How to setup a Raspberry Pi 3 for Real-time Control: The easiest step-by-step guide

Introduction

Here, I am going to explain how to setup Raspberry Pi 3 for development of a RT control application.

Setup R-Pi 3 for Real-Time Control: Welcome

Get SD Card Image of RT-Linux for RPI

Setup R-Pi 3 for Real-Time Control: Text

Setup R-Pi 3 for Real-Time Control: Text

Open /etc/dhcpcd.conf in the SD card file system and edit like this
interface eth0
static ip_address=192.168.1.105/24
static routers=192.168.1.1
static domain_name_servers=192.168.1.1
In the address, 192.168.1.105/24, you may use different ip address e.g., 192.168.1.xxx/24. In this example I will use 192.168.1.105
If your router gateway is using different IP, (e.g., 10.1.10.1), then change the value 192.168.1 to these numbers. For details see this link below https://caffinc.github.io/2016/12/raspberry-pi-3-headless/

Setup R-Pi 3 for Real-Time Control: Text

Now, remove the SD card from your host PC, and insert it into your RPI.
HERE, DO NOT CONNECT ANY USB DEVICE DURING THE BOOTING TIME. IT COULD FREEZE THE RPI.

Setup R-Pi 3 for Real-Time Control: Text

Execute the following commands in your host computer to search the ip address. If you did correctly for the upper part, the IP should be 192.168.1.205
- apt-get install nmap
- sudo apt-get install nmap
- hostname -I
- nmap -sn 192.168.1.0/24
If everything works correctly, you can SSH the raspberry pi in your host PC.
- ssh pi@192.168.1.105
If everything is good, you should be able to access the RPI w with SSH.

Setup R-Pi 3 for Real-Time Control: Text

[1] https://www.raspberrypi.org/documentation/configuration/wireless/wireless-cli.md
[2] https://caffinc.github.io/2016/12/raspberry-pi-3-headless/
[3] https://guysoft.wordpress.com/2017/10/09/realtimepi/

Setup R-Pi 3 for Real-Time Control: Text