Sim800 interupt for ussd

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Jeff the great
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Posted by Jeff the great: Thu. Jul 28, 2022 - 08:06 PM
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I am trying to execute some USSD commands with sim800 and store the result.
I need to enable `ring` interupt for USSD commands just like calls and sms.

Here is my Sim800 code for using ussd:

   

AT+CUSD=1,"[some ussd]",15

 Please note that my code works fine without the ring interupt but I need a way to it with interupts.

Thanks
 

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Tools, Compilers and General Programming
Last Edited: Fri. Jul 29, 2022 - 01:08 AM
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Bronze Markjs
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Posted by js: Thu. Jul 28, 2022 - 10:00 PM
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Has this anything to do with AVRs?? Can you divulge more information?

John Samperi

Ampertronics Pty. Ltd.

https://www.ampertronics.com.au

* Electronic Design * Custom Products * Contract Assembly

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Jeff the great
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Posted by Jeff the great: Fri. Jul 29, 2022 - 10:52 AM (Reply to #2)
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I misplaced the post.

I am truely new here and probably did it the wrong way.

Thanks for your response 

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ccrause
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Posted by ccrause: Sun. Jul 31, 2022 - 01:35 PM
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Jeff the great wrote:

I need to enable `ring` interupt for USSD commands just like calls and sms.

Perhaps this can be enabled with the AT+CFGRI=1 command (untested), since the hardware manual states that certain unsolicited result codes can be signaled via the ring indicator pin. Not sure which URCs will trigger the RI pin...

 

PS: perhaps this belongs to the 'General Electronics" sub forum?

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Jeff the great
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Posted by Jeff the great: Wed. Aug 3, 2022 - 08:41 AM (Reply to #4)
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Thanks a lot.

I will test it today.

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Jeff the great
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Posted by Jeff the great: Wed. Aug 3, 2022 - 08:50 PM (Reply to #4)
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I tried AT+CFGRI=1 as u suggested. It's still not working. I looked into the datasheet for URCs and didn't find anything related to USSD commands. 

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