package/comgt/files/3g.sh

   1 set_3g_led() {
   2         # set on WRT54G3G only
   3         [ -d /proc/diag ] || return 0
   4         grep WRT54G3G /proc/diag/model >/dev/null || return 0
   5         echo "$1" > /proc/diag/led/3g_green
   6         echo "$2" > /proc/diag/led/3g_blue
   7         echo "$3" > /proc/diag/led/3g_blink
   8 }
   9
  10 scan_3g() {
  11         local device
  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         local button
  26         config_get button "$1" button
  27         [ -z "$button" ] && {
  28                 config_set "$1" button 1
  29         }
  30 }
  31
  32 stop_interface_3g() {
  33         stop_interface_ppp "$1"
  34         set_3g_led 0 0 0
  35         killall gcom >/dev/null 2>/dev/null
  36 }
  37
  38 setup_interface_3g() {
  39         local iface="$1"
  40         local config="$2"
  41         local chat="/etc/chatscripts/3g.chat"
  42
  43         local device
  44         config_get device "$config" device
  45
  46         local maxwait
  47         config_get maxwait "$config" maxwait
  48         maxwait=${maxwait:-20}
  49         while [ ! -e "$device" -a $maxwait -gt 0 ];do # wait for driver loading to catch up
  50                 maxwait=$(($maxwait - 1))
  51                 sleep 1
  52         done
  53
  54         for module in slhc ppp_generic ppp_async; do
  55                 /sbin/insmod $module 2>&- >&-
  56         done
  57
  58         local apn
  59         config_get apn "$config" apn
  60
  61         local service
  62         config_get service "$config" service
  63
  64         local pincode
  65         config_get pincode "$config" pincode
  66
  67         local mtu
  68         config_get mtu "$config" mtu
  69
  70         set_3g_led 1 0 1
  71
  72         # figure out hardware specific commands for the card
  73         case "$service" in
  74                 cdma|evdo) chat="/etc/chatscripts/evdo.chat";;
  75         *)
  76                 cardinfo=$(gcom -d "$device" -s /etc/gcom/getcardinfo.gcom)
  77                 if echo "$cardinfo" | grep Novatel; then
  78                         case "$service" in
  79                                 umts_only) CODE=2;;
  80                                 gprs_only) CODE=1;;
  81                                 *) CODE=0;;
  82                         esac
  83                         mode="AT\$NWRAT=${CODE},2"
  84                 elif echo "$cardinfo" | grep Option; then
  85                         case "$service" in
  86                                 umts_only) CODE=1;;
  87                                 gprs_only) CODE=0;;
  88                                 *) CODE=3;;
  89                         esac
  90                         mode="AT_OPSYS=${CODE}"
  91                 fi
  92                 # Don't assume Option to be default as it breaks with Huawei Cards/Sticks
  93
  94                 PINCODE="$pincode" gcom -d "$device" -s /etc/gcom/setpin.gcom || {
  95                         echo "$config(3g): Failed to set the PIN code."
  96                         set_3g_led 0 0 0
  97                         return 1
  98                 }
  99                 test -z "$mode" || {
 100                         MODE="$mode" gcom -d "$device" -s /etc/gcom/setmode.gcom
 101                 }
 102         esac
 103         set_3g_led 1 0 0
 104
 105         config_set "$config" "connect" "${apn:+USE_APN=$apn }/usr/sbin/chat -t5 -v -E -f $chat"
 106         start_pppd "$config" \
 107                 noaccomp \
 108                 nopcomp \
 109                 novj \
 110                 nobsdcomp \
 111                 noauth \
 112                 lock \
 113                 crtscts \
 114                 ${mtu:+mtu $mtu mru $mtu} \
 115                 115200 "$device"
 116 }