set_3g_led() { # set on WRT54G3G only [ -d /proc/diag ] || return 0 grep WRT54G3G /proc/diag/model >/dev/null || return 0 echo "$1" > /proc/diag/led/3g_green echo "$2" > /proc/diag/led/3g_blue echo "$3" > /proc/diag/led/3g_blink } scan_3g() { local device config_get device "$1" device # try to figure out the device if it's invalid [ -n "$device" -a -e "$device" ] || { for device in /dev/ttyUSB0 /dev/ttyUSB1 /dev/ttyUSB2 /dev/tts/2 /dev/usb/tts/0 /dev/noz0; do [ -e "$device" ] && { config_set "$1" device "$device" break } done } # enable 3G with the 3G button by default local button config_get button "$1" button [ -z "$button" ] && { config_set "$1" button 1 } } stop_interface_3g() { stop_interface_ppp "$1" set_3g_led 0 0 0 killall gcom >/dev/null 2>/dev/null } setup_interface_3g() { local iface="$1" local config="$2" local chat="/etc/chatscripts/3g.chat" local device config_get device "$config" device local maxwait config_get maxwait "$config" maxwait maxwait=${maxwait:-20} while [ ! -e "$device" -a $maxwait -gt 0 ];do # wait for driver loading to catch up maxwait=$(($maxwait - 1)) sleep 1 done for module in slhc ppp_generic ppp_async; do /sbin/insmod $module 2>&- >&- done local apn config_get apn "$config" apn local service config_get service "$config" service local pincode config_get pincode "$config" pincode local mtu config_get mtu "$config" mtu set_3g_led 1 0 1 # figure out hardware specific commands for the card case "$service" in cdma|evdo) chat="/etc/chatscripts/evdo.chat";; *) cardinfo=$(gcom -d "$device" -s /etc/gcom/getcardinfo.gcom) if echo "$cardinfo" | grep Novatel; then case "$service" in umts_only) CODE=2;; gprs_only) CODE=1;; *) CODE=0;; esac mode="AT\$NWRAT=${CODE},2" elif echo "$cardinfo" | grep Option; then case "$service" in umts_only) CODE=1;; gprs_only) CODE=0;; *) CODE=3;; esac mode="AT_OPSYS=${CODE}" fi # Don't assume Option to be default as it breaks with Huawei Cards/Sticks PINCODE="$pincode" gcom -d "$device" -s /etc/gcom/setpin.gcom || { echo "$config(3g): Failed to set the PIN code." set_3g_led 0 0 0 return 1 } test -z "$mode" || { MODE="$mode" gcom -d "$device" -s /etc/gcom/setmode.gcom } esac set_3g_led 1 0 0 config_set "$config" "connect" "${apn:+USE_APN=$apn }/usr/sbin/chat -t5 -v -E -f $chat" start_pppd "$config" \ noaccomp \ nopcomp \ novj \ nobsdcomp \ noauth \ lock \ crtscts \ ${mtu:+mtu $mtu mru $mtu} \ 115200 "$device" }