taken from /etc/init.testmenu
#!/system/bin/sh atdev=/dev/omap_csmi_tty0 pppdev=/dev/omap_csmi_tty1 /sys/devices/system/omap_csmi/debug
then open LDD3, if you really want to get GSM module running well with android, you need to make such sysfs entry for your serial as :
if you want to take a look into pppd :
sh -c \"chat -v -f /etc/ppp/connect-data <$atdev >$atdev\""
unfortunately, i don’t have any /etc/ppp/connect-data