Gsm + Mp3

Projects Programming
1

Hi Guys,

Im working in a GSM / MP3 System. My arduino will call a number and when a person answer the call, a mp3 song message will play.

Im using 2 shields, a GSM Shield Sim900 and a MP3 Shield from Sparkfun. The 2 Shields separately works normaly, the Gsm make a call and the other play a song. when i put the two together any of then works. I think is a pin mistake but im not so good with classes and i cant find where i change the pins or witch pin the shield use. I note that mp3 keep reseting the coding too i dont know why.. :frowning:

Can anyone help me with this? I attach my codes and some photos, i use the arduino UNO, the "MP3_library" has to be put in arduino library and "GSM_MP3_code" anywhere.

Thanks

Codes.zip (457 KB)

2

Links to the shields would be more useful that pictures of the shields.

3

sorry!
Here it is!

MP3

GSM
http://iteadstudio.com/store/index.php?main_page=product_info&cPath=18&products_id=413

XD

4

The VS1053 receives its input bitstream through a serial input bus (SPI).

So, that means pins 11, 12, and 13, and a slave select pin.

You can use the jumper to connect the TXD and RXD pins on SIM to any pins of Arduino D0 – D7.

I can't see where you have the jumpers, so which pins you are using isn't clear.

There is a com switch for selecting the communicate port to UART port or Debug port of SIM900 module as the following figure 7.

I can't see how the switch is set.

There is a Jumper for configuration of RI, one to connect D2, another to connect D14.

Again, I can't see how the jumper is positioned.

5

I can't see where you have the jumpers, so which pins you are using isn't clear.

On GSM im using the jumpers TXD and RXD on 4 and 5 as you can see in this picture.

So, that means pins 11, 12, and 13, and a slave select pin.

I need to change this pins?

IMG_0088.JPG
IMG_0088.JPG480×640 61.4 KB

6

I need to change this pins?

No. And, in fact, you can't. Except, maybe, the slave select pin. What pin are you using for the slave select pin?

7

No. And, in fact, you can't. Except, maybe, the slave select pin. What pin are you using for the slave select pin?

I dont know what pin is that... :confused:

8

I dont know what pin is that... :confused:

And I don't know what your sketch looks like, so we're even.

9

Thanks Lipe for the useful links..