Installing OpenWrt on Mikrotik wAP R (RBwAPR-2nD)

Installing and Using OpenWrt
119

Hi to all

Quick start guide to use wap-lte modem:

  1. boot the board using openwrt-ar71xx-mikrotik-rb-nor-flash-16M-initramfs-kernel.bin (got it from the latest build)
  2. ssh root[at]192.168.1.1, download openwrt-ar71xx-mikrotik-rb-nor-flash-16M-squashfs-sysupgrade.bin and install openwrt on flash using:
 mtd erase /dev/mtd5
 sysupgrade -F openwrt-ar71xx-mikrotik-rb-nor-flash-16M-squashfs-sysupgrade.bin
 (the device reboots ...)
  1. again ssh root[at]192.168.1.1, then install needed packages:
 opkg update
 opkg install kmod-usb-acm kmod-usb-core kmod-usb-core kmod-usb-ehci kmod-usb-ohci kmod-usb-ohci-pci \
 kmod-usb2 kmod-usb2-pci kmod-usb3 kmod-usb-net-rndis kmod-usb-net-cdc-ncm libsqlite3 \
 comgt comgt-ncm tio ppp-mod-pptp kmod-nf-nathelper-extra hostapd-utils

then install additional files:

/etc/gcom/r11.gcom

# stabilisce una connessione con modem mikrotik
opengt
 print "DIALOGUE BEGINS\n"
 set com 115200n81
 set senddelay 0.1
 waitquiet 3 0.5
 set clocal on
 flash 0.1

 send "AT&F^m"
 send "ATE1^m"
 send "AT+CFUN=0^m"
 send "AT+CFUN=4^m"
# 4g+3g
 send "AT*BAND=11,79,147,480,589829,0,2,0^m"
 send "AT+CMEE=2^m"
 send "AT+CGREG=1^m"
 send "AT+CNMI=0,0,0,0,0^m"
 send 'AT*CGDFLT=0,"IP","'
 send $env("pdptype")
 send '","'
 send $env("apn")
 send '",,,,,,,,,,1,0,,,,,,,1^m'
 send "AT+CFUN=1^m"

 waitfor 60 "+CGEV: EPS PDN ACT" 
 if % = -1 goto timeout
 print "RECEIVED +CGEV: EPS PDN ACT\n"
 get 1 "^m" $p
 print "profile="$p"\n"
 send 'AT+CGDCONT?^m'
 send "AT+CGCONTRDP="
 send $p
 send "^m"
 print "Polite exit\n"
 exit 0

:timeout             
 print "Timeout, exit.\n"
 exit 1

/lib/netifd/proto/r11.sh

#!/bin/sh
[ -n "$INCLUDE_ONLY" ] || {
	. /lib/functions.sh
	. ../netifd-proto.sh
	init_proto "$@"
}

proto_r11_init_config() {
	no_device=1
	available=1
	proto_config_add_string "device:device"
	proto_config_add_string apn
	proto_config_add_string auth
	proto_config_add_string username
	proto_config_add_string password
	proto_config_add_string pincode
	proto_config_add_string delay
	proto_config_add_string mode
	proto_config_add_string pdptype
	proto_config_add_int profile
	proto_config_add_defaults
}

proto_r11_setup() {
	local interface="$1"
	local manufacturer initialize setmode connect finalize ifname devname devpath
	local device apn auth username password pincode delay mode pdptype profile $PROTO_DEFAULT_OPTIONS
	json_get_vars device apn auth username password pincode delay mode pdptype profile $PROTO_DEFAULT_OPTIONS

	[ "$metric" = "" ] && metric="0"

	[ -n "$profile" ] || profile=1

	pdptype=`echo "$pdptype" | awk '{print toupper($0)}'`
	[ "$pdptype" = "IP" -o "$pdptype" = "IPV6" -o "$pdptype" = "IPV4V6" ] || pdptype="IP"

	[ -n "$ctl_device" ] && device=$ctl_device

	[ -n "$device" ] || {
		echo "No control device specified"
		proto_notify_error "$interface" NO_DEVICE
		proto_set_available "$interface" 0
		return 1
	}

	device="$(readlink -f $device)"
	[ -e "$device" ] || {
		echo "Control device not valid"
		proto_set_available "$interface" 0
		return 1
	}

	devname="$(basename "$device")"
	case "$devname" in
	'tty'*)
		devpath="$(readlink -f /sys/class/tty/$devname/device)"
		ifname="$( ls "$devpath"/../*/net )"
		;;
	*)
		devpath="$(readlink -f /sys/class/usbmisc/$devname/device/)"
		ifname="$( ls "$devpath"/net )"
		;;
	esac
	[ -n "$ifname" ] || {
		echo "The interface could not be found."
		proto_notify_error "$interface" NO_IFACE
		proto_set_available "$interface" 0
		return 1
	}

	[ -n "$delay" ] && sleep "$delay"	

	echo "MODEM ATTIVO:" $device

	gcom -d "$device" -s /etc/gcom/r11.gcom
	[ $? -ne 0 ] && {                                                                                
		echo "Error connecting"                                                                                         
		proto_notify_error "$interface" CONNECT_FAILED                               
		return 1                                                                                 
	} 

	echo "Setting up $ifname"
	proto_init_update "$ifname" 1
	proto_add_data
	json_add_string "manufacturer" "$manufacturer"
	proto_close_data
	proto_send_update "$interface"	
	
	[ "$pdptype" = "IP" -o "$pdptype" = "IPV4V6" ] && {
		json_init
		json_add_string name "${interface}_4"
		json_add_string ifname "@$interface"
		json_add_string proto "dhcp"
		proto_add_dynamic_defaults
		ubus call network add_dynamic "$(json_dump)"
	}

	[ "$pdptype" = "IPV6" -o "$pdptype" = "IPV4V6" ] && {
		json_init
		json_add_string name "${interface}_6"
		json_add_string ifname "@$interface"
		json_add_string proto "dhcpv6"
		json_add_string extendprefix 1
		proto_add_dynamic_defaults
		ubus call network add_dynamic "$(json_dump)"
	}
}

proto_r11_teardown() {
	local interface="$1"
	local manufacturer disconnect

	local device profile
	json_get_vars device profile

	[ -n "$ctl_device" ] && device=$ctl_device

	[ -n "$profile" ] || profile=1

	echo "Stopping network $interface ($device)"

	disconnect="AT+CFUN=0"
	eval COMMAND="$disconnect" gcom -d "$device" -s /etc/gcom/runcommand.gcom || {
		echo "Failed to disconnect"
		proto_notify_error "$interface" DISCONNECT_FAILED
		return 1
	}

	echo "proto_init_update"
	proto_init_update "*" 0
	echo "proto_send_update"
	proto_send_update "$interface"
	echo "esco da proto_r11_teardown"
}
[ -n "$INCLUDE_ONLY" ] || {
	add_protocol r11
}

add to /etc/config/network the following entry:

     config interface 'wan'
        option proto 'r11'
        option device '/dev/ttyACM1'
        option apn 'your-apn-here'

That'a all folks !

These instructions create a new protocol, called r11.

Now you have only to ifup/ifdown wan.

Notice:
Pay attention to the band selection, here is for 4g+3g networks.

If you want change band please refer to http://eko.one.pl/?p=modem-r11elte.

Axinno

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