Task 1 - abha-m/IoT-SPIT GitHub Wiki

To install Minicom on an Ubuntu machine type the following on the terminal ~$ sudo apt-get install minicom setserial

This step will ask for your password after which the install begins and it will be completed in a few minutes .

Now to place a call or send a text message, knowledge of a few AT commands is necessary with the commands to operate Minicom using the terminal

After connecting your Smartphone with USB to the computer type the following on the terminal ~$ dmesg or ~$ dmesg | grep tty

The first command lists all the drivers of the phone with the tty’s (teletype writer) to use and the latter directly lists all the available tty’s directly, they will be listed as ttyACM0, ttyACM1, ect.

To open Minicom enter ~$ sudo Minicom -o –s After which you will see the following screen

Select Serial port setup and the following screen will appear

Enter ‘A’ on the keyboard and change the serial device to the available tty which was listed when the command dmesg was run eg. /dev/ttyACM0.

Set the baud rate by selecting ‘E’, for a Smartphone set it to 9600 and for the GSM modem set it at 115200.

After setting up the serial device navigate to ‘Save setup as dfl’ and then exit the window. You will be directed to the Minicom interface, where AT commands are used to continue further operations.

Necessary AT command to accomplish the task and their functions: