add README.md

README.md

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-# aic8800d80
+# AIC8800D80 Linux Driver
+This driver is for the AIC8800D80 chipset, supported by devices such as the Tenda U11.
+
+Tested on Linux kernel 6.13-rc1 with Ubuntu and 6.1.0.27 with Debian 12.
+
+### Attention
+Before installing the driver, delete all aic8800-related folders under /lib/firmware. Using an incorrect firmware version may cause the system to freeze.
+
+### Installation Steps
+#### Copy udev rules:
+
+Copy the aic.rules file to /lib/udev/rules.d/:
+
+```bash
+sudo cp aic.rules /lib/udev/rules.d/
+```
+
+#### Copy firmware:
+
+Copy the aic8800D80 folder from ./fw to /lib/firmware/:
+
+```bash
+sudo cp -r ./fw/aic8800D80 /lib/firmware/
+```
+#### Navigate to the driver directory:
+
+Change to the drivers/aic8800 directory:
+
+```bash
+cd ./drivers/aic8800
+```
+
+#### Compile and Install the Driver:
+
+First, compile the driver:
+
+```bash
+make
+```
+Then, install the driver:
+
+```bash
+sudo make install
+```
+
+For any kernel updates, you'll need to reinstall the driver:
+
+```bash
+make clean
+make
+sudo make install
+```
+
+#### Load the Driver
+After installation, load the driver with the following command:
+
+```bash
+sudo modprobe aic8800_fdrv
+```
+
+#### Verify the Module is Active
+Check if the module is loaded correctly:
+
+```bash
+lsmod | grep aic
+```
+You should see output similar to:
+
+```bash
+aic8800_fdrv    536576  0
+cfg80211        1146880 1   aic8800_fdrv
+aic_load_fw     69632   1   aic8800_fdrv
+usbcore         348160  10  xhci_hcd,ehci_pci,usbhid,usb_storage,ehci_hcd,xhci_pci,uas,aic_load_fw,uhci_hcd,aic8800_fdrv
+```
+
+#### Verify Wi-Fi Device is Active
+To check if the Wi-Fi interface is recognized, run:
+
+```bash
+iwconfig
+```
+If the device is still not active, check the kernel logs for any errors related to the driver:
+
+```bash
+sudo dmesg
+```