Vodafone Huawei K4203 USB Modem AT Command Interface

This is a program that allows you to execute and read AT commands for the Vodafone Huawei K4203 USB Modem. The program is written in Python and uses the serial library to communicate with the modem. For headless execution use maincli.py and for the GUI version use main.py file.

Usage

To use the program, you need to have Python 3 installed on your computer. You also need to connect the Vodafone Huawei K4203 USB Modem to your computer via USB.

1. Clone or download the repository to your computer.
2. sudo nano /etc/usb_modeswitch.conf and set DisableSwitching flag to 1.
3. Open a terminal or command prompt and navigate to the directory where the program is located.
4. Run the program by typing python3 maincli.py or python3 main.py and pressing Enter.
5. Follow the on-screen instructions to select an option and enter any required parameters.

Features

The program provides the following features:

• Execute AT commands: You can enter any AT command and the program will send it to the modem and display the response.
• Get all SMS PDU's: You can retrieve all SMS PDU's stored on the modem and display their information.
• Get unread SMS PDU's: You can retrieve only the unread SMS PDU's stored on the modem and display their information.
• Send text SMS: You can send a text SMS to a recipient by entering their phone number and the message.
• Send PDU SMS: You can send a PDU SMS to a recipient by entering the CMGS number and the PDU message.

Command-line arguments

The program accepts the following command-line arguments in the CLI:

• 1 <AT Command> Execute AT Command
• 2 Get all SMS PDU's
• 3 Get unread SMS PDU's
• 4 phone_num messsage Send text SMS
• 5 cmgs pdu Send PDU SMS

However setup is not done automatically if command-line arguments are used, first do the setup with:

• s Only do modem setup

To use a command-line argument, run the program with the argument followed by any required additional arguments. For example:

python3 maincli.py s
python3 maincli.py 1 AT