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  Topic: Problem sending command from 16F877 to GPRS modem
WildLife

Replies: 2
Views: 4740

PostForum: General CCS C Discussion   Posted: Thu Jun 09, 2011 8:59 am   Subject: Problem sending command from 16F877 to GPRS modem
fprintf(GPRS,"AT\n");

Your final character is a newline, but the modem expects a carriage
return, which is a \r.

That might have saved me some hassle in the future, but still it isn ...
  Topic: Problem sending command from 16F877 to GPRS modem
WildLife

Replies: 2
Views: 4740

PostForum: General CCS C Discussion   Posted: Wed Jun 08, 2011 8:21 pm   Subject: Problem sending command from 16F877 to GPRS modem
Hi guys, first post here Smile

I'm trying to communicate my 16F877 with a GPRS modem (ADH8066 with the evaluation board from sparkfun).

I'm using the following code:


#include <16F877A.h> ...
 
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