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Embedded Terminal

This is a terminal designed to run on the avr series of micro controller which offers some basic functions.

A screenshot of the welcome message can be seen below:

The embedded terminal welcome

Documentation

Commands

help: View the available commands and get general information about the system.

clear: Clear the terminal screen using the VT100 escape sequence.

led: Toggle an lead connected to a specific pin (in this case pin 13 on the arduino uno)

ToDo

Admin

  • Build script for libraries
  • Build script for source
  • Build script for project

Features

  • I2C library
  • Add display module
  • Finish IO module
  • Add EEPROM module
  • Add pipeing operator

Bug Fix

  • Fix getopt()
  • Fix argument memory leak - This is caused by not freeing the input array.
  • Re write the cmd extract function to be more clear.

Setup

A full installation and setup process can be found in SETUP

But assuming the target device is ATMEL Mega328P (Arduino Uno) then the device can be programmed using:

make flash serial

in the ./src/ directory.

Serial monitor settings

Setting Value
EOL sent \n
EOL reciving \r\n
Baud Rate 56700
Encoding 8n1

To interact with the terminal use a serial monitor. The author recommends using putty which can be installed using:

sudo apt install putty