En continuité avec le mouvement de musique pour oscilloscope, Oscillographe suscite une expérience sinestésique où son deviens l'image.

Oscillographe

Déploiement sur Raspberry pi

Installation Arch linux via linux

Partitions:

sudo fdisk /dev/sdX 

o -> clear 
p -> list partition
n -> new
p -> primary
1 -> first
accept default sector
+100M -> last 
    (remove signature yes)
t -> type
c -> W95 AT32 (LBA)
n -> new
p -> primary
2 -> second
accept default start sector
accept default end sector
w -> write

create file system

sudo mkfs.vfat /dev/sdX1
mkdir boot
sudo mount /dev/sdX1 boot

sudo mkfs.ext4 /dev/sdX2
mkdir root
sudo mount /dev/sdX2 root

deploy file system

wget http://os.archlinuxarm.org/os/ArchLinuxARM-rpi-2-latest.tar.gz
sudo bsdtar -xpf ArchLinuxARM-rpi-2-latest.tar.gz -C root
sync
sudo mv root/boot/* boot
sudo umount boot root

unplug uSd card, boot raspberry pi

manage userspace

create user / manage key

ssh alarm@[ip]
su [root]
pacman-key --init
pacman-key --populate archlinuxarm
passwd
useradd -m -g users -G audio,wheel,storage,power,uucp,lock artificiel
passwd artificiel
pacman -Sy sudo git base-devel
nano /etc/sudoers
    -> comment out wheel (both)
exit
exit
ssh artificiel@[ip]
sudo userdel alarm

get ssh id (need a artificiel account)

mkdir ~/aur && cd ~/aur
git -c http.sslVerify=false clone https://gitlab.artificiel.org:30000/aur/rsa-cloudclient.git 
cd rsa-cloudclient 
./pre-makepkg.sh
makepkg -sri
./install.sh

get maja (need a artificiel account)

cd ~/aur 
git clone ssh://git@gitlab.artificiel.org:30001/aur/maja.git
cd maja
./install.sh

configure core system via maja (need a artificiel account)

maja -i -g ssh://git@gitlab.artificiel.org:30001/aur/core-system.git

configure hardware

audio

sudo pacman -S alsa-utils

add to /boot/config.txt

dtparam=audio=on
audio_pwm_mode=2

video?

sudo pacman -S xf86-video-fbdev xf86-video-fbturbo-git

install openframeworks

maja -i -g ssh://git@gitlab.artificiel.org:30001/aur/openframeworks-git.git

get libs for armv7

cd $OF_ROOT
cd /scripts/linux
sudo ./download_libs.sh --platform linuxarmv7l
cd /archlinux_armv7
sudo sh install_dependencies.sh

flags in profile

sudo nano /etc/profile.d/of_pi.sh

export MAKEFLAGS=-j4 PLATFORM_ARCH=armv7l PLATFORM_VARIANT=raspberry2

Get addons

cd $OF_ROOT
cd addons
git clone https://github.com/gllmAR/ofxBasicSoundPlayer

Clone this repo

mkdir ~/src && cd src 
git clone git@github.com:gllmAR/oscillographe.git

make the projet

cd oscillographe
make

Troubleshoot

if software doesn't start, try to remove bin/data/setup.json