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Old 08-10-2012, 05:01 PM   #46
san
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simple workaround: put the sim card into a mobile phone, disable the pin.

more complicated workaround: use minicom or 'screen /dev/ttyUSB0' to talk to your modem, after initalizing and sending the pin you can issue a command like 'at+clck="sc",0,"XXXX", see here, pp. 20sq.
 
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Old 08-10-2012, 05:07 PM   #47
markush
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Hi san,

thanks for the link, I was searching for such a documentation, I'll try that tomorrow.
But I don't want to disable the PIN. I want to use the stick also outside my home and don't want anyone to use my data-flatrate for free

Has anyone used comgt in order to configure GSM-connections? I found it on slackbuilds.org

Markus

Last edited by markush; 08-10-2012 at 05:09 PM.
 
Old 08-10-2012, 05:42 PM   #48
san
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i'm not sure whether chat actually does anything more than 'send and wait for reply', so don't think you can really include if-else statements. man 8 chat claims that
Quote:
The expect sequence should contain only what is needed to identify the
string. Since it is normally stored on a disk file, it should not con‐
tain variable information. It is generally not acceptable to look for
time strings, network identification strings, or other variable pieces
of data as an expect string.
i believe that comgt only works on devices produced by option.

you could try playing around with udev. add a rule run after /dev/ttyUSB0 has been created that executes a shellscript. a very ugly script would include something like
Code:
echo -e "ATZ\n" > /dev/ttyUSB0; sleep 1
... possible other init strings ... 
echo -e "at+cpin=xxxx\n" > /dev/ttyUSB0
maybe you will need "\r\n" instead. if you are interested in this kind of stuff, i recommend the pyserial package (the version on slackbuilds is outdated)
 
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Old 08-11-2012, 02:19 AM   #49
markush
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Hello,

comgt works for my stick. At least it can list the specifications and check and set the pin, for example
Code:
samsung:~# comgt -d /dev/ttyUSB0 info
##### Wireless WAN Modem Configuration #####
Product text:
====

Manufacturer: huawei
Model: E173
Revision: 11.126.85.02.52
IMEI: 861961010540897
+GCAP: +CGSM,+DS,+ES
OK
====
Manufacturer:           huawei
IMEI and Serial Number: 861961010540897
Manufacturer's Revision: 
11.126.85.02.
Hardware Revision:      NOT
Network Locked:         ERROR:
Customisation:          NOT SUPPORT
Band settings:          (NOT)
APN:                    ERROR:
##### END #####
Code:
#!/bin/bash
export COMGTPIN=XXXX
comgt -d /dev/ttyUSB0 PIN
executing the script:
Code:
samsung:~# ./pin.sh 
SIM ready
it works, afterwards I can connect to the internet with the above scripts.

Note that the only valuable documentation I could find for comgt is it's manpage. It is more or less a scripting-language (they say "like Basic") which is far more flexible than chat which comes with the ppp-package.

Markus
 
Old 08-11-2012, 02:46 AM   #50
vdemuth
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There's also umtsmon that provides a nice gui to play with that deals with pin codes etc. Available as source code from sourceforge
 
Old 08-11-2012, 02:50 AM   #51
markush
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Quote:
Originally Posted by vdemuth View Post
There's also umtsmon that provides a nice gui to play with that deals with pin codes etc. Available as source code from sourceforge
Does it compile on current? I tried umtsmon, but it did not compile, it's a relatively old release from 2009. I would be very interested in using this packages, as far as I understood, it can also check the datavolume.

Markus
 
Old 08-11-2012, 03:21 AM   #52
san
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umtsmon needs qt3, it expects you to use a non-stock version of pppd.
with comgt working i would recommend the udev way.
Code:
find /sys -name ttyUSB0
 /sbin/udevadm info -a -p /sys/bus/usb-serial/devices/ttyUSB0
this udev rule should work (i've tried it using '/usr/bin/logger modem added' instead of running a script, feel free to add some ATTR strings.
Code:
SUBSYSTEM=="usb-serial", KERNEL=="ttyUSB0", ACTION=="add", RUN+="/my/comgt/script.sh"
 
  


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