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Are you using an Arduino Mega to do this? Because the Arduino Uno supports only
2 pin for interrupts and each SoftSerial uses 2 interrupts pin.
Original comment by martines...@gmail.com
on 5 Apr 2012 at 3:05
Original comment by martines...@gmail.com
on 23 Apr 2012 at 6:04
Sorry for replying this late. I am using Arduino Uno.
The problem is I cannot use the gsm library if I have another device also use
soft serial.
Original comment by luruoz...@gmail.com
on 23 Apr 2012 at 7:06
No prob ;) However it's normal, you cannot use more then one SoftwareSerial on
Uno. Because SoftwareSerial uses pins (two, RX and TX) that support change
interrupt. Unfortunately Arduino Uno has only two pins that support change
interrupt.
Original comment by martines...@gmail.com
on 23 Apr 2012 at 7:29
Are you sure? While I believe I can use more than one SoftwareSerial on Uno.
For example, I use Digital Pin 7 and 8 with SIM900 and Pin 5 and 6 with Xbee,
and I use .listen() to active SIM900 or Xbee. It is just I cannot use your
library, I just use AT Command.
You can see the description of SoftwareSerial here
http://arduiniana.org/libraries/newsoftserial/
Original comment by luruoz...@gmail.com
on 23 Apr 2012 at 7:45
luruoz did you get any success. I am having the exact same problem. I have
Arduino uno r3 along with GPRS shield. But I couldn't find any solution yet.
Martiens can you offer some other way to overcome this problem? Guys let us
know...
Original comment by mail4ha...@gmail.com
on 1 Nov 2012 at 9:44
I did not make it work. I have to use the AT Command. I would like to use the
gsm library, it is simple and nice, but it did not let me to use multiple
SoftwareSerial. I have not played with the library since Apr, I don't know if
they update or not.
Original comment by luruoz...@gmail.com
on 1 Nov 2012 at 10:03
Hi guys, I've the same problem.. i want communicate with a GPS module and GSM
shield , i can obtain the sentences from the GPS module and send and receive
SMS properly, but i can't make it work together!.. Any news on this issue?
Original comment by frithmat...@gmail.com
on 31 Dec 2012 at 9:38
This issue section is not longer supported.
Please check the support page www.gsmlib.org
Original comment by martines...@gmail.com
on 6 Jul 2013 at 11:27
Original issue reported on code.google.com by
luruoz...@gmail.com
on 4 Apr 2012 at 4:26