package/comgt/files/3g.sh

   1 set_3g_led() {
   2         grep WRT54G3G /proc/diag/model >/dev/null || return 0
   3         echo "$1" > /proc/diag/led/3g_green
   4         echo "$2" > /proc/diag/led/3g_blue
   5         echo "$3" > /proc/diag/led/3g_blink
   6 }
   7
   8 scan_3g() {
   9         local device
  10
  11         scan_ppp "$@"
  12         config_get device "$1" device
  13
  14         # try to figure out the device if it's invalid
  15         [ -n "$device" -a -e "$device" ] || {
  16                 for device in /dev/ttyUSB0 /dev/ttyUSB1 /dev/ttyUSB2 /dev/tts/2 /dev/usb/tts/0 /dev/noz0; do
  17                         [ -e "$device" ] && {
  18                                 config_set "$1" device "$device"
  19                                 break
  20                         }
  21                 done
  22         }
  23
  24         # enable 3G with the 3G button by default
  25         config_get button "$1" button
  26         [ -z "$button" ] && {
  27                 config_set "$1" button 1
  28         }
  29 }
  30
  31 stop_interface_3g() {
  32         set_3g_led 0 0 0
  33         killall gcom >/dev/null 2>/dev/null
  34 }
  35
  36 setup_interface_3g() {
  37         local iface="$1"
  38         local config="$2"
  39         local chat="/etc/chatscripts/3g.chat"
  40
  41         config_get device "$config" device
  42         config_get maxwait "$config" maxwait
  43         maxwait=${maxwait:-20}
  44         while [ ! -e "$device" -a $maxwait -gt 0 ];do # wait for driver loading to catch up
  45                 maxwait=$(($maxwait - 1))
  46                 sleep 1
  47         done
  48
  49         for module in slhc ppp_generic ppp_async; do
  50                 /sbin/insmod $module 2>&- >&-
  51         done
  52
  53         config_get apn "$config" apn
  54         config_get service "$config" service
  55         config_get pincode "$config" pincode
  56         config_get mtu "$config" mtu
  57
  58         set_3g_led 1 0 1
  59
  60         # figure out hardware specific commands for the card
  61         case "$service" in
  62                 cdma|evdo) chat="/etc/chatscripts/evdo.chat";;
  63         *)
  64                 cardinfo=$(gcom -d "$device" -s /etc/gcom/getcardinfo.gcom)
  65                 if echo "$cardinfo" | grep Novatel; then
  66                         case "$service" in
  67                                 umts_only) CODE=2;;
  68                                 gprs_only) CODE=1;;
  69                                 *) CODE=0;;
  70                         esac
  71                         mode="AT\$NWRAT=${CODE},2"
  72                 elif echo "$cardinfo" | grep Option; then
  73                         case "$service" in
  74                                 umts_only) CODE=1;;
  75                                 gprs_only) CODE=0;;
  76                                 *) CODE=3;;
  77                         esac
  78                         mode="AT_OPSYS=${CODE}"
  79                 fi
  80                 # Don't assume Option to be default as it breaks with Huawei Cards/Sticks
  81
  82                 PINCODE="$pincode" gcom -d "$device" -s /etc/gcom/setpin.gcom || {
  83                         echo "$config(3g): Failed to set the PIN code."
  84                         set_3g_led 0 0 0
  85                         return 1
  86                 }
  87                 test -z "$mode" || {
  88                         MODE="$mode" gcom -d "$device" -s /etc/gcom/setmode.gcom
  89                 }
  90         esac
  91         set_3g_led 1 0 0
  92
  93         config_set "$config" "connect" "${apn:+USE_APN=$apn }/usr/sbin/chat -t5 -v -E -f $chat"
  94         start_pppd "$config" \
  95                 noaccomp \
  96                 nopcomp \
  97                 novj \
  98                 nobsdcomp \
  99                 noauth \
 100                 lock \
 101                 crtscts \
 102                 ${mtu:+mtu $mtu mru $mtu} \
 103                 115200 "$device"
 104 }