• Download lastest verison of Raspbian Stretch Lite here: https://www.raspberrypi.org/downloads/raspbian/
• Follow the guide here https://www.raspberrypi.org/documentation/installation/installing-images/README.md
• Insert SD card and power up your Raspberry Pi
• Follow the guide here: https://github.com/monome/norns-image/blob/master/build-dev-image.md
Stop once you get to the kernel section.
Follow these two gudies to configure and build a 4.14 kernel:
https://www.raspberrypi.org/documentation/linux/kernel/building.md
https://www.raspberrypi.org/documentation/linux/kernel/configuring.md
• Run make menuconfig
from the linux folder
• Change the following options:
Kernel Features—>Timer Frequenecy 1000hz
(Optional)Kernal Features —> Preemption Model —> Preemptive kernel (low-latency dektop)
CPU Power Management —> CPU Frequency scaling —> default CPUFreq governor (performance)
You may also want to alter /boot/config.txt e.g. if your using touchscreens
• Once installed, reboot the Raspberry Pi
• Complete the the rest of the building guide
• Run git clone https://github.com/monome/norns-image.git
• Run nano norns-image/config/norns-init.service
• Change line:ExecStart=/usr/bin/amixer set Master 255 on
to ExecStart=/usr/bin/amixer set PCM 255 on
(Depending on your audio interface, you can find out if you need this by using the command amixer
)
• Comment out the following by placing a #
at the start of the following lines:
ExecStart=-/usr/sbin/i2cset -y 1 0x28 0x00
ExecStart=-/usr/sbin/i2cset -y 1 0x28 0x40
Press Ctrl+X
and then Y
to save changes and exit.
• Run nano norns-image/scripts/init-norns.sh
• Comment out the i2cset
lines by placing a #
at the start of each line•
• Run nano norns-image/config/norns-jack.service
• Change hw:1
to your audio device
Press Ctrl+X
and then Y
to save changes and exit.
Complete the following steps to stop Norns overwriting your network settings and configuring the 'norns' access point.
• Run nano norns-image/setup.sh
• Comment out the WiFi setcion by placing a #
at the start of each line:
Press Ctrl+X
and then Y
to save changes and exit.
• Run nano norns-image/config/norns-maiden.service
• Remove .arm
from the end of /home/we/maiden/maiden.arm
Press Ctrl+X
and then Y
to save changes and exit.
• Run ./norns-image/setup.sh
• Run cd ~
• Run git clone https://github.com/monome/dust
• Run cd ~
• Run git clone https://github.com/monome/norns
• Runsudo nano /lib/systemd/system/systemd-udevd.service
• Change MountFlags=slave
to MountFlags=shared
• Run cd ~/norns
• Run ./waf configure
• Run ./waf
• Run pushd sc
• Run ./install.sh
• Run popd
• Run touch ~/.jackdrc
• Run cat ~/norns-image/config/jackdrc >> ~/.jackdrc
• Run sudo usermod -a -G video we
to ensure that the user can access the framebuffer
• Download latest .tgz release from https://github.com/monome/maiden/releases
• Extract it to ~/maiden
Reboot and enjoy