TinyCtrl Initial Setup of Linux Board

From Wiki

Note that any Board that ordered from Commonplace Robotics will definitely have been set up like this already. However this document may provide some insight about what is happening behind the scenes:

This is what we do to a virgin Phytec board when integrating it into a DCi robot.

This document assumes that you know what you're doing and that you are familiar with linux console environments.

Download

Download the full, zipped folder structure: TinyCtrl_Full

Connect to the Phytec Linux Board

  • Connect both computers, i.e. the embedded linux computer and the Windows PC, with an ethernet cable. Use the right LAN port on the embedded Linux Board.
    • The desktop computer needs to be set to a static IP like 192.168.3.2.
    • The Phytec Linux board has IP 192.168.3.11 by default.)

Copy TinyCtrl/ into /home/root/

scp TinyCtrl_Full.zip root@192.168.3.11:/home/root/
ssh root@192.168.3.11
unzip TinyCtrl_Full.zip
rm TinyCtrl_Full.zip
cd TinyCtrl
chmod +x TinyCtrl
chmod +x startBatch.sh
cd

Install TinyCtrl Service

vi /etc/systemd/system/autostart_tinyctrl.service

hit i

paste this: 

# This is part of systemd.

[Unit]
Description=TinyCtrl autostart
DefaultDependencies=no


[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=/home/root/TinyCtrl/startBatch.sh
StandardOutput=syslog

[Install]
WantedBy=sysinit.target

Hit ESC

Save and close. 

:wq!

Enable the service 

systemctl enable autostart_tinyctrl.service

Start the service 

systemctl start autostart_tinyctrl.service

At this point the green LEDs of the stepper motor boards and the DIO board(s) should start blinking, which indicates that TinyCtrl is communicating with the boards via the internal CAN bus connection between the Phytec Linux board and the robot control electronics.

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