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Little script with minicom

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Top Forums Shell Programming and Scripting Little script with minicom
# 36  
Old 04-20-2012
Quote:
Originally Posted by Corona688
Yes, just like any other UNIX program or script file.
OK but after if it work how can develop my application Smilie Smilie

I can write 2 script and Monday i test both

thanks but i'm a newbie withscript in linux Smilie
# 37  
Old 04-20-2012
Quote:
Originally Posted by enaud
OK but after if it work how can develop my application Smilie Smilie
I repeat: I see no point in writing dozens lines of code that are nearly guaranteed to fail and you won't be able to fix. It will need fine tuning, and quite probably a complete rewrite, once we find out how differently your non-serial non-modem acts compared to my serial modem.
# 38  
Old 04-23-2012
Hi Corona
I've tested your script with boud rate 9600 but i have this answer:

Bad response
Response was ''

Bad response
Response was ''

I should be OK because i send AT for 2 times..

For you what is the problem?

Thanks
# 39  
Old 04-23-2012
Quote:
Originally Posted by enaud
Thanks but i not undstand where put this function.
Code:
#!/bin/bash
modem=/dev/ttyUSB3
file=/home/giuseppe/Desktop/SCRIPTMODEM/imsi.txt

# print error to stderr and exit unsuccessfully
die() {
    echo "$@" >&2
    exit 1
}

# chat helper. try everything twice.
send_expect() {
    chat -V ABORT ERROR '' "$@" '' || chat -V ABORT ERROR '' "$@" ''
}

# keep modem open, so CD doesn't go low and drop connection
# move terminal to FD3 to avoid redirects on everything else ...
exec 3<&1 >"$modem" <"$modem"

# setup modem options ...
stty 115200

if ! [ -e "$modem" ]; then
    die 'Modem not connected'
fi

if ! send_expect 'AT+CREG?' '+CREG: 0,1'; then
    die 'Modem not registered'
fi

if ! send_expect 'AT!PADSETUP=1,2,82.91.28.127,0,9940,0,1' 'OK'; then
    die 'M2M connection failed'
fi

if ! send_expect 'AT+CGDCONT=1,"IP","web.omnitel.it"' 'OK'; then
    die 'APN setup failed'
fi

if ! send_expect 'AT!PADCONN=1' 'CONNECT'; then
    die 'Unable to open socket'
fi

cat "$file"

# give user idea of success
echo "done" >&3

Quote:
Originally Posted by enaud
you can write complete script pls?
thanks
Totally don't learn anything this way. Smilie you NEED to learn scripting so you can make modifications. such as adding a timeout in the chat command.. adding options to stty to better setup the modem ... changing the APN or M2M destination... etc.

edit: or condensing it and understanding whether you want to, like
Code:
[ -e "$modem" ] || die 'Modem not connected'
send_expect 'AT+CREG?' '+CREG: 0,1' || die 'Modem not registered'
send_expect 'AT!PADSETUP=1,2,82.91.28.127,0,9940,0,1' 'OK' || die 'M2M connection failed'
send_expect 'AT+CGDCONT=1,"IP","web.omnitel.it"' 'OK' || die 'APN setup failed'
send_expect 'AT!PADCONN=1' 'CONNECT' || die 'Unable to open socket'

Smilie
Last edited by neutronscott; 04-23-2012 at 03:23 PM.. Reason: fixed chat options and arguments!
These 2 Users Gave Thanks to neutronscott For This Post:
Corona688 enaud
# 40  
Old 04-23-2012
Quote:
Originally Posted by enaud
Hi Corona
I've tested your script with boud rate 9600 but i have this answer:

Bad response
Response was ''

Bad response
Response was ''

I should be OK because i send AT for 2 times..

