Installing broadcom..

broadcom.sh

#!/usr/bin/env bash

download_and_verify() {
    local url="$1"
    local filename="$2"
    
    wget -q "$url" -O "$filename"
    
    if [ -s "$filename" ]; then
        echo "Download de $filename bem-sucedido."
    else
        echo "Falha ao fazer o download de $filename."
        exit 1
    fi
}

update_system() {
    sudo apt update && sudo apt upgrade
}

install_prerequisites() {
    sudo apt install linux-headers-$(uname -r) build-essential dkms
}

remove_old_drivers() {
    sudo apt purge bcmwl-kernel-source
}

# Heart of code
install_broadcom_firmware() {
    download_and_verify "http://www.lwfinger.com/b43-firmware/broadcom-wl-5.100.138.tar.bz2" "broadcom-wl-5.100.138.tar.bz2"
    download_and_verify "http://downloads.openwrt.org/sources/broadcom-wl-5.10.56.27.3_mipsel.tar.bz2" "broadcom-wl-5.10.56.27.3_mipsel.tar.bz2"

    if [ -e "broadcom-wl-5.100.138.tar.bz2" ] && [ -e "broadcom-wl-5.10.56.27.3_mipsel.tar.bz2" ]; then
        tar -xf broadcom-wl-5.100.138.tar.bz2
        tar -xf broadcom-wl-5.10.56.27.3_mipsel.tar.bz2
        sudo b43-fwcutter -w /lib/firmware broadcom-wl-5.100.138/linux/wl_apsta.o
    else
        echo "Falha ao encontrar os arquivos de firmware necessários."
        exit 1
    fi
}

load_b43_driver() {
    sudo modprobe b43
}

check_driver_status() {
    dmesg | grep b43
}

main() {
    clear
    update_system
    install_prerequisites
    remove_old_drivers
    install_broadcom_firmware
    load_b43_driver
    check_driver_status
}

main