Study 3G using AT command

1.Port: Diagnostic, appliction, control and modem

2.Android log :
#logcat -b radio

3.Get 3G information
#cat /sys/class/tty/ttyHSx/hsotype

4.#echo -e "at\r\n" > /dev/ttyHS2 -->#cat /dev/ttyHS2
#echo -e "at+creg?\r\n" > /dev/ttyHS2 --> #cat /dev/ttyHS2
#echo -e "at+creg?\r\n" > /dev/ttyHS2
#echo -e "at+cfun?\r\n" > /dev/ttyHS2
#echo -e "at+csq\r\n" > /dev/ttyHS2

5. Get IP
#echo -e "at_owancall=1,1\r\n" > /dev/ttyHS2
#echo -e "at_owandata?\r\n" > /dev/ttyHS2
#ifconfig hso0 netmask 255.255.255.255 up
#route add default dev hso0


6.
echo -e "ati\r\n" > /dev/ttyHS2
cat /dev/ttyHS2
echo -e "at+cpin?\r\n" > /dev/ttyHS2
cat /dev/ttyHS2
echo -e "at+cfun?\r\n" > /dev/ttyHS2
cat /dev/ttyHS2
echo -e "at+cops?\r\n" > /dev/ttyHS2
cat /dev/ttyHS2
echo -e "at+cops=?\r\n" > /dev/ttyHS2
cat /dev/ttyHS2
echo -e "at+creg?\r\n" > /dev/ttyHS2
cat /dev/ttyHS2
echo -e "at+cgreg?\r\n" > /dev/ttyHS2
cat /dev/ttyHS2
echo -e "at+csq\r\n" > /dev/ttyHS2
cat /dev/ttyHS2
echo -e "at_opsys?\r\n" > /dev/ttyHS2
cat /dev/ttyHS2
echo -e "at_osec?\r\n" > /dev/ttyHS2
cat /dev/ttyHS2
echo -e "at_opbm?\r\n" > /dev/ttyHS2
cat /dev/ttyHS2
echo -e "at_oiface?\r\n" > /dev/ttyHS2
cat /dev/ttyHS2
echo -e "at+cgsn?\r\n" > /dev/ttyHS2
cat /dev/ttyHS2