File content as of revision 0:2e70b895129c:

#include "mbed.h"
#include "TextLCD.h"
//leemos el can a 500 kb/s y lo enviamos por el usb

DigitalOut led1(LED1);
DigitalOut led2(LED2);
DigitalOut led3(LED3);
DigitalOut led4(LED4);
Serial pc(USBTX, USBRX); // tx, rx
CAN can2(p30,p29);
CANMessage can_MsgRx;

TextLCD lcd(p18,p19,p20,p17,p16,p15,p14); 
static  char error=0;
int main() {
char buffer[20];
 int engine_data;
 //float
 lcd.locate(0,0);
    lcd.printf("C3 PICASSO v2");
    
    lcd.locate(0,1);
    lcd.printf("RICARDO GUILLEN");
       
   
    
    wait(3);
    lcd.cls();

    //inicializamos el can a 500kb/s
    can2.frequency(500000);

    //bulce principal
    while (1) {
    
        if (can2.read(can_MsgRx)) {
        
        
        
        
        
         switch(can_MsgRx.id){
            case 0x208:
            //engine_data =  ((can_MsgRx.data[0]*256) + can_MsgRx.data[1])/4;
            // sprintf(buffer,"%d rpm ",(int) engine_data);
            // sprintf(buffer,"%d rpm ",can_MsgRx.id);
            //unsigned long a=array[0]|(array[1]<<8);
           /* engine_data=(can_MsgRx.data[0]|(can_MsgRx.data[1]<<8)/10);
            lcd.locate(0,0);
            lcd.printf(buffer);
            lcd.printf("%d rpm %x%x ",(int) engine_data,can_MsgRx.data[0],can_MsgRx.data[1]);
            */
            
            //(s[ 0 ] << 8) +s[ 1 ]
           /* engine_data=(can_MsgRx.data[0]<<8 + (can_MsgRx.data[1])/10);
            sprintf(buffer,"0000%x%x",can_MsgRx.data[0],can_MsgRx.data[1]);
            lcd.locate(0,0);
            // lcd.printf(buffer);
            lcd.printf("%d rpm %x%x %s",(int) engine_data,can_MsgRx.data[0],can_MsgRx.data[1],buffer);*/
            
            unsigned char b[4];
            b[0]=0x00;
            b[1]=0x00;
            b[2]=can_MsgRx.data[0];
            b[3]=can_MsgRx.data[1];
           int valor= (b[0] << 24) + ((b[1] & 0xFF) << 16)+ ((b[2] & 0xFF) << 8)+ (b[3] & 0xFF);
           lcd.locate(0,0);
            // lcd.printf(buffer);
            lcd.printf("%d rpm ", (valor/10));
           
            
             break;
            //default:
            //lcd.locate(0,1);
            //lcd.printf("default:%x",can_MsgRx.id);
            }
                
           // pc.printf("id: 0x%x data:", can_MsgRx.id);
           pc.printf("%x,",can_MsgRx.id);
            for (char i=0; i<can_MsgRx.len; i++) {
            if(i==can_MsgRx.len-1){
                    pc.printf("%x", can_MsgRx.data[i]);
            }else{
                        pc.printf("%x,", can_MsgRx.data[i]);
                      
            }
            }
            pc.printf("\n\r");
            // mensaje ok, 
           // led3 = !led3;
            led3=1;
            led4=0;
            
           
            
           
            
            
            
            
            
            
           
            
            
        
        }else{
            if(error==254){
              // pc.printf("Errores: %x last: %x \n\r",error, can2.rderror()); 
               error=0;            
           }
                   
             error++;
            // led4 = !led4;
             led4=1;
             led3=0;
        
        }
    }
   
}