For you what is the problem?
I really don't know and can't tell from here. You may have to keep fiddling with stty until communication with the modem is established. I don't even know if your modem responds quite like mine does. Perhaps 'chat' will work better for you, as well.
Last edited by Corona688; 04-23-2012 at 02:36 PM..
This User Gave Thanks to Corona688 For This Post:
enaud
# 41  
Old 04-23-2012
Quote:
Originally Posted by Corona688
I really don't know and can't tell from here. You may have to keep fiddling with stty until communication with the modem is established. I don't even know if your modem responds quite like mine does. Perhaps 'chat' will work better for you, as well.
ok thanks Smilie

---------- Post updated at 01:00 PM ---------- Previous update was at 12:57 PM ----------

Quote:
Originally Posted by neutronscott
Code:
#!/bin/bash
modem=/dev/ttyUSB3
file=/home/giuseppe/Desktop/SCRIPTMODEM/imsi.txt

# print error to stderr and exit unsuccessfully
die() {
    echo "$@" >&2
    exit 1
}

# chat helper. try everything twice.
send_expect() {
    chat -v -f 'ABORT ERROR' '' "$@" '' || chat -v -f 'ABORT ERROR' '' "$@" ''
}

# keep modem open, so CD doesn't go low and drop connection
# move terminal to FD3 to avoid redirects on everything else ...
exec 3<&1 >"$modem" <"$modem"

# setup modem options ...
stty 115200

if ! [ -e "$modem" ]; then
    die 'Modem not connected'
fi

if ! send_expect 'AT+CREG?' '+CREG: 0,1'; then
    die 'Modem not registered'
fi

if ! send_expect 'AT!PADSETUP=1,2,82.91.28.127,0,9940,0,1' 'OK'; then
    die 'M2M connection failed'
fi

if ! send_expect 'AT+CGDCONT=1,"IP","web.omnitel.it"' 'OK'; then
    die 'APN setup failed'
fi

if ! send_expect 'AT!PADCONN=1' 'CONNECT'; then
    die 'Unable to open socket'
fi

cat "$file"

# give user idea of success
echo "done" >&3

Totally don't learn anything this way. Smilie you NEED to learn scripting so you can make modifications. such as adding a timeout in the chat command.. adding options to stty to better setup the modem ... changing the APN or M2M destination... etc.

edit: or condensing it and understanding whether you want to, like
Code:
[ -e "$modem" ] || die 'Modem not connected'
send_expect 'AT+CREG?' '+CREG: 0,1' || die 'Modem not registered'
send_expect 'AT!PADSETUP=1,2,82.91.28.127,0,9940,0,1' 'OK' || die 'M2M connection failed'
send_expect 'AT+CGDCONT=1,"IP","web.omnitel.it"' 'OK' || die 'APN setup failed'
send_expect 'AT!PADCONN=1' 'CONNECT' || die 'Unable to open socket'

Smilie
Thanks You are very kind and very good..
i've doing this and with stty 115200 i have error on stty but if i put stty 9600 i have this error:

Code:
giuseppe@ubuntu:~/Scrivania/SCRIPTMODEM$ ./modem2.sh
Usage: chat [-e] [-E] [-v] [-V] [-t timeout] [-r report-file]
     [-T phone-number] [-U phone-number2] {-f chat-file | chat-script}
Usage: chat [-e] [-E] [-v] [-V] [-t timeout] [-r report-file]
     [-T phone-number] [-U phone-number2] {-f chat-file | chat-script}
Modem not registered

i've also put stty 9600 -clocal cs8 -parenb -cstopb for to have 8n1 but why i cant put 115200?

for timeout I insert sleep (2) for example but where in your script? Perphas:

if ! send_expect 'AT+CGDCONT=1,"IP","web.omnitel.it"' 'OK' sleep(2); then
die 'APN setup failed'
fi

is right?
thanks
# 42  
Old 04-23-2012
You've been asking over and over about the stty error. We cannot know, we don't have this driver. It's very possible you cannot change the baud rate. Just forget that for now if it works.

The chat error is that I accidently copied the wrong line. Remove the -f and change the -v to -V like we had before.
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