Main index of documentation and tutorials

Hardware documentation

Board	Documentation				Shop
RoadRunner	Description	Getting started	Devkit	Pinout	Buy	Q.ty price
Acqua	Description	Getting started	Devkit	Pinout	Buy	Q.ty price
Aria	Description		Devkit	Pinout	Buy	Q.ty price
Arietta	Description	Getting started	Devkit	Pinout	Buy	Q.ty price
Yarm	Description	Getting started	Devkit	Pinout	Buy	Q.ty price
Terra Board	Description	Getting started	Devkit	Pinout	Buy	Q.ty price
FOX Board G20	Description	Getting started		Pinout	Buy	Q.ty price
FOX Board LX	Description	Getting started		Pinout	Buy	Q.ty price
Netus G20	Description			Pinout	Buy	Q.ty price

Linux sources and binary images

Board	Source code			µSD images
RoadRunner	At91bootstrap	Linux Kernel	Debian Linux
Acqua	At91bootstrap	Linux Kernel	Debian Linux
Aria	At91bootstrap	Linux Kernel	Debian Linux
Arietta	At91bootstrap	Linux Kernel	Debian Linux
Terra Board	At91bootstrap	Linux Kernel	Debian Linux
FOX Board G20 / Netus G20	At91bootstrap	Linux Kernel	Debian Linux

Peripherals documentation

Select from the document map below the article you need to:

• Design the PCB section for each specific peripheral
• Know where are the signals of each peripherals
• Include the right Linux kernel modules in your defconfig
• Configure the right Device Tree Binding for each driver
• Learn how to use the peripherals from user space

Peripheral	PCB design	Pinout	Linux driver	Device tree	User space
Ethernet	Eth PCB	Eth pinout	Eth kernel	Eth device tree	Eth user space
Display	Display PCB	Display pinout	Display kernel	Display device tree	Display user space
Touch screen		Touch pinout	Display kernel	Display device tree	Display user space
USB Host	USB Host PCB	USB Host pinout	USB Host kernel	USB Host device tree	USB Host user space
USB Client	USB Client PCB	USB Client pinout	USB Client kernel	USB Client device tree	USB Client user space
Micro SD	µSD PCB	µSD pinout	µSD kernel	µSD device tree	µSD user space
PWM	PWM PCB	PWM pinout	PWM kernel	PWM device tree	PWM user space
ADC	ADC PCB	ADC pinout	ADC kernel	ADC device tree	ADC user space
Serial	Serial PCB	Serial pinout	Serial kernel	Serial device tree	Serial user space
I2C	N.A.	I2C pinout	I2C kernel	I2C device tree	I2C user space
GPIO	GPIO PCB	GPIO pinout	GPIO kernel	GPIO device tree	GPIO user space
SPI	N.A.	SPI pinout	SPI kernel	SPI device tree	SPI user space
Watchdog	N.A.	N.A.	Watchdog kernel	Watchdog device tree	Watchdog user space
1-wire	N.A.	1-wire pinout	1-wire kernel	1-wire device tree	1-wire user space

Other design guides

• Power supply section
• Long-lasting battery

How-tos

• Microchip SAM-BA In-system Programmer
• Remote access: SSH, SCP, Debug port, Web
• How to format a microSD
• Binary downloads
• How to backup a Linux microSD
• Prepare the microSD for the final application
• Aria G25 wiring examples
• How to supply power to the Arietta G25
• Arietta G25 wirings
• How to read the Arietta on-board button
• Video streaming over IP
• WebCam: Time-laps video
• WIFI-2 - OEM WiFi USB module
• WiFi USB dongle
• Bluetooth: Using USB bluetooth adapters
• Using the GPRS section on Terra board
• Gadget Serial Driver on the USB device port
• Datalogic Barcode Scanner
• Power supply to the USB port on Terra board
• Using the Atmel AT24MAC402 on Acqua A5
• Interfacing the 8-channel A/D converter IC Texas ADC128S052
• Experiments with X
• XTERM-01 - 2.8 inch TFT display with resistive touch for Arietta G25
• RGB ledpanel with Arietta G25
• 16x2 alphanumeric LCD and four push-button on Arietta G25

Linux system how-tos

• Set a static IP address
• Set the system date & time
• Set the keyboard configuration
• Set the hostname
• Set the speed and duplex settings of eth
• Get the IP address from DHCP manually
• Discover the IP address assigned by DHCP
• Disable the system logs
• Deleting the cache of package files to save space
• USB memories automount
• Creating a uSD image from a file tree
• uSD partition resize

Useful commands

• Check the incoming interrups: watch -n 1 -d cat /proc/interrupts
• Get the Kernel version: uname -r
• Get the Debian version: cat /etc/debian_version
• Get the Kernel command line: cat /proc/cmdline
• List the driver built in the Kernel image: cat /lib/modules/$(uname -r)/modules.builtin
• Set the hostname: echo "myboardname" > /etc/hostname

Linux applications

• Network Time Servers (NTP)
• FTP server
• Create mini WiFi Webapp server
• Install Bonjour on your PC to easily discovery your Linux board
• Use pyGSM to manage SMS
• PPP over GPRS or HSPA link
• Using Minicom the serial terminal emulator
• Sample Application with Angular.js
• Remote control using Python, OSC and TouchOSC App
• How to install the MQTT Mosquitto server
• SQLite installing and test
• MySQL server installing and test
• MySQL client API in C, Python and PHP
• Access to MySQL Server using MySQL Query browser
• Video streaming with ffmpeg
• Connecting to a Remote Serial Port over TCP/IP

Hello world examples

• Python, C, C++
• NodeJS, Java, PHP, Perl
• Shell, Lua, YaBasic

Python articles

• Write a simple HTTP server in Python
• Control a blinking led via Web
• Installing Tornado
• Control a led remotely using Tornado web server
• Install web2py Web Framework
• AcmePins library
• AbLib Python library

C articles

• Install the ARM cross compiler toolchain on your Linux Ubuntu PC
• Compiling a Linux Device driver
• Running a CGI written in C

Troubleshooting

• Perl error on locales
• RTC time lost
• To many interrupts from debug port rx line
• Boot fails with the DPI interface plugged
• Swapon failed: Function not implemented
• Command: shutdown -h now doesn't work
• The pin TXD /dev/ttyS3 doesn't work
• FOX board G20 troubleshootings
• Emdebian Grip
• Serial ports input overrun
• Using an ADSL Vodafone Station apt-get doesn't work
• Detaching the ethernet cable for a while the LAN doesn't go up automatically when plugged again
• Calibrating delay loop... message after some errors on the debug port

Third party

• RGB ledpanel with Arietta G25
• MQTT led panel with Arietta G25
• Third party documentation