Documentation and tutorials
This is the main index of all the articles available on this web site
Product descriptions
- Linux embedded modules: RoadRunner, Acqua, Aria, Arietta, Netus
- Linux embedded boards: CM3 Home, CM3 panel, CM3-M2M, Fox G20, Fox LX832, Terra
- Radio modules: Yarm
- Development kits: RoadRunner Berta D2, Acqua Berta A5
Getting started
Pinouts
- Acqua, Aria, Arietta, Yarm, Yarm dev, Netus, FOX G20, Terra, FOX LX
- LCD, Touch screen, PWM, ADC, I2C, SPI
Compiling Linux from scratch
- Bootloader: RoadRunner, Acqua, Aria, Arietta, Terra, FOX G20, Netus
- Kernel: RoadRunner, Acqua, Aria, Arietta
- Debian Rootfs: RoadRunner, Acqua, Aria, Arietta, FOX G20
MicroSD images
PCB design guides
Collection of technical guides to design better PCB and avoid any problems with reliability and EMI
- Circuitry sections: Ethernet, TFT, USB,MicroSD, PWM,ADC, Serial, GPIO, Power supply, Long-lasting battery
Using the SOM peripherals with Linux
- Kernel space: PWM, ADC, I2C, SPI
- User space: Ethernet, MicroSD, PWM, ADC, Serial, I2C, GPIO, SPI, Watchdog, ADC
Device tree
How-tos
- How to upgrade Debian 8 Jessie to Debian 9 Stretch
- Write on QuadSPI memory with SAM-BA
- Get the access to the board through: SSH, SCP, Debug port, Web
- How to format a microSD
- 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 Linux 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 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
Author: Sergio Tanzilli - tanzilli@acmesystems.it
System designer and CEO of Acme Systems srl
Web master of: https://www.acmesystems.it and http://www.tanzolab.it
Software developer on: https://github.com/tanzilli and https://github.com/acmesystemsss
System designer and CEO of Acme Systems srl
Web master of: https://www.acmesystems.it and http://www.tanzolab.it
Software developer on: https://github.com/tanzilli and https://github.com/acmesystemsss
