Custom OpenWRT build for Raspberry Pi
(C) DDS Central

Based on OpenWRT r49395 with ROOter modifications (GoldenOrb) by www.ofmodemsandmen.com

Built for ARMv6, should work on all versions of Raspberry Pi.

Build specs:
* Kernel version 4.4.7
* Repository with over 2600+ available packages.
* Drivers for Realtek RTL8192CU and RTL8188EU dongles, including modified hostapd for AP mode support. Can upload more drivers if there's a demand.
* Support for dongles which only have WEXT drivers (Client mode works, AP support depends on device).

Installation instructions: 
1. Download an installation image. Both uncompressed and compressed images are available. Compressed image needs to be decompressed before writing.
2.For Windows:
  Use Win32DiskImager to write image to SD card.
  
  For Linux:
  Use mount, fdisk, gparted or whaever other tool to find your card reader's device name, then use dd command to write image to SD card:
  dd if=openwrt-r49395-brcm2708-bcm2708-rpi-ext4-sdcard.img of=/dev/sdX
  (where sdX is your card reader's device name).
  
  Be VERY careful with this command ! Make sure you specify the correct device and not your main hard drive !

After installation, Pi will be reachable on 192.168.1.1. But since the DHCP support is off by default, you'll need to set a static IP for your network card to access terminal and LuCI.

Other notes
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Realtek AP mode support:
Realtek USB dongles require modified hostapd (provided by hostapd-rtl871xdrv package) to work in master (AP) mode.
AP mode is not integrated into LuCI yet and requires manual configuaration from terminal.
Download sample configuaration file realtek-hostapd.conf to /root and adjust it to your needs.

To start your AP, use command:
hostapd-rtl871xdrv -B /root/realtek-hostapd.conf

To stop, use this command:
kill $(pidof hostapd-rtl871xdrv)

This build includes modifications by ROOter to support various 4G modems.
In addition to their modifications, this build also includes static IP support for hostless modems (those without serial ports, emulating an ethernet card).
To setup a static IP for your hostless modem, download file usbwansetup.sh to /root and edit it to change modem's IP.

Contact information
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This build was created by DDS Central
Email:     dds@ddscentral.org
Blog:      https://ddscentral.org/
Downloads: https://raspis.ddscentral.org/pub/downloads/