README: UGREEN AX900 USB WiFi Adapter Driver

This repository contains the Linux drivers and installation scripts for the AIC8800D80 chipset used in devices such as the UGREEN AX900 USB WiFi Adapter.

---

I. Quickstart Guide

Follow these steps to install and activate your driver.

Important: Do not connect the Ethernet adapter directly to the computer until the driver installation setup is complete.

1. Preparation

Navigate to the root directory of the driver package and run the setup script:

• Directory: [aic8800_linux_driver]
• Command: ./install_setup.sh
• Authentication: You will be prompted for [root] authentication to complete the setup.

2. Compile the Driver

Switch to the driver source directory and compile the code:

• Directory: [drivers/aic8800]
• Command: make
• Verification: After compiling, verify that aic_load_fw/aic_load_fw.ko and aic8800_fdrv/aic8800_fdrv.ko exist.

3. Load the Driver

Choose the command based on your computer system:

• Non-Virtual Machine: ** Enter the command: make install.
• Virtual Machine: ** 1. Enter the command: modprobe cfg80211. ** 2. Enter the command: make install.

---

II. Using the Adapter

1. Connect: Plug the adapter into your computer.
2. Confirm: Enter the command ifconfig to verify the adapter has loaded successfully.
   • wlan1: Displayed on computers with a built-in Wi-Fi adapter.
   • wlan0: Displayed on computers without a built-in Wi-Fi adapter.
3. Connect to Network: Navigate to your system's Wi-Fi connection interface to complete the connection.

---

III. Uninstalling the Driver

If the adapter is no longer needed, follow these steps to remove the driver:

1. Remove Driver Modules:
   • Directory: [aic8800_linux_driver/drivers/aic8800]
   • Command: make uninstall
2. Clean Setup Files:
   • Directory: [aic8800_linux_driver]
   • Command: ./uninstall_setup.sh