sim900 library - problems with the arduino mega

Projects Programming
1

Hi all

I'm using the arduino mega with a sim900 device (specifically this device here: linksprite)

I've modified the library so that it's using the mega's Serial ports and it works fine as long as SoftwareSerial is still included (which it shouldn't need?). When I comment it out I get these errors:

In file included from C:\Program Files (x86)\Arduino\libraries\GSMSHIELD_TDG/GSM.h:9,
                 from C:\Program Files (x86)\Arduino\libraries\GSMSHIELD_TDG/SIM900.h:5,
                 from GSM_GPRSLibrary_SMS.ino:1:
C:\Program Files (x86)\Arduino\libraries\GSMSHIELD_TDG/WideTextFinder.h:11: error: ISO C++ forbids declaration of 'SoftwareSerial' with no type
C:\Program Files (x86)\Arduino\libraries\GSMSHIELD_TDG/WideTextFinder.h:11: error: expected ';' before '*' token
C:\Program Files (x86)\Arduino\libraries\GSMSHIELD_TDG/WideTextFinder.h:22: error: expected `)' before '&' token

I know this has been raised before here: Troubles with SoftwareSerial and the mega2560 - Programming Questions - Arduino Forum but I don't think an answer was found.

Anyone got any ideas?

Thanks

2

which it shouldn't need?

Well, clearly it does.

I've modified the library so that it's using the mega's Serial ports

Clearly not completely.

3

Well, yes but it shouldn't if the library is properly configured.

4

sbaratheon:
Well, yes but it shouldn't if the library is properly configured.

I don't know what you mean by "properly configured". I don't know what changes you made to the library. Therefore, I can't help you.

5

Well, I just used #define mega on line 5 here: GSM-GPRS-GPS-Shield/GSM.h at GSMSHIELD · MarcoMartines/GSM-GPRS-GPS-Shield · GitHub

6

sbaratheon:
Well, I just used #define mega on line 5 here: GSM-GPRS-GPS-Shield/GSM.h at GSMSHIELD · MarcoMartines/GSM-GPRS-GPS-Shield · GitHub

Did you comment out the #define UNO on line 4?

7

Yes.

The unit is working fine using hardware serial but I don't understand why it won't compile without softwareserial. I think there may be some kind of bug with the library.

9

The error message is in my OP.

The actual code is a huge number of .cpp and .h files as a library so hard to post really.

11

The include and declarations are in WideTextFinder.h.