File content as of revision 14:ff9c77b97bad:

#include "mbed.h"
#include "CAN.h"

  //  const unsigned int TX_ID = 0x101;
      const unsigned int TX_ID = 0x155;  //em binario: 101010101

DigitalOut      led(PA_5);
int             ledState;
CAN             can1(PA_11, PA_12);  // CAN Rx pin name, CAN Tx pin name
CAN             can2(PB_12, PB_13);  // CAN Rx pin name, CAN Tx pin name
CANMessage      txMsg;
CANMessage      rxMsg;
int             counter = 0;

Serial pc(SERIAL_TX, SERIAL_RX);

int main() {
    can1.frequency(100000);                     // set bit rate to 1Mbps
        can2.frequency(100000);                     // set bit rate to 1Mbps
    led = 1;       // turn LED on
    pc.printf("pcprintf check");

    while(1) {
            wait(10);

            counter++;                          // increment counter
           // ledState = led.read();              // get led state
           ledState = 1;
           txMsg.clear();                      // clear Tx message storage
           txMsg.id = TX_ID;                   // set ID   (9 bits)
           txMsg << counter;                   // append first data item  (32? bits?=4bytes)
           txMsg << ledState;                  // append second data item (total data lenght must be <= 8 bytes!) (=4bytes)
            
            
            can1.write(txMsg);
         //   if(can1.write(txMsg))                // transmit message
         //       led = 1;       // turn LED on 
         //   else
         //       led = 0;       // turn LED off
         
         if(can2.read(rxMsg)) {
           // pc.printf("Message received: %d\n", rxMsg.data[0]);
           pc.printf("Message received: %d\n");
            led = !led;
        } 
         

    }
}