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Topic: Trouble attaching GPRS (hangs) (Read 2 times) previous topic - next topic

masp

Hello!

I'm having some trouble running the "gprs.attachGPRS(GPRS_APN, GPRS_LOGIN, GPRS_PASSWORD)" function.

The GSM works fine, sent some SMS everything went as expected.

The problem is that when I try to attach to GPRS with my APN the comand hangs and never leaves this state.

By placing Degub outputs on this funcion, I've managed to track the command that blocks the message.

In the "GSM3ShieldV1DataNetworkProvider.cpp" file,
in function : void GSM3ShieldV1DataNetworkProvider::attachGPRSContinue()
The command: theGSM3ShieldV1ModemCore.print('\r');

No Error message, just blocks in this function.

Any solutions?  By the way, what is the functionality of the "power button" in the shield? Nothing seems to happen when i press it.

I'm running the shield on top of Arduino UNO with 12V/1A power supply.


Thank you very much

MathiasVDA

I'm not sure if it's related but try placing a delay between entering the PIN and attaching gprs. Don't try to do them together as I found out here:
http://forum.arduino.cc/index.php?topic=173860.0

As for your second question, by press and holding the button for a couple of seconds, you turn off/on the shield

masp


I'm not sure if it's related but try placing a delay between entering the PIN and attaching gprs. Don't try to do them together as I found out here:
http://forum.arduino.cc/index.php?topic=173860.0

As for your second question, by press and holding the button for a couple of seconds, you turn off/on the shield


It Worked! :D

Thank you very much!

They should solve this issue.


MathiasVDA


They should solve this issue.


I couldn't agree more! I already reported it but haven't yet received a response

musterstrasse

dear both,
wooho! i was experiencing the same issue.
the delay solved mine, too.
i can live with that workaround.
thanks!

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