot dependencies yourself.

Building

Clone this repository and change directory:

git clone https://github.com/nickaknudson/snapcast-pi.git && cd snapcast-pi

Enter the build environment:

docker run -it -v $(pwd):/home/buildroot/snapcast-pi -w /home/buildroot/snapcast-pi nickaknudson/buildroot /bin/bash

(Use the following if using a SElinux-enabled host such as Fedora, RHEL, Scientific Linux, etc.:)

docker run -it -v $(pwd):/home/buildroot/snapcast-pi:Z -w /home/buildroot/snapcast-pi nickaknudson/buildroot /bin/bash

Clone buildroot:

BUILDROOT_VERSION=2016.11.2
git clone --branch $BUILDROOT_VERSION --depth=1 git://git.buildroot.net/buildroot ~/buildroot

Clone snapcast:

git clone --depth=1 https://github.com/badaix/snapcast.git ~/snapcast

Configure buildroot (this command is for raspberry pi zero, see buildroot-external/configs folder for other configurations):

make O=~/buildroot-output BR2_DL_DIR=~/buildroot-dl BR2_EXTERNAL=~/snapcast/buildroot:~/snapcast-pi/buildroot-external -C ~/buildroot snapcastpi0_defconfig

Use menuconfig to add additional packages (optional):

make O=~/buildroot-output BR2_DL_DIR=~/buildroot-dl BR2_EXTERNAL=~/snapcast/buildroot:~/snapcast-pi/buildroot-external -C ~/buildroot menuconfig

Build:

make O=~/buildroot-output BR2_DL_DIR=~/buildroot-dl BR2_EXTERNAL=~/snapcast/buildroot:~/snapcast-pi/buildroot-external -C ~/buildroot

Just build the snapcast binary:

make O=~/buildroot-output BR2_DL_DIR=~/buildroot-dl BR2_EXTERNAL=~/snapcast/buildroot:~/snapcast-pi/buildroot-external -C ~/buildroot package/snapcast

Flashing

Copy the build products from the container back to the host machine:

cp -R ~/buildroot-output/images .

Exit the build environment:

exit

Find your SD card:

df -h

Flash the SD card (where dev/sdX is from above):

dd bs=4M if=images/sdcard.img of=/dev/sdX

Tips

By design, docker will launch a new container every time you call docker run. But you can attach to old containers which will still contain all of the old build products.

First find the container that you want:

docker ps -a

Then start it if it is stopped:

docker start <container_id>

Then attach to it:

docker attach <container_id>

If you want to remove old containers to free up hard disk space:

docker containers prune