I've buy a Raspberry PI SIM900 GSM/GPRS Add ON.
I'm trying to use the provided Library_Raspberry_SIM900 just to Send an SMS.
I really don't understand !? Your board seems to be fine but the library your provide to use it is full of bugs !?
I've finally managed to send a SMS but i had to modiy lots of code in the library. For instance, the part that sends the sms body was commented in the SendSMS() function !!!!? The code did a Sigsegv when i began to use it due to a huge mistake in the ChangeIToS() function !!?
Is there another library somwhere ? May be the one i donwloaded was beta release ?
Thanks in advance.
Our Segnix Project provides a library for SIM900 GSM/GPRS Add-on. It has full support for SMS funcitons.
You can download it at https://github.com/itead/Segnix .
Hell, I have installed the Segnix library, as you have indicated but there is no way to use it.
I have 2 questions for itead :
1° why do you not change the documentation link in your product page (https://www.itead.cc/wireless/gsm-gprs-and-wifi/raspberry-pi-sim800-gsm-gprs-add-on-v2-0.html) : people waste time with wrong documentation
2° is this so difficult to explain REALLY how to use the segnix library for the GSM shield for people using raspberry
I"m sure that the product (the shield) and the software (the segnix library) are good products but I can use them because lack of explanations...
We bought a set of Gboards to make a prototype.
We are trying to activate the SIM900 module coping exactly the tutorial in your site but we are not succeeding.
We downloaded the libraries, we installed one of the exapmples to use serial console to comunicate with the SIM900 vía AT commands.
But the SIM900 is not responding.
What do you recomend to do?
We wrote to firstname.lastname@example.org last Friday. Please respond me as soon as possible.
Many thanks in advance,
Follow the directions here to use the serial port:
There's a command to set the baud rate, you should not need it but try it if there's an issue.
Let us know. Also, take a pic of how you inserted your sim card if you do get it working.