File content as of revision 2:41c5047f946f:

//automobilina pilotata dai comandi bluetooth
#include "mbed.h"
#include "SoftSerial.h"

Serial pc(USBTX,USBRX); 

DigitalOut aa(D5);
DigitalOut ab(D6);
DigitalOut ba(D9);
DigitalOut bb(D10);

SoftSerial bt(D2,D3);  //TX RX
char receive;
float vel;

int main() 
{
   while(1) 
   {
        if (bt.readable()>0)
        {
            
            if(receive=='1'){
                bt.printf("ciao");
                aa=0;
                ab=1;
                ba=0;
                bb=1;
                }
                if(receive=='2'){
                aa=1;
                ab=0;
                ba=1;
                bb=0;
                }
                 if(receive=='0'){
                aa=0;
                ab=0;
                ba=0;
                bb=0;
                }
                if(receive=='3'){
                
                aa=0;
                ab=0;
                ba=0;
                bb=1;
                }
                if(receive=='4'){
                
                aa=0;
                ab=0;
                ba=1;
                bb=0;
                }
                if(receive=='5'){
                
                aa=0;
                ab=1;
                ba=0;
                bb=0;
                }
                if(receive=='6'){
                
                aa=1;
                ab=0;
                ba=0;
                bb=0;
                }
                
        } 
        
    }
}