Zaurus SL C1000 and Huawei E220 HSDPA USB Modem

It works. Except you need more power. I have a camera battery (4 volts) directly connected to the 5 volt USB-line. Does not consume much, but there are 300mA power burst that Zaurus cannot produce.

FILES:

Modem is both usbstorage and three serial ports. However standard Sharp-rom recognizes only the storage. This script removes the useless usbstorage and forces the serial ports on. It requests that you unplug the modem and tries again if the operation fails. Steady blue light on the modem tells you there is a connection.

/usr/local/bin/3G :

sudo killall .pppd
sudo rmmod usb-storage
sudo modprobe usbserial vendor=0x12d1 product=0x1003
sleep 5
if  dmesg | tail  | grep "attached to ttyUSB2" ; 
  then 
   echo OK
   sudo /usr/sbin/pppd call h3g
  else 
     echo
     echo ----- Replug the Modem, wait for blinking BLUE light -----
     read
     . 3G
fi

This seems to be the easiest way to kill the connection:

/usr/local/bin/3G-kill :

sudo killall .pppd

These files may vary. These are for "Elisa" in Finland.

/etc/ppp/h3g.chat :

ECHO ON
ABORT BUSY
ABORT ERROR
REPORT CONNECT
TIMEOUT 30
"" "AT+COPS?"
"OK" ATZ
OK 'AT+CGDCONT=1,"IP","internet","0.0.0.0",0,0'
OK "ATDT*99#"
CONNECT \d\c

 connect "/usr/sbin/chat -v -f /etc/ppp/h3g.chat"
 /dev/ttyUSB0
 460800
 noauth
 debug
 novj
 defaultroute
 noipdefault
 user "rlnet"
 password "XXXXXX"
 crtscts
 nodeflate
 nobsdcomp

This is a fool-proof opie-shell version of 3G. It does everything, also disconnection.

/home/QtPalmtop/bin/3G-sh :

if ps -A | grep pppd ;
   then 
    opie-sh -m -M "Kill the Connection?" -1 "NO" -g
    if  [ $? -ne 1 ]  ; then sudo killall .pppd ; fi
else
if lsusb | grep 1003 ;
  then
    sudo rmmod usb-storage
    sudo modprobe usbserial vendor=0x12d1 product=0x1003
    sleep 5
    if  dmesg | tail  | grep "attached to ttyUSB2" ; 
    then 
        sudo /usr/sbin/pppd call h3g
        sleep 5
        sudo cat /etc/ppp/connect-errors | tail -12 | opie-sh -f -g -t "Connecting to ..." -m
    else 
        opie-sh -m -M "Replug the Modem! Wait fot blinking blue light." -g
        . 3G-sh
    fi
  else
    opie-sh -m -M "Modem not Plugged." -g
 fi
fi

This is my /usr/local/bin/sudo :

 su root -c "$*"

---------------------------- By Timo Noko, timonoko@gmail.com

Addendum

Some of my Zaurus-periphalia for the backcountry: