usma_embedded_computer

Instructions on configuring an embedded computer such as a Raspberry Pi or Odroid

Raspberry Pi 2

Configure embedded computer with Ubuntu and ROS (Raspberry Pi 2)

1. Install [Ubuntu 14.04 LTS] (https://wiki.ubuntu.com/ARM/RaspberryPi) on a microSD card (32GB is typically large enough).

• These [instructions] (https://www.raspberrypi.org/documentation/installation/installing-images/linux.md) are helpful as well.

2. Connect your RPi2 using wired Ethernet.

• If a wired connection is unavailable, use a USB-tether on a phone or hotspot. Check with the CSG.
• Set up your RPi2 interfaces to allow a USB tether:
• $ sudo nano /etc/network/interfaces

allow-hotplug usb0
iface usb0 inet dhcp

3. Install linux-firmware drivers to enable wifi and ssh.

• sudo apt-get install linux-firmware
• sudo apt-get install wicd
• sudo apt-get install openssh-server

4. Setup [wifi] (https://help.ubuntu.com/community/NetworkConfigurationCommandLine/Automatic) on your device.

• Aother [reference] (https://learn.adafruit.com/adafruits-raspberry-pi-lesson-3-network-setup/setting-up-wifi-with-occidentalis).
• sudo nano /etc/network/interfaces

auto wlan0
allow-hotplug wlan0
iface wlan0 inet dhcp
  wpa-ssid "EECSDS3"
  wpa-psk "accessgranted"

5. Make sure the wifi dongle is assigned wlan0. If not, you can change it under the udev rules:

• sudo nano /etc/udev/rules.d/70-persistent-net.rules

6. Once connected to wifi, ensure you have performed the other [installs] (https://wiki.ubuntu.com/ARM/RaspberryPi):

• Resize partition
• Install swapfile
• The serial console will be configed later.
• GNOME is optional as well.

7. Install build essential:

• sudo apt-get install build-essential -y

8. If you would like to set up ROS:

• [Install ROS] (http://wiki.ros.org/indigo/Installation/UbuntuARM)
• [Setup ROS Workspace] (http://wiki.ros.org/catkin/Tutorials/create_a_workspace